Gaku Shimada, Panasonic

2. Reliable CO2 Unit for MT/LT under High ambient
Gaku Shimada
Cold-Chain Business Division
Appliances Company, Panasonic Corporation

3. AGENDA
1. Feature of Panasonic New TCO2 Unit
2. History and Ambitions

4. 100% Dedicated Condensing outdoor unit
• High seasonal Energy Savings
• Trusted quality with 2-stage rotary compressor
• Panasonic Patented Split Cycle
• Low noise levels
• Light weight and compact
• Low installation cost
Why Panasonic?

5. Why Panasonic?
HIGH
EFFICIENCY
2-STAGE ROTARY
COMPRESSORS
SPLIT CYCLE**
IN REFRIGERATION CURCUIT
RELIABLE
QUALITY
• Panasonic 2-stage rotary compressor with 5 years warranty
• Anti corrosion coating option to meet the needs per locations
Max. COP 3,83* achieved tanks to the combined technology by Panasonic
• Panasonic patent!
• Max. +50% more efficient than STD cycle
Manufactured by
Panasonic
*For 2HP model
**The split cycle is a mechanism to increase the refrigeration efficiency It is possible to operate the refrigerator with high performance and high efficiency even in a summer operating environment where the temperature is a 30 ° C. or higher.

6. What’s New of 10HP MT/LT Series
Both MT and LT options
Up-scaled tank from 7L to 12L
Heat Recovery function available
MT (Medium Temperature) operation for refrigeration
up to 16,0kW
LT (Low Temperature) operation up for Freezer
up to 8,0kW
INSTALLER
FRIENDLY
Wider tolerance
for the optimum charge.
This function offers refrigeration together with
heating in one system.
Its a ground breaking function giving a great
opportunity to cut running costs by utilizing
exhausted heat from refrigeration to the energy
source for heating.
COST
SAVING
MT
16kW
LT
7.5kW
Heat
Recovery

7. What’s Heat Recovery with refrigeration?
Heat Recovery function offers refrigeration together with heating
as a support to other heating system
NEW!! : Refrigeration system + Heating system
WHE
MT (or LT)
Cut
COST
SAVING

8. Performance Confirmed by the Third Party
Video will soon be available in Youtube !
Panasonic Unit was tested for Cooling, Heat
Recovery, and Operation at -30C Ambient
Various tests by the third party
Date : July - August 2019
Tested Unit : Panasonic OCU-1000VF8A

9. Target Application
Applica
tion
SMALL SUPER
MARKET
GAS STATION
FAST FOOD
CHAIN
RESTAURANT
Produc
ts
Showcase, Walk-in
cooler
Showcase, Walk-in
cooler
Showcase, Cold Storage
Image
LT / MT
MT
LT / MT
LT / MT
HR
etc : DHW use at kitchen
*
MT
LT / MT

10. 200 UNITS
JAPAN
Y2011, starts in Japan with various climate zones
(Temperate, Cold Temperate, Subtropical)
From Hokkaido to Okinawa

11. JAPAN
8,500 UNITS
30 UNITS
Y2017, starts expansion to Asia and N. Europe
100 UNITS

12. 30 UNITS
9,000 UNITS
JAPAN
OCEANIA
10 UNITS
100 UNITS
Y2018, rapid growth in Europe and expansion to AU
300 UNITS

13. OCEANIA
10 UNITS
30 UNITS
JAPAN
Y2019, continue the rapid growth!
100 UNITS300 UNITS600 UNITS
30 UNITS
10,000 UNITS
Survived Heat Wave!

