1.0 A Detailed Overview of Daikin VRV.pptx

3
Daikin Corporate Profile
 DAIKIN is the only one company which produces air-conditioner,
compressor and refrigerant in the world.
Air-conditioner
Compressor Refrigerant

4
JAPAN
Rinkai Factory,
Sakai Plant
Shiga Plant
Kanaoka Factory,
Sakai Plant
Yodogawa Plant
Daikin Industries Head Office
Daikin Group Global Production Base

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Others
◆ Abbar & Zainy Daikin Air-conditioning (1986)
◆ Daikin Airconditioning South Africa Pty. Ltd. (1998)
◆ Daikin Airconditioning India Private Limited (2004)
North America
● Daikin U.S. Corporation (1981)
◆ Daikin Airconditioning (Americas), Inc. (2005)
South America
◆ Daikin Airconditioning Argentina S.A. (2001)
Asia/Pacific region
◆ Daikin Australia Pty. Ltd. (1969)
◆ Daikin (Singapore) Pte. Ltd. (1980)
◆ Siam Daikin Sales Co., Ltd. (1982)
■ Daikin Air-conditioning (Thailand) Co., Ltd. (1987)
■ Daikin Industries (Thailand) Ltd. (1990)
◆ Daikin (Malaysia) Sdn. Bhd. (1996)
● Daikin Asia Servicing Pte. Ltd. (1997)
● Daikin Trading (Thailand) Ltd. (1997)
■◆ Daikin-Alen Airconditioning, Inc. (1998)
■ Daikin Compressor Industries Ltd. (2001)
◆ Daikin Air Conditioning (Singapore) Pte. Ltd. (2002)
■ OYL Manufacturing Company Sdn Bhd (2006)
■ Production sites
◆ Sales bases
● Other operation
bases
China
◆ Daikin Airconditioning (Hong Kong) Ltd. (1984)
■◆ Shanghai Daikin Air-Conditioning Co., Ltd. (1995)
■◆ Huizhou Daikin Air-Conditioning Co., Ltd. (1997)
■◆ Xi’an Daikin Qingan Compressor Co., Ltd. (1998)
■ Daikin Air Conditioning Systems (Shanghai) Co., Ltd. (2004)
■ Daikin Central Air Conditioning (Shanghai) Co., Ltd. (2004)
■ Daikin Device (Suzhou) Co., Ltd. is established in China(2004)
■ Daikin Motor Suzhou Co., Ltd. (2004)
■ Daikin Central Air Conditioning (Huizhou) Co., Ltd. (2005)
Europe
■◆ Daikin Europe N.V. (1972)
◆ Daikin Airconditioning Belgium N.V. (1982)
◆ Daikin Airconditioning France S.A.S. (1992)
◆ Daikin Airconditioning Germany GmbH (1998)
◆ Daikin Airconditioning Central Europe GmbH (1999)
◆ Daikin AC Spain S.L. (2000)
◆ Daikin Airconditioning Poland Sp. z.o.o. (2001)
◆ Daikin Airconditioning Italy SpA (2002)
◆ Daikin Airconditioning UK Ltd.(2003)
■ Daikin Industries Czech republic s.r.o. (2003)
◆ Daikin Airconditioning Portugal S. A. (2004)
■ Daikin Device Czech Republic s.r.o. (2005)
◆ Daikin Airconditioning Greece S. A. (2006)
Global Network

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Europe
Daikin bases (AC) O.Y.L. bases
Daikin Europe N.V.
(Belgium) Daikin Industries Czech Republic i.e..
Daikin Device Czech Republic i.e..
McQuay, Caching (Italy)

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Asia/Oceania
Daikin bases (AC) O.Y.L. bases
Daikin Air-conditioning
(Shanghai) Co., Ltd.
Daikin Industries
(Thailand) Ltd. (Factory)
O.Y.L. Manufacturing
Company Sdn Bhd
(Malaysia)
McQuay, Shenzhen

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North America
O.Y.L. bases
McQuay, Auburn
McQuay, Faribault McQuay, Owatonna
McQuay, Staunton

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FY2013
Total 209 subsidiaries
Total 56,240 employees
Our Operation

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Our Business
Air-conditioning
& related
Chemicals
Other
US$17.5
billion
89%
8%
3
%
FY2013

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Our Business (by Region)
FY2013
18%
14%
23% 27%
18%
Japan
Europe,
Middle East
& Africa
China
Asia &
Oceania
Americas
US$17.5
billion
Overseas business ratio = 73%

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Our Product
AHU
Ducted Type
Outdoor Unit Gas Furnace
A-shaped Coil
Unitary AC
Residential AC
Air Purifier Hot Water Heating
Control system
Water Cooled Chiller
Air Handling Unit
Centrifugal Chiller
Fan Coil Unit
Air Cooled Chiller
Applied AC
AC for facility
AC for Small Shop and Office Rooftop Type ACs
VRV
Ceiling Ducted Type
Ceiling Cassette Type
Ceiling
Suspended
Type
Humidity-control
Ventilation System
Outdoor Unit
Heat Recovery
Ventilation
Commercial Industrial
Residential

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Commercial market - Global (Source: BSRIA)
Chiller+AHU/FCU VRV/VRF
Market
(x
million
US$)
28%
37%
72%
63%

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Commercial market - Malaysia (Source: BSRIA)
Market
(x
million
US$)
28%
40%
72%
60%

15
Market
(x
million
US$)
48%
69%
52%
31%
Commercial market - China (Source: BSRIA)

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Commercial market – Asia Pacific (Source: BSRIA)
Market
(x
million
US$)
58%
47%
42%
53%

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Commercial market – Japan (Source: JRAI)
1990 1995 2000 2005
350,000
35,000
300,000
30,000
250,000
25,000
200,000
20,000
150,000
15,000
100,000
10,000
50,000
5,000
0
0
2009
Fan coil unit
Chiller
Source : Japan Refrigeration & Air -conditioning Institute
Number
of
production
(Unit)
100,000
80,000
60,000
40,000
20,000
0
120,000
140,000
VRV
Number
of
production
(Unit)
Japan

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Daikin’s Multi Split & VRV in China
DAIKIN
Hisense-Hitachi
Toshiba
Mitsubishi Electric
Mitsubishi Heavy Industries
MHI-Haier
Midea
Gree
Haier
LG
York
SAMSUNG
Others

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Background of VRV development (1)
• 1973: 1st
Oil crisis
• Energy saving approaches ---
– Increase machine efficiency
• Centrifugal : >0.7 KW/ton
– Application approach
• VAV, VWV, Thermal storage
• Only for large buildings
– AC is not popular in small buildings & houses
VRV Development History

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• Recovery of economy
• High energy cost was accepted in the market
• Penetration of AC to small building & housing
• Energy consumption increase
• 1979: 2nd
Oil crisis

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• 1979 : Energy saving law
– Energy saving requirement for office building
– Large buildings already satisfied the requirement but not
small building
• Daikin started VRV development
• 1982 : Launching of VRV

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• How did VRF come to be?
– 1970’s: only boiler & chiller based solutions available for cooling
and heating
– Main difficulties:
• Very few technical space available in densely populated Japan
• During refurbishment difficulties to:
– split up project in different phases
– find necessary space to install water piping
– Reduction of energy consumption
(no natural energy sources, makes electricity expensive in Japan)
– No integration of A/C & controls & ventilation with existing solutions
Answer: Daikin invents the VRV®
, world’s FIRST VRF system
and installs it in 1982

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1982: VRV launched in Japan
1987: Oversea first VRV Sales
D Series
up to 5HP
up to 4 indoor units
1987
1990
G Series
up to 10HP
1995
H Series
up to 10HP
1996
K Series
up to 30HP
Inverter
Historical steps - 1

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Historical steps -2
2001
KA Series
up to 30HP
Up to 32 indoor units
K plus Series
up to 30HP
1997
2001
L Series
up to 30HP
R-407C

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Historical steps - 3
2003
up to 48 HP
2006
up to 54 HP
R-410A
R-410A

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Sales progress : 1 Beginning Stage
• Target : Office building & creating new market
• Penetrating into chiller market
• 1st
Phase : Project Sales
– By attacking building owners, architects and consultant and got
landmark projects
– Sales force : Daikin only
• 2nd
Phase : Daikin + Engineering Dealers
– As VRV was recognized in the market, Engineering Dealers with
design & contracting capability join
• Project size : Mainly, less than 2000 m2
VRV Sales Progress

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Sales progress : 2 Advanced stage
• Penetrating into large buildings
• Drastic sales vol. increase by Synergy Effect
– Sales force up : Daikin + Authorized ED
– Project size up: > 10000 m2
Turning point : VRV penetration ratio 30%
 Only Singapore & UK.
 Other market : > 10% = Big potential
VRV Sales Progress

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Sales progress : 3 Big Potentials
• Refurbishment
– Huge stock : Economy growth started late ’80
and its about time for refurbishment
• Large sized building < 20000 m2
– Centrifugal dominates market
– VRVIII & WC VRV have good chance
• High class condominium
– Emerging huge volume of upper middle class
market
– Steady growth
VRV Sales Progress

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VRV Penetration
10
%
20
%
30
%
Beginning stage
VRV is not
recognized in the
market Advanced stage
VRV is recognized in
the market, vol.
increase
Sales progress image
Small & Medium
office building new
construction
Big potentials
Refurbishment
Large building
Condominium
Sales
Vol.
VRV Sales Progress

32
VRV System is penetrating into Large-sized Buildings
-
Less than 7,000 m 2
1982
2000
Over 7,000 m 2
Floor
area
Central
52.4%
Package
27.7%
Combined
use
19.9%
Central
66.9%
Package
10.8%
Combined use
22.3%
Central
15.8% Package
57.1%
Combined
use
27.1%
Central
34.5%
Package
26.6%
Combined
use
38.9%
VRV
33.3%
VRV
14.4%
VRV
14.8%
VRV
17.5%
Building Air conditioning systems in Japan
VRV Sales Progress

