SUB COOL GQR80TG Compressor Specs and Replacements
R134a, refrigerant, compressor GQR80TG, 220-240V 50Hz, MBP/HBP, 1/4+ hp
Description
Mbsm.pro: Compressor, SUB COOL/SIKELAN, GQR80TG, 1/4+ HP, 1Ph, 220-240V 50Hz, R134a, MBP/HBP, Commercial Refrigeration
Technical Specifications Table
| Feature | Details |
|---|---|
| Model | GQR80TG |
| Brand | SUB COOL / SIKELAN / KONOR |
| Utilisation | MBP/HBP (Medium & High Back Pressure) |
| Domaine | Commercial Refrigeration / Light Freezing / Display Coolers |
| Cooling Wattage at -23.3°C | Approx. 400-450 W |
| Cooling Capacity at +7.2°C | 810 W |
| Cubic Feet Capacity | 8 to 14 cu. ft. (Depending on insulation) |
| Litres Capacity | 220 to 400 Liters |
| Kcal/h | 697 Kcal/h (at +7.2°C) |
| TON | ~0.12 Tons |
| Oil Type and Quantity | POE (Polyolester), 380-420 ml |
| Horsepower (HP) | 1/4+ HP (Approximately 0.28 HP) |
| Refrigerant Type | R134a |
| Power Supply | 220-240V / 50Hz / 1Ph |
| Cooling Capacity BTU | 2,750 BTU/h (at +7.2°C Rating) |
| Motor Type | CSIR (Capacitor Start – Induction Run) |
| Displacement | 8.0-8.1 cm³ |
| Winding Material | Copper |
| Pression Charge | 10-14 Bar (High Side) |
| Capillary Recommendation | 0.036″ or 0.040″ (Length varies by application) |
| Compatible Appliances | Mid-size refrigerators, beer displayers, commercial coolers, bottle chillers |
| Temperature Function | -20°C to +10°C |
| With Fan or No | Yes (Fan cooling required) |
| Commercial or No | Commercial Grade |
| Amperage (FLA) | 1.8 A to 2.4 A |
| LRA (Locked Rotor Amps) | 11-13 A |
| Type of Relay | PTC Relay or Current Relay |
| Starting Capacitor | Not Required (CSIR motor) |
| Running Capacitor | Not Required |
| COP | 2.0-2.15 W/W |
| Net Weight | 8.2 kg |
| Origin/Exporting | Manufactured in China |
Efficiency Metrics (COP) Table
Performance varies based on operating conditions. Here is how the GQR80TG performs across the temperature spectrum:
| Evaporating Temp (°C) | Cooling Capacity (Watts) | Power Consumption (Watts) | COP (W/W) |
|---|---|---|---|
| -25 | 280 | 295 | 0.95 |
| -20 | 380 | 340 | 1.12 |
| -15 | 500 | 385 | 1.30 |
| -10 | 640 | 430 | 1.49 |
| -5 | 800 | 475 | 1.68 |
| 0 | 980 | 520 | 1.88 |
| 5 | 1180 | 565 | 2.09 |
| 7.2 | 1310 | 610 | 2.15 |
| 10 | 1450 | 655 | 2.21 |
Replacement Models
| Brand | Model Number |
|---|---|
| SUB COOL | GQR80TG |
| SIKELAN | GQR80TG, MQ-GQR80TG |
| KONOR | GQR80TG |
| Zanussi | GQR80TG |
| Secop | SC10G (similar capacity) |
5 Replacements (Same R134a Gas)
- Embraco NEK2121Z (Strong alternative, 1/4 HP, 9.27cc) www.ebay.com.au
- Tecumseh TH271MS (Classic reliable swap, 1/4 HP)
- Danfoss SC10G (Direct successor, similar displacement) www.coowor.com
- Cubigel GL90AAA (Excellent commercial equivalent, 9.09cc)
- Huayi HYE11YG (Budget-friendly alternative)
5 Replacements (Other Gas – R600a/R404A)
Note: Requires complete system flush and expansion valve/capillary adjustment.
- Embraco EGU90HLP (R600a – Isobutane, very efficient, 1/5 HP)
- Danfoss SC10CNX (R290 – Propane, high efficiency)
- Tecumseh CAJ9480Z (R404A – Higher capacity)
- Secop NL11FK (R600a compatible variant)
- Cubigel HM90AA (R600a – Energy efficient)
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Excerpt: The SUB COOL GQR80TG is a versatile 1/4+ HP compressor designed for R134a MBP/HBP systems, commonly found in commercial coolers and mid-size refrigerators. This guide provides the full technical data sheet, including cooling capacity (400W to 810W depending on conditions), oil requirements (380-420ml POE), and a comprehensive list of compatible replacements for both R134a and modern alternative refrigerants to ensure your repair is successful.
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