Applying to sanitary hot water or heating T3 High-temperature compressor R407C Two speed fan Electronic expansion valve

Product Features:

1.Applied range:sanitary hot water or 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(according to choice).15.Water flow protection control.16.Automatic prevent freezing function in the winter.17.Automatic defrosting.18.Failure diagnosing function.19.Modular design,units combine freely(according to choice).

  

Technical Specifications:

Model			KFRS-18J2A	KFRS-22J2A
Power supply(V/Ph/Hz)			380/3/50
Heating capacity		kW	18	22
Rated power input		kW	4.2	4.9
COP		W/W	4.3	4.5
Hot water output		L/h	390	480
Water flow		m3/h	3.4	4.1
Hot water temperature		°C	20~55
Compressor type			Scroll
Refrigerant			R407C
Noise		dB(A)	58	59
Net weight		kg	120	150
Unit dimensions(L×W×H)		mm	755×755×980
Packing dimensions(L×W×H)		mm	780×780×1020
Stacking layers		layer	2	2
Water pipe connector		mm	DN25(1")	DN25(1")
Ambient condition		°C	-10~43
Water side exchanger			Tube in tube	Tube in shell
Water flow switch			accessory	accessory
1. Water heater rated test conditions: Ambient temp.(DB/WB): 20°C/15°C,Initial water temp. 15°C,temp rise 40°C.
Remarks:Flexible range with other various power supply available according to the client's requirement.

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