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0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
05
95
90 00
In Japan
Overseas
VRV Sales in the World
Qty
sets
10 times
in
15 years
VRV Sales Progress

34
Daikin’s position, in
Japan, in the world
VRV Sales Progress

35
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
17.3
14.0
10.2
6.1
5.2
4.2
3.9
3.5
3.2
3.2
2.9
2.0
2.0
1.5
1.3
1.2
AC business global major players (including OEM)
Bil. US$
Electrolux
Gree
DAIKIN
Midea
Haier
Mitsubishi Electric
Hitachi
Panasonic
Fujitsu
Mitsubishi Heavy
Carrier
Trane
Lennox
Johnson Controls (York)
LG
Samsung
Notes)
1.Sales turnover includes residence & commercial
use air-conditioners, chiller, air-conditioning use
AHU, FCU. Note engineering business, air-purifier,
heating equipment and industry use AHU are not
included.
2.Value is estimated by Fuji Keizai.
3.1US$=97.6J, 1RMB=15.9J, 1KRW=0.09J,
1SEK=15.0J
4. OEM amount of DAIKIN < 1% of total
Resource:
Global consumer
electronics market
research 2015 by Fuji
Keizai
 As sales turnover, we are No.2 in global
market. However, huge turnover of
Chinese and Korean brands are mainly
supported by RA sales.
 In commercial & industrial AC market,
Daikin is holding outstanding position.
VRV Sales Progress

36
0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
17.3
14.0
10.2
12.4
14.0
7.7
Bil. US$
Gree
DAIKIN
Midea
Global top 3 without OEM business
No OEM business
We proud “Daikin”
brand
VRV Sales Progress

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4
8
%
22
%
13
%
8
%
6
% 5%
DAIKIN
ME
Hitachi
Toshiba
MHI Panasonic
126,000
units
VRV/VRF
DAIKIN
ME
Hitachi
Toshiba
MHI Panasonic
668,00
0
units
Light commercial PA
Daikin’s position in Japan
Keeping overwhelming No.1

38
Global AC Market Overview
and VRV Position
VRV Sales Progress

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Global Applied Market Trend 2005-2013
47
51
58
63
60
65
72 74 76
40
50
60
70
80
2005 2006 2007 2008 2009 2010 2011 2012 2013
Tri
US$
Year
Global GDP Growth
GDP growth
161%
10
26
1
9
0
10
20
30
40
2005 2013
Mil
TR
Year
Global Applied Market CH+VRV)
VRV growth
900% !
CH growth
260%
 Global applied market has been achieving higher growth
than GDP. (3.2 times in 8 years)
 Especially, VRV has been growing very quickly in 8 years.
 In 2005, VRV occupied only 10% of chiller system but it
jumped up to 35% in 2013.
VRV Sales Progress

40
Source: BSRIA World air conditioning, 2013
Total Quantity
1,117,648
units
Global VRV market in 2013
China
56 ％
Europe
12 ％
Asia Pacific
12 ％
Japan
11 ％
Middle East Asia
＆ Africa
3 ％
USA
2 ％
Other Americas
2 ％ India
2 ％
VRV Sales Progress

41
VRV (VRF) authorized by AHRI 1230
No longer “Special” but globally recognized
AC System
VRV Sales Progress

42
AHRI published data (in US)
COP (kW/kW)
Daikin is the Highest !
VRV Sales Progress

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VRV Penetration in Global Applied Market
(1000TR : 2013 estimated)
Nation/Region Applied
Market
VRV Market VRV/Applied
1 China 14,684 4,967 33.8%
2 Europe 5,572 975 17.5%
3 Other Asia 4,516 1,229 27.2%
4 North America 3,267 201 6.2%
5 Middle East 2,869 283 9.9%
6 Japan 2,159 965 44.7%
7 Latin America 1,693 200 11.8%
8 Others 534 121 22.8%
Total 35,297 8,943 25.3%
VRV Sales Progress

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Global AC Market Structure image
0
0.5
1
1.5
100 1000 10000
Grade
Upper
Middle
Residential
Bldg.
Size
Floor area : m2
Residence
market,
conditioned
by RA
Light
commercial
market,
conditioned
by Split/ PAC
Large sized
office/hotel/
commercial
complex
conditioned by
Chiller/VRV
ＴＡＲＧＥ
Ｔ！
VRV Sales Progress

45
Malaysia VRV Market
VRV Sales Progress

46
Malaysia A/C Market
Residential/Light
commercial market
Residences/Shops/Small offices
RA/Split AC/PAC
428 Mil US$
Applied market
Skyscrapers/Hotels
Chiller/VRV
146 Mil US$
Current GA coverage
New Frontier !
Huge !
VRV Sales Progress

47
New approach for the frontier
Separated from Residential/Light commercial market, Applied market is
in another category and unique approach is indispensable.
RA/PAC Applied/ VRV
Building type Residence/shop/
restaurants/small Offices
Large office
buildings/Hotels/hospitals
Building size Up to 1000m2 1000 to 100,000 m2
Budget / m2 Low - Middle Middle – high
Function Simple/low grade Complicate/high grade
Decision maker Individual owners Developers/consultants
Sales channel Dealer network Consultants/contractors
Way of sales Dealer development
and incentive
Project oriented consulting
sales
VRV Sales Progress

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77%
11%
7%
5%
Malaysia : Applied + VRV Market (2013)
 Applied System occupies majority,
VRV is still minor position in the
market.
 Total VRV (MHI + Daikin+ Others)
occupies only 23%
 VRV sales has been chosen as the
alternative for Applied System
(Chiller + AHU/FCU)
 VRV sales is not zero-sum battle in
closed market but demand creating
business in the new frontier.
Applied
MHI
Daikin
Others
Total : 146 Mil US$
Source :: BSRIA
VRV Sales Progress

49
VRV usage : Total Asia - Malaysia
0%
10%
20%
30%
40%
50%
60%
70%
Asia
Malaysia  Office use occupies majority and residence follows.
 Originally, VRV had been developed for targeting
office building market. Recently, as the income
growth, high class condominium market is growing
very rapidly, and 23% of VRV is used for this market.
 VRV residence use is rather low in Malaysia. This
is one of future potential target.
VRV Sales Progress

50
Unique requirements
for VRV sales
VRV Sales Progress

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1. Expert target customers
 Promoting VRV to the engineers and the owners
 How can we convince these expert decision
makers and spec-in Daikin VRV to their projects?
Two challenges
 Speaking of VRV, it has 4 types (air cooled, water cooled, S type and Q
type), 63 outdoor unit models, 107 indoor unit models and many
control options matching for matching various applications and
requirements.
 We have also 7 kinds of Technical support software to assist air
conditioning design.
 According to the customer’s requests, project by project, optimum
design and model selections have to be done.
2. Higher technical level
Qualified and dedicated specialists are indispensable.
VRV Sales Progress

52
CPU in every indoor unit achieves accurate temperature control
Comfort, Energy saving,
Individual air
conditioning system
Over 40%
Electricity cut
DX System simplicity with Chiller System Design Flexibility
Ref. piping
System Configuration
VRV Sales Progress

53
VRV System Documents
5 Technical documents
4 Catalogs
VRV -Q
Ⅲ
6pages
VRV-WⅢ
26 pages
VRV -S
Ⅲ
24 pages
VRVⅣ
96 pages
VRVⅣ
736 pages
VRV -S
Ⅲ
308 pages
VRV -Q
Ⅲ
148 pages
VRV-WⅢ
356 pages
Option
Handbook
832 pages
VRV Sales Progress

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 Controller : 5 models
 Interface board : 3 models
 Optional adaptor : 18 models
VRV Control System
VRV Sales Progress

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6 Technical documents
4 Catalogs
BACnet/LON Interface
8 pages
intelligent Touch Manager
16 pages
intelligent Touch
Controller
4pages
HA Interface
4 pages
intelligent Touch Manager
400 pages
intelligent Touch Controller
290 pages
LON Interface
100 pages
HA Interface
50 pages
DBACS
design guide
420 pages
BACnet Interface
200 pages
VRV Control System Documents
VRV Sales Progress

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These programs allow design engineers to design the projects.
Name Outline Description
DACCS-HK Load
calculation
Cooling/heating load calculation program which
covers over 50 cities allover the world.
Xpress VRV model
selection
VRV model selection program. It allows various
IDU/ODU combinations and indicated model list,
piping/control wiring diagram
DT-FLOW Analysis of
discharged air
behavior
3-D air flow simulation program. It shows temperature
and velocity of ODU discharged air for given building.
It is effective to study optimum location of ODU
DACCS-NIS ODU noise
calculation
According to the noise date of the model, it calculates
ODU noise reduction by distance.
DACCS-Ez-FLOW IDU noise
calculation
According to the noise data of the model, it calculates
IDU noise reduction by distance.
Energy-Calc PI
consumption
Annual VRV power consumption calculation. US
model only.
DACSS-RR CH-VRV PI
comparison
Chiller vs. VRV power consumption calculation
VRV Technical Support Software
VRV Sales Progress

57
Every project is unique and our customers are
professionals.
By using affluent models and options, our goal
is to deliver most comprehensive solution for
each project.
Daikin has qualified and detailed technical
assets as you found.
 Almost all technical details are published.
Provide tailor-made proposal for every project to
specify Daikin VRV in it.
Providing Professional Proposal
VRV Sales Progress

59
Heat Pump
Cooling Only
Product Line-up
8 basic module unit (6~20HP)
3 series line-up (65 models)
Hi-COP: 20 models (12~50HP)
Standard: 28 models (6~60HP)
Space saving: 17 models (18~50HP)
Performance
Best Balance
Cost Saving
 Strengthening the line-up by 3 series
 Outdoor Unit capacity expandable up to 60HP
※ Other combination pipe length is limited.
(actual pipe length 135m  165m, total pipe length 500m  1000m)

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Standard
Hi COP
Example : Three Options to choose for a 20HP Outdoor Unit
Saving-Space
• The new line-up combination is flexible
to meet installation challenges.
Product Line-up

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RX(Y)Q6TY1
RX(Y)Q8TY1
RX(Y)Q10TY1
RX(Y)Q12TY1
RX(Y)Q14TY1
RX(Y)Q16TY1
RX(Y)Q18TY1
RX(Y)Q20TY1
1657 x 930 x 765 mm 1657 x 1240 x 765 mm
Heat Pump
Cooling Only
Single Modules- RX(Y)Q-TY1
• Only two module sizes.

