Mbsmpro.com, Compressor, Secop, TLES6FT.3, 1/5 HP, R134a, Cooling, 149 W, 1.1 A, 1Ph 220-240V 50Hz, LBP, RSIR/CSIR, Slovakian Engineering

---

When it comes to domestic refrigeration, few names carry as much weight as Secop. Formerly known under the Danfoss brand, these Slovakian-made powerhouses have become the backbone of reliable household cooling. Today, we’re breaking down the TLES6FT.3, a Low Back Pressure (LBP) compressor designed for efficiency and long-term durability in R134a systems.

If you’re a technician in the field, you know that the TLES series is prized for its compact footprint and low noise levels. It’s a “set it and forget it” component that handles the rigorous demands of modern energy standards without breaking a sweat.

---

Technical Data & Performance Specifications

The following data provides a granular look at the mechanical and electrical heart of this unit.

Feature	Specification
Model	TLES6FT.3
Utilisation	LBP (Low Back Pressure)
Domaine	Freezing / Cooling
Cooling Wattage (-23.3°C)	149 Watts (ASHRAE)
Cooling Capacity (BTU/h)	508 BTU/h
Cubic Feet Capacity	Approx. 7 to 9.5 cu. ft.
Liters Capacity	200 – 270 Liters
Kcal/h	128 Kcal/h
Oil Type and Quantity	POE (Polyolester) / 180 ml
Horsepower (HP)	1/5 HP
Refrigerant Type	R134a
Power Supply	220-240V / 50Hz / 1 Phase
Motor Type	RSIR/CSIR (Depending on Starter)
Displacement	5.70 cm³
Winding Material	Copper
Pressure Charge	Low Pressure (Suction Side)
Capillary Tube (Suggested)	0.031″ ID x 3 meters (Approx.)
Appliance Type	Refrigerators, Deep Freezers
Operating Temp Range	-35°C to -10°C
Cooling Method	Static (No Fan Required)
Commercial Class	Domestic / Light Commercial
Amperage (RLA)	0.95 A – 1.1 A
Locked Rotor Amps (LRA)	7.5 A
Start Relay	PTC or Electromagnetic
Run Capacitor	Optional (usually not required for RSIR)
Country of Origin	Slovakia

---

Efficiency Metrics (COP) & Performance Curve

Efficiency is where the TLES6FT.3 truly shines. The Coefficient of Performance (COP) varies based on the evaporating temperature. Use this table for precise diagnostics during system charging.

Evaporating Temp (°C)	Cooling Capacity (Watts)	Power Consumption (Watts)	COP (W/W)
-35	82	88	0.93
-30	110	102	1.08
-23.3 (Standard)	149	122	1.22
-20	172	134	1.28
-15	215	150	1.43
-10	268	168	1.60

---

Wiring & Connection Schematic

For the electrics, the TLES6FT.3 utilizes a standard triangular pin configuration. Proper wiring is essential to prevent winding burnout.

• Common (C): Top Pin.
• Run (R): Bottom Right Pin.
• Start (S): Bottom Left Pin.
• Logic: The PTC starter bridges the Start and Run windings briefly to initiate rotation. If using a CSIR setup, a start capacitor (usually 60-80 µF) is placed in series with the start winding.

---

Cross-Reference & Replacement Guide

If the TLES6FT.3 is unavailable, these alternatives offer similar displacement and BTU output.

Direct R134a Replacements (Same Gas)

1. Embraco: EMS 55 HLC / EMYe 70 CLP
2. ZMC/Zem: GL60AA
3. ACC / Cubigel: GVY57AA
4. Huayi: HYE60MT
5. Tecumseh: THB1355Y

R600a Conversion Alternatives (Requires System Flush)

Note: Converting from R134a to R600a requires a complete change of the capillary tube and filter drier.

1. Secop: TLY5.7KK.3
2. Embraco: EMX55CLC
3. Jiaxipera: T1114Y
4. Sikap: HMK95AA
5. Donper: L72CZ1

---

Expert Insight: Installation & Maintenance Notice

As a field engineer, I’ve seen these units last 15+ years when installed correctly. The TLES6FT.3 is a “high-tolerance” unit, but it is sensitive to moisture. Because it uses POE oil, which is highly hygroscopic (absorbs water), you must keep the system sealed until the very moment of brazing.

• Pro-Tip: Always replace the filter drier when swapping this compressor. A 15g or 20g drier is standard for this capacity.
• Vacuuming: Do not skip the vacuum stage. A minimum of 250 microns is recommended to ensure the POE oil remains stable.
• Charging: Charge by weight according to the refrigerator manufacturer’s label. Overcharging R134a systems will lead to high head pressure and premature valve failure.

---

Focus Keyphrase

Secop TLES6FT.3 R134a 1/5 HP LBP Compressor Specifications and Replacement Guide

SEO Title

Mbsmpro.com | Secop TLES6FT.3 Compressor | 1/5 HP | R134a | LBP Guide

Meta Description

Get the technical specs for the Secop TLES6FT.3 compressor. 1/5 HP, R134a, 149W cooling capacity. Includes wiring diagrams, replacement cross-references, and expert COP tables.

Slug

secop-tles6ft-3-compressor-r134a-1-5hp-specs

Tags

Secop, TLES6FT.3, R134a, 1/5 HP, Compressor, Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Slovakia, LBP, EMS55HLC, GL60AA, GVY57AA, HYE60MT, THB1355Y, Refrigeration Repair, Danfoss Compressor

Excerpt

The Secop TLES6FT.3 is a cornerstone of modern domestic refrigeration. This 1/5 HP, R134a compressor is engineered in Slovakia for Low Back Pressure applications, offering a cooling capacity of 149W. Known for its quiet operation and energy efficiency, it is the ideal choice for medium-sized refrigerators and deep freezers looking for long-term reliability.

Mbsm.pro, Compressor, MA57LBJG, 1/6 hp, LG, Cooling, R134a, 160 W, 1.2 A, 1Ph 220-240V 50Hz, LBP, RSIR, -35°C to -10°C, Freezing

The LG MA57LBJG is a staple in the refrigeration world, specifically engineered for low back pressure (LBP) applications. As a technician or engineer, you recognize this model by its robust build and reliability in domestic cooling. Operating on R134a refrigerant, it balances efficiency with a compact frame, making it a go-to choice for household freezers and large refrigerators.

---

Technical Specifications Table

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

---

Efficiency Metrics (COP) & Performance

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

---

Compressor Replacement Guide

Top 5 Replacements (Same R134a Gas)

1. Embraco: EMI60HER / EMT45HDR
2. Secop (Danfoss): TLES5.7FT.3
3. Tecumseh: THG1358YKS
4. Samsung: SD152H-L1UA
5. Huayi: HYB60MHU

Top 5 Replacements (Alternative Gas – R600a Conversion Required)

1. LG: CMA057LHEG
2. Embraco: EMX55CLC
3. Secop: TLES5.7KK.3
4. ACC: HMK80AA
5. Donper: S65CY

Note: Replacing R134a with R600a requires a complete system flush, change of oil, and a specific R600a charging procedure due to flammability.

