Closed Loop Water Source Heat Pump, 2.6kW-40kW Manufacturer

Closed Loop Water Source Heat Pump, 2.6kW-40kW

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Application

The closed loop water source heat pump is especially suitable for the construction of new buildings or the redevelopment of existing structures.

1. As for new buildings, the cooling water main pipe and preserved branch pipe of loop water source heat pump can be first installed. Developers can allocate, purchase and install heat pumps before residences move in the house according to the actual utilization, thus reducing the burden of initial investment.
2. Special heat preservation cooling water pipes are not needed. It has a wide application in supermarkets, hospitals, office buildings, hotels, complex buildings, commercial buildings and so forth.

Parameters of closed loop water source heat pump

Water-water type closed loop water source heat pump

Model		SS/SR	75	100	120	145	200	250
Nominal cooling capacity		kw	7.5	10	12	14.5	19.5	25
Nominal heating capacity		kw	8.9	12	15	17.5	23	29
Nominal cooling input power		kw	1.9	2.52	3	3.65	4.8	6.2
Nominal heating input power		kw	2.1	2.9	3.6	4.1	5.4	6.8
Nominal cooling running current		A	8.6	11.5	13.6	6.9	9.1	11.8
Nominal heating running current		A	9.5	13.2	16.4	8	10.5	13.3
Power			220V/1N/50Hz			380v/3N/50Hz
Type of compressor			Rotary type	Scroll type
No. of compressor		unit	1
Type of refrigerant			R22
Dimension（L×W×H）	mm		935×435×525	970×436×550	884×473×812	884×473×812	884×473×812	1415×820×1060
Water flow at the heat source side	m3/h		1.6	2.2	2.6	3.1	4.2	5.4
Tube dimension at the heat source side	DN		25				32
Water resistance at the heat source	kpa		28	28	31	34	34	45
Water flow at the operation side	m3/h		1.29	1.72	2.06	2.49	3.3.5	4.3
Tube dimension at the operation side	DN		25				32
Water resistance at operation side	Kpa		26	27	29	33	33	33
Noise	DB(A)		50	54	54	56	58	58
Weight	kg		85	100	105	120	150	250
Power line diameter options			3×2.5	3×4		3×4 2×1.5		3×4 2×1.5

Holistic underground closed loop heat pump units

Models		SFG/SFGR	26	35	45	58	72
Nominal cooling capacity		kw	2.6	3.5	4.5	5.8	7.2
Nominal heating capacity		kw	2.48	3.2	4.1	5.3	6.6
Nominal cooling input power		kw	0.6	0.78	1.06	1.38	1.72
Nominal heating input power		kw	0.58	0.76	1.01	1.26	1.59
Nominal cooling running current		A	2.9	3.7	5.1	6.6	8.2
Nominal heating running current		A	2.8	3.6	4.8	6	7.6
Power			220V/1N/50Hz
Type of compressor			Rotary type
Compressor Qty.	Unit		1
Dimension（L×W×H）	mm		1060×500×360		1050×500×420		1100×560×486
Weight	kg		60	65	75	85	100
Water volume	m3/h		0.55	0.74	0.96	1.23	1.53
Cooling pipe diameter	DN		20				25
Condensate pipe diameter	DN		20
Refrigerant charging volume	kg		0.6	0.8	0	1.1	1.25

Split underground closed loop heat pump units

Models		Indoor unit	SFRFN	26	35		45	58	72	86	105	126	146
Models		Outdoor unit	SFRFW	26	35		45	58	72	86	105	126	146
Nominal cooling capacity			kw	2.6	3.5		4.5	5.8	7.2	8.6	10.5	12.6	14.6
Nominal heating capacity			kw	3	3.95		5.1	6.48	8.1	9.4	11.4	13.6	15.8
Nominal cooling input power			KW	0.59	0.82		1.02	1.35	1.66	1.94	2.51	3.02	3.47
Nominal heating input power			KW	0.63	0.85		1.1	1.45	1.74	2.03	2.71	3.24	3.7
Nominal cooling running current			A	2.7	3.9		4.9	6.5	7.8	9.3	3.9	4.7	5.4
Nominal heating running current			A	3	4		5.2	6.9	8.2	9.7	4.2	5	5.7
Type of compressor				Rotary type							Scroll type
Compressor Qty.			Unit	1							1
Power				220V/1N/50Hz							380V/3N/50Hz
Circulating air volume of indoor unit			m3/h	500		700	910	1190	1480	1760	2150	2570	3010
Excess pressure			Pa	12（8）		20（12）			30（20）			50（30）
Sound level	Indoor unit		dB（A）	35		35	37	37	40	41	42	42	42
Sound level	Outdoor unit		dB（A）	30		31	32	32	35	36	36	38	38
Dimension			mm	855		1005	1125	1355	1605	1750	2006	2065	2065
（L×W×H）	Indoor unit		mm	475		475	475	475	475	475	475	490	490
			mm	237		237	237	237	237	237	237	287	287
			mm	550		550	590	550	635	635	695	720	720
	Outdoor unit		mm	430		430	430	490	520	520	520	580	580
			mm	385		385	385	420	510	510	535	535	535
	Indoor unit		kg	18		22	26	30	34	36	40	50	55
Weight	Outdoor unit		kg	34		35	40	48	66	68	90	90	100
Water flow			m3/h	0.55		0.74	0.95	1.23	1.52	1.81	2.24	2.69	3.11
Water resistance			kpa	18		22	30	35	35	35	35	38	38
Joint pipe dimension（Outer diameter×tube thickness）	Fluid pipe		mm	Φ6×0.75					Φ9.52×0.75			Φ12.7×0.75
Joint pipe dimension（Outer diameter×tube thickness）	Air pipe		mm	Φ9.52×0.75			Φ12.7×0.75		Φ16×1.0		Φ19×1.0
Cooling water tube diameter			DN	20						25		32
Condensate water tube diameter			DN	20
Charging quantity of refrigerant			kg	0.65	0.84		0.95	1.1	1.5	1.8	2.1	2.3	2.8

Features of closed loop water source heat pump

High efficiency and energy saving. The compressor adopts rotary type or scroll type. Cooling water heat exchanger adopts heat exchanging copper tubes. The COP value of water source air conditioner is 4.2-5.5, minimizing power consumption.
A centralized primary machine room is not needed. The closed loop water source heat pump central air conditioning system is composed of several small systems. Each room is an independent cooling systems. There is no need to set up machine rooms and pump rooms independently.
The adoption of modular units prevents the whole system from being affected by the breakdown of one unit.
Convenient billing system. Then the air conditioning system is applied for rental properties such as apartments, office buildings and shops, each user unit can independently be equipped with an electric meter and thus charged independently.