63
Hi COP 6 HP 8HP 10 HP 12HP 14 HP 16HP 18 HP
RX(Y)Q12THY1 x2
RX(Y)Q14THY1 x1 x1
RX(Y)Q16THY1 x2
RX(Y)Q18THY1 x3
RX(Y)Q20THY1 x2 x1
RX(Y)Q22THY1 x1 x2
RX(Y)Q24THY1 x3
RX(Y)Q26THY1 x2 x1
RX(Y)Q28THY1 x2 x1
RX(Y)Q30THY1 x1 x1 x1
RX(Y)Q32THY1 x1 x2
RX(Y)Q34THY1 x1 x1 x1
RX(Y)Q36THY1 x1 x2
RX(Y)Q38THY1 x2 x1
RX(Y)Q40THY1 x1 x2
RX(Y)Q42THY1 x3
RX(Y)Q44THY1 x2 x1
RX(Y)Q46THY1 x1 x2
RX(Y)Q48THY1 x3
RX(Y)Q50THY1 x2 x1
Best COP
Combination
Hi COP Series
• 20 models (12 – 50 HP)
• Two & Three Modules
RX(Y)Q-THY1

64
Standard 6 HP 8HP 10 HP 12HP 14 HP 16HP 18 HP 20 HP
RX(Y)Q6TY1 x1
RX(Y)Q8TY1 x1
RX(Y)Q10TY1 x1
RX(Y)Q12TY1 x1
RX(Y)Q14TY1 x1
RX(Y)Q16TY1 x1
RX(Y)Q18TNY1 x1 x1
RX(Y)Q20TNY1 x1 x1
RX(Y)Q22TNY1 x1 x1
RX(Y)Q24TNY1 x1 x1
RX(Y)Q26TNY1 x1 x1
RX(Y)Q28TNY1 x2
RX(Y)Q30TNY1 x1 x1
RX(Y)Q32TNY1 x1 x1
RX(Y)Q34TNY1 x1
RX(Y)Q36TNY1 x3
RX(Y)Q38TNY1 x1 x1 x1
RX(Y)Q40TNY1 x2 x1
RX(Y)Q44TNY1 x1 x2
RX(Y)Q46TNY1 x2 x1
RX(Y)Q50TNY1 x1 x2
RX(Y)Q52TNY1 x1 x2
RX(Y)Q54TNY1 x3
RX(Y)Q56TNY1 x2 x1
RX(Y)Q58TNY1 x1 x2
RX(Y)Q60TNY1 x3
Standard Series
Best Standard
Combination
RX(Y)Q-TNY1
• 28 models (6 – 60 HP)
• Single, Two & Three Modules

65
Space Saving 6HP 8HP 10HP 12HP 14HP 16HP 18HP 20HP
RX(Y)Q18TY1 x1
RX(Y)Q20TY1 x1
RX(Y)Q22TSY1 x1 x1
RX(Y)Q24TSY1 x2
RX(Y)Q26TSY1 x1 x1
RX(Y)Q28TSY1 x1 x1
RX(Y)Q30TSY1 x1 x1
RX(Y)Q32TSY1 x1 x1
RX(Y)Q34TSY1 x1 x1
RX(Y)Q36TSY1 x2
RX(Y)Q38TSY1 x1 x1
RX(Y)Q40TSY1 x2
RX(Y)Q42TSY1 x2 x1
RX(Y)Q44TSY1 x2 x1
RX(Y)Q46TSY1 x1 x1 x1
RX(Y)Q48TSY1 x1 x2
RX(Y)Q50TSY1 x1 x1 x1
Space Saving Series
Smallest Footprint
Combination
RX(Y)Q-TSY1
• 17 models (18– 50 HP)
• Single, Two & Three
Modules

66
Model
RXQ(Y)
6TY1
RXQ(Y)
8TY1
RXQ(Y)
10TY1
RXQ(Y)
12TY1
RXQ(Y)
14TY1
RXQ(Y)
16TY1
RXQ(Y)
18TY1
RXQ(Y)
20TY1
Outdoor unit
Image
(HxWxD)
Cooling
capacity
(kW)
16.0 22.4 28.0 33.5 40.0 45.0 50.0 56.0
Heating
capacity
(kW)
18.0 25.0 31.5 37.5 45.0 50.0 56.0 63.0
EER 4.41 4.3 3.84 3.72 3.67 3.46 3.25 3.11
COP 4.51 4.39 4.32 4.14 4.05 3.91 3.71 3.60
Max. number
of
connectable
indoor units
9 13 16 19 22 26 29 32
1,657x930x765 1,657x1,240x765
Supplement: Basic Module Unit

67
Model
RX(Y)Q
12THY1
RX(Y)Q
14THY1
RX(Y)Q
16THY1
RX(Y)Q
18THY1
RX(Y)Q
20THY1
RX(Y)Q
22THY1
RX(Y)Q
24THY1
Combination of
module unit
(HP)
6+6 6+8 8+8 6+6+6 6+6+8 6+8+8 8+8+8
Outdoor unit
Image
(HxWxD)
Cooling capacity
(kW)
32.0 38.4 44.8 48.0 54.4 60.8 67.2
Heating capacity
(kW)
36.0 43.0 50.0 54.0 61.0 68.0 75.0
EER 4.41 4.34 4.30 4.41 4.36 4.33 4.30
COP 4.51 4.44 4.39 4.51 4.46 4.42 4.39
Max. number of
connectable
indoor units
19 22 26 29 32 35 39
1,657x(930+20+930)x765 1,657x(930+20+930+20+930)x765
Supplement: Hi COP Series

68
RX(Y)Q
26THY1
RX(Y)Q
28THY1
RX(Y)Q
30THY1
RX(Y)Q
32THY1
RX(Y)Q
34THY1
RX(Y)Q
36THY1
RX(Y)Q
38THY1
Combination of
module
(HP)
8+8+10 8+8+12 8+10+12 8+12+12 8+12+14 8+14+14 12+12+14
Outdoor unit
Image
(HxWxD)
Cooling capacity
(kW)
72.8 78.3 83.9 89.4 95.9 102.4 107.0
Heating capacity
(kW)
81.5 87.5 94.0 100.0 108.0 115.0 120.0
EER 4.11 4.03 3.90 3.85 3.82 3.78 3.70
COP 4.37 4.28 4.26 4.20 4.16 4.12 4.11
Max. number of
connectable
indoor units
42 45 48 52 55 58 61
1,657x(930+20+930+20+930)x765
1,657x(930+20
+930+20+930)
x765
1,657x(930+20
+1240+20+1240)
x765
1,657x(930+20
+930+20+930)
x765

69
RX(Y)Q
40THY1
RX(Y)Q
42THY1
RX(Y)Q
44THY1
RX(Y)Q
46THY1
RX(Y)Q
48THY1
RX(Y)Q
50THY1
Combination of
module
(HP)
12+14+14 14+14+14 14+14+16 14+16+16 16+16+16 16+16+18
Outdoor unit
Image
(HxWxD)
Cooling capacity
(kW)
113.5 120.0 125.0 130.0 135.0 140.0
Heating capacity
(kW)
128.0 135.0 140.0 145.0 150.0 156.0
EER 3.70 3.67 3.59 3.52 3.46 3.38
COP 4.08 4.05 4.00 3.95 3.91 3.83
Max. number of
connectable
indoor units
64
1,657x
(930+20+1240+20+1240)x
765
1,657x(1240+20+1240+20+1240)x765

70
Model
RX (Y)Q
6TY1
RX (Y) Q
8TY1
RX (Y) Q
10TY1
RX (Y) Q
12TY1
RX (Y) Q
14TY1
RX (Y) Q
16TY1
RX (Y) Q
18TNY1
RX (Y) Q
20TNY1
Combination of
module
(HP)
6 8 10 12 14 16 8+10 8+12
Outdoor unit
Image
(HxWxD)
Cooling capacity
(kW)
16.0 22.4 28.0 33.5 40.0 45.0 50.4 55.9
Heating capacity
(kW)
18.0 25.0 31.5 37.5 45.0 50.0 56.5 62.5
EER 4.41 4.3 3.84 3.72 3.67 3.46 4.03 3.93
COP 4.51 4.39 4.32 4.14 4.05 3.91 4.35 4.24
Max. number of
connectable indoor
units
13 16 19 22 26 29 32
1,657x930x765 1,657x(930+20+930)x765
Supplement: Standard Series

71
Model
RX (Y) Q
22TNY1
RX (Y) Q
24TNY1
RX (Y) Q
26TNY1
RX (Y) Q
28TNY1
RX (Y) Q
30TNY1
RX (Y) Q
32TNY1
RX (Y) Q
34TNY1
RX (Y) Q
36TNY1
Combination of
module
(HP)
8+14 8+16 12+14 14+14 14+16 14+18 10+12+12 12+12+12
Outdoor unit image
(HxWxD)
Cooling capacity
(kW)
62.4 67.4 73.5 80.0 85.0 90.0 95.0 100.5
Heating capacity
(kW)
70.0 76.5 82.5 90.0 95.0 101.0 107.0 113.0
EER 3.87 3.74 3.69 3.67 3.56 3.42 3.75 3.74
COP 4.17 4.16 4.09 4.05 3.97 3.85 4.19 4.14
Max. number of
connectable indoor
units
35 39 42 45 48 52 55 58
1,657x(930+20+1240)x765
1,657x(930+20+930+
20+930)x765
1,657x(1240+20+1240)x765