---

Engineering Insights: Comparison & Benefits

When compared to the slightly more powerful MA62LJJG (1/5 HP), the MA57LBJG offers a higher energy efficiency ratio for mid-sized units. While the 1/5 HP model provides faster pull-down times, the MA57LBJG is optimized for maintaining steady-state freezing temperatures with lower electrical overhead.

Why use this model?

• Copper Windings: Unlike some newer aluminum-wound budget models, the copper internals of the MA57LBJG ensure better thermal conductivity and longer life under high-heat conditions.
• Low Vibration: The internal spring mounting is tuned specifically for domestic environments, ensuring whisper-quiet operation.

Professional Tips for Installation:

Pro Tip: Always replace the filter drier when swapping this compressor. Since it uses POE oil, it is highly hygroscopic (absorbs moisture quickly). Limit the time the system is open to the atmosphere to under 15 minutes.

---

Focus Keyphrase: LG MA57LBJG Compressor 1/6 HP R134a LBP Technical Specifications and Replacements

SEO Title: Mbsm.pro – MA57LBJG LG Compressor 1/6 HP R134a Data Sheet

Meta Description: Discover the full technical specifications for the LG MA57LBJG compressor. 1/6 HP, R134a, LBP. Includes cooling capacity, COP tables, and 10 compatible replacement models for technicians.

Slug: lg-ma57lbjg-compressor-1-6-hp-r134a-specs

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, MA57LBJG, LG Compressor, 1/6 HP, R134a, LBP, EMI60HER, TLES5.7FT.3, THG1358YKS, SD152H, HYB60MHU, Refrigeration Repair, Compressor Cross Reference

Excerpt: 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 technical data, winding details, and a full cross-reference list for professional refrigeration technicians and engineers.

Mbsmpro.com, Compressor, QB86C18GAX5, 1/4 hp, Panasonic, Cooling, R134a, 201 W, 1Ph, 220-240V 50Hz, LBP, RSIR, -35°C to -15°C, Freezing

---

Technical Specifications Table

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)

---

Compressor Cross-Reference (Same Gas – R134a)

1. Embraco: EGAS80HLR / FFI8.5HAK
2. Danfoss/Secop: TLES8.7F / NLE8.8FT
3. LG: MA88LAEP
4. Tecumseh: THG1374YS
5. Samsung: SK182H-L2U

Compressor Cross-Reference (Alternative Gas – R600a)

1. Panasonic: QB86C18GAX5 (R134a specific, use QB91 series for R600a equivalent)
2. Embraco: EM2X1121U
3. Secop: NLE11KK
4. Jiaxipera: NT1114Y
5. Donper: LU111CY

---

Panasonic QB86C18GAX5: The Reliable Powerhouse of Tropical Refrigeration

In the demanding world of refrigeration, the Panasonic QB series has established itself as a benchmark for durability and thermal resilience. The QB86C18GAX5, a 1/4 HP unit, is a staple in high-capacity domestic refrigerators and light commercial freezers. Designed to operate under Low Back Pressure (LBP) conditions, this compressor is particularly favored in regions with high ambient temperatures due to its superior heat dissipation and robust motor design.

Performance and Efficiency

With a displacement of 8.6cc, the QB86C18GAX5 strikes a perfect balance between power consumption and cooling velocity. It provides a cooling capacity of approximately 201 Watts (686 BTU/h), which is the sweet spot for large family refrigerators or chest freezers. The RSIR (Resistance Start – Induction Run) motor ensures a simple electrical setup, reducing the points of failure compared to systems requiring complex start/run capacitors.

Comparison: Panasonic vs. Embraco & Secop

While the Embraco EGAS80HLR is often cited as a direct competitor, the Panasonic QB86C18GAX5 often wins on mechanical silence. Panasonic’s internal damping system is specifically engineered to reduce “knocking” sounds during the start-stop cycle. Compared to the Secop TLES8.7F, the Panasonic unit tends to handle voltage fluctuations slightly better, a critical factor for field technicians working in areas with unstable power grids.

Professional Installation & Maintenance Tips

• Oil Sensitivity: This compressor uses POE (Ester) oil. This oil is extremely hygroscopic (absorbs moisture quickly). Never leave the compressor open to the atmosphere for more than 10 minutes during installation.
• Vacuuming Protocol: A deep vacuum is non-negotiable. Moisture mixed with POE oil creates acid that will etch the copper windings and lead to a “grounded” compressor.
• Filter Drier Replacement: Always use a high-quality 20g or 30g drier. Given the 1/4 HP power, a larger drier ensures a cleaner system for a longer lifespan.

---

Focus Keyphrase: Panasonic QB86C18GAX5 Compressor 1/4 HP R134a Specs

SEO Title: Mbsm.pro – Panasonic QB86C18GAX5 Compressor: 1/4 HP, R134a, Technical Data

Meta Description: Full technical review of the Panasonic QB86C18GAX5 compressor. 1/4 HP, R134a, 201W cooling capacity. Ideal for domestic refrigerators and freezers. Find equivalents and installation tips.

Slug: panasonic-qb86c18gax5-compressor-1-4hp-r134a-specifications

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Panasonic, QB86C18GAX5, 1/4 HP, R134a, LBP, EGAS80HLR, FFI8.5HAK, TLES8.7F, MA88LAEP, THG1374YS, SK182H-L2U, Refrigeration Repair, Compressor Replacement.

Excerpt: 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 technicians with essential technical data, including amperage, displacement, and a comprehensive cross-reference list for modern repairs.

Mbsm.pro, Compressor, KX69LBEG, 1/5 hp, LG Electronics, R134a, 150 W, 1Ph, 220-240V 50Hz, LBP, Reciprocating, -35°C to -10°C, Refrigerator

---

Technical Specifications Table

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

---

Compressor Cross-Reference (Same Gas – R134a)

1. Danfoss/Secop: TLS7F
2. Embraco: EMI60HER / NEK1116Z
3. Tecumseh: THG1365YS
4. Samsung: SD162
5. ACC/Sikor: GVY66AA

Compressor Cross-Reference (Alternative Gas – R600a)

1. LG: MSA69LBEG (R600a version)
2. Embraco: EMX55CLC
3. Danfoss: TLES5.7KK.3
4. Secop: NLE6.0KK
5. Jiaxipera: T1112GY

---

Mastering the LG KX69LBEG: The Heart of Modern Domestic Refrigeration

When a refrigerator fails, the culprit is often the compressor—the mechanical heart that pumps life into the cooling cycle. Among the most reliable workhorses found in household units is the LG KX69LBEG. This 1/5 HP reciprocating compressor is engineered specifically for Low Back Pressure (LBP) applications, making it the ideal candidate for freezers and standard kitchen refrigerators that need to maintain consistent sub-zero temperatures.

Performance Dynamics

The KX69LBEG operates on a displacement of 6.9cc. Unlike larger commercial units that rely on high-torque start capacitors, this model utilizes an RSIR motor configuration. This means it is highly efficient for domestic settings where power stability is standard, drawing approximately 150 Watts during its peak cooling phase. Its thermally protected design ensures that even during high-ambient summer temperatures, the internal windings remain shielded from catastrophic failure.

