The Danfoss SC15G (104G8525) is a high-capacity 1/2 HP compressor designed for R134a commercial cooling applications. Featuring a 15.28cc displacement and German engineering, it excels in MBP/HBP environments like display coolers. This professional guide details…
| Feature | Specification |
| Model | Danfoss SC15G (104G8525) |
| Utilisation (mbp/hbp/lbp) | MBP / HBP |
| Domaine (Freezing/Cooling) | Cooling (Professional) |
| Cooling wattage at -10°C | 738 Watts |
| Cubic feet can this compressor cool? | 20 – 25 cu.ft |
| Litres can this compressor cool? | 550 – 700 Liters |
| Kcal/h | 635 Kcal/h |
| Oil Type and quantity | POE, 550 ml |
| Horsepower (HP) | 1/2 HP |
| Refrigerant Type | R134a |
| Power Supply | 220-240V / 50Hz / 1Ph |
| Cooling Capacity BTU | 2520 BTU/h (at -10°C) / 5050 BTU/h (at +7.2°C) |
| Motor Type | CSIR (Capacitor Start – Induction Run) |
| Displacement | 15.28 cm³ |
| Winding Material | 100% Copper |
| Pression Charge | 18 – 24 bar |
| Capillary | 0.042″ to 0.050″ (Application dependent) |
| Modele Frigo / Refrigerator | Large Bottle Coolers, Display Cases, Laboratory Fridges |
| Temperature function | -15°C to +15°C |
| With fan or no | Fan cooling is Mandatory (250 m³/h) |
| Commercial or no | Commercial Grade |
| Amperage in function | 3.1 A to 3.5 A |
| LRA | 14.8 A |
| Type of relay | Electromagnetic / Starting Relay |
| Capacitor and value | Start Capacitor: 80 µF |
| Country of origin | Germany |
| Evaporating Temp (°C) | Cooling Capacity (Watts) | Power Consumption (Watts) | COP (W/W) |
| -15 | 560 | 380 | 1.47 |
| -10 | 738 | 425 | 1.74 |
| -5 | 950 | 470 | 2.02 |
| 0 | 1195 | 515 | 2.32 |
| +5 | 1480 | 565 | 2.62 |
| +10 | 1805 | 615 | 2.93 |
| +15 | 2170 | 665 | 3.26 |
The SECOP GTK70AT is a high-performance 1/5+ HP compressor designed for R134a Low Back Pressure (LBP) applications. Featuring a 6.64 cm³ displacement and 195W cooling capacity at -23.3°C, this Slovakian-made unit is a reliable choice…
| Feature | Specification |
| Model | GTK70AT |
| Utilisation | LBP (Low Back Pressure) |
| Domaine | Freezing / Cooling |
| Cooling Wattage (-23.3°C) | 195 W |
| Cubic Feet Capacity | 10 – 14 cu.ft |
| Litres Capacity | 280 – 400 Liters |
| Kcal/h | 168 Kcal/h |
| Oil Type and Quantity | POE (Polyolester) / 180 ml |
| Horsepower (HP) | 1/5+ HP |
| Refrigerant Type | R134a |
| Power Supply | 200-240V ~ 50Hz |
| Cooling Capacity BTU | 665 BTU/h |
| Motor Type | RSIR/RSCR (depending on starter kit) |
| Displacement | 6.64 cm³ |
| Winding Material | Copper |
| Pression Charge | Low side (0.5 to 1.5 psi running) |
| Capillary Recommendation | 0.031″ or 0.036″ (Length varies by design) |
| Application Range | Double door fridges, Upright freezers |
| Temperature Range | -35°C to -10°C |
| Cooling Type | Static (No fan required for compressor) |
| Commercial Use | Light Commercial / Domestic |
| Amperage (RLA) | 0.9 A to 1.1 A |
| LRA (Locked Rotor Amps) | 6.1 A |
| Starter Type | PTC Relay |
| Capacitor | 4µF Run Capacitor (Optional for RSCR) |
| Origin | Slovakia |
| Evaporating Temp (°C) | Cooling Capacity (Watts) | Power Consumption (Watts) | COP (W/W) |
| -30 | 140 | 115 | 1.22 |
| -25 | 182 | 131 | 1.39 |
| -23.3 | 195 | 138 | 1.41 |
| -20 | 235 | 150 | 1.57 |
| -15 | 302 | 171 | 1.77 |
| -10 | 385 | 195 | 1.97 |
The Comptek QD65H is a high-performance 1/6 HP reciprocating compressor designed for R134a systems. Ideal for refrigerators between 180 and 250 liters, it offers a cooling capacity of 160W at -23.3°C. This professional guide covers…
| Feature | Specification |
| Model | QD65H (HM Series) |
| Horsepower (HP) | 1/6 HP |