72
Model
RX (Y) Q
38TNY1
RX (Y) Q
40TNY1
RX (Y) Q
42TNY1
RX (Y) Q
44TNY1
RX (Y) Q
46TNY1
RX (Y) Q
48TNY1
RX (Y) Q
50TNY1
RX (Y) Q
52TNY1
Combination of
module
(HP)
8+12+18 12+12+16 12+14+16 12+16+16 14+14+18 14+16+16 14+18+18 16+18+18
Outdoor unit image
(HxWxD)
Cooling capacity
(kW)
105.9 112.0 118.5 123.5 130.0 135.0 140.0 145.0
Heating capacity
(kW)
119.0 125.0 133.0 138.0 146.0 151.0 157.0 162.0
EER 3.58 3.61 3.62 3.54 3.49 3.44 3.36 3.31
COP 3.97 4.04 4.02 3.97 3.91 3.87 3.8 3.77
Max. number of
connectable indoor
units
61 64
1,657x(930+20+930+20+930)x765 1,657x(930+20+1240+20+1240)x765 1,657x(1240+20+1240+
20+1240)x765

73
Model
RX (Y) Q
54TNY1
RX (Y) Q
56TNY1
RX (Y) Q
58TNY1
RX (Y) Q
60TNY1
Combination of
module
(HP)
18+18+18 18+18+20 18+20+20 20+20+20
Outdoor unit image
(HxWxD)
Cooling capacity
(kW)
150.0 156.0 162.0 168.0
Heating capacity
(kW)
168.0 175.0 182.0 189.0
EER 3.25 3.2 3.15 3.11
COP 3.71 3.67 3.63 3.6
Max. number of
connectable indoor
units
64
1,657x(1240+20+1240+20+1240)x765

74
RX (Y) Q
18TY1
RX (Y) Q
20TY1
RX (Y) Q
22TSY1
RX (Y) Q
24TSY1
RX (Y) Q
26TSY1
RX (Y) Q
28TSY1
RX (Y) Q
30TSY1
RX (Y) Q
32TSY1
Combination of
module
(HP)
18 20 10+12 12+12 10+16 12+16 12+18 12+20
Outdoor unit
Image
(HxWxD)
Cooling capacity
(kW)
50.0 56.0 61.5 67.0 73.0 78.5 83.5 89.5
Heating capacity
(kW)
56.0 63.0 69.0 75.0 81.0 87.5 93.5 101.0
EER 3.25 3.11 3.77 3.72 3.51 3.57 3.42 3.31
COP 3.71 3.60 4.22 4.14 3.90 4.00 3.87 3.78
Max. number of
connectable indoor
units
29 32 35 39 42 45 48 52
1,657x1,240x765 1,657x(930+20+1240)x765
Supplement: Space Saving Series

75
Model
RX (Y) Q
34TSY1
RX (Y) Q
36TSY1
RX (Y) Q
38TSY1
RX (Y) Q
40TSY1
RX (Y) Q
42TSY1
RX (Y) Q
44TSY1
Combination
of module
(HP)
16+18 18+18 18+20 20+20 12+12+18 12+12+20
Outdoor unit image
(HxWxD)
Cooling capacity
(kW)
95.0 100.0 106.0 112.0 117.0 123.0
Heating capacity
(kW)
106.0 112.0 119.0 126.0 131.0 138.0
EER 3.35 3.25 3.17 3.11 3.5 3.41
COP 3.80 3.71 3.65 3.60 3.94 3.87
Max. number of
connectable indoor
units
55 58 61 64
1,657x(930+20+930+
20+930)x765
1,657x(1240+20+1240)x765

76
Model
RX (Y) Q
46TSY1
RX (Y) Q
48TSY1
RX (Y) Q
50TSY1
Combination of
module
(HP)
12+16+18 12+18+18 12+18+20
Outdoor unit image
(HxWxD)
Cooling capacity
(kW)
128.5 133.5 139.5
Heating capacity
(kW)
144.0 150.0 157.0
EER 3.45 3.37 3.30
COP 3.88 3.81 3.76
Max. number of
connectable indoor
units
64
1,657x(930+20+930+20+930)x765 1,657x(930+20+1240+20+1240)x765

77
What New Technologies
are incorporated in
?

79
Enhanced Line Up
• 3 system line up
• Wide choices of combination, up
to 60HP
• New Refrigerant cooled inverter
power module ensure stable
operation
Energy Saving
• Leading COP up to 4.41
• DC scroll compressor uses
thixocasting material improved
50% more compression volume
• New heat exchanger design
increased surface area up to
24%
• VRT technology further
improved efficiency for all-year
round operation
• Refrigerant reduction up to 30%
Comfort
• Large airflow, high static
pressure and quiet technology
• Streamlined scroll fan reduced
vibration and pressure loss
Ease of Installation &
Commissioning
• Compact and lightweight design
• 7-segment PCB display
facilitating simplified
commissioning process and
time
• More flexible installation with
enhanced equivalent piping
length up to 190m long and 90m
tall
Key Technologies

81
Which Component in the
Air- Conditioner Consumes
the Most Energy?
The Compressor

82
What can produce An Ferrous Alloy
that is 2.4 times Stronger than Steel ?
Daikin Adopts Thixocasting
50% More Compression Volume

83
New Thixocasted Scroll Compressor
• 50% increased of compressor chamber volume
Gives 2.4 times tensile strength compared
to conventional material
Conventional Material: 250 Mpa
New Material: 600 Mpa
Thinned Wall design leads to increased of
compression chamber volume by 50%, thus
compressor can operate at lower RPM.
50% thinner
Scroll Blade
20% Higher
Scroll Blade
Thixocasting process is
capable to produce
extremely high quality iron
based alloy through
casting in semi-molten
state.
Thixocasted components
posses thin walls with
high strength and tight
tolerance, thus resulting in
excellent mechanical
performance.
COMPRESSOR USING THIXOCASTING PROCESS WITH HIGH STRENGTH MATERIAL
Gray Cast Iron
Mixture of needle
graphite and pearlite.
Smooth sliding, but
Weak.
High Strength Material
Mixture of Granular
graphite and pearlite.
Smooth sliding, yet
High Strength.

84
What is the Strongest Magnet on the
earth?
Daikin Adopts 50% More Neodymium
Magnet in Scroll Compressor
Neodymium magnets (small cylinders) can easily
lift thousands of times their own weight.

85
• 50% stronger magnetic force & higher rotation efficiency of rotor
Compact coil using concentrated motor windings reduces winding resistance
and increases motor efficiency low rpm range.
SMALL TYPE HIGH EFFICIENCY CONCENTRATED WINDING MOTOR
• 50% more neodymium magnets
• 6 pole motor – 960 rpm
• Concentrated winding yet compact size
• Higher torque
• Improved intermediate efficiency at low RPM range
Distributed Winding
(VRV III 8 HP Compressor)
Concentrated Winding
(VRV IV 12 HP Compressor)
VRV III 12 HP Compressor size = VRV IV 8 HP Compressor size
Super High Efficiency Compressor Motor
4-pole Motor 6-pole Motor
Ferrite
Magnet
Neodymium
Magnet

86
Which Static Component
Increases Energy Efficiency
in the Air-conditioning
Equipment ?
The Condenser Coil

87
Maximized
surface area
Improved Heat Exchanger Design
• Increased to 3 row coil
• Reduced fin pitch from 2mm to 1.4mm
• Reduced air flow resistance through smaller pipe (Ø7mm) design
• Reduced refrigerant charge, from 8%-30% per module
4-SIDED HEAT EXCHANGER WITH INCREASED SURFACE AREA UP TO 24%
• 50% more heat exchange surface (Max. 235 m2
) while maintaining installation space
Fine Louver Fin
(2 mm Pitch)
Waffle Fin
(1.4 mm Pitch)

88
Production line of Heat Exchanger

90
Innovative New Technology !
VRT (Variable Refrigerant Temperature)
Targets Methods Results
Compressor Speed Change Inverter Refrigerant Volume Change
Evaporating Temperature Change VRT Compressor Lift Change
What is VRT?
• Cooling load is always changing
• How can we achieve best performance in unstable condition?
New!

91
Power consumption
Comp. work
Inverter
Reduction
Comp. Work
VRT
Reduction
Compressor Work (Power Consumption) Reduction
Refrigerant
Temperature
Tc
(Condensing
Temperature)
Te
(Evaporating
Temperature)
50% 100% Refrigerant
Flow
Control Philosophy

92
System
capacity
Refrigerant
T
35°
25° 30°
20°
Efficiency
35°
25° 30°
20°
Outdoor temperature
Example: Cooling
Fixed Tr
Capacity
&
Load
35°
25° 30°
20°
Cooling
requirement
Design
point
Currently on all VRF systems
Same refrigerant temperature (Tr)
throughout the season
As outdoor temperature falls, the
capacity of the system is adjusted
merely by reducing the speed of
inverter compressors
Reducing compressor speed improves
efficiency, but only to a certain extent: at
very low compressor speeds,
compressor efficiency actually falls
VRT Control

93
Automatic VRT mode
System
capacity
Refrigerant
T
35°
25° 30°
20°
Efficiency
35°
25° 30°
20°
Outdoor temperature
Example: Cooling
System
capacity
Fixed Tr
Higher refrigerant temperature (Tr)
in mid-season
As outdoor temperature falls, the
capacity of the system is adjusted
by reducing the speed of
compressors AND by increasing
the evaporation temperature
Efficiency increases far more thanks to
lower compression ratio’s and thanks to
maintaining the compressors at optimal
speeds
Variable Tr
Capacity
&
Load
35°
25° 30°
20°
Cooling
requirement
Design
point
VRT Control

94
Automatic VRT mode
Refrigerant
T
35°
25° 30°
20°
Efficiency
35°
25° 30°
20°
Outdoor temperature
Example: Cooling
Fixed Tr
Variable Tr
+28%
Seasonal
cooling
Efficiency
 Reduced power consumption
 Reduced running costs
 Reduced CO2 emissions
System
capacity
System
capacity
Capacity
&
Load
35°
25° 30°
20°
Cooling
requirement
Design
point
VRT Control