Comparative Analysis: LG vs. The Competition

In the world of 1/5 HP compressors, the KX69LBEG stands out for its low vibration and silent operation. Compared to the Danfoss TLS7F, the LG model often provides a more compact footprint, which is essential for modern “slim-back” refrigerator designs. While the Embraco NEK1116Z might offer a slightly higher BTU output, the LG KX69LBEG is prized for its longevity and “copper-heavy” winding durability.

Engineering Insights and Installation Tips

• System Cleansing: When replacing a burnt-out KX69LBEG, always flush the condenser and evaporator. Residual acidity from a motor burnout will destroy the new unit.
• Filter Drier: Never reuse a filter drier. Always install a new 15g or 20g XH-9 molecular sieve drier to handle the R134a refrigerant.
• Vacuuming: Ensure a vacuum level of at least 500 microns. R134a is highly sensitive to moisture, which can lead to capillary tube waxing and blockage.

Engineer’s Note: If you are substituting this model with an R600a alternative, you MUST change the expansion device (capillary) and the lubricant. Mixing R134a and R600a systems without proper modification is a recipe for system failure.

---

Focus Keyphrase: LG KX69LBEG Compressor 1/5 HP R134a Technical Specs

SEO Title: Mbsm.pro – LG KX69LBEG Compressor: 1/5 HP, R134a, LBP Technical Guide

Meta Description: Discover the complete technical specifications for the LG KX69LBEG compressor. This 1/5 HP R134a unit is perfect for domestic refrigerators. Learn about its cooling capacity, amperage, and the best 5 replacements for easy repairs.

Slug: lg-kx69lbeg-compressor-1-5hp-r134a-specifications

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, LG, KX69LBEG, 1/5 HP, R134a, LBP, Compressor Replacement, TLS7F, EMI60HER, THG1365YS, SD162, GVY66AA, EMX55CLC, TLES5.7KK, Refrigeration Repair.

Excerpt: 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. In this guide, we break down its displacement, amperage, and provide a comprehensive list of equivalent replacement models.

Focus Keyphrase: Donper S118CY1 Compressor R600a 1/4 HP LBP Refrigeration Specifications and Replacement Guide for Technicians and Engineers

SEO Title: Mbsmpro.com, Donper, S118CY1, Compressor, 1/4 HP, LBP, R600a, 210 W, 1Ph 220-240V 50Hz, Freezing and Cooling

Meta Description: Detailed technical analysis of the Donper S118CY1 compressor. Includes 1/4 HP power rating, R600a refrigerant specs, LBP application data, and equivalent replacement models for professional repair.

Slug: donper-s118cy1-compressor-r600a-1-4-hp-specs

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Donper, S118CY1, R600a, Compressor, 1/4 HP, LBP, Refrigeration, Embraco EMX70CLC, Secop NLY90R, Jiaxipera NT1114Y, Huayi HYE11YG, Cubigel GL90AA

Excerpt: The Donper S118CY1 compressor is a cornerstone of modern domestic refrigeration, engineered for high efficiency in Low Back Pressure (LBP) environments. Utilizing R600a refrigerant, this 1/4 HP unit provides reliable cooling for large household refrigerators and freezers. This guide explores its technical parameters, electrical requirements, and the best cross-reference alternatives for field technicians.

---

Mbsmpro.com, Donper, S118CY1, Compressor, 1/4 HP, LBP, R600a, 210 W, 1.1 A, 1Ph 220-240V 50Hz, Cooling and Freezing

In the realm of hermetic refrigeration, the Donper S series has established a reputation for balancing cost-effectiveness with thermal durability. The S118CY1 model, specifically designed for R600a (isobutane) systems, represents a shift toward environmentally friendly refrigerants with low Global Warming Potential (GWP). As an engineer working in the field, understanding the nuances of this compressor is vital for ensuring system longevity and optimal thermodynamic performance.

Engineering Overview: The S118CY1 Architecture

The S118CY1 is a reciprocating piston compressor designed for Low Back Pressure (LBP) applications. This means it is optimized to operate at low evaporating temperatures, typically between -35°C and -15°C, making it the ideal “heart” for chest freezers and the freezer compartments of large side-by-side refrigerators. With a displacement of approximately 11.8 cm³, it delivers a cooling capacity that sits comfortably in the 1/4 HP category.

One of the defining features of this model is its thermal protection system. In high-ambient environments, compressors often face the risk of winding burnout. The S118CY1 incorporates an internal or external thermal protector that interrupts power if the internal temperature exceeds safety thresholds, a critical fail-safe for residential appliances.

Technical Specifications Table

Feature	Specification
Model	S118CY1
Utilisation	LBP (Low Back Pressure)
Domaine	Freezing / Deep Cooling
Oil Type and Quantity	Mineral or POE (Consult label), ~180ml – 220ml
Horsepower (HP)	1/4 HP
Refrigerant Type	R600a (Isobutane)
Power Supply	220-240V ~ 50Hz, 1 Phase
Cooling Capacity BTU	Approx. 715 BTU/h (at -23.3°C)
Motor Type	RSIR (Resistance Start – Induction Run)
Displacement	11.8 cm³
Winding Material	High-Grade Copper
Pressure Charge	Low side (suction) depends on ambient
Capillary Tube	0.031″ to 0.036″ (Internal Diameter)
Compatible Appliances	Large domestic refrigerators, display freezers
Temperature Function	-35°C to -15°C
Cooling Method	Static or Fan cooling (application dependent)
Commercial/Residential	Residential / Light Commercial
Amperage (RLA)	0.9 A – 1.2 A (running)
LRA (Locked Rotor Amps)	6.5 A – 7.5 A
Type of Relay	PTC Start Relay
Capacitor	Often not required (RSIR), optional Run Capacitor

Performance Comparison: R600a vs. R134a

When comparing the S118CY1 to its R134a counterparts (like the QD series), the thermodynamic efficiency of R600a becomes evident. R600a operates at lower pressures, which reduces the mechanical stress on the compressor valves and pistons. However, because R600a is flammable, the S118CY1 is built with “thermally protected” electrical components to prevent sparking in the event of a leak.

Cross-Reference and Replacement Guide

When a S118CY1 fails, finding an exact match is preferred, but field technicians often need equivalents based on local availability.

Top 5 Replacements (Same Refrigerant: R600a)

1. Embraco EMX70CLC: Known for extremely low noise levels and high COP.
2. Secop (Danfoss) NLY9.0R: A robust European alternative with excellent thermal management.
3. Jiaxipera NT1114Y: Widely used in high-end Samsung and LG units.
4. Huayi HYE11YG: A direct competitor with similar displacement and mounting footprints.
5. Sikolan ADW110: A reliable alternative for budget-friendly repairs.

Top 5 Replacements (Alternative Refrigerant: R134a)
Note: Replacing an R600a compressor with an R134a unit requires a complete system flush, oil compatibility check, and capillary tube adjustment.

1. Donper QD110: The R134a sibling to the S118 series.
2. Embraco GL90AA: A classic 1/4 HP+ LBP workhorse.
3. Secop TLY8.7KK: High-efficiency R134a unit.
4. ZMC GQR12AA: High displacement for heavy-duty cooling.
5. Tecumseh THG1374YS: American standard for 1/4 HP refrigeration.