| Displacement | 6.5 $cm^3$ |
| Cooling Capacity (BTU/h) | 546 BTU/h |
| Cooling Wattage (-23.3°C) | 160 W |
| Motor Type | RSIR (Resistive Start – Induction Run) |
| Winding Material | High-grade Copper |
| Refrigerant Type | R134a |
| Power Supply | 220-240V / 50Hz (1 Phase) |
| Oil Type and Quantity | POE/Mineral (approx. 180ml – 200ml) |
| Current (Running) | 1.1 A – 1.2 A |
| LRA (Locked Rotor Amps) | 6.5 A |
| Cooling Method | Static (Natural cooling, no fan required for compressor) |
| Evaporating Temp (°C) | Cooling Capacity (Watts) | Power Consumption (Watts) | COP (W/W) |
| -30 | 110 | 102 | 1.07 |
| -25 | 142 | 118 | 1.20 |
| -23.3 (Standard) | 160 | 125 | 1.28 |
| -20 | 185 | 134 | 1.38 |
| -15 | 230 | 148 | 1.55 |
| -10 | 285 | 162 | 1.76 |
| 0 | 410 | 190 | 2.15 |
| Model | HP Rating | Displacement | Refrigerant | Application |
| Comptek QD65H | 1/6 HP | 6.5 $cm^3$ | R134a | L/MBP (Versatile) |
| ZMC GM70AZ | 1/5 HP | 7.0 $cm^3$ | R134a | LBP (Stronger Cooling) |
| Danfoss TLS6F | 1/6 HP | 5.7 $cm^3$ | R134a | LBP (High Efficiency) |
Selecting the right compressor is the heartbeat of any refrigeration repair. Today, we dive deep into the Daewoo JX58LHS5-K and Embraco FFI7.5HAK. Both use R134a and operate in the LBP range, but their cooling capacities…
| Feature | Daewoo JX58LHS5-K | Embraco FFI7.5HAK |
| Model | JX58LHS5-K | FFI7.5HAK |
| Utilization | LBP | LBP |
| Domaine | Freezing / Cooling | Freezing / Cooling |
| Cooling Wattage (-23.3°C) | ~140 W | ~170 W |
| Capacity (Cubic Feet) | 8 – 10 cu.ft | 10 – 12 cu.ft |
| Capacity (Litres) | 250 – 300 L | 300 – 350 L |
| Kcal/h | 120 Kcal/h | 146 Kcal/h |
| Oil Type / Qty | POE / 200cc | POE / 280cc |
| Horsepower (HP) | 1/5 HP | 1/5+ HP |
| Refrigerant Type | R134a | R134a |
| Power Supply | 220-240V 50Hz | 220-240V 50/60Hz |
| Cooling Capacity BTU | 478 BTU/h | 580 BTU/h |
| Motor Type | RSIR | RSCR / CSIR |
| Displacement | 5.8 cm³ | 6.76 cm³ |
| Winding Material | Copper | Copper |
| Pressure Charge | 0.5 – 1.2 Bar (Low side) | 0.6 – 1.5 Bar (Low side) |
| Capillary Size | 0.031″ x 3m | 0.036″ x 3m |
| Ref. Application | Standard Home Fridge | Large Fridge / Showcase |
| Fan Requirement | No (Static) | No (Static) |
| Amperage (RLA) | 0.8 A – 1.0 A | 1.1 A – 1.3 A |
| LRA (Locked Rotor) | 4.7 A | 14.0 A |
| Relay Type | PTC | PTC / Current Relay |
| Capacitor | No | Optional (Run 5µF) |
| Origin | South Korea | Brazil |
| Evaporating Temp (°C) | Cooling Capacity (Watts) | Power Consumption (Watts) | COP (W/W) |
| -30 | 115 | 110 | 1.05 |
| -25 | 155 | 125 | 1.24 |
| -23.3 | 170 | 132 | 1.29 |
| -20 | 205 | 145 | 1.41 |
| -15 | 265 | 165 | 1.61 |
| -10 | 335 | 185 | 1.81 |
The LG MA57LBJG is a high-performance 1/6 HP compressor designed for R134a refrigerant in Low Back Pressure (LBP) applications. Ideal for domestic freezers, it delivers 160W of cooling capacity at -23.3°C. This guide provides comprehensive…
| Feature | Specification Details |
| Model | MA57LBJG |
| Utilisation | LBP (Low Back Pressure) |
| Domaine | Freezing / Deep Cooling |
| Cooling Wattage at -23.3°C | 160 W |
| Cubic Feet Capacity | 8 – 11 cu.ft (Depending on insulation) |
| Litres Capacity | 220 – 300 Liters |
| Kcal/h | 138 Kcal/h |
| Oil Type and Quantity | Ester Oil (POE), 180cc |
| Horsepower (HP) | 1/6 HP |
| Refrigerant Type | R134a |
| Power Supply | 220-240V / 50Hz / 1Ph |
| Cooling Capacity BTU | 546 BTU/h |
| Motor Type | RSIR (Resistive Start-Inductive Run) |
| Displacement | 5.7 cc |
| Winding Material | Copper |
| Pression Charge | 0.5 to 1.2 Bar (Low side running) |
| Capillary Recommendation | 0.031″ (0.8mm) x 3 meters (approx) |