95
 Why is increased refrigerant temperature (in cooling) good?
Efficiency benefit
Cycle example: outdoor temp 25~27°C – standard VRF
Cycle specs.:
TE = 6°C
TC = 40°C
ΔTSH = 5K
ΔTSC = 20K
ηIS = 0.6
Heat loss factor = 10%
Theoretical EER = 4.6
Cycle example: outdoor temp 25~27°C – Increased refrigerant temperature
Cycle specs.:
TE = 11°C
TC = 40°C
ΔTSH = 5K
ΔTSC = 16K
ηIS = 0.6
Heat loss factor = 10%
Theoretical EER = 5.4
+17%
VRT Control

96
20 40 60 80 100 120 140 160
Compressor frequency [rps]
Efficiency benefit
The previous example did not count on increased efficiency of the compressor – but this also has
significant impact
Compressor
efficiency
With a higher refrigerant temperature, the compression ratio falls so the
compressor doesn’t have to work so much. Moreover, we prevent it operates at
it’s less efficient very low operating speeds.
Nominal
efficiency
Efficiency curve: TE = 6°C / TC = 35°C
Capacity reduction on today’s VRF systems
VRT Control

97
20 40 60 80 100 120 140 160
Compressor frequency [rps]
Efficiency benefit
The previous example did not count on increased efficiency of the compressor – but this also has
significant impact
Compressor
efficiency
With a higher refrigerant temperature, the compression ratio falls so the
compressor doesn’t have to work so much. Moreover, we prevent it operates at
it’s less efficient very low operating speeds.
Nominal
efficiency
Capacity reduction on VRV IV
VRT Control

98
Comfort benefit
26°CDB, 18°CWB (46.3% RH)
13.5°C
Dew point = 13.6°C
11°C
16°CDB (84% RH)
Almost no dehumidification, high discharge
temperature = no cold draft!
FXSQ100P7
Total capacity 6.3 kW
Sensible capacity
 Reduction of temperature
6.2 kW
Latent capacity
 Dehumidification
0.1 kW
0.2 kg/h
Higher refrigerant temperature also means less dehumidification of the air and higher discharge air
temperatures
 Dramatically reduced risk of cold draft feeling
 Less dehumidification when it’s not necessary (CEE comfort applications)
Example (at these conditions):
VRT Control

99
Mode a.k.a. current VRF systems
Mode for preferential use of a
certain refrigerant temperature.
The system will only deviate from
the desired refrigerant temperature
if allowed and if the load requires it
(not weather-dependent, only load
dependent)
All-round mode providing the best
balance between comfort and
efficiency.
The system will automatically adapt
to the building and climate / weather
conditions.
* Default factory settings
VRV IV Heat Pump
RYYQ-T
Special features
 Variable Refrigerant Temperature control
Details
Variable
Refrigerant
Temperature
control
Automatic*
Floating
weather-
dependent TE
Powerful
Quick
Mild*
High-sensible
Powerful
Quick
Mild
Eco
Variable Refrigerant Temperature control puts you in control of how the VRV IV operates, allowing
customized, exact design based on the design situation
Basic
No sub-
modes
All modes (*) can be set on the ODU’s PCB at service mode.
Note) *:
“Basic”, “Auto”, “High Sensible” &
“Powerful”, “Quick”, “Mild”, “Eco”.

100
VRV IV Heat Pump
RYYQ-T
Special features
Details
Automatic* High-Sensible Basic
Powerful Quick Mild* Powerful Quick Mild Eco Basic
A
Lower boundary of
weather-dependent TE
6°C - -
B
Upper boundary of
weather-dependent TE
16°C - -
C Configurable TE - 7 ~ 11°C -
D
Minimum operational TE
(when lack of capacity is
detected)
3°C 6°C 3°C 6°C
Same as
(C)
6°C
E Maximum operational TE Same as (A) Same as (C) 6°C
F
Reaction speed
(Speed of changing TE) Fast Slow Fast Slow
Does not
change
Does not
change
G Maximum capacity >100% 100% >100% 100% <100% 100%
Variable Refrigerant
Temperature control
* Default factory settings

101
• Inverter + VRT combination offers quicker cool down to shorten
uncomfortable pull down time.
Mode Target Te
Mild -
Quick 6℃
Powerful 3℃
Mild
Quick
Powerful
Room
Temp.
30℃
25℃
Time
Cooling
capacity
Mild
100%
Quick
105~110%
Powerful
115~120%
Capacity image at pull down
The compressor Is accelerated by inverter to
deliver higher capacity in pull down period.
Te is shifted down to 3℃
in powerful mode.
Start of
cooling
Achieving Comfort Condition

102
VRV IV Heat Pump
RYYQ-T
Special features
Details
Te max. = f(Ta)
Te base target =f(Ta)
Te = 6°C
Te = 3°C
Te
Tindoor
Time
Target
ƞ
Efficiency
Comfort
Refrigerant
Temperature
VRT Automatic control mode
Quick mode
Mild mode
Pow erful mode
Example of how the
different sub-modes affect
the systems performance

103
• According to the room heat load change, evaporating temp. (at cooling) and
condensing temp. (at heating) are automatically adjusted so that A/C may
become the maximum efficiency.
Higher efficiency at year-round air-conditioning
Quicker cooling and heating at pull down period
Benefits of VRT

104
• 3 modes for the customer's favorite
- Mild, Quick & Powerful mode
Ref.
Eva.
temp.
Start
Temp.
Set
Temp.
16℃
6℃
3℃
Optimal value
Actual value
Reason – Quicker Cooling
Mild
Quick
Powerful

105
6℃
9℃
11℃
5.47
4.58
3.84
0.00
1.00
2.00
3.00
4.00
5.00
6.00
COP
Te
(Evaporating temp)
19%up
42%UP!
Evidence – RX(Y)Q10TY1 (10HP)

106
Average improvement from Basic to VRT = 27%
Up
6.37
5.67
5.5
5.34
5.05
4.97
4.42
5.58 5.42 5.39
5.23 5.17
5.01
4.68
5.03
5.29 5.19
7.53
7.2
6.96 6.83
6.5 6.38
5.67
7.07
6.81 6.89
6.69 6.6
6.44
6.02
6.36
6.74
6.65
2.00
3.00
4.00
5.00
6.00
7.00
8.00
8HP
10HP
12HP
14HP
16HP
18HP
20HP
22HP
24HP
26HP
28HP
30HP
34HP
36HP
38HP
40HP
42HP
Basic VRT
Model for EC market
ESEER VRT Performance at ESEER

107
High Sensible Heat Area/Project
Project where Outdoor Air is Processed
Best Matching for VRT

108
How can the
reliability of
Electronic Components
Be extended ?
The Condenser Coil

109
Air Cooled Inverter Power Module
VRV III
Natural Air Ventilation
Air cooled radiator fins
• VRV III, inverter power module is cooled by natural air ventilation.

110
New Refrigerant Cooled Inverter
Power Module
Refrigerant cooled circuits
• VRV IV, inverter power module is cooled by refrigerant
• More efficient cooling without influent by the ambient
temperature
• Ensure stability of PCB temperature

111
New Refrigerant Cooled Inverter
Power Module
• Downsize electric component, relocate control box to dead space of bell mouth side to
decrease airflow resistance

112
Ease of Installation &
Commissioning

113
Buildings are getting
Larger & Taller
Market Trend
VRV is suitable for middle
to large scale building
- Limited roof space
- Long piping length

114
Footprint: 0.95m2 (▲43%)
Unit Weight: 310kg (▲35%)
1240
20H
P
Footprint: 1.66m2
Unit Weight: 475kg
2170
20HP
Compact & Lightweight Design

115
60HP A/C Room
• More effective space in the building!
Floor by floor installation
(2,500m2/F,
132HP/F)
2210mm less
37% Less
Space!
VRVIII
VRV IV
Larger Capacity & Compact

116
• More effective space in the building!
Centralized installation
(15Fx2,500m2/F=37,500m2, 1980HP)
VRVIII
466m2
VRV IV
286m2
39% Less
Space!
Space for VRVIII
15F
Larger Capacity & Compact Module Unit

117
Piping Limitations
• Piping length allowances for standard outdoor combinations & only VRV indoor units.
Total piping length + 1000 m actual
Outdoor unit to
indoor unit
165 m actual
190 m equivalent
1st
branch point to
indoor unit
90 m under special
conditions
40 m standard
Indoor unit to
nearest branch
40 m
Level difference
between outdoor
and indoor unit
HOI
OU above IUs
90 m with setting and
piping modifications
50 m standard
OU below IUs
90 m with setting, piping
mods. and CR limits
40 m standard
Level difference
between indoor unit
and indoor unit
HII 30 m
HOI
HII
Liquid pipe must be sized up and a field setting made on outdoor unit. In case of OU below IUs, the
minimum connection ratio is limited (as on VRV III Heat Recovery).

