Refcomp SRC-S(W)-255 SRC-S-255-L4 R404A Semi-Hermetic Screw AC Compressor
Refcomp SRC-S-255 screw compressor
,Semi-hermetic R404A AC compressor
,SRC-S(W)-255 screw type compressor
RefComp's 5/6 asymmetric rotor profile supports smooth compression and reduces gas pulsation, helping the screw AC compressor operate with less vibration and noise.
A built-in multi-stage oil separator uses layered oil-mist filtration to reduce oil carryover, achieving a stated separation efficiency of 99.85% while maintaining internal lubrication.
The INT69 SNY protection module works with six series-connected PTC thermistors to monitor motor temperature and provide protection against overheating, reverse rotation and phase loss.
360° rotatable suction and discharge shut-off valves simplify piping connections and servicing. An internal discharge check valve helps prevent refrigerant backflow during shutdown.
| Parameter | Value |
|---|---|
| Model | SRC-S(W)-255 | SRC-S-255-L4 |
| Rated power | 80 HP / 60 kW |
| Exhaust volume 50/60 Hz | 286 / 343 m³/hr |
| Weight | 585 kg |
| Oil charge | 10 L |
| Cooling capacity regulation | 100%, 75%, 50%, 25% (stepless 100%–25%) |
| Standard motor | 400/3/50 Hz – 460/3/60 Hz |
| LRA Y/Δ | 193/580 A | 257/770 A |
Q1: How do I determine whether the SRC-S(W)-255 is suitable for my air conditioning system?
Provide the required cooling capacity, refrigerant, evaporating and condensing temperatures, and operating frequency. The SRC-S(W)-255 has a displacement of 286 m³/h at 50 Hz and 343 m³/h at 60 Hz, but actual cooling capacity must be verified against the manufacturer's performance data.
Q2: Can the SRC-S(W)-255 operate efficiently under partial cooling loads?
The SRC-S series specifies capacity regulation at 100%, 75%, 50% and 25%, with stepless control from 100% to 25%. Confirm the selected control configuration and its compatibility with the system controller before ordering.
Q3: What piping connections should be considered during installation?
The SRC-S(W)-255 screw AC compressor has an 80.0 mm (3-1/8") suction connection and a 54.1 mm (2-1/8") discharge connection. A 22 mm economizer connection and a 10 mm liquid injection connection are also specified in the technical data.
Q4: What lubricant should be used when servicing the SRC-S(W)-255?
For R22 applications, the specified lubricant is S001, with an oil charge of 10 dm³. Check the oil level and confirm refrigerant compatibility before servicing the screw AC compressor.
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