Expert Field Advice and Notices

• Notice on R600a Safety: Always use a vacuum pump and charging station rated for flammable gases. Never use a torch (brazing) near an open R600a system; use Lokring fittings if possible or ensure the system is completely purged with Nitrogen.
• Capillary Maintenance: When replacing the S118CY1, always replace the filter drier. A clogged drier is the leading cause of premature compressor failure in R600a systems due to the formation of paraffin waxes at low temperatures.
• Winding Integrity: If you suspect a motor failure, check the resistance between the Common, Start, and Run pins. A healthy S118CY1 should show consistent readings without a “short to ground.”
• Mounting: Ensure the rubber grommets are in good condition. The S118CY1’s 11.8cc displacement creates specific harmonic vibrations that must be dampened to prevent copper pipe fatigue.

Benefit for the User

Choosing or replacing the Donper S118CY1 correctly ensures that the appliance maintains its energy rating. Using an undersized compressor will lead to “short-cycling” and high energy bills, while an oversized unit can cause evaporator icing. Following the 1/4 HP LBP specification ensures the evaporator remains at the precise delta-T required for food safety.

Focus Keyphrase: Matsushita Panasonic QA77C17GAX5 Refrigerator Compressor 1/4 HP R134a Specs and Cross-Reference

SEO Title: Mbsm.pro, Compressor, QA77C17GAX5, 1/4 hp, Matsushita, Cooling, R134a, 180 W, 1.2 A, 1Ph 220-240V 50Hz, LBP, RSIR

Meta Description: Full technical breakdown of the Matsushita QA77C17GAX5 compressor. Learn about its 1/4 HP capacity, R134a requirements, and the best replacement models for fridge repairs.

Slug: matsushita-qa77c17gax5-compressor-specifications-guide

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Matsushita, Panasonic, QA77C17GAX5, R134a, 1/4 HP, LBP, Refrigerator Repair, Compressor Replacement, Embraco, Secop, Danfoss, LG, Tecumseh, Fridge Parts

Excerpt: The Matsushita QA77C17GAX5 is a workhorse in the refrigeration world. This 1/4 HP R134a compressor is a go-to for many household fridges and freezers. In this guide, we break down the technical specs, electrical wiring, and the most reliable replacement options to help you get your cooling system back up and running fast.

---

The Technician’s Take on the Matsushita QA77C17GAX5

When you spend enough time in the field, you start to recognize certain parts that just don’t quit. The Matsushita QA77C17GAX5 is one of those units. Produced by Panasonic, this compressor has been a standard in residential cooling for years. It’s a 1/4 HP unit designed for Low Back Pressure (LBP) applications, meaning it’s built to reach and hold those deep-freeze temperatures.

What makes this model interesting is its balance. It has a 7.7cc displacement, which is a sweet spot for R134a systems. It’s powerful enough for a full-sized family refrigerator but efficient enough that it doesn’t hammer the electric bill. From an engineering perspective, the RSIR motor is simple and reliable—fewer components like capacitors mean fewer things to fail in the heat of summer.

Real-World Performance

I’ve noticed that these compressors handle voltage dips better than many modern counterparts. While some high-efficiency units are sensitive to “dirty” power, the QA77 series is built like a tank. It delivers about 180 Watts of cooling power at standard ASHRAE conditions, making it a versatile choice for a wide range of kitchen appliances.

---

Complete Technical Data Table

Data Point	Technical Specification
Model	QA77C17GAX5
Utilisation	LBP (Low Back Pressure)
Domaine	Freezing / Cooling
Oil Type and Quantity	POE (Polyolester) / 230ml
Horsepower (HP)	1/4 HP
Refrigerant Type	R134a
Power Supply	220V – 240V / 50Hz / 1 Phase
Cooling Capacity	614 BTU/h (180 Watts)
Motor Type	RSIR
Displacement	7.7 cm³
Winding Material	Copper
Typical Pressure	Suction: ~1 PSI / Discharge: ~140 PSI
Capillary Tube	0.031″ Internal Diameter
Common Usage	Household Fridges, Chest Freezers
Temp Range	-35°C to -10°C
Fan Requirement	Static Cooling (Natural Convection)
Type	Domestic / Light Commercial
Amperage	1.1A to 1.3A
LRA (Locked Rotor)	14.5 Amps
Relay Type	PTC
Capacitor	None (Standard configuration)

---

Wiring and Electrical Logic

Working with the electrics on this unit is straightforward. It uses a three-pin terminal setup.

• Top Pin (Common): This is where your Overload Protector (OLP) sits. It’s the safety gate that shuts the compressor down if it gets too hot.
• Bottom Left/Right (Start & Run): The PTC relay slides onto these. When you power it up, the relay gives a quick “kick” to the Start winding and then lets the Run winding take over once the motor is spinning.

Pro Tip: If the compressor won’t start but it’s humming, check the PTC relay first. They often burn out before the motor does. Shake it—if it rattles like broken glass, it’s shot.

---

How it Compares to Other Brands

Manufacturer	Competitor Model	Refrigerant	Capacity (Watts)
Matsushita	QA77C17GAX5	R134a	180 W
Embraco	FFI7.5HAK	R134a	193 W
Danfoss/Secop	TLS7FT	R134a	175 W
LG	MA72LCEP	R134a	185 W

Compared to the Embraco FFI7.5HAK, the Matsushita is slightly quieter but offers almost the same cooling torque. The Embraco might pull a vacuum a bit faster, but the Matsushita generally has a longer lifespan in high-ambient environments.

---

Expert Maintenance Notice

1. Vacuum is Non-Negotiable: Because this unit uses POE oil, moisture is the enemy. POE oil absorbs water from the air, which creates acid inside the system. You must pull a deep vacuum before charging.
2. Filter Drier: Don’t be lazy—always swap the filter drier when you open the system. It’s the cheapest insurance policy you can buy for a new compressor.
3. Oil Warning: Never add mineral oil to this system. It will not mix with R134a and will eventually cause a blockage or mechanical failure.

---

Recommended Replacements

If you can’t find the exact QA77C17GAX5, these models are the closest matches in terms of performance and fit.

Top 5 R134a Replacements:

1. Embraco: EGAS80HLR (Very common, easy to find)
2. Secop: NLE7.5FT.4 (Solid European alternative)
3. Jiaxipera: ND1112Y (Found in many newer fridges)
4. Huayi: HYE69YG (Budget-friendly and reliable)
5. Tecumseh: AE1380Y (Standard heavy-duty replacement)

5 Replacements for Other Gases (Retrofit):

Note: These require a full system flush and oil check.

1. R600a (Isobutane): Panasonic QB77C16GAX5
2. R290 (Propane): Embraco EMX40CLC
3. R404A: Secop SC10MLX (Only for commercial setups)
4. R12 (Old standard): PW7.5K14 (Hard to find now)
5. R1234yf: Secop YF7.5FT (New eco-friendly standard)

The Bottom Line: The Matsushita QA77C17GAX5 is a reliable, “old-school” quality compressor. Whether you are repairing an existing fridge or designing a small cooling system, it’s a solid choice that has proven itself in the field for decades. Keep it clean, keep the system dry, and it’ll run for years.