118
Piping Limitations
• Piping length allowances for non-standard outdoor combinations & only VRV indoor units.
Total piping length + 500 m actual
Outdoor unit to
indoor unit
135 m actual
160 m equivalent
1st
branch point to
indoor unit
90 m under special
conditions
40 m standard
Indoor unit to
nearest branch
40 m
Level difference
between outdoor
and indoor unit
HOI
OU above IUs
90 m with setting and
piping modifications
50 m standard
OU below IUs
90 m with setting, piping
mods. and CR limits
40 m standard
Level difference
between indoor unit
and indoor unit
HII 30 m
Liquid pipe must be sized up and a field setting made on outdoor unit. In case of OU below IUs, the
minimum connection ratio is limited (as on VRV III Heat Recovery).
HOI
HII

119
High External Static Pressure
• Allow more options in the opening/angle of louvre.
• Suitable for floor by floor installation.
• Outstanding heat dissipation effect in both hierarchical and intensive
arrangement.
78.4 Pa
Improvement of external static pressure
enables an installation shown above.
Exhaust duct
Louver
Window
Discharge
Suction
Exhaust duct
Suction
louver

120
Ease of Commissioning-
New 7 Segment Digital
PCB Control Display

121
New 7 Segment Digital PCB Control
Display
• VRV IV system utilizes 7 segment luminous digital tubes to display system operation
information, enabling the operation state to be visually displayed whilst facilitating
simplified commissioning and after-sales service.
• Improve commissioning, operation and maintenance efficiency
VRV III with LED display VRV IV with 7 segment display
Displays system operation information directly

122
• 50% miniaturization because of higher integration of electronic component.
• SMT packaging technology improves anti-clutter performance and protects
PCB from the adverse effect of sandy and humid weather.
Dust-proof, Water proof, & Anti-corrosion!
Current
New
Intelligent Main PCB (1)
Computer control board surface adopting SMT packaging technology
*SMT: Surface mounted technology

123
123
60~408Hz
Non-step Frequency Control Range
Compressor Inverter PCB
High Quality
Capacitor
Careful Voltage
Protection
High Frequency
Processing IC
• Maximized non-step frequency control range
Intelligent Main PCB (2)

124
• Automatically checks the
wirings between outdoor units
and indoor units.
• Confirms and corrects the
actual piping length.
• Automatically check whether
the stop valve in each outdoor
unit is in normal status.
Automatic Check
Wiring
Check
Piping
Check
Stop Valve
Check
Efficient Automatic Test Operation
• Accelerating installation process, improving field setting quality

126
• Conventional setting
Modern Site Setting- VRV Configurator

127
Graphical interface to configure system settings and
commissioning
 Less time on the roof required
 Commission multiple systems of key accounts in the same way
 More time available for test run
 Easily retrieve initial settings on ODU
 Easy error read-out
Digital indication:
• VRV Configurator (EKBCCAB1)
Simplified Commissioning & Servicing
Programming Switches:
Software will be available free of charge from the Extranet or via Daikin staff.

128
 Te setting
 Tc setting
 High ESP setting
 Low Noise setting (both automatic and manual)
 Demand setting
 Last errors occurred
 No. of retries
 … and many more!
• VRV Configurator (EKBCCAB1)
Main
setting
Software will be available free of charge from the Extranet or via Daikin staff.

129
Comfort-
Lower Operation Sound

130
Streamlined Air Grille
It promotes the discharge of
swirling airflow, further
reducing the pressure loss.
Comfort- Low Operation Sound
• Improve heat exchanger efficiency, helps to reduced operation sound.
• Advanced analytic technologies are utilized to optimize fan design and
increase air flow rate and high ESP without increasing operation sound.
6HP 8HP 10HP 12HP
VRVIII 57 57 58 60
55 56 57 59
Streamlined Scroll Fan
The sharp edge of each fan blade has
a certain curvature, reducing both the
vibration and the pressure loss.
Streamlined
Scroll Fan
Illustrated
Fan

131
• Nighttime quiet operation function
– Outdoor PCB automatically memorizes the time when the peak outdoor
temperature appears.
– It will enable quiet operation mode after 8 h(*1), and return to normal
mode after it keeps for 9 h(*2).
Notes: · This function is available in setting at site.
· The operating sound in quiet operation mode is the actual value
measured by our company.
· The relationship of outdoor temperature (load) and time shown
above is just an example
Quieter at Nighttime

132
• During system start-up, Daikin VRV IV system will automatically enable the
Unit Alternate Operation Function for longer machine life and stable
operation.
Automatic
Sequencing
Automatic
Sequencing
Automatic Sequencing Operation
NOTE : Refrigerant oil recovery process takes place once every 8 hours of compressor run time

133
A A
Single Module, single compressor
(6-12HP)
A B A
Single Module, two compressors
(14-20HP)
A
B
A B C D E F
1 4 2 5 3 6
3 6 1 4 2 5
2 5 3 6 1 4
I
II
III
Triple Module, six compressors
D
A
F
C
A
C
E
A
C
E
B
A A
C
A
C
E
B
D
A
C
E
B
Capacity
increase
Single and Two Inverter Scroll Compressor
Compressor Operation & Sequencing

134
A B C D E F
1 4 2 5 3 6
3 6 1 4 2 5
2 5 3 6 1 4
I
II
III
A B C D E F
A B C D E F
1 2 3
1 2
3
1
2 3
After 8 hours operation,
changeover of Module
Sequence
After 8 hours operation,
changeover of Module
Sequence
Compressor
Sequence
Compressor
Sequence
Compressor
Sequence
Compressor Operation & Sequencing
NOTE : Refrigerant oil recovery process takes place once every 8 hours of compressor run time

135
Unit backup operation function
If malfunction occurs in an outdoor unit...
Emergency operation can be conveniently set and
enabled by the remote controller for indoor unit (for
systems composed of two or more outdoor units ).
Compressor backup operation function
If malfunction occurs in a compressor...
Emergency operation can be easily set and
enabled by the outdoor unit (for a single
outdoor unit system RX(Y)Q 14-20TY1 models).
Double Backup Operation Functions
• In the event of a failure, emergency operation can be conveniently enabled
to allow the remaining system to operate in a limited fashion.

136
A B C D E F
A B
Emergency Operation on CU PCB
Compressor B can run again
Emergency Operation on Remote Control
Module 1 can run again
Emergency Operation on Remote Control
Module 1 & 2 can run again
Module 1 Module 2 Module 3
NOTE :
If repair has not been done after 8 hours of Emergency Operation, Error Code will be activated again
A B C D
Module 1 Module 2
Double Backup Operation Functions

137
18 types
86 models
One of the widest ranges in the industry
Indoor Units Line-up

143
Ceiling Mounted Cassette Type

144
1
 infrared “presence sensor” –
prevents draft
 infrared lower level sensor
Individual airflow direction
control
Auto airflow rate mode
Auto airflow direction mode
3
Greater Comfort
special features
4

145
Infrared floor sensor
4 flaps are independently controlled
Individual airflow direction
Infrared presence sensor
Automatic air flow rate
special features
4

146
• Individual airflow direction control(4 directions)
• Draft prevention by airflow block function
 ４

５
Comfort
Smaller heat exchange tubes
with different diameters
(Two rows of  7 tubes 
1 row of  4 tubes and 2 rows of  5 tubes)
Energy Saving
5-step DC fan motor
Energy Saving
and infrared floor sensor
DC drain pump
Energy Saving
Technologies
Stylish
Air outlet becomes flat
when unit stops and
swing flap shuts down
Comfort
Energy Saving

147
Infrared presence sensor individually detect each
of the areas [A , B , C , D] for the presence of people
New Sensors
Infrared Sensors
Infrared floor sensor detects the
average floor temperature

148
Comfort
Comfortable cooling
that does not become
cold at floor level with
less draft.
Cooling without Sensing Function
Cold
floor
Cold air accumulates around
the floor, creating cold feet.
The sensor detects low
temperature at floor level to
avoid the floor temperature
become too cold.
Energy
Saving
To prevent excessive
cooling at floor level,
cooling capacity is
automatically controlled.
Cooling with Sensing function
When people are detected, the
unit controls airflow direction
to prevent direct drafts.
Sensing Function
Feels draft

149
Avoid direct air stream
Individual airflow direction control

150

151
A
C
B D

152
When there are no people in a room, set temperature is
shifted automatically.
The system saves energy automatically by detecting whether the room is
unoccupied. The set temperature is shifted automatically based on the user
preset condition if unoccupied.
*This function is not available when using the group control system.
*User can set this function with remote controller.
25
C
26
C
27
C
Occupied
Auto revert
when people
return
Setpoint
(C)
After 30 min After another 30 min
27
26
25
(Example)
• Cooling setpoint: 25C
• Shift temperature: 1.0C
• Shift time: 30 min.
• Limit cooling temperature: 27C
If people do not
return, air
conditioner will turn
off when the room
temperature reaches
27C.
Sensing Sensor Low Mode
Shift temperature and time can be selected from 1 to 4C in 0.5C increments
and 15, 30, 45, 60, 90 or 120 minutes respectively with remote controller.
Time
Unoccupied

153
Reference: Results of checking operation
with an actual Daikin system
Installed indoor unit Operation Setpoint （℃） air flow rate Power consumption (%) Louvers Operation hours
Window Cooling 20 High
100% Horizontal 8:30-17:00
Hallway 20 High
Window Cooling 22 High
70% Horizontal 8:30-17:00
Hallway 22 High
30% lower power consumption
With temperature shift of 2C:
Reference documentation: “Research into
a Database Describing How Offices Are
Used,” September 2006, Papers of the
Society of Heating, Air-Conditioning and
Sanitary Engineers of Japan
A, B: Education
C, D: Construction
Average seat occupancy at offices on
weekdays ranges from 30% to 50%
(yearly average). (In sales
departments, it may be as low as 20%
to 30%.)
Weekday average presence ratio
Presence
ratio
(%)
Weekday (1 day) seat
occupancy
Unoccupied energy-saving mode Offices and stores have many unoccupied areas.
Indoor unit: Actual energy savings

154
Sensing Sensor Stop Mode
*This function is not available when using the group control system.
Absent stop time can be selected from 1 to 24 hrs in 1 hr
increments with remote controller
The system saves energy automatically by detecting whether the room is
unoccupied. The system automatically stops operation based on the user
preset condition if unoccupied.
When there are no people in a room, the system stops
automatically.
Unoccupied
Occupied
Operatio
n
After 2hrs
On
(Example) •Absent time : 2hrs
Off

155
No need for additional airflow
blocker (to be arranged on site)
Total comfort by individual airflow direction control
and newly-equipped “Airflow block function”
Easy setup with remote controller
Horizontal blow Airflow block
Airflow Block Function

156
Airflow block function avoids uncomfortable
drafts by reducing air velocity.
Sealing material of air discharge outlet
(optional accessory) is not required.
Airflow block
Low air velocity
Airflow block
for cabinet
side
Additional airflow blocker (to be
arranged on site) is not required.
When installing near the walls, space is
required to install conventional system:
1,500 mm
When using the airflow block function,
less space is required :500 mm
(Equivalent to using an optional sealing
material of air discharge outlet)
Total comfort by individual airflow direction control
and newly-equipped “Airflow block function”
Airflow Block Function

