Refcomp SP4LN1200 SP4LN120E Semi Hermetic Reciprocating Refrigeration Compressor
SP4LN1200 Semi Hermetic Compressor
,SP4LN120E Reciprocating Refrigeration Compressor
,Semi Hermetic Compressor with Warranty
- Optimized Internal Gas Flow: Short internal gas passages and precision porting reduce suction pressure drop, enhancing volumetric efficiency for low-temperature cooling systems.
- Heavy-Duty Mechanical Design: Engineered with high-precision sliding bearings and thrust washers to ensure quiet operation, low mechanical friction, and extended service life.
- Integrated Safety & Protection: An internal pressure relief valve protects against dangerous overpressure, while an electronic protection module safeguards the motor from thermal overloads.
- Flexible Capacity Regulation: Supports 100% and 50% step capacity control to smoothly match output with varying system load demands.
| Parameter | Value |
|---|---|
| Model | SP4LN1200, SP4LN120E |
| Rated Power | 12 HP / 8.9 kW |
| Exhaust Volume (50/60 Hz) | 56 / 67.2 m³/hr |
| Cylinders | 4 |
| Weight | 146 kg |
| Oil Charge | 2.6 L |
| Energy Regulation | 100%, 50% |
| Standard Motor | 400V/3/50Hz, 460V/3/60Hz PW |
| Starting Current (PW/DOL) | 75 / 125 A |
| Max Operating Current | 27 A |
| Oil Lubrication Method | Splash lubrication (without oil pump) |
A1: Selection requires target evaporating and condensing temperatures, required cooling capacity, local power supply standards, and the selected refrigerant type.
A2: System lines must include vibration absorbers near connection ports, proper oil return sloping, and correctly sized suction and discharge piping to avoid excessive pressure losses.
A3: Inspect supply line voltage, check motor winding resistance, confirm adequate crankcase oil heating, and verify operating pressures before attempting a manual reset.
A4: Periodically inspect oil level and clarity through the sight glass, verify electrical terminal tightness, check suction filter cleanliness, and log running current values.
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