The product may have some questions during use, and we have compiled some precautions for 2.5 hp low temp condensing unit use to guide customers in their usage and installation.

What should be noted when adding refrigerant?

(1) Fill refrigerant from the high-pressure side after vacuuming.

(2) If the refrigerant is insufficient, charge gaseous refrigerant from the low-pressure side during system operation. If the system lacks refrigerant, the temperature switch or compressor motor thermostat will automatically reset. After 15 minutes of refrigerant charging, the system must run for at least 1 minute.

(3) Add refrigerant until there are no bubbles in the observation window, and it should not exceed the maximum amount. When the refrigerant charge is large, a receiver is required.

(4) The evaporator must be within the maximum refrigerant range. If the refrigerant charge of R404A is insufficient, then the liquid injection amount is insufficient; If overcharged, the oil will be diluted, causing damage to the sliding surface and compression of the liquid. In order to charge correctly, it is necessary to use a mirror for confirmation.

What Should be Pay Attention To When Electric Wiring?

(1) Please use a dedicated circuit! (Do not share with other products)

(2) Please install the grounding wire!

(3) Please install a leakage protector (leakage relay cannot protect)

(4) Do not allow wires to come into contact with high-temperature components (compressors, condensers, discharge pipes) and metal edges.

Condensing Unit Model			GF-HS10EL	GF-HS15EL	GF-HS20EL	GF-HS25EL	GF-HS30EL	GF-HS20FL	GF-HS30FL
Rated Power(W)			800	1120	1980	2350	2680	1980	2680
Power Capacity (HP)			1HP	1.5HP	2HP	2.5HP	3HP	2HP	3HP
Power Supply			220V/50Hz					380V/50Hz
Refrigerant (Max/kg)			R404A(1.2)	R404A(1.4)	R404A(3.0)
Start-up Current (A)			25	37	50	50	60	27	27
Maximum Working Current(A)			4.3	6.5	8.6	9.5	12.7	3.2	4.7
Evaporating Temp Range(°C)			-45〜-5
Ambient Temp Range(°C)			-7〜43
Compressor Model			C-RHN75E4A	C-RHN110E4A	C-3RH322L4AAL	C-3RH322L4AAL	C-3RH463L4AAL	C-RHN153L8A	C-RHN223L8A
Pressure Controller			无	P830HM
Accumulator Volume (L)			0.8
Gas-liquid Separator Volume (L)			0.65		1.2
Condenser	Spec (RRL mm)		44.5540	54.5630	54.5900	54.5995	64.51060	54.5900	64.51060
	Fan Motor	Motor Output Power/Qty(W)	16*2	16*2	16*3	16*3	16*3	16*3	16*3
		Fan Diameter (mm)	Φ230*2	Φ230*2	Φ230*3	Φ230*3	Φ230*3	Φ230*3	Φ230*3
		Air volume(m³/hr)	820*2	820*2	820*3	820*3	820*3	820*3	820*3
Pipe (mm)(inch)	Suction OD		12.7(1/2'')
Pipe (mm)(inch)	Liquid Outlet OD		9.53(3/8'')
External Dimension(mm)	L ± 2		680	790	1050	1145	1210	1050	1210
	W ± 2		485	485	540	540	570	540	570
	H ± 4		261	261	263	263	263	263	263
Pitch of holes Φ9--LW(mmmm)			660*465	770*465	1030*520	1125*520	1190*550	1030*520	1190*550
Cooling Capacity(W)	Evap Temp (°C)		Ambient Temperature 32°C
	-40		505	840	1260	1425	1620	1260	1620
	-35		655	1090	1580	1790	2080	1580	2080
	-30		810	1190	1890	2140	2630	1890	2630
	-25		975	1545	2310	2615	3320	2310	3320
	-20		1190	1865	2730	3090	3955	2730	3955
	-15		1430	2100	3095	3505	4540	3095	4540
	-10		1795	2426	3680	4170	5485	3680	5485
	-5		2135	2790	4100	4645	6485	4100	6485
Wiring	Leakage Protector	Rated current(A)	10	15	25	25	30	10	15
	Leakage Protector	Action Current(mA)	30
	Wire Dia (m²)	10m	2.0	2.0	4.0	4.0	5.0	2.0	2.0
		20m	2.0	3.5	6.0	6.0	6.0	2.0	3.5
		30m	3.5	3.5	6.0	6.0	6.0	3.5	3.5

Code	Test Condition	Ambient Temp(°C)	Suction Temp(°C)	Evap Temp (°C)	Test Power Supply
①	Standard	32.2	5	-23.3	1PH 50Hz 220V/3PH 50HZ 380V
②	Maximum	43	5	-23.3	1PH 50Hz 220V/3PH 50HZ 380V

1. The refrigerant filling amount should be controlled as much as possible, and should not exceed the values in the table at most
2. The diameter of the suction pipe and evaporator should be determined after considering the return oil and confirming the gas flow rate again
3. When selecting the diameter of the connecting pipeline, special attention should be paid to ensuring that the gas flow velocity reaches 3.8m/s or more in the horizontal pipe and 7.6m/s or more in the vertical pipe
4. The length of the single-sided pipe should be below 10 meters, and the height difference should be below 3 meters at this time

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2.5 Hp Low Temp Condensing Unit

What should be noted when adding refrigerant?

What Should be Pay Attention To When Electric Wiring?