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Secop TLES6FT.3 Compressor Technical Specifications, Cooling Capacity, and R134a Replacement Guide for Refrigeration Professionals

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