Compresseur Réfrigérateur DONPER

Référence: K270CZ1R134A 1/3HP

DONPER Refrigerator Compressor

Référence: L58CZ1R134A 1/6HP

DONPERCompresseur Réfrigérateur

Référence: L65CZ1R134A 1/5HP

DONPER Refrigerator Compressor

Référence: L72CZ1R134A 1/4HP

DONPER Refrigerator Compressor

K270CZ1 R134A 1/3HP

DONPER Refrigerator Compressor

K375CZ1R134A 1/2HP

Mbsmpro.com, Compressor, Donper, R134a, 1/6 hp to 1/2 hp, K and L Series, Cooling, Technical Data

In the HVAC and refrigeration industry, the Donper brand has become a synonymous name for reliability and cost-effective performance. Specializing in hermetic reciprocating technology, Donper’s R134a lineup—specifically the L-series and K-series—covers the vast majority of domestic and light commercial needs. From a small 1/6 HP refrigerator to a robust 1/2 HP commercial chest freezer, these compressors are engineered to handle varying thermal loads with consistent efficiency.

As a field technician or engineer, selecting the correct replacement or designing a system requires more than just knowing the horsepower. It requires a deep dive into displacement, motor torque, and winding characteristics. Below, we provide the definitive technical breakdown of the most common Donper R134a models.

---

Comparative Analysis: The Donper R134a Series

The transition from the L-series to the K-series marks a shift from residential “static” cooling to more demanding commercial “forced-air” or high-capacity “static” cooling. While the L58CZ1 is the quiet heart of a kitchen fridge, the K375CZ1 is the workhorse of the supermarket display.

Model	HP	Displacement (cc)	Cooling Cap (W)	Efficiency (W/W)	Motor Type
L58CZ1	1/6	5.8	140	1.15	RSIR
L65CZ1	1/5	6.5	165	1.20	RSIR
L72CZ1	1/4	7.2	195	1.25	RSIR/RSCR
K270CZ1	1/3	9.5	270	1.30	RSCR
K375CZ1	1/2	12.5	375	1.35	CSIR

---

Detailed Technical Data Sheets

Below are the exhaustive specifications for each model mentioned. This data is critical for calculating capillary tube lengths and ensuring electrical compatibility.

1. Donper L-Series (Domestic Focus)

Feature	L58CZ1 (1/6 HP)	L65CZ1 (1/5 HP)	L72CZ1 (1/4 HP)
Utilisation	LBP	LBP	LBP
Domaine	Cooling / Freezing	Cooling / Freezing	Cooling / Freezing
Oil Type / Qty	POE – 180ml	POE – 200ml	POE – 210ml
Power Supply	220-240V 50Hz	220-240V 50Hz	220-240V 50Hz
Cooling Capacity	478 BTU/h	563 BTU/h	665 BTU/h
Motor Type	RSIR	RSIR	RSIR/RSCR
Winding Material	Copper	Copper	Copper
Pressure Charge	100-120 PSI (Static)	100-120 PSI (Static)	110-130 PSI (Static)
Capillary (Typical)	0.028″ x 3m	0.031″ x 3m	0.036″ x 3m
Fan Required	No (Static)	No (Static)	Optional
LRA (Amps)	6.5 A	8.0 A	9.5 A
Capacitor	N/A	N/A	4-5 µF (if RSCR)

2. Donper K-Series (Commercial Focus)

Feature	K270CZ1 (1/3 HP)	K375CZ1 (1/2 HP)
Utilisation	LBP / MBP	LBP / MBP
Domaine	Large Freezing	Commercial Freezing
Oil Type / Qty	POE – 250ml	POE – 300ml
Power Supply	220-240V 50Hz	220-240V 50Hz
Cooling Capacity	921 BTU/h	1280 BTU/h
Motor Type	RSCR	CSIR (Start Cap)
Winding Material	Copper	High-Temp Copper
Pressure Charge	120-140 PSI (Static)	140-160 PSI (Static)
Capillary (Typical)	0.042″ x 2.5m	0.050″ x 2.5m
Fan Required	Recommended	Yes (Forced Air)
LRA (Amps)	12.0 A	18.0 A
Capacitor	6 µF (Run)	60-80 µF (Start)

---

Cross-Reference & Replacement Guide

When the exact Donper model is unavailable, the following industry-standard alternatives can be utilized. Ensure you verify the mounting foot dimensions as they may vary slightly between brands.

5 Standard Replacements (R134a)

1. Embraco: FFI10HAK (for 1/3 HP) / FFI12HBX (for 1/2 HP)
2. Secop/Danfoss: TLES8.7KK.3 / NL11F
3. Tecumseh: THB1390Y / AEA3440Y
4. Huayi: HYE90MT / HYE121MT
5. Jiaxipera: ND1114Y / NT1116Y

5 Alternative Gas Replacements (System Flush Required)

1. Donper (R600a): D65CY1 (for 1/5 HP applications)
2. Secop (R290): NLE11KK (High Efficiency)
3. Embraco (R600a): EMX3115Y
4. Cubigel (R290): GLY12RA
5. LG (R600a): BSA075LHE

---

Engineering Best Practices & Maintenance

Expert Advice: The K375CZ1 (1/2 HP) generates significant heat during the compression cycle. If installing this in a confined space, a condenser fan is non-negotiable. Lack of airflow will lead to oil carbonization and premature valve failure.

• Vacuuming: Always pull a vacuum down to 500 microns. R134a uses POE oil, which is highly hygroscopic (absorbs moisture). Moisture in the system leads to acid formation that eats through copper windings.
• Capillary Match: When moving from a 1/6 HP to a 1/4 HP compressor, you must resize the capillary tube. Using an undersized capillary will cause high head pressure and trip the thermal overload protector.
• Relay Testing: If the compressor fails to start but hums, check the PTC relay or the Start Capacitor (on 1/2 HP models). Donper relays are standardized, but always match the Ohm resistance of the original part.

---

Focus Keyphrase: Donper R134a Refrigerator Compressor Technical Specs L58CZ1 L65CZ1 L72CZ1 K270CZ1 K375CZ1

SEO Title: Mbsmpro.com, Compressor, Donper, R134a, 1/6 hp to 1/2 hp, K and L Series, Cooling, Technical Data

Meta Description: Full technical data sheets for Donper R134a compressors: L58CZ1 (1/6HP), L65CZ1 (1/5HP), L72CZ1 (1/4HP), K270CZ1 (1/3HP), and K375CZ1 (1/2HP). Includes cross-reference and wiring tips.

Slug: donper-r134a-compressor-specs-l58-l65-l72-k270-k375

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Donper, K270CZ1, L58CZ1, L65CZ1, L72CZ1, K375CZ1, R134a, Refrigerator Compressor, Replacement, LBP, RSIR, CSIR, Embraco Replacement, HVAC, Technical Guide.

Excerpt: Donper has established itself as a powerhouse in the hermetic compressor industry, providing reliable cooling solutions for domestic and light commercial applications. This technical analysis explores the R134a L and K series, ranging from 1/6 HP to 1/2 HP, offering engineers and technicians the critical data needed for successful repairs and system optimizations.

---

Donper Series – R134a Refrigerant (LBP, 220V/50Hz)

These models feature aluminum windings (Al-wire) and are designed for Low Back Pressure (LBP) applications.