| Common Application | LG, Samsung, and Whirlpool Refrigerators |
| Temperature Function | -35°C to -10°C |
| Cooling Method | Natural Cooling (Static) |
| Commercial Status | Residential / Light Commercial |
| Amperage (RLA) | 0.9 A – 1.2 A |
| LRA (Locked Rotor Amps) | 6.5 A |
| Type of Relay | PTC Relay |
| Capacitor | Usually Not Required (RSIR) |
| Origin/Export | Made in China / Exported Globally |
| Evaporating Temp (°C) | Cooling Capacity (Watts) | Power Consumption (Watts) | COP (W/W) |
| -30 | 115 | 105 | 1.10 |
| -25 | 148 | 120 | 1.23 |
| -23.3 | 160 | 128 | 1.25 |
| -20 | 185 | 138 | 1.34 |
| -15 | 230 | 155 | 1.48 |
| -10 | 285 | 175 | 1.63 |
The Donper LJ118CY1 is a high-performance 1/4 HP hermetic compressor designed for domestic refrigerators using R600a refrigerant. Known for its efficiency and quiet operation, it features a displacement of 11.8cc and a cooling capacity of…
| Attribute | Specification |
| Model | LJ118CY1 |
| Utilisation | LBP (Low Back Pressure) |
| Domaine | Freezing / Cooling |
| Cooling Wattage at -23.3°C | 198 W |
| Kcal/h | 170 Kcal/h |
| Oil Type and Quantity | Mineral / POE (approx. 180-200ml) |
| Horsepower (HP) | 1/4 HP |
| Refrigerant Type | R600a |
| Power Supply | 220–240V ~ 50Hz, 1Ph |
| Cooling Capacity BTU | 675 BTU/h |
| Motor Type | RSCR / RSIR |
| Displacement | 11.8 cm³ |
| Winding Material | Copper |
| Pressure Charge | Low Pressure (Suction) |
| Capillary Recommendation | 0.031 – 0.036 inch (Depends on length) |
| Refrigerator Size | 14 to 16 Feet (Domestic) |
| Temperature Function | -35°C to -15°C |
| Fan Requirement | Static Cooling (No fan required for compressor) |
| Commercial Use | No (Mainly Domestic) |
| Amperage (RLA) | 0.9 A – 1.2 A |
| LRA (Locked Rotor Amps) | 6.5 A |
| Type of Relay | PTC Relay |
| Capacitor | 4µF – 5µF (Optional depending on version) |
| Country of Origin | China (Donper Group) |
| Evaporating Temp (°C) | Cooling Capacity (Watts) | Power Consumption (Watts) | COP (W/W) |
| -30 | 145 | 112 | 1.29 |
| -25 | 185 | 128 | 1.45 |
| -23.3 | 198 | 134 | 1.48 |
| -20 | 235 | 145 | 1.62 |
| -15 | 290 | 162 | 1.79 |
| -10 | 360 | 180 | 2.00 |
The Danfoss NL7.3FT is a cornerstone of domestic and light commercial refrigeration. Engineered for Low Back Pressure (LBP) applications using R134a refrigerant, this 1/4 HP unit offers reliability and high efficiency. In this guide, we…
| Feature | Detail |
| Model | Danfoss NL7.3FT (Code: 105G6726) |
| Utilisation | LBP (Low Back Pressure) |
| Domaine | Freezing / Cold Storage |
| Cooling Wattage at -23.3°C | 185 Watts |
| Kcal/h | 159 Kcal/h |
| Oil Type and Quantity | Ester (POE), 320 cm³ |
| Horsepower (HP) | 1/4 HP (Approx. 0.25 HP) |
| Refrigerant Type | R134a |
| Power Supply | 220-240V / 50Hz / 1Ph |
| Cooling Capacity BTU | 631 BTU/h |
| Motor Type | RSIR/CSIR (High Starting Torque capability) |
| Displacement | 7.27 cm³ |
| Winding Material | Copper |
| Pressure Charge | Low side (Suction) |
| Capillary | 0.031″ – 0.036″ (Size varies by application) |
| Compatible Refrigerators | Whirlpool, Indesit, Ariston, Domestic Chest Freezers |
| Temperature Function | -35°C to -10°C |
| With Fan or No | Static or Fan-assisted (Usually Static in domestic) |
| Commercial or No | Domestic and Light Commercial |
| Amperage (FLA) | ~1.1 A to 1.3 A |
| LRA (Locked Rotor Amps) | 9.2 A |
| Type of Relay | PTC or Electromagnetic |
| Capacitor | Optional (80 µF for CSIR start) |
| Evaporating Temp (°C) | Cooling Capacity (Watts) | Power Consumption (Watts) | COP (W/W) |
| -35 | 108 | 135 | 0.80 |
| -30 | 145 | 158 | 0.92 |
| -23.3 | 185 | 184 | 1.01 |
| -20 | 225 | 205 | 1.10 |
