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Heat Pump

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  • Features
  • Technical Data
  • Application
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  • Part List
1. Applied range:sanitary hot water,floor heating.
2. High-temperature compressor (T3 condition).
3. Eco-friendly refrigerant: R407C.
4. Two speed fan motor:further improve unit operation under high ambient temp. 
5. Electronic expansion valve regulates the flow of refrigerant precisely.
6. Heat-exchanger cycle technology to further improve operation under low ambient temperature.
7. Air exchanger(Fins-coil) with hydrophilic coating.
8. Galvanized plate shell, powder coating.
9. LCD display wire controller.
10. Can set the operating time freely. 
11. Unit runs or stop automatically according to water temperature.
12. Can control the auxiliary heating (e.g. electric heating).
13. With hot water return control, to keep the water warm in supplying pipe.
14. Water Level Display and can be set freely(for option).
15. Available in combination with the solar collector and control automatically, saving more energy.
16. Water flow protection control.
17. Automatic prevent freezing function in the winter.
18. Automatic defrosting.
19. Failure diagnosing function.
20. Modular design,units combine freely.

Model

KFRS-11J1

KFRS-18J1

KFRS-18J2M

KFRS-22J2M

KFRS-36J2

KFRS-72J2

KFRS-90J2

Power supply(V/Ph/Hz)

220-240/1/50

380/3/50

Hot water

Heating capacity

kW

11

18

18

22

36

72

90

Rated power input

kW

2.6

4.2

4.2

4.9

8.2

16.8

22

COP

W/W

4.2

4.3

4.3

4.5

4.4

4.3

4.1

Hot water output

L/h

236

390

390

480

770

1550

1930

Floor heating

Heating capacity

kW

8.5

14

14

17.5

28

58

72

Rated power input

kW

2.2

3.6

3.6

4.6

7.4

15.6

20

COP

W/W

3.8

3.9

3.9

3.8

3.8

3.7

3.6

Water flow

m3/h

2.1

3.4

3.4

4.1

6.8

13.5

17

Hot water temperature

20~55

Compressor type

 

Rotary

Scroll

Refrigerant

 

R407C

Noise   

dB(A)

58

58

58

59

64

66

66

Net weight

kg

97

126

126

150

300

700

730

Unit dimensions(L×W×H)

mm

960×340×1260

1390×740×1640

2025×1030×1995

Packing dimensions(L×W×H)

mm

1100×480×1350

1490×790×1800

2130×1075×2080

Stacking layers

layer

1

1

1

1

1

1

1

Water pipe connector

mm

DN25(1")

DN25(1")

DN25(1")

DN25(1")

DN40(1-1/2")

DN65(2-1/2")

DN65(2-1/2")

Ambient condition

-10~43

Water side exchanger

 

Tube in tube

Tube in tube

Tube in tube

Tube in shell

Tube in tube

Tube in tube

Tube in tube

Water flow switch

 

accessory

accessory

accessory

accessory

build in

build in

build in

Picture of appearance

 

Picture 1

Picture 2

Picture 3

Picture 3

Auxiliary heating control function

 

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Water return control function

 

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Water level control function

 

No

No

Yes

Yes

Yes

Yes

Yes

Water level display function

 

No

No

Yes

Yes

Yes

Yes

Yes

Modular control function

 

No

No

Yes

Yes

Yes

Yes

Yes

1. Water heater rated test conditions: Ambient  temp.(DB/WB): 20℃/15℃,Initial water temp. 15℃,temp rise 40℃.
2. Floor heating rated test conditions:Ambient  temp.(DB/WB): 7℃/6℃,Water temp.(In/Out):30℃/35℃.

 

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