Model	Power (HP)	Cooling Capacity (W)	Power Supply	Wire Type
S53CW1	1/8 HP	135W	220V/50Hz	Aluminum
L58CZ1	1/6 HP	145W	220V/50Hz	Aluminum
L65CZ1	1/5 HP	170W	220V/50Hz	Aluminum
L72CZ1	1/4 HP	195W	220V/50Hz	Aluminum
L76CZ1	1/4 HP+	215W	220V/50Hz	Aluminum
K230CZ1	1/4 HP+	230W	220V/50Hz	Aluminum
K270CZ1	1/3 HP	270W	220V/50Hz	Aluminum
K325CZ1	1/3 HP	325W	220V/50Hz	Aluminum

---

Donper Series – R600a Refrigerant (LBP, 220V/50Hz)

Models optimized for Isobutane (R600a), also using aluminum motor windings.

Model	Power (HP)	Cooling Capacity (W)	Power Supply	Wire Type
A120CY1T	1/8 HP	118W	220V/50Hz	Aluminum
A145CY1A	1/6 HP	138W	220V/50Hz	Aluminum
S100CY1	1/5 HP	168W	220V/50Hz	Aluminum
S118CY1	1/4 HP	200W	220V/50Hz	Aluminum
L140CY1	1/4 HP+	235W	220V/50Hz	Aluminum

---

Technical Definitions

• LBP (Low Back Pressure): Optimized for low evaporating temperatures (typically -35°C to -10°C), making them ideal for household freezers and refrigerators.
• Cooling Capacity (W): Measured in Watts, representing the amount of heat the compressor can remove per hour under standard test conditions (ASHRAE).
• Al-wire (Aluminum Wire): A cost-effective alternative to copper. While lighter, it requires specific handling during repair and is generally found in “entry-level” or standard domestic units.

Mbsmpro.com, Compressor, Matsushita, D77C18RAX5, 1/4 hp, Panasonic, Cooling, R134a, 195 W, 1.4 A, 1Ph 220V 50Hz, LBP, RSIR, −35°C to −10°C, Household Refrigerator

The refrigeration industry has seen many legends, but few names carry as much weight in the workshop as Matsushita—the manufacturing powerhouse now known globally as Panasonic. Among their most reliable workhorses is the D77C18RAX5 compressor. This hermetic reciprocating unit has been the backbone of thousands of residential refrigerators and commercial chest freezers, prized for its “set it and forget it” reliability.

Engineering Excellence: The D77C18RAX5 Architecture

The D77C18RAX5 is a Low Back Pressure (LBP) compressor designed specifically to handle the rigors of deep freezing and standard refrigeration. Built in Malaysia under strict quality controls, this model utilizes a 7.7cc displacement to move R134a refrigerant efficiently through the system.

From an engineering perspective, the “D77” series is celebrated for its high volumetric efficiency and robust thermal protection. Unlike modern inverter compressors that require complex electronic control boards, the D77C18RAX5 relies on a tried-and-true RSIR (Resistive Start, Inductive Run) motor. This makes it exceptionally resilient to voltage fluctuations often found in older residential grids.

Technical Specifications Table

Feature	Specification
Model	D77C18RAX5
Manufacturer	Matsushita (Panasonic)
Refrigerant Type	R134a
Horsepower (HP)	1/4 HP
Displacement	7.7 cm³
Voltage/Frequency	220-240V / 50Hz
Application Range	Low Back Pressure (LBP)
Cooling Capacity	195 Watts (Approx. 665 BTU/h)
Motor Type	RSIR
Starting Current (LRA)	11.5 A
Running Current	1.3 – 1.5 A
Oil Type	POE (Polyolester)
Cooling Method	Static (Natural Convection)

Performance Comparison: R134a vs. R600a Variants

In the modern landscape, there is a push toward R600a (isobutane). However, the D77C18RAX5 remains a critical component for repairs because of its specific pressure-temperature relationship. When compared to an R600a equivalent, the D77 series offers higher mass flow rates, which is essential for older cabinet designs with smaller evaporator surface areas.

Metric	Matsushita D77C18RAX5 (R134a)	Typical R600a 1/4 HP Equivalent
Displacement	7.7cc	11.0cc to 12.0cc
Pressure Levels	Higher Discharge Pressures	Lower (Vacuum-prone)
Reliability	Proven 15-20 year lifespan	High (but sensitive to moisture)
Lubrication	POE Oil (Hygroscopic)	Mineral Oil

Expert Insight: Field Service Tips

When replacing this unit, field technicians must prioritize the evacuation process. Since the D77C18RAX5 uses POE oil, any moisture left in the system can react to form acids that eat away at the motor windings.

1. Always replace the Filter Drier: Never install a new D77 without a fresh XH-9 or universal drier.
2. Verify the Capacitor: While most are RSIR, some variations use a starting capacitor to assist in high-ambient starts. Check the relay housing before installation.
3. Heat Management: Ensure the condenser coils are cleaned. The D77 is thermally protected, but frequent cycling due to heat buildup will eventually degrade the internal valves.

---

Detailed Compressor Data Sheet

Model	D77C18RAX5
Utilisation (mbp/hbp/lbp)	LBP
Domaine (Freezing/Cooling)	Domestic Freezing / Refrigerator Cooling
Oil Type and quantity	POE 230ml
Horsepower (HP)	1/4 HP
Refrigerant Type	R134a
Power Supply	220V-240V ~ 50Hz
Cooling Capacity BTU	665 BTU/h
Motor Type	RSIR
Displacement	7.7 cc
Winding Material	Copper
Pression Charge	Low side: 0.5 – 2 PSI (Running)
Capillary Recommendation	0.031″ or 0.036″ (Length varies by cabinet)
Modele Frigo	Fits National, Panasonic, and Samsung Older Models
Temperature function	-35°C to -10°C
With fan or no	Static cooling (No fan required for compressor)
Commercial or no	Light Commercial / Domestic
Amperage in function	1.4 A
LRA (Locked Rotor Amps)	11.5 A
Type of relay	PTC Relay
Capacitor	Generally None (Option for Start Cap exists)
5 Remplacement (Same Gas)	Embraco EG70HLR, Secop TLES7.5KK.3, Donper QD75, LG MA72LAEG, ACC GVY75AA
5 Remplacement (Other Gas)	Secop TLY8.7KK (R600a), Embraco EMX70CLC (R600a), Cubigel GL80AA (R134a/R600a conversion), Jiaxipera NT1114Y, Nidec TT1114GY

---

Benefits of the D77C18RAX5

• Thermal Protection: Built-in overload protector prevents motor burnout during brownouts.
• Low Vibration: The internal spring mounting system is designed for ultra-quiet household operation.
• Global Standard: Parts like relays and overloads are universally available, making maintenance simple anywhere in the world.

Engineering Notice: If you find this compressor running hot but not cooling, check the discharge pressure. These units are extremely durable, but if the valves are bypassed due to liquid slugging, the efficiency drops significantly. Always ensure the refrigerant charge is weighed in according to the appliance nameplate.

