Zingfa QL-52 hermetic compressor
2.5 HP single-phase piston compressor for R448A, R449A, R452A and R404A. Also listed as Xingfa QL-52 and Ankang QL-52.
- Rated at −23.3 °C evaporating, +54.5 °C condensing
- 2,189 W
- Single-phase
- 2.5 HP
- POE, 1,500 mL
- R404A
Specifications from the datasheet
General
- Rated refrigerant
- R404A
- Nominal power
- 2.5 HP
- Displacement
- 52 cc
- Oil
- POE, 32 cSt
- Oil charge
- 1,500 mL
- Rated speed
- 2,900 rpm
- IP class
- IP21
Rated performance
- Cooling capacity
- 2,189 W / 7,460 BTU/h
- Input power
- 1,380 W
- COP
- 1.6 W/W
- Rated run current
- 6.8 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
- Single-phase
- Motor poles
- 2
- Power supply, 50 Hz
- 220-240 V ~ 50 Hz
- Power supply, 60 Hz
- 208-230 V ~ 60 Hz
- Run winding at 25 °C
- 1.01 Ω
- Start winding at 25 °C
- 2.88 Ω
- Start capacitor
- 156-186 µF / 330 V
- Run capacitor
- 35 µF / 450 V
- Potential relay
- 4G3D
- Locked rotor current
- 63 A
- Insulation class
- F
Connections
- Suction
- 1 1/4"-12 UNF
- Discharge
- 1"-14 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 | 1,218 | No value published | No value published | No value published | No value published | No value published | No value published |
| −35 °C | 1,830 | 1,714 | 1,481 | No value published | No value published | No value published | No value published |
| −30 °C | 2,546 | 2,415 | 2,153 | 1,890 | 1,758 | 1,496 | No value published |
| −25 °C | 3,374 | 3,225 | 2,926 | 2,627 | 2,479 | 2,185 | 1,898 |
| −20 °C | 4,326 | 4,155 | 3,811 | 3,470 | 3,300 | 2,967 | 2,648 |
| −15 °C | 5,413 | 5,215 | 4,820 | 4,428 | 4,235 | 3,857 | 3,499 |
| Evaporating / Condensing | 30 °C | 35 °C | 40 °C | 45 °C | 50 °C | 55 °C | 60 °C |
|---|---|---|---|---|---|---|---|
| −40 °C | 929 | No value published | No value published | No value published | No value published | No value published | No value published |
| −35 °C | 1,175 | 1,160 | 1,125 | No value published | No value published | No value published | No value published |
| −30 °C | 1,415 | 1,409 | 1,397 | 1,380 | 1,368 | 1,329 | No value published |
| −25 °C | 1,650 | 1,652 | 1,661 | 1,672 | 1,675 | 1,674 | 1,656 |
| −20 °C | 1,883 | 1,891 | 1,919 | 1,955 | 1,973 | 2,007 | 2,031 |
| −15 °C | 2,116 | 2,130 | 2,174 | 2,232 | 2,265 | 2,331 | 2,394 |