Refcomp SP4L1800 SP4L180E Semi Hermetic Refrigeration Compressor for Freezing Cold Room
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Discussed
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Delivery Time:
1 Month
Brand:
Refcomp
Product Description
Refcomp SP4L1800 SP4L180E Semi Hermetic Refrigeration Compressor for Freezing Cold Room
Product Overview
Low-Temperature High-Displacement Output
Delivering a displacement of up to 90 m³/h with 100% and 50% step capacity regulation, this semi hermetic refrigeration compressor handles changing thermal loads with steady operating efficiency.
Direct-Path Suction Architecture
Engineered with direct internal gas channels and optimized valve plate geometry to minimize pressure drop and maximize volumetric efficiency in low-temperature circuits.
Heavy-Duty Mechanical Shafting
Features a dynamically balanced 4-cylinder crankshaft, wear-resistant sleeve bearings, a 28 bar pressure-rated casing, and an INT69B2 motor thermal protection module.
Standard Service & Component Features
- 360° rotatable suction (42 mm) and exhaust (28 mm) shut-off valves
- Factory-installed 230V / 150W crankcase heater
- Accessible high-density internal suction gas filter
Product Image
Technical Specifications
| Model | SP4L1800, SP4L180E |
|---|---|
| Rated Power | 18HP / 13.3KW |
| Exhaust Volume (50Hz/60Hz) | 75 / 90 m³/hr |
| Refrigerant Type | R22, R407C, R134a, R404A, R507 |
| Weight | 186 KG |
| Oil Charge | 3.7 L |
| Voltage | 400V/3/50Hz, 460V/3/60Hz PW |
| Starting Current PW/DOL | 102 / 170 A |
| Max Operating Current | 33 A |
Frequently Asked Questions
What lubricant viscosity and oil type are recommended for low-temperature operation with this semi hermetic refrigeration compressor?
Synthetic POE lubricants are recommended for HFC/HFO refrigerants like R404A and R507, maintaining proper fluid lubrication and viscosity across low evaporating ranges.
How does power phase voltage unbalance affect motor longevity for model SP4L1800 (SP4L180E)?
Voltage unbalance between supply phases should not exceed 2%, as phase current disparities generate excess winding heat that can trip the INT69B2 module or degrade motor insulation.
What guidelines apply when conducting standing pressure leak tests on a completed rack or package?
Pressurize the circuit using dry nitrogen without exceeding the 28 bar housing pressure rating, and verify all valve flanges and gasket joints with bubble solution.
What precautions prevent liquid slugging following automated evaporator defrost cycles?
Install suction line accumulators to intercept unevaporated liquid returning from evaporators, ensuring smooth gas-only intake upon compressor restart.
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Company
Shenzhen Coolstart Refrigeration Equipment Co., Ltd
Location
Room 1801, Building 1, Kangli city, No. 66 Pingji Road, Longgang District, Shenzhen, Guangdong,China
Contact Person
Lynn