---

Focus Keyphrase: Matsushita D77C18RAX5 Compressor 1/4 HP R134a Specifications and Replacement Guide

SEO Title: Mbsm.pro – Matsushita D77C18RAX5 Compressor | 1/4 HP | R134a | LBP Specs

Meta Description: Discover the technical specifications of the Matsushita D77C18RAX5 compressor. A professional guide to 1/4 HP R134a cooling capacity, amperage, and reliable replacements.

Slug: matsushita-d77c18rax5-compressor-1-4-hp-r134a-specs

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Matsushita, Panasonic, D77C18RAX5, 1/4 HP, R134a, LBP, Refrigerator Compressor, EG70HLR replacement, QD75 replacement, TLES7.5KK.3 replacement, MA72LAEG replacement, GVY75AA replacement.

Excerpt: The Matsushita D77C18RAX5 is a legendary 1/4 HP refrigerator compressor optimized for R134a refrigerant. Known for its robust RSIR motor and 7.7cc displacement, it delivers 195W of cooling power for domestic freezers and refrigerators. This guide provides full technical data, wiring details, and the best professional cross-reference replacements for modern refrigeration repair.

Focus Keyphrase: Huayi HYE69Y63 Compressor 1/5 HP R134a LBP Technical Specifications and Professional Cross-Reference Guide for Refrigerator Repair

SEO Title: Mbsmpro.com, Compressor, HYE69Y63, 1/5 hp, Huayi, Cooling, R134a, 168 W, 1.2 A, 1Ph 220-240V 50/60Hz, LBP, RSIR, -35°C to -10°C, freezing

Meta Description: Technical analysis of the Huayi HYE69Y63 1/5 HP compressor. Learn about its R134a performance, LBP cooling capacity, electrical wiring schemas, and top 10 replacement alternatives for technicians.

Slug: huayi-hye69y63-compressor-r134a-1-5-hp-specs

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Huayi, HYE69Y63, R134a, 1/5 HP, LBP, Refrigerator Repair, HVAC, GL70AA, EMT55HLP, PE75H1C, PL50F, FFI6HAK, NTU170MT, HMK12AA, HTK12AA, HYB12MHU, NT1114Y

Excerpt: The Huayi HYE69Y63 is a highly efficient hermetic reciprocating compressor designed for low back pressure applications using R134a refrigerant. With a 1/5 HP rating and dual-frequency compatibility (50/60Hz), this motor is a cornerstone for domestic refrigerators and freezers. This comprehensive guide covers technical datasheets, electrical wiring, and professional replacement strategies for global cooling systems.

---

Mastering Domestic Refrigeration: The Technical Profile of the Huayi HYE69Y63 Compressor

In the precision-driven world of refrigeration engineering, the Huayi HYE69Y63 stands as a testament to reliable, small-scale thermal management. As a 1/5 horsepower unit optimized for Low Back Pressure (LBP) cycles, this compressor is a frequent choice for manufacturers of domestic refrigerators and light-duty freezers. Its ability to operate across both 50Hz and 60Hz frequencies makes it a versatile global component, capable of maintaining sub-zero temperatures with impressive volumetric efficiency.

Engineering Design and Performance

The HYE69Y63 utilizes a hermetic reciprocating mechanism, engineered to move R134a refrigerant with minimal mechanical friction. In the field, technicians value this model for its thermal protection systems and robust winding material, which ensure longevity even in high-ambient temperature environments. The “HYE” series from Huayi is recognized for its low noise profile and vibration-damping housing, making it ideal for residential kitchen appliances.

Technical Data and Specifications Table

Feature	Detailed Specification
Model	HYE69Y63
Utilisation (mbp/hbp/lbp)	LBP (Low Back Pressure)
Domaine (Freezing/Cooling)	Freezing / Deep Cold Storage
Oil Type and Quantity	POE (Ester Oil) – Approx. 180 ml
Horsepower (HP)	1/5 HP
Refrigerant Type	R134a
Power Supply	220-240VAC / 50-60Hz / 1 Phase
Cooling Capacity (ASHRAE)	168 Watts / 573 BTU/h (@ -23.3°C)
Motor Type	RSIR (Resistive Start – Inductive Run)
Displacement	6.9 cm³
Winding Material	High-Grade Copper
Pressure Charge	0.8 to 1.3 Bar (Evaporating Pressure)
Capillary Recommendation	0.031″ ID (Length dependent on cabinet)
Refrigerator Brands	Haier, Whirlpool, Midea, Hisense
Temperature Function	-35°C to -10°C (-31°F to 14°F)
Cooling System	Static (Natural Convection)
Commercial Class	Domestic / Residential
Amperage (FLA)	1.1 A to 1.3 A
LRA (Locked Rotor Amps)	12.0 A
Type of Relay	PTC (Positive Temperature Coefficient)
Capacitor Requirement	Generally none (Standard RSIR configuration)

---

Electrical Wiring Schema (RSIR Configuration)

Correct electrical connection is paramount for the safety of the hermetic motor. The terminal block of the HYE69Y63 follows the standard triangular pin layout:

Common (C): Located at the top of the triangle. This connects to the line supply through the Thermal Overload Protector.
Main/Run (M): Located at the bottom right. This winding remains energized throughout the cooling cycle.
Start (S): Located at the bottom left. This winding is energized momentarily via the PTC relay to initiate rotation.

Technician’s Insight: If the compressor fails to start but hums, check the resistance between C-M and C-S. A healthy motor will show a combined resistance across S-M that equals the sum of the two individual readings.

---

Comparative Performance Analysis

When comparing the HYE69Y63 against its industry peers, we see a focus on balancing displacement with energy consumption.

Metric	Huayi HYE69Y63 (R134a)	Standard 1/5 HP (R600a Equivalent)
Displacement	6.9 cm³	10.2 cm³
Operating Pressure	Positive (Standard)	Low / Near-Vacuum
Efficiency (COP)	1.30 W/W	1.50 W/W
Gas Charge Weight	Moderate (~120g)	Low (~50g)

---

Professional Replacement Cross-Reference

Finding a suitable replacement requires matching the BTU/h capacity and the displacement as closely as possible to maintain the refrigerator’s original duty cycle.

5 Compressor Replacements (R134a – Same Gas):

1. Embraco: EMT55HLP (High performance, near-identical BTU)
2. ACC / Cubigel: GL70AA (Robust European alternative)
3. GMCC: PE75H1C (Slightly higher displacement, very reliable)
4. Secop (Danfoss): PL50F (Compact design for limited spaces)
5. Tecumseh: FFI6HAK (Standard American replacement)

5 Compressor Replacements (R600a – Different Gas):
Note: Converting from R134a to R600a requires a complete system flush, oil replacement, and potentially a capillary tube adjustment.

1. TEE: NTU170MT
2. Cubigel: HMK12AA
3. Secop: HTK12AA
4. Huayi: HYB12MHU
5. Jiaxipera: NT1114Y

---

Field Engineering Advice and Notices

• Vacuum Standards: Because R134a systems use POE oil, they are highly sensitive to moisture. A deep vacuum of at least 500 microns is mandatory. Failure to achieve this will lead to acid formation, which destroys the motor windings over time.
• Thermal Protection: If the compressor “clicks” off frequently, ensure the condenser coils are clean. Static-cooled compressors like the HYE69Y63 rely on natural convection; dust buildup can cause the internal thermal protector to trip prematurely.
• Start Components: Always replace the PTC relay and the overload protector when installing a new compressor. A fatigued relay can cause the start winding to stay energized too long, leading to a catastrophic burnout of the new unit.
• Charging by Weight: For R134a, always charge using a digital scale to the exact weight specified on the refrigerator’s nameplate. Charging by “pressure feel” often leads to overcharging, which increases the stress on the 1/5 HP motor.

