Zingfa QR3-35 hermetic compressor
1.5 HP three-phase piston compressor for R448A, R449A, R452A and R404A. Also listed as Xingfa QR3-35 and Ankang QR3-35.
- Rated at +7.2 °C evaporating, +54.5 °C condensing
- 5,030 W
- Three-phase
- 1.5 HP
- POE, 500 mL
- R404A
Specifications from the datasheet
General
- Rated refrigerant
- R404A
- Nominal power
- 1.5 HP
- Displacement
- 34.45 cc
- Oil
- POE, 32 cSt
- Oil charge
- 500 mL
- Rated speed
- 2,900 rpm
- IP class
- IP21
Rated performance
- Cooling capacity
- 5,030 W / 17,150 BTU/h
- Input power
- 2,100 W
- COP
- 2.4 W/W
- Rated run current
- 4.3 A
- Sound power
- ≤ 60 dB(A)
- Evaporating temperature
- +7.2 °C
- Condensing temperature
- +54.5 °C
- Suction temperature
- +35 °C
- Liquid subcooling
- 8.3 K
- Ambient temperature
- +35 °C
Electrical
- Motor
- Three-phase
- Motor poles
- 2
- Power supply, 50 Hz
- 380-400 V 3~ 50 Hz
- Winding resistance at 25 °C
- 8.5 Ω
- Locked rotor current
- 23 A
- Insulation class
- F
Connections
- Suction
- 1"-14 UNF
- Discharge
- Ø10
- Process tube
- Ø7
Operating limits
- Tightness test pressure
- 2.2 MPa
- High side max running pressure
- 3.2 MPa
- Low side max running pressure
- 2 MPa
- Discharge temperature limit
- ≤ 125 °C
- Protection
- Internal motor protector, internal pressure relief
Performance at 50 Hz by duty point
R404A values from the manufacturer datasheet, with 35 °C return gas and 8.3 K subcooling. Rated values above can differ from these tables.
| Evaporating / Condensing | 30 °C | 35 °C | 40 °C | 45 °C | 50 °C | 55 °C | 60 °C |
|---|---|---|---|---|---|---|---|
| −20 °C | 2,438 | 2,317 | No value published | No value published | No value published | No value published | No value published |
| −15 °C | 3,201 | 3,062 | 2,773 | 2,476 | No value published | No value published | No value published |
| −10 °C | 4,093 | 3,928 | 3,585 | 3,230 | 3,049 | 2,685 | No value published |
| −5 °C | 5,137 | 4,937 | 4,523 | 4,094 | 3,875 | 3,433 | 2,994 |
| 0 °C | 6,354 | 6,112 | 5,612 | 5,092 | 4,828 | 4,292 | 3,758 |
| 5 °C | 7,769 | 7,477 | 6,875 | 6,251 | 5,933 | 5,289 | 4,647 |
| 10 °C | 9,404 | 9,056 | 8,339 | 7,597 | 7,219 | 6,455 | 5,694 |
| Evaporating / Condensing | 30 °C | 35 °C | 40 °C | 45 °C | 50 °C | 55 °C | 60 °C |
|---|---|---|---|---|---|---|---|
| −20 °C | 1,226 | 1,246 | No value published | No value published | No value published | No value published | No value published |
| −15 °C | 1,344 | 1,372 | 1,422 | 1,464 | No value published | No value published | No value published |
| −10 °C | 1,460 | 1,494 | 1,560 | 1,622 | 1,650 | 1,697 | No value published |
| −5 °C | 1,575 | 1,615 | 1,695 | 1,774 | 1,813 | 1,884 | 1,947 |
| 0 °C | 1,692 | 1,736 | 1,828 | 1,924 | 1,972 | 2,065 | 2,154 |
| 5 °C | 1,811 | 1,858 | 1,961 | 2,071 | 2,128 | 2,242 | 2,355 |
| 10 °C | 1,934 | 1,984 | 2,095 | 2,218 | 2,282 | 2,415 | 2,551 |