Mbsmpro.com, Compressor, Siberia, GFF57AA, 1/5 hp, Cooling, R134a, 166 W, 220-240V 50Hz, LBP, RSIR, -35°C to -15°C, Freezing

Technical Specifications Table

Feature	Specification
Model	GFF57AA (Siberia / Bingfeng)
Utilization	LBP (Low Back Pressure)
Field of Application	Freezing and Deep Cooling
Oil Type and Quantity	Ester Oil (POE), 180ml – 200ml
Horsepower (HP)	1/5 HP
Refrigerant Type	R134a
Power Supply	220-240V ~ 50Hz
Cooling Capacity	166 W / 566 BTU/h (ASHRAE)
Motor Type	RSIR (Resistive Start, Inductive Run)
Displacement	5.70 cm³
Winding Material	Copper/Aluminum Alloy (Model specific)
Charge Pressure (Low Side)	0.5 to 1.5 PSI (Running)
Capillary Tube Recommendation	0.031″ ID (approx. 2.5m – 3m based on application)
Compatible Equipment	Domestic Refrigerators, Chest Freezers, Water Dispensers
Evaporating Temperature Range	-35°C to -15°C (-31°F to 5°F)
Cooling Method	Static Cooling (No fan required for compressor body)
Commercial Classification	Residential / Light Commercial
Operating Amperage	1.1 A to 1.3 A
LRA (Locked Rotor Amps)	8.5 A
Type of Relay	PTC Start Relay
Capacitor Requirement	Usually None (RSIR); Optional 4µF-5µF for Efficiency

---

Compressor Cross-Reference (Direct Replacements)

5 Replacements in the Same Gas (R134a):

1. Embraco: EMT56CLP
2. Secop (Danfoss): TLES5.7FT.3
3. ZMC: GLY60AA
4. Jiaxipera: ND1112Y
5. Huayi: HYE55ANL

5 Replacements in Different Gas (R600a Conversion – Requires system flush):

1. Embraco: EMX55CLC
2. Secop: TLES5.7KK.3
3. Donper: S65CY
4. Siberia: GFT57AA (R600a version)
5. Jiaxipera: NT1112Y

---

Mbsmpro.com, Compressor, GFF57AA, 1/5 hp, Siberia, Cooling, R134a, 166 W, 1.2 A, 1Ph 220-240V 50Hz, LBP, RSIR, -35°C to -15°C

In the world of domestic refrigeration, reliability is measured by the silence and efficiency of the compressor. The Siberia GFF57AA stands out as a high-performance hermetic reciprocating compressor specifically engineered for Low Back Pressure (LBP) applications. Manufactured by the renowned Zhejiang Bingfeng group, this unit has become a staple for technicians looking for a robust 1/5 HP solution in modern household appliances.

Engineering Mastery: The 5.7cc Displacement

The GFF57AA utilizes a 5.70 cm³ displacement, which is the “sweet spot” for medium-sized household refrigerators and chest freezers. Unlike larger industrial units, this compressor focuses on thermal stability. In LBP environments, where evaporating temperatures drop as low as -35°C, the internal motor must manage significant pressure differentials without overheating. The RSIR motor configuration ensures a simplified electrical setup, reducing the points of failure by eliminating the need for complex run capacitors in standard configurations.

Performance Comparison: R134a vs. R600a Alternatives

While the industry has seen a shift toward R600a (Isobutane), the R134a GFF57AA remains vital for the service and repair of millions of existing units.

• Volumetric Efficiency: R134a provides a higher cooling capacity per unit of displacement compared to R600a.
• Operating Pressures: The GFF57AA operates at higher discharge pressures than its R600a counterparts, which allows for smaller condenser footprints in compact refrigerator designs.

Electrical Schema and Terminal Logic

For the field engineer, understanding the terminal layout is essential for troubleshooting. The GFF57AA follows the standard triangular terminal configuration:

• Common (C): Top pin (standard orientation).
• Start (S): Typically the right-hand pin.
• Main (M/Run): Typically the left-hand pin.

Maintenance Wisdom for Technicians

To maximize the lifespan of the Siberia GFF57AA, pay close attention to the Starting Device. The PTC (Positive Temperature Coefficient) relay is the most common failure point. If the compressor hums but fails to start, always check the PTC resistance before condemning the motor windings. Furthermore, since this is a static-cooled compressor, ensuring adequate airflow around the refrigerator’s rear compartment is the single best way to prevent thermal overload and oil breakdown.

Notice: Always ensure the system is vacuumed to at least 500 microns before charging with R134a to prevent moisture-related capillary blockage, a common issue in LBP systems using POE oils.

