Refcomp SW3H-16000 170HP R407C Screw Air Conditioning Compressor for HVAC System
Refcomp SW3H-16000 screw compressor
,170HP R407C HVAC compressor
,screw air conditioning compressor
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Optimized Asymmetric Rotor Design
The screw air conditioning compressor uses RefComp's 5/6 asymmetric rotor profile to support smooth compression while reducing gas pulsation, vibration and operating noise.
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INT69 SNY Motor Protection
Six series-connected PTC thermistors work with the INT69 SNY protection module to monitor motor temperature and provide protection against overheating, reverse rotation and phase loss in this semi-hermetic screw compressor.
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Integrated Pressure Safety Valve
An internal safety valve connects the high- and low-pressure sides, helping prevent excessive pressure differentials within the compressor and supporting safe operation.
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High-Density Suction Filtration
A built-in 100 μm suction filter removes impurities from incoming refrigerant gas, helping protect the motor and maintain clean refrigerant flow.
| Parameter | Value |
|---|---|
| Model | SW3H-16000 |
| Rated power | 170HP / 127KW |
| Exhaust volume 50/60Hz | 445/534 m³/hr |
| Weight | 675 Kg |
| Capacity Regulation | 100%, 75%, 50%, 25% (stepless 100%–25%) |
| Standard motor | Y/△ – 400V/3/50Hz – 460/3/60Hz |
| LRA Y/Δ | 374/1155 A |
| Max Operating Current | 270 A |
Q1: How do I determine whether this compressor is suitable for my HVAC system?
For screw air conditioning compressor selection, provide the required cooling capacity, refrigerant, evaporating and condensing temperatures, power supply and application details. The final selection should be verified against the manufacturer's performance data.
Q2: Can the compressor adapt to changing cooling loads?
The SW3H series supports four-step capacity control or stepless adjustment from 25% to 100%. Choose the appropriate control method according to your system's load variations and controller compatibility.
Q3: What should I check when replacing an existing screw air conditioning compressor?
Compare the refrigerant, operating conditions, piping connections, electrical requirements and installation dimensions. Also confirm that the existing system's control strategy and oil return arrangement are compatible with the replacement unit.
Q4: What should I do if the motor protection module trips during operation?
Check the power supply, phase sequence, motor temperature and PTC sensor connections. Identify and correct the cause before resetting the protection module; never bypass the motor protection system.
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