14. Commissioning Supporting Tools
Various kinds of Supporting Tools are available!
□ CO2 Charge calculation,
□ Pipe selection,
□ Evaporator Selection,
□ Modbus connection, etc..
Package Solution 2
Panasonic offers a complete solution. Easy installation and reliability is
key to success. In the supermarket business a very high level of
equipment is required to secure the food storage. The Package
Solution includes a condensing unit, a panel with preprogrammed
controller, expansion valve and all required sensors.
Package Solution.
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Evaporator Selection 2
Evaporator shall be selected by Installer, according to
applications, climates, capacity, etc… There are so many choices.
But, capacity can not exceed the CO2 OCU capacity, of course.
Unit capacity can checked by manual but also calculated by excel
<CO2 Capacity Panasonic 2018.xlsx>
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C ooling C apacity = f (x,y)
Sim ulated
C ooling C apacity M AX speed
Sim ulated
C ooling C apacity @ m inim um speed
Eva.Tem p.shallbe in the range -20 to -5C
7.9
X:Eva tem p Y:Am bient
-5 32 15.8
How to use “Easy Selection Table” 3/4 6
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【Suction Line】 【Liquid Line】
5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ 5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ
1,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
1,500 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1,500 1/4 1/4 1/4 1/4 1/4 3/8 3/8
2,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8 2,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
3,000 3/8 3/8 3/8 3/8 3/8 1/2 1/2 3,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8
4,500 3/8 1/2 1/2 1/2 1/2 1/2 5/8 4,500 3/8 3/8 3/8 3/8 3/8 1/2 1/2
6,000 1/2 1/2 1/2 1/2 5/8 5/8 5/8 6,000 3/8 3/8 1/2 1/2 1/2 1/2 1/2
9,000 1/2 1/2 5/8 5/8 5/8 3/4 3/4 9,000 3/8 1/2 1/2 1/2 1/2 5/8 5/8
12,000 1/2 5/8 5/8 5/8 3/4 3/4 7/8 12,000 1/2 1/2 5/8 5/8 3/4 3/4 3/4
15,000 1/2 5/8 3/4 3/4 7/8 7/8 7/8 15,000 1/2 1/2 5/8 3/4 3/4 3/4 3/4
【Suction Line】 【Liquid Line】
5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ 5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ
1,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
1,500 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1,500 1/4 1/4 1/4 1/4 1/4 3/8 3/8
2,000 3/8 3/8 3/8 3/8 1/2 1/2 1/2 2,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
3,000 3/8 3/8 1/2 1/2 1/2 5/8 5/8 3,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8
4,500 1/2 1/2 1/2 1/2 5/8 3/4 3/4 4,500 3/8 3/8 3/8 3/8 3/8 1/2 1/2
6,000 1/2 5/8 5/8 5/8 3/4 3/4 3/4 6,000 3/8 3/8 1/2 1/2 1/2 1/2 1/2
9,000 5/8 5/8 3/4 3/4 3/4 7/8 7/8 9,000 3/8 1/2 1/2 1/2 1/2 5/8 5/8
12,000 5/8 5/8 3/4 3/4 7/8 7/8 7/8 12,000 1/2 1/2 5/8 5/8 3/4 3/4 3/4
【Suction Line】 【Liquid Line】
5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ 5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ
1,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
1,500 3/8 3/8 3/8 3/8 1/2 1/2 1/2 1,500 1/4 1/4 1/4 1/4 1/4 3/8 3/8
2,000 3/8 3/8 3/8 1/2 1/2 1/2 1/2 2,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
3,000 1/2 1/2 1/2 1/2 5/8 5/8 5/8 3,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8
4,500 1/2 5/8 5/8 5/8 5/8 3/4 3/4 4,500 3/8 3/8 3/8 3/8 3/8 1/2 1/2