| -15 | 295 | 230 | 1.28 |
| -10 | 380 | 255 | 1.49 |
If your automatic washer fills with water but refuses to start the agitation or wash cycle, you are facing a common mechanical or electronic failure. This guide explores the primary culprits, including faulty lid switches,…
| Component | Function | Failure Symptom |
| Lid Switch / Door Lock | Safety interrupt for the motor circuit. | Machine fills but won’t agitate or spin. |
| Water Level Switch | Detects air pressure from the tub. | Machine keeps filling or stops without starting motor. |
| Drive Motor / Capacitor | Provides mechanical rotation. | Hum sounds but no movement; dead silence if open circuit. |
| Drive Belt | Transfers power from motor to drum. | Motor runs (hums/whirs) but the drum is stationary. |
| Feature | Mechanical Pressure Switch | Electronic Hall Effect Sensor |
| Signal Type | Discrete (On/Off) | Analog/Digital Frequency |
| Reliability | Prone to contact pitting | Highly reliable but sensitive to moisture |
| Common Use | Traditional Top Loaders | Modern Inverter Front Loaders |
| Voltage | Usually 120V/240V AC | 5V – 12V DC |
The Panasonic QB86C18GAX5 is a 1/4 HP reciprocating compressor engineered for high-efficiency Low Back Pressure (LBP) applications. Using R134a refrigerant and a displacement of 8.6cc, it delivers a cooling capacity of 201W. This guide provides…
| Feature | Details |
| Model | QB86C18GAX5 |
| Utilisation | LBP (Low Back Pressure) |
| Domaine | Freezing / Deep Cooling |
| Oil Type and Quantity | Ester Oil (POE) / 230 ml |
| Horsepower (HP) | 1/4 HP |
| Refrigerant Type | R134a |
| Power Supply | 220-240V / 50Hz / 1PH |
| Cooling Capacity BTU | 686 BTU/h (approx. 201W) |
| Motor Type | RSIR (Resistance Start – Induction Run) |
| Displacement | 8.6 cm³ |
| Winding Material | Copper |
| Pressure Charge | 0.4 to 1.1 Bar (Suction Side) |
| Capillary Recommendation | 0.036″ / 0.042″ (Dependent on cabinet size) |
| Refrigerator Models | Large domestic side-by-side, Chest Freezers, Display Chillers |
| Temperature Function | -35°C to -15°C |
| Fan Requirement | Optional (Static cooling usually sufficient) |
| Commercial Use | Light Commercial / Domestic High-Capacity |
| Amperage (RLA) | 1.1A – 1.3A |
| LRA (Locked Rotor Amps) | 8.0A |
| Type of Relay | PTC Relay |
| Capacitor | N/A (Standard RSIR) |
The LG KX69LBEG is a high-performance 1/5 HP reciprocating compressor designed for Low Back Pressure (LBP) domestic refrigeration. Operating on R134a refrigerant at 220-240V/50Hz, this thermally protected unit is the standard for LG’s cooling reliability.…
| Feature | Details |
| Model | KX69LBEG |
| Utilisation | LBP (Low Back Pressure) |
| Domaine | Freezing / Deep Cooling |
| Oil Type and Quantity | POE or Mineral (R134a compatible) / approx. 180-220ml |
| Horsepower (HP) | 1/5 HP |
| Refrigerant Type | R134a |
| Power Supply | 220-240V / 50Hz / 1PH |
| Cooling Capacity BTU | Approx. 580 – 620 BTU/h |
| Motor Type | RSIR (Resistance Start – Induction Run) |
| Displacement | 6.9 cm³ |
| Winding Material | Copper |
| Pressure Charge (Suction) | 0.5 to 1.2 Bar (Depending on application) |
| Capillary Recommendation | 0.031″ or 0.036″ (Length varies by cabinet) |
| Refrigerator Models | LG GR-Series, Domestic Single/Double Door units |
| Temperature Function | -35°C to -10°C |
| Fan Requirement | Static Cooling (No fan required for compressor) |
| Commercial Use | No (Domestic / Light Residential) |
| Amperage (RLA) | 0.9A – 1.1A |
| LRA (Locked Rotor Amps) | 5.5A – 6.0A |
| Type of Relay | PTC Relay |
| Capacitor | Not required (RSIR), optional Start Cap for high torque |
