Secop GS34MFX-HST Hermetic Compressor – Single Phase
The Secop GS34MFX-HST is a high-capacity hermetic reciprocating refrigeration compressor designed for medium-temperature (MBP) commercial refrigeration applications.
Suitable for R134a and R513A, this compressor features a high starting torque (HST) motor with capacitor start and capacitor run (CSCR) configuration. Ideal for commercial refrigeration cabinets, coolrooms, ice machines and condensing units, subject to system design and operating conditions.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Secop |
| Model | GS34MFX-HST |
| OEM Model | GS34MFX |
| Secop Product Code | 107B0701 |
| Compressor Type | Hermetic reciprocating |
| Application | MBP – Medium Back Pressure |
| Refrigerant | R134a / R513A |
| Displacement | 33.8 cm³ |
| Cooling Capacity | 1,883 W – R134a, ASHRAE MBP |
| Power Supply | 220–240 V / 50 Hz |
| Phase | Single Phase |
| Motor Type | CSCR |
| Starting Torque | HST – High Starting Torque |
| Motor Speed | 2,900 RPM |
| Oil Type | POE |
| Oil Charge | 902 ml |
| Weight | 20 kg |
| Overall Dimensions | 232 L × 173 W × 259 H mm |
| Suction Connection | 12.9 mm ID copper (approx. 1/2") |
| Discharge Connection | 8.2 mm ID copper (approx. 5/16") |
| Process Connection | 6.5 mm ID copper (approx. 1/4") |
| Run Capacitor | 20 µF |
| Start Capacitor | 100 µF |
| LRA | 26 A |
| Rated Load Amps | 4.8 A |
| Starting Device | Relay |
| Recommended Drier | Not verified |
| Compressor Cooling | Forced air, 3 m/s |
Performance – R134a, 50 Hz
Conditions: 220 V, 45°C condensing temperature, 20°C return gas temperature, 45°C liquid temperature, forced-air cooling at 3 m/s.
| Evap. Temp. | Cooling (W) | Input (W) | Current |
|---|
| -20°C | 998 | 722 | 3.78 A |
| -15°C | 1,296 | 815 | 4.16 A |
| -10°C | 1,648 | 909 | 4.59 A |
| -5°C | 2,064 | 1,008 | 5.06 A |
| 0°C | 2,550 | 1,115 | 5.58 A |
| +5°C | 3,115 | 1,234 | 6.13 A |
Selection Note: Confirm refrigeration load, refrigerant, system operating envelope, electrical starting components and pipework compatibility before installation. Performance varies with operating conditions.
Manufacturer Sources:
Secop GS34MFX – Official Product Page
Secop GS34MFX – Technical Data Sheet (October 2026)