Zingfa QL3-134 hermetic compressor
7 HP three-phase piston compressor for R448A, R449A, R452A and R404A. Also listed as Xingfa QL3-134 and Ankang QL3-134.
- Rated at −23.3 °C evaporating, +54.5 °C condensing
- 5,520 W
- Three-phase
- 7 HP
- POE, 1,500 mL
- R404A
Specifications from the datasheet
General
- Rated refrigerant
- R404A
- Nominal power
- 7 HP
- Displacement
- 134.8 cc
- Oil
- POE, 32 cSt
- Oil charge
- 1,500 mL
- Rated speed
- 2,900 rpm
- IP class
- IP21
Rated performance
- Cooling capacity
- 5,520 W / 18,820 BTU/h
- Input power
- 3,620 W
- COP
- 1.52 W/W
- Rated run current
- 6.3 A
- Sound power
- ≤ 65 dB(A)
- Evaporating temperature
- −23.3 °C
- Condensing temperature
- +54.5 °C
- Suction temperature
- +32 °C
- Liquid subcooling
- 22.2 K
- Ambient temperature
- +32 °C
Electrical
- Motor
- Three-phase
- Motor poles
- 2
- Power supply, 50 Hz
- 380-400 V 3~ 50 Hz
- Power supply, 60 Hz
- 460 V 3~ 60 Hz
- Winding resistance at 25 °C
- 2.2 Ω
- Locked rotor current
- 68 A
- Insulation class
- F
Connections
- Suction
- 1 3/4"-12 UNF
- Discharge
- 1 1/4"-12 UNF
- Process tube
- Ø7 ±0.2 (ID), Ø10 (OD)
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 32 °C return gas and 0 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 |
|---|---|---|---|---|---|---|---|
| −40 °C | 4,177 | No value published | No value published | No value published | No value published | No value published | No value published |
| −35 °C | 5,149 | 4,874 | 4,246 | No value published | No value published | No value published | No value published |
| −30 °C | 6,698 | 6,388 | 5,698 | 4,956 | 4,579 | 3,842 | No value published |
| −25 °C | 8,823 | 8,450 | 7,641 | 6,788 | 6,360 | 5,523 | 4,740 |
| −20 °C | 11,530 | 11,063 | 10,076 | 9,058 | 8,551 | 7,563 | 6,637 |
| −15 °C | 14,821 | 14,230 | 13,007 | 11,767 | 11,153 | 9,962 | 8,843 |
| Evaporating / Condensing | 30 °C | 35 °C | 40 °C | 45 °C | 50 °C | 55 °C | 60 °C |
|---|---|---|---|---|---|---|---|
| −40 °C | 2,860 | No value published | No value published | No value published | No value published | No value published | No value published |
| −35 °C | 3,060 | 2,952 | 2,741 | No value published | No value published | No value published | No value published |
| −30 °C | 3,328 | 3,268 | 3,155 | 3,045 | 2,992 | 2,885 | No value published |
| −25 °C | 3,663 | 3,650 | 3,628 | 3,610 | 3,602 | 3,586 | 3,569 |
| −20 °C | 4,066 | 4,096 | 4,160 | 4,229 | 4,264 | 4,333 | 4,401 |
| −15 °C | 4,538 | 4,608 | 4,753 | 4,901 | 4,977 | 5,127 | 5,274 |