The Secop SC21G is a 5/8 HP R134a medium back pressure compressor. It is specifically designed for large commercial refrigeration systems requiring consistent cooling performance. This model is the highest-capacity in the Secop R134a medium back pressure range.
Part Identification
- Part Number: SC21G
- Brand: Secop
- Part Category: Refrigeration Compressor
- Manufacturer Code: 104G8140
- No supersession data is listed for this part number.
Where This Part Is Used
- Large commercial refrigeration units
- Refrigeration systems requiring medium back pressure operation
- Systems utilising R134a refrigerant
Model coverage can change across production runs — confirm against your unit's data plate before ordering.
Specifications
| Specification | Value |
|---|---|
| Refrigerant | R134a |
| Horsepower | 5/8 HP |
| Voltage | 220–240V |
| Displacement | 20.95 cm³ |
| Performance (–20°C) | 453W |
| Performance (+10°C) | 1889W |
| Application | Medium Back Pressure (MBP) |
Check Before You Order
- Verify your unit's existing compressor is a Secop SC21G or compatible model by checking the data plate.
- Confirm the refrigerant type is R134a and matches the compressor specification.
- Check the compressor's rated voltage (220-240V) against your system's power supply.
- Ensure the application requires a medium back pressure compressor for correct operation.
Fitting Notes
- All refrigerant recovery and charging procedures must be performed by an ARCtick licensed technician.
- Always isolate power and discharge capacitors before working on any electrical components.
- Ensure correct oil charge and oil type are used upon installation for optimal compressor performance.
- The refrigeration system must be thoroughly evacuated and leak-checked before recharging with refrigerant.
Ordering & Availability
The Secop SC21G compressor is a genuine OEM part. Sold individually unless a pack quantity is shown above. Current stock levels and lead times are displayed at checkout. Order from HVAC Trade Supply.
Commonly Ordered With
Commonly ordered with compressor oil, filter driers, and charging valves.