158
Technology that allow sensing air flow to deliver energy savings

160
MDS
• Up to 60Hp
• Three product line-up provides greater
selection and installation flexibility
• Up to 50Hp
Total Capacity Range

161
MDS
• Modular combination
• Only 8 different single module for
modular combination
• Specific module for each module
• Difficult in keep stock
Combination of Models

162
MDS
• Up to 18 types of indoor units
• Greater installation flexibility
to suit different applications
• Up to 7 types of indoor unit
Indoor Model Range

163
MDS
• Two Inverter Scroll Compressors • One Digital Scroll Compressor
and Multiple Fixed Scroll
Compressor
Compressor

164
MDS
• EXV is built inside the indoor unit • EXV Box has to be installed
outside the indoor unit
Expansion Device

165
Maximum Connectable Indoor Units
MDS
• Max. 64 IDUs
• Max. 38 IDUs

166
Maximum Piping Length
MDS
Max. Actual Piping Length 165 m 150 m
Max. Equivalent Piping Length 190 m 175 m
Max. Level Difference (between first ID branch & the farthest IDU) 90 m* 65 m
Max. Level Difference (between IDUs & ODUs) 90 m* 50 m
Max. Level Difference (between IDUs) 30 m 15 m
*Refer EDB for details of conditions and requirements.

167
Connection Ratio
MDS
• 50 – 200% • 50 – 120%

168
Control Surface Board
MDS
• SMT Packaging technology improves anti-clutter performance and protects PCB
from the adverse effect of sandy and humid weather.
• Conventional type

169
Commissioning
MDS
• No extra laptops or connection
required
• Commissioning can be done by
pressing the buttons on the ODU PCB
• Auto addressing of indoor units
• Require a laptop with a MC501
gateway during system
commissioning
• Manually setting on dipswitch on
each IDU PCB
+
X

170
Centralized Control Option
MDS
• D-BACS using DIII Net
communication offers a variety of
centralized controllers (up to 64 IDUs)
• Unlimited groups of DIII equipments
can be managed with Unlimited
numbers of iTM by Web Integration
• MC303 central controller (up to
32 IDUs)
• Centralized control can manage
1536 IDUs at the same time

171
BMS Interface Option
MDS
• Compatibility with BMS by utilizing
international communication
standards, BACnet® or
LONWORKS®
• MC510 Modbus Gateway allow
MDS system communicate with
BMS based on Modbus protocol

173
173
Air Conditioners for General Use
Air Conditioners for Particular Uses
Niche for Centrifugal
Chiller System
1. Large-size building
2. Large volume of outdoor
air processing
3. Large space air-conditioning
1. Large- to middle-size building
2. Large volume of outdoor air processing
3. Large space air-conditioning
Niche for VRV System
1. Middle- to small-size building
2. Individual room air-conditioning
3. Energy-saving system
1. Constant temperature and humidity room
(Secondary side: Temperature and humidity control)
2. Clean room (Secondary side: Highly static pressure and highly airtight)
3. Hospital facilities (Particular areas like operation rooms and intensive
care units)
4. Processing use (Highly accurate water supply)
It is recommendable that chiller
system has a wide range of options as
secondary-side equipment, possibility
of highly accurate temperature
controlled water supply, and low load
control.
Segregation of Applications according to NEEDS
Niche for Chiller System

174
174
High
price
1000m2 30000m2
<Major Applications>
Luxury hotels.
Classy restaurants.
High-end condominiums.
2) Upmarket needs
Department stores. Shopping malls.
Movie theaters. High-rise office
buildings. High-end housings.
3) Middle-class needs
Public offices. Community
facilities. Restaurants. Apartment
houses. Dwelling houses. Middle-
to small-size office buildings.
4) Widely-distributed
equipment needs
Eating and drinking places. Middle- to
small-size office buildings.
Convenience stores. General housings.
Retail premises.
Floor space
VRV
Unitary type
[Duct-type PA]
Central systems
Chiller
Centri-
fugal
chiller
RA Multi-
split type
(1)
(2)
(3)
(4)
Market Structure of Air Conditioners for General Use
1) VIP needs
<Floor Space and Grade>
Grade
Low
price
10000m2
Horizontal Axis

175
175
l Segregation according to the size of complex building (commercial building)
Low-rise buildings (Retail stores, hotels,
restaurants, and offices), large shopping malls,
gymnasiums, trade fair sites, hospitals, libraries, air
ports, stations and schools
Mid-rise buildings
(Complex buildings and complex
facilities: Retail stores, hotels,
restaurants and offices)
High-rise buildings
(Office buildings and hotels)
Ultra-tall buildings
(Office buildings and hotels)
10
20
30
40
50
Chiller
system
Centrifugal
chiller system
Combination of
central system
and VRV system
Air Conditioning Systems
Recommended by Daikin
<Applications based on the number of floors>
Number of floors
VRV
VRV
30,000m2
50,000m2
70,000m2 100,000m2 Floor space

176
176
Centrifugal chiller
Refrigerant piping
Cooling water piping
Chilled/Hot water
piping
Duct
VRV indoor unit
VRV outdoor unit
Fan coil
Ceiling suspended air
handling unit
Large-size air
handling unit
Cooling tower
Boiler
Water-cooled chiller
Hotel (Hotel rooms) ）
Offices
High-end condominium
Hotel (Lobby)
Department store,
movie theater,
shopping mall
Integrated air conditioning with centrifugal chiller
Big air volume, high static
pressure are required
because of Large-space
Recommended A/C System for Large-size Complex Buildings

177
177
Centrifugal chiller
Refrigerant piping
Chilled/Hot water
piping
Duct
VRV indoor unit
VRV outdoor unit
Fan coil
handling unit
Large-size air
handling unit
Cooling tower
Boiler
Water-cooled
chiller
Hotel (Hotel rooms)
Offices
Hotel (Lobby)
Department store,
movie theater,
shopping mall
Individual air conditioning
is required because of over
time work,holiday
attendance.

178
Centrifugal chiller
Refrigerant piping
Chilled/Hot water
piping
Duct
VRV indoor unit
VRV outdoor unit
Fan coil
handling unit
Large-size air
handling unit
Cooling tower
Boiler
Water-cooled
chiller
Hotel (Hotel rooms)
Offices
Hotel (Lobby)
Department store,
movie theater,
shopping mall
air conditioning is used
casually because of private
room
air conditioning is used
casually because of
private room

179
Centrifugal chiller
Refrigerant piping
Chilled/Hot water
piping
Duct
VRV indoor unit
VRV outdoor unit
Fan coil
handling unit
Large-size air
handling unit
Cooling tower
Boiler
Water-cooled
chiller
Hotel (Hotel rooms)
Offices
Hotel (Lobby)
Department store,
movie theater,
shopping mall
air conditioning for
Individual needs and
large-space are
required in a same
building.

180
Centrifugal chiller
冷媒配管
冷却水配管
冷温水配管
ダクト
ＶＲＶ室内
機
ＶＲＶ室外
機
ファンコイ
ル
天吊エアハ
ン
大型エアハ
ン
Cooling tower
Boiler
Water-cooled
chiller
Hotel (Hotel rooms)
office
Hotel (Lobby)
Department store,
movie theater,
shopping mall
Central System using
Chiller
is adopted for big
space.
Combination use of chiller system
and VRV system is recommended.
VRV
VRV is adopted for
individual air
conditioning area,
producing energy
saving.
Integrated a/c system using only
centrifugal chiller for a large-size
complex building is common idea.

181
Floor space 30,000m2
50,000m2
100,000m2
Cooling
load 900RT 1500RT 3000RT
Integrated method with
centrifugal chiller or
absorption chiller system
500RT
× 2 units
500RT
× 3 units
1000RT
× 3 units
Method
Upper
floors
(Individual
air-condi-
tioning)
Lower floors
(Central-system
air-conditioning)
VRV Screw Chiller
Linked by
DIII Net
I-manager
+
Controlling the whole equipment
Central
system +
VRV
system
Chiller
system
240RT
× 2 unit
400RT
× 2 units
400RT
× 4 units
VRV
system
550HP
(48HP outdoor
unit × 12 units)
940HP
(48HP outdoor
unit × 20 units)
1880HP
(48HP outdoor
unit × 40 units)

182
Good Features of VRV
Good Features of Chiller
1) Large- to middle-size building
2) Large volume of outdoor air processing
3) Large space air-conditioning
4) Good full load operation and efficiency esp water-cooled
5) Work with AHUs to achieve certain air conditions for specialised
areas like cleanrooms, operation theatres in hospitals, etc
1) Individual room controls
2) Good partial load operation
3) Good for small to medium-sized building
4) Easy design, installation, commissioning, and troubleshooting
5) Stage-by-stage, floor-by-floor design and installation possible
6) Energy saving inverter system
7) A/C equipment i.e CU, FCU, controllers, joints all from same supplier

183
How does VRV benefit ...
 Tenant
 Building Owner
 Consultant
 Contractor

184
 for Tenant ...
 Comfort air-conditioning system
• Precise temperature control
• Quiet operation
• Flexible & easy management
• Individual Control
• Energy Saving
• Individual Energy Bill
• After Hours Operation

185
 Lower running cost
- Energy saving
- Water Saving
- Operator cost saving
- Maintenance cost saving
 Lower building cost
 Save space
 Shorter & more flexible installation
 for Building Owner ...

186
 Flexible & easy for system
design
 Easy to fulfill design brief
- Energy saving
- Individual Control
- Comfort
- Space saving
- High level central control
 Faster design
 Less mistakes
 for Consultant ...