---

Focus Keyphrase: Siberia GFF57AA Compressor

SEO Title: Mbsmpro.com | Siberia GFF57AA 1/5 HP R134a Refrigerator Compressor Specs

Meta Description: Detailed technical guide for the Siberia GFF57AA 1/5 HP compressor. Includes cooling capacity (166W), R134a specs, replacement models, and electrical wiring data for technicians.

Slug: siberia-gff57aa-compressor-1-5-hp-r134a-specs

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Siberia GFF57AA, Bingfeng Compressor, 1/5 HP Compressor, R134a LBP, EMT56CLP replacement, GLY60AA replacement, Refrigerator Repair, HVAC Engineering.

Excerpt: The Siberia GFF57AA is a high-performance 1/5 HP hermetic reciprocating compressor designed for Low Back Pressure (LBP) applications. Utilizing R134a refrigerant and a 5.7cc displacement, it provides a reliable cooling capacity of 166W. This unit is widely used in domestic freezers and refrigerators, offering a robust RSIR motor for 220-240V 50Hz electrical systems.

Yes, your conclusion regarding the compressor ports is correct based on the standard design for this category:

Pipe 1 (single top pipe): This is the discharge line, usually the thinner pipe.

Pipe 2 (opposite the discharge): This is the suction line, which has a slightly larger diameter.

Pipe 3 (next to the suction): This is the process/service line, used for charging the gas.

---

Mbsmpro.com, Compressor, QD65H, 1/6 hp, Comptek, Cooling, R134a, 160 W, 1.2 A, 1Ph 220-240V 50Hz, L/MBP, RSIR, -35°C to -5°C, Cooling and Freezing

The refrigeration industry relies heavily on the “heart” of the system: the compressor. Among the most versatile and durable options available for domestic and light commercial applications is the Comptek QD65H. This piston-driven reciprocating compressor is engineered for reliability, specifically designed to handle the thermal demands of Low and Medium Back Pressure (L/MBP) environments.

Technical Specifications and Performance Data

The QD65H operates on the R134a refrigerant, a global standard for domestic cooling due to its thermodynamic efficiency and safety profile. Below is the comprehensive technical breakdown:

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)

Efficiency Metrics (COP) and Performance Curve

Understanding the Coefficient of Performance (COP) is vital for energy management. The QD65H shows excellent stability across a wide range of evaporating temperatures.

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

Application and Capability

This compressor is the “workhorse” for medium-sized household appliances. It is ideally suited for:

• Capacity in Liters: Efficiently cools units between 180 to 250 Liters.
• Capacity in Cubic Feet: Approximately 6.3 to 8.8 $ft^3$.
• Appliance Types: Single-door refrigerators, small chest freezers, and water dispensers.

Comparison: QD65H vs. Similar Models

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)

Professional Recommendations and Installation Notes

1. Capillary Tube Selection: For R134a systems using the QD65H, a capillary tube of 0.031 inches (0.8mm) with a length of 3 meters is standard for LBP freezing applications.
2. Vacuum Procedure: Always ensure a vacuum level of at least 500 microns to prevent moisture from reacting with the R134a oil.
3. Thermal Protection: The QD65H features an internal or external protector. Ensure the relay (PTC type) is seated correctly to prevent winding burnout.
4. Start Capacitor: While being an RSIR motor, in areas with unstable voltage, adding a 47-64µF start capacitor can assist in high-torque starts (HST).

---

Replacement Guide (Equivalents)

Same Refrigerant (R134a):

1. Embraco: EMS 55HLC
2. Danfoss/Secop: TLES6.5FT.3
3. Huayi: HYE69MT
4. Zanussi: GVY66AA
5. Tecumseh: THB1355Y

Alternative Refrigerant (R600a/R12/Other):

Note: Requires system flush and oil check.

1. QD65Y (R600a version)
2. Embraco: EMX55CLC (R600a)
3. Danfoss: TLES7.5KK.3 (R600a)
4. GL60AA (R134a alternative)
5. Zel: GQD65Y

---

Focus Keyphrase: Comptek QD65H Compressor 1/6 HP R134a L/MBP Technical Specifications and Replacement Guide

SEO Title: Mbsmpro.com | Comptek QD65H Compressor | 1/6 HP | R134a | L/MBP Specifications

Meta Description: Discover the full technical data for the Comptek QD65H 1/6 HP compressor. Includes cooling capacity (160W), COP tables, R134a gas specs, and 10 cross-reference replacement models for refrigerators and freezers.

Slug: comptek-qd65h-compressor-1-6hp-r134a-specs

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, QD65H, Comptek, R134a Compressor, 1/6 HP Compressor, EMS 55HLC, TLES6.5FT.3, HYE69MT, GVY66AA, THB1355Y, Refrigeration Repair, LBP Compressor.

Excerpt: 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 its electrical characteristics, COP efficiency metrics, and provides a comprehensive list of equivalent models for seamless field replacement.