How Scroll Technology Can Help Achieving Higher Efficiency And Lower Carbon Footprint For Small Systems And Applications.

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Chillventa Specialist Forums 2016
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How Scroll Technology Can Help
Achieving Higher Efficiency And
Lower Carbon Footprint For Small
Systems And Applications
Abhinav Barnwal
Product Manager, Refrigeration Marketing
Emerson Climate Technologies GmbH
October 11th, 2016

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Refrigeration/Cooling Applications With Small Cooling Capacities
Increasing Trend Towards Smaller Refrigeration Systems
• Move Towards Smaller Store Formats In Urban Areas
• Increased System Efficiency And Performances
• Closed Doors On Cabinets
• Integrated Display
Cases
• Reach-Ins
• Ice Machines
• Blast Freezers & Chillers
• Blast Chillers
• Ice Cream Machines
• Process Chillers
• Air Dryers
• Speciality Cooling
• Milk Tank Units
• Packaged Units
• Monoblocks & Bi-Blocks
• Condensing Units
• Indoor & Outdoor
• Cellar Cooling Units
• Speciality Refrigeration
Food Service &
Retailer Equipment
Cold Room Units &
Condensing Units
Other Light Industrial
Applications
Reach-
Ins
Walk-Ins &
Cold Rooms
Ice
Machine
Process Chillers
Specialty Cooling
Display
Cases
Milk
Cooling
Indoor
Units
Outdoor
Units
Blast
Chillers &
Freezers
Ceiling
Units
Air
Dryers

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Main Market Drivers For Compressor Selection
Changing Market Requirements Necessitate A Different Compressor
Technology For Small Refrigeration Systems
Design Of
Compressor As Key
Component of
Refrigeration Systems
Is Influenced By
Market Requirements
Energy
Environment
1
Technology
Eco design Limits
Reduced Energy Consumption
F Gas regulation
Green Image
Reliability
Compactness
Noise Emission Directives
3
2
Leakages
Application Limitations

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Energy
High Efficient Scroll Solution Enables Customers To Comply To Eco-design
Limits Without Changing Their System Design And Saves Costs
1
Operating
Temp.
Capapcity
(in KW)
Applicable
Ratio
MEPS from
1. Jul 2016
1. Jul
2018
MT
< 1.0
COP
1.20 1.40
1.0 - 5.0 1.40 1.60
5.0 - 20
SEPR
2.25 2.55
> 20 2.35 2.65
LT
< 0.4
COP
0.75 0.85
0.5 - 2.0 0.80 0.95
2.0 - 8.0
SEPR
1.50 1.60
> 8.0 1.60 1.70
Compressor
Models
COP/
SEPR
Ecodesign
limit 2016
% Diff
Ecodesign
limit 2018
% Diff
ZS09KAE 2 1.4 30% 1.6 20%
ZS11KAE 2.1 1.4 33% 1.6 24%
ZS13KAE 2.04 1.4 31% 1.6 22%
• Ecodesign limits are forcing OEM’s to
redesign their system
• Scroll ZS*KA compressors efficiency is
well over Ecodesign 2018 limits
• There is a overall trend to reduce
energy consumption
0.5
1
1.5
2
2.5
3
3.5
-18%
-25% -30% -36%
ZS*KA Comptn 1 Comptn 2 Comptn 3 Comptn 4
• ZS*KA compressors gives up to 30-35%
better efficiency against competitive
piston hermetic of equivalent capacities
• Perfect fit for remote condensing units
facing issue with complying to LOT 1
Ecodesign Qualification
R404A, -10, 45, 20SGRT, 0SC

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Environment
With Multiple Refrigerants Qualification, ZS*KA Scrolls Provide An Opportunity
To Customers To Comply To F-gas Regulations And use Low GWP Refrigerants
2
0
50
100
150
200
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
TonsofCO2Equivalent
100%
93%
63%
45%
31%
24% 21%
F Gas Phase Down
• Commercial Hermetically sealed systems allowed to
use only < 150 GWP refrigerants after 2022
• Units below 40KW, allowed to use refrigerants < 2500
GWP, but…
• Prices for high GWP refrigerants to increase sharply
after 2018 F- Gas phase down
• There is a need to introduce low GWP transitional and
Future proof refrigerant
• End users are focusing on Green Image
GWP >1500
150 < GWP <1500
GWP < 150
Naturals
R404A R407A R407F
R448A R449A R134a R450A R513A
A2L’s
R290
Available Ongoing Future
(Dedicated design)
Refrigerant options available

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Technology
Scroll Technology Provides Better Reliability In A Compact System Design Fit For Small
Refrigeration Applications To Be Used In Noise Sensitive Areas.
3
ReliabilityCompactness&Sound
• ZS*KA Scrolls use no reed vs. multiple suction
and discharge reeds in recips which are a
common failure point in compressors)
• 70% less moving parts as compared to a piston
hermetic
• Improved performance and reliability over time
• Better liquid handling capabilities
• Closing doors on display cabinets has reduced
the capacity required by almost half thus
requires smaller compressors
• Store formats are changing from centralized to
distributed
• More and more stores shifting to urban areas
with constrained spaces and noise restrictions
Light weight & Compact
Upto 10dBA sound reduction
with optional Soundshell
Multiple
design
options
Suitable for
<150 gm R290

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Technology
ZS*KA Solves Customer Pain By Allowing The Compressor To Be Run Within A Wider Envelope
And Hence Is Fit For All Locations
ApplicationLimitations
3
ZS*KA Piston Hermetic
0
10
20
30
40
50
60
70
-35 -30 -25 -20 -15 -10 -5 0 5 10 15
R404A Envelope @ 10KSH
• Scroll technology allows customers to run
application inside a much wider envelope
• The evaporating limits could be extended
upto -32 evap in certain cases
• Low condensing limit of 30°C limits system
usage in cold climates
• No starting components required for single
phase compressors
• Multiple design options for footprint, IP
protection etc.
Compressor Envelope
Accessories

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0
10
20
30
40
50
0
5
10
15
20
25
30
35
40
45
50
New ZS*KA Refrigeration Scroll
3 Phase Development Plan
A Three Phase Development Plan To Address The Immediate Need Of
Customers Looking For Viable Compressors Solutions To Comply To Market
Requirements
New
New
Future
New
New
New
New
New
New
Future
Liquid injection
New
New
New
New
New
New
New
New
New
New
Vapour Injection
Displacementm3/h
1
ZS*KA Phase I
• Launched In March 2016
• 3 MT Scroll Models from 2 to 3 KW
• COP +30% vs Hermetic piston
ZS*KA Phase II
• Launch Plan End of 2017
• New Small Scroll range till 0.75HP
• 3 new models from 1KW - 2 KW
ZF*KA Phase III
• Launch Plan End of 2017
• New Small Scroll LT Range with LI
• 4 Models from 0.6 to 1.8 KW
1 32
1
2 3
Displacementm3/h

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Thank You For Your Attention !
Abhinav.Barnwal@emerson.com

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Chillventa Specialist Forums 2016
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