187
 Easy installation
 Save installation time
 One supplier
 Easy commissioning
 for Contractor ...

188
Pump
Pump
Cooling
tower
Water piping
AHU
FCU FCU
For
cooling
For
heating
2 heat sources
Managed by
engineer
Complicated
Inefficient part
load operation
Outdoor
unit
indoor
unit
Refrigerant piping
Space-conscious
design
Simple system
Energy efficient
Individual control
Remote
controller
Simple Operation
Chiller
Outline of the Systems

189
27.7%
19.9%
52.4%
1982
10.7%
22.4%
66.9%
Buildings up to 7,000 m2
Development of VRV market in Japan
Buildings over 7,000 m2
Packaged air-conditioners
Combined air-conditioners
Centralized air-conditioners

190
68.4%
15.5%
16.1%
34.7%
1996
28.0%
32.4%
39.6%
14.9%
VRV system
Buildings up to 7,000 m2 Buildings over 7,000 m2

191
2001
47.5%
25.2%
15.7%
59.1%
26.9%
37.9%
35.2%
32.2%
VRV system
Buildings up to 7,000 m2 Buildings over 7,000 m2

192
• For air cooled chiller, consider “filling cost”
• For water cooled chiller, consider “filling” and “drift” costs
• Also, water treatment cost
Example:
- 25 storey office
- 1300 Rt Water Cooled chiller
- 1.5% drift
- 51 ML/yr
- $65 000
Water Cost Saving

193
• Chilled water systems often require trained operator on site.
• Not necessary for VRV system.
• Chilled water systems require costly maintenance.
• Not necessary for VRV system. Just routine cleaning.
Maintenance & Operator Cost Saving

194
Example : Based on capacity 700 kW
Air cooled
Chiller
Water cooled
chiller
Other VRF Daikin VRV-IV
Primary Equipment 355,163
$ 394,625
$ 438,900
$ 462,000
$
Other 355,163
$ 394,625
$ 323,400
$ 308,000
$
Installed Cost 710,325
$ 789,250
$ 762,300
$ 770,000
$
Water Cost 50
$ 10,465
$ -
$ -
$
Water Treatment 100
$ 1,000
$ -
$ -
$
Energy Cost - Cooling 35,461
$ 31,517
$ 21,407
$ 17,662
$
Energy Cost - Heating 18,463
$ 18,463
$ 12,309
$ 10,156
$
Maintenance 31,111
$ 34,028
$ 14,933
$ 14,933
$
Operator 20,000
$ 20,000
$ -
$ -
$
Total Annual Cost 105,185
$ 115,473
$ 48,649
$ 42,751
$
Diff. Installed Cost 59,675
-$ 19,250
$ 7,700
-$
Diff. Annual Cost 62,434
$ 72,722
$ 5,898
$
Payback years 0.96 immediate 1.31
15 year savings 876,835
$ 1,110,080
$ 80,770
$
Life Cycle Cost Saving

195
How does it compare?
Improved Comfort

196
Easy Zoning compared to Chiller
 Each indoor unit is capable of individual set point control.
 Many zones possible, without complication.
 Staged installation possible.
 Floor by floor installation possible.
 Future installation possible.
Easy Planning & Design

197
All one brand
 Outdoor units, indoor units, controls, pipe sizing, pipe
joints etc all from one supplier.
 Eliminates cumulative error.
 Prevents “passing blame” between suppliers.
 Common procedures on every project.
Easy Planning & Design

198
VRV System
Simple wiring
Central A/C System
Complicated wiring
FCU
S$ 200 / point
2-6 points / piece of equipment
All monitoring points
included at no cost
Easy Network Wiring

199
Central A/C System
The systems commonly
condition the entire building at
predetermined times, with no
regard to user demands.
VRV System
The systems condition only
the necessary rooms with
regard to user demands.
After Hours Operation

200
Transport by Lift
• All models (5-54HP) can easily be carried by lift.
• Easy for floor by floor installation.
• Reduction of installation work.
Steel Base can be
used for hitching
Easy!
Lift
Air Cooled Chiller RXYQ16P 329kg
1680 x 1240 x 765
Easier to Handle

201
VRV SYSTEM
P P
1/3
CHILLER SYSTEM
Efficient Use of Space

202
CHILLER SYSTEM
VRV SYSTEM
2 -off plant & pumps Standby not required.
P P
$$$$$
No Standby Equipment

203
VRV SYSTEM
Lighter structural requirements
Lower height
Lower cost building
CHILLER SYSTEM
P P
$$$$$
$$$$$
Most Cost Effective Building

204
REFNET header
REFNET joint
Short installation
time !
- Simplified refrigerant piping system
- More flexible than water piping
REFNET Piping

205
Power
Supply 2
Super Wiring System
Power
Supply 1
- Separate Power Supply for out- and indoor units
- 2 wire multiplex transmission system
- Automatic address setting function
Easy & Quick
Installation !
No polarity!
Super Wiring System

206
 Chiller systems, VAV etc are never
“quite right”
 Auto address setting
 VRV works effectively from day one
 Simple procedures common to all
projects
Easy Commissioning & Maintenance

207
Self-diagnosis Function
- to Quickly Cope with Errors
Correct display of errors amounting to
74 items in the system
Error code
display Run lamp
Unit No.
Inspection display
 Errors related with indoor unit: 14
 Errors related with outdoor unit: 32
 Errors related with control/wiring: 16
 Central Control 4
 HRV 8
Self-diagnosis Function

208
Run lamp
Inspection
display
Unit
No.
Error code
display
Error item
Blinking Blinking Blinking A0 Indoor unit: Error of external protection device
Blinking Blinking Blinking A1 Indoor unit: Failure of PC board
On Off Blinking A1 Indoor unit: Failure of PC board
Blinking Blinking Blinking A3 Indoor unit: Malfunction of drain level control system (33H)
Blinking Blinking Blinking A6 Indoor unit: Fan motor lock
On Off Blinking A7 Indoor unit: Malfunction of swing flap motor (M1S)
Blinking Blinking Blinking A9 Indoor unit: Malfunction of moving part of electronic expansion valve (Y1E)
On Off Blinking AF Indoor unit: Drain level above limit
Blinking Blinking Blinking AH Indoor unit: Malfunction of air cleaner
Blinking Blinking Blinking AJ Indoor unit: Malfunction of capacitysetting
Blinking Blinking Blinking C4
Indoor unit: Malfunction of thermistor (R2T) for liquid pipe (loose connection,
disconnection, short circuit, failure)
Indoor unit: Malfunction of thermistor (R3T) for gas pipes (loose connection,
Indoor unit: Malfunction of thermistor (R1T) for air inlet (loose connection,
On On On CJ Indoor unit: Malfunction of thermostat sensor in remote controller
Blinking Blinking Blinking E0 Outdoor unit: Actuation of safetydevice
Blinking Blinking Blinking E1 Outdoor unit: PC board failure
: The system operates for malfunction codes indicated in coloured squares,
however, be sure to check and repair.
Error Code Display

210
Operation data recorded
from the units by service
checkers
Data Download from Service Checkers

211
CHILLER
VRV
Installation Work

212
CHILLER
VRV
- Copper pipes with refnet joints
provided
- Simple and straightforward pipe
sizing according to manual
- No valves needed, so no
sourcing or supply issue
- Easy brazing work with smaller
pipes
- Simple 2-core control wires
- No pipe corrosion
- Smaller ductwork
- Carbon steel pipes, white or
black
- Pipe sizing depends on required
water flowrate and speed
- Many accessories needed e.g:
valves/gauges/strainers/flow
switches/pumps
- Heavy duty welding work with
bigger pipes
- Many control wires
- Possible pipe corrosion
- Bigger ductwork, more building
height and costs
Installation Work

213
CHILLER
VRV
- Less storage and riser space for
smaller copper pipes
- Piping length limitation
- Shorter installation, test &
commissioning, troubleshooting
time
- Allows phase-by-phase or floor-by-
floor installation and
commissioning; less disruption to
existing operation
- No water cost
- More installation space needed
for bigger water pipes
- No actual pipe length limitation
but tedious pump selection
- Longer installation, test &
commissioning, troubleshooting
time
- Great disruption to existing
operation
- Cost of make-up water at cooling
tower for water-cooled chiller
system
Installation Work

214
Chilled water piping
(bigger size)
VRV piping
(smaller size)
Piping Work

215
VRV System
 Simple
 Clean
 Neat

220
Example 1 of Chiller System Piping Work
Cooling
Tower No.1
P T
T
P
P T
T P
M
P
P
P
P
Cooling
Tower No.2
P P
P P
P
T FS
P
T
P T
FS
P T
P
T FS
P
T
P T
FS
P T
M
M
M
Chiller No.1
Chiller No.2
CHWP No.1
CHWP No.2
CDWP No.1
CDWP No.2
To AHU & FCU
M
M
M
M
T
T
Flow
Meter

221
Example 2 of Chiller System Piping Work

222
Flow
switch
Flexible
connection
Temp
gauge
Pressure
gauge
Balancing
valve
Isolating
valve
Victaulic or
flange
connection
Victaulic or
flange
connection
Flexible
connection
Temp
gauge
Pressure
gauge Isolating
valve
Gate
valve Chilled
water
pump
Gate
valve
Strainer
Single Unit Installation

223
Automatic airvent
Balancing valve
Globe
valve
Pressure gauge
Temp gauge
Flow switch

224
Flexible
joint
Temp
gauge
Pressure
gauge
3 way
motorized
valve
balancing
valve
flange end
for future
connection
gate valve
strainer

225
Balancing valve
Gate valve
2 way valve opening
controlled by return air
temp sensor
Pressure gauge
Temp gauge

226
Heat Recovery
VRV Piping – 3 pipes

227
Regulatin
g valve
4-
pipes
Drain
pipe
Chilled Water Piping – 4 pipes FCU

228
Brazing Work Welding Work
Brazing & Welding Work

229
Chiller Wiring
VRV Wiring
Wiring Work

230
Chiller Installation
VRV Installation
supplier contractor
contractor
Supplier A
Supplier B
Supplier C
Supplier D

1.0 A Detailed Overview of Daikin VRV.pptx

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