Conclusion and Practical Benefits

The Huayi HYE69Y63 is a resilient, mid-range compressor that provides a stable cooling solution for millions of households worldwide. For the engineer, it represents a standard “plug-and-play” solution for a wide variety of refrigeration brands. Its dual-frequency capability and high copper-content windings make it an exceptionally forgiving unit in regions where power grid stability may fluctuate.

Focus keyphrase: Huayi HYB60MGU Compressor 1/7 HP R600a LBP Technical Specifications Wiring Diagram and Professional Replacement Guide for Domestic Refrigeration Systems

SEO Title: Mbsmpro.com, Compressor, Huayi, HYB60MGU, 1/7 hp, R600a, 110 W, 0.55 A, 1Ph 220-240V 50Hz, LBP, RSIR, -35°C to -10°C, cooling or freezing

Meta Description: Technical datasheet for the Huayi HYB60MGU compressor. Explore its 1/7 HP capacity, R600a efficiency, electrical wiring schemas, and professional cross-reference replacements.

Slug: huayi-hyb60mgu-compressor-r600a-1-7hp-specs

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Huayi, HYB60MGU, R600a, 1/7 HP, LBP, Compressor Replacement, EMT45HDR, TLES5.7KK.3, T1112Y, A60CY, ETA60, GL60AA, EMI45HER, TLS5F, B30H

Excerpt: The Huayi HYB60MGU is a high-efficiency hermetic reciprocating compressor specifically engineered for Low Back Pressure (LBP) applications. Operating on the eco-friendly R600a refrigerant, this 1/7 HP unit is a primary component in modern household refrigerators. This guide provides an in-depth technical analysis, electrical wiring configurations, and reliable replacement alternatives for field engineers.

---

The Engineering Behind the Huayi HYB60MGU: A Technical Standard in R600a Cooling

In the contemporary landscape of domestic refrigeration, the Huayi HYB60MGU represents a cornerstone of energy-efficient design. As a professional who has spent years troubleshooting and installing these units, it is clear that Huayi has optimized the HYB series to meet the rigorous European and international standards for low-temperature performance.

This compressor is a hermetic reciprocating type, designed for Low Back Pressure (LBP) cycles. Its integration of R600a (isobutane) not only aligns with global environmental mandates but also provides superior thermodynamic efficiency compared to legacy R134a systems. For technicians, understanding the mechanical and electrical nuances of the HYB60MGU is essential for ensuring system longevity.

Technical Data Sheet: Huayi HYB60MGU

Feature	Specification
Model	HYB60MGU
Utilisation (mbp/hbp/lbp)	LBP (Low Back Pressure)
Domaine (Freezing/Cooling)	Domestic Refrigerators / Freezers
Oil Type and Quantity	Mineral Oil / 180 ml
Horsepower (HP)	1/7 HP
Refrigerant Type	R600a (Isobutane)
Power Supply	220-240VAC / 50Hz / 1 Phase
Cooling Capacity BTU	375 BTU/h (approx. 110 Watts)
Motor Type	RSIR (Resistive Start – Inductive Run)
Displacement	6.0 cm³
Winding Material	High-Grade Copper
Pression Charge	0.5 to 1.2 Bar (Standard LBP operation)
Capillary Recommendation	0.026″ – 0.028″ ID (Varies by cabinet)
Application Range	-35°C to -10°C
Cooling System	Static (Natural convection)
Commercial Classification	Residential / Household
Amperage (Running)	0.55 A – 0.7 A
LRA (Locked Rotor Amperage)	4.8 A
Type of Relay	PTC (Positive Temperature Coefficient)
Capacitor Requirement	None (RSIR Configuration)

---

Electrical Wiring Schema (RSIR Configuration)

The terminal housing of the Huayi HYB60MGU follows a standard triangular pin configuration which is critical for proper startup and protection.

Schema Description:

• Common (C): The apex pin. This pin connects to the Thermal Overload Protector (OLP), which monitors the motor temperature and current draw.
• Start (S): The pin usually on the right side. It is momentarily energized by the PTC relay to initiate rotation.
• Main/Run (M): The pin on the left side. This winding remains energized throughout the operation of the compressor.

Wiring Logic:
Line (Hot) -> Overload Protector -> Common Pin
Neutral -> PTC Relay -> Main Pin & Start Pin

Engineering Note: Always verify the resistance between C-S and C-M. The sum of these two measurements should roughly equal the resistance across S-M. Any significant deviation indicates a winding fault.

---

Comparative Efficiency: R600a vs. R134a Models

When evaluating the HYB60MGU, it is helpful to compare it against similarly rated R134a compressors to understand the benefits of the modern R600a cycle.

Metric	Huayi HYB60MGU (R600a)	Standard 1/7 HP (R134a)
Operating Pressure	Low / Vacuum	High Positive
Displacement	6.0 cm³	4.5 cm³
Energy Consumption	Low (High COP)	Moderate
Environment	GWP < 3 (Eco-friendly)	GWP 1430 (Global Warming)

---

Professional Replacement Cross-Reference

In repair scenarios where the exact Huayi model is unavailable, these alternatives provide the same cooling capacity and displacement.

5 Replacements in R600a (Same Gas):

1. Embraco: EMT45HDR (High-reliability alternative)
2. Secop (Danfoss): TLES5.7KK.3 (Common European replacement)
3. Jiaxipera: T1112Y (Found in many Beko/Haier units)
4. Donper: A60CY
5. Wanbao: ETA60

5 Replacements in R134a (Conversion Required):
Note: Converting from R600a to R134a requires a full system flush and capillary resizing.

1. Zem: GL60AA
2. Embraco: EMI 45HER
3. Secop: TLS5F
4. Huayi: B30H
5. Cubigel: GL60AA

---

Field Engineering Advice and Notices

• Vacuuming Procedure: Because R600a systems operate at very low pressures, moisture is a catastrophic contaminant. Always pull a vacuum down to at least 200 microns before charging.
• Charging by Weight: R600a is highly sensitive to overcharging. Always use a digital scale and charge precisely to the manufacturer’s specification (usually 40-60 grams). Do not charge by pressure.
• Flammability Safety: R600a is isobutane. Ensure no open flames are nearby during charging or discharging. Use “Lokring” cold connections if you are not in a controlled, ventilated environment for brazing.
• Overload Protection: If the compressor “clicks” but fails to start, check the PTC relay first. These components are prone to cracking due to heat cycles.

Conclusion and Professional Benefit

The Huayi HYB60MGU is a resilient unit that, when maintained correctly, offers years of silent and efficient operation. Its low running amperage makes it an ideal choice for off-grid or solar-powered refrigeration setups where energy conservation is paramount. For the service technician, its standard footprint and predictable electrical behavior make it a preferred model in the field.