6,000 5/8 5/8 5/8 5/8 3/4 3/4 7/8 6,000 3/8 3/8 1/2 1/2 1/2 1/2 1/2
9,000 5/8 5/8 3/4 3/4 7/8 7/8 8/8 9,000 3/8 1/2 1/2 1/2 1/2 5/8 5/8
【Suction Line】 【Liquid Line】
5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ 5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ
1,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
1,500 3/8 3/8 3/8 3/8 1/2 1/2 1/2 1,500 1/4 1/4 1/4 1/4 1/4 3/8 3/8
2,000 3/8 3/8 3/8 1/2 1/2 1/2 1/2 2,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
3,000 1/2 1/2 1/2 1/2 5/8 5/8 3/4 3,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8
4,000 1/2 1/2 1/2 5/8 5/8 5/8 3/4 4,000 3/8 3/8 3/8 3/8 3/8 1/2 1/2
5,500 5/8 5/8 5/8 5/8 3/4 3/4 3/4 5,500 1/2 1/2 1/2 1/2 1/2 1/2 1/2
7,000 5/8 5/8 5/8 3/4 3/4 3/4 7/8 7,000 1/2 1/2 1/2 1/2 1/2 1/2 5/8
【Suction Line】 【Liquid Line】
5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ 5ｍ 10ｍ 20ｍ 40ｍ 60ｍ 80ｍ 100ｍ
1,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8 1,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
1,500 3/8 3/8 3/8 3/8 1/2 1/2 1/2 1,500 1/4 1/4 1/4 1/4 1/4 3/8 3/8
2,000 3/8 3/8 3/8 1/2 1/2 1/2 1/2 2,000 1/4 1/4 1/4 1/4 1/4 3/8 3/8
3,000 1/2 1/2 1/2 1/2 5/8 5/8 3/4 3,000 3/8 3/8 3/8 3/8 3/8 3/8 3/8
4,000 1/2 1/2 1/2 5/8 5/8 5/8 3/4 4,000 3/8 3/8 3/8 3/8 3/8 1/2 1/2
5,500 5/8 5/8 5/8 5/8 3/4 3/4 3/4 5,500 1/2 1/2 1/2 1/2 1/2 1/2 1/2
7,000 5/8 5/8 5/8 3/4 3/4 3/4 7/8 7,000 1/2 1/2 1/2 1/2 1/2 1/2 5/8
The pipe diameter suggested above are for horizontal pipings.
If the suction pipe is installed for vertical location, smaller diameter shall be considered to keep the flow speed more than 7.6 m/s.
Capacity
(W)
Evaporating Temp. -30℃ Capacity
(W)
Evaporating Temp. -30℃
Capacity
(W)
Evaporating Temp. -45℃ Capacity
(W)
Evaporating Temp. -45℃
Capacity
(W)
Evaporating Temp. -5℃ Capacity
(W)
Evaporating Temp. -5℃
Capacity
(W)
Capacity
(W)
Capacity
(W)
Evaporating Temp. -20℃ Capacity
(W)
Evaporating Temp. -20℃
Evaporating Temp. -10℃ Evaporating Temp. -10℃
Charge Calculation 4
For 2HP unit, accurate charge amount is important.
Please use Panasonic excel to calculate the charge
<CO2 charge 4kW ver6.3.xlsx>
Condensing unit model
Evaporator volume 2
L
Evaporating temperature -28
°C
Liquid pipe size 1/4
inch
Liquid pipe length 10
m
Gas pipe size 1/2
inch
Gas pipe length 10
m
Oil return
Expected MAX Temp. in Summer (35 ~ 40) 40
°C
The value is the target. +/-50g is acceptable.
Total CO2 base charge = 1570 g
Calculation of CO2 charge
OCU-CR200VF5(SL) 4kW unit (2HP)
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Charge Calculation 8
For 10HP unit, accurate charge amount is important.
Please use Panasonic excel to calculate the charge
<CO2 charge 15kW beta version.xlsx>
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Condensing unit model
Evaporators #1 #2 #3 #4 #5 #6 #7 SUM / Lowest
Evaporator volumen (L)
7 4 5 16
Evaporating temp. (°C) -10 -8 -10 -10
Liquid pipe size (inch) 1/4 3/8 1/2 5/8 3/4 7/8 1/1 SUM
Liquid pipe size (mm) 6.35 9.52 12.7 15.88 19.05 22.22 25.4
Liquid pipe length (m) 30 25 18 73.0
Liquid pipe Volume (L) 0.6 1.2 2.7 4.5
Gas pipe size (inch) 1/4 3/8 1/2 5/8 3/4 7/8 1/1 SUM
Liquid pipe size (mm) 6.35 9.52 12.7 15.88 19.05 22.22 25.4
Gas pipe length (m) 30 25 18 73.0
Gas pipe Volume (L) 1.5 2.4 3.8 7.7
15.1Total CO2 base charge = kg
OCU-CR1000VF8(SL)
Calculation of CO2 charge