Zingfa QL3-145 hermetic compressor
8 HP three-phase piston compressor for R448A, R449A, R452A and R404A. Also listed as Xingfa QL3-145 and Ankang QL3-145.
- Rated at −23.3 °C evaporating, +54.5 °C condensing
- 5,980 W
- Three-phase
- 8 HP
- POE, 2,000 mL
- R404A
Specifications from the datasheet
General
- Rated refrigerant
- R404A
- Nominal power
- 8 HP
- Displacement
- 145 cc
- Oil
- POE, 32 cSt
- Oil charge
- 2,000 mL
- Rated speed
- 2,850 rpm
- IP class
- IP21
Rated performance
- Cooling capacity
- 5,980 W / 20,392 BTU/h
- Input power
- 3,960 W
- COP
- 1.51 W/W
- Rated run current
- 7.5 A
- Sound power
- ≤ 62 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 | 4,493 | No value published | No value published | No value published | No value published | No value published | No value published |
| −35 °C | 5,539 | 5,243 | 4,567 | No value published | No value published | No value published | No value published |
| −30 °C | 7,205 | 6,871 | 6,129 | 5,331 | 4,925 | 4,133 | No value published |
| −25 °C | 9,491 | 9,089 | 8,219 | 7,302 | 6,841 | 5,941 | 5,099 |
| −20 °C | 12,402 | 11,900 | 10,838 | 9,743 | 9,198 | 8,135 | 7,139 |
| −15 °C | 15,942 | 15,307 | 13,991 | 12,657 | 11,997 | 10,716 | 9,512 |
| Evaporating / Condensing | 30 °C | 35 °C | 40 °C | 45 °C | 50 °C | 55 °C | 60 °C |
|---|---|---|---|---|---|---|---|
| −40 °C | 3,076 | No value published | No value published | No value published | No value published | No value published | No value published |
| −35 °C | 3,292 | 3,175 | 2,948 | No value published | No value published | No value published | No value published |
| −30 °C | 3,580 | 3,515 | 3,394 | 3,275 | 3,218 | 3,103 | No value published |
| −25 °C | 3,940 | 3,926 | 3,903 | 3,883 | 3,875 | 3,857 | 3,839 |
| −20 °C | 4,374 | 4,406 | 4,475 | 4,549 | 4,587 | 4,661 | 4,734 |
| −15 °C | 4,881 | 4,957 | 5,113 | 5,272 | 5,354 | 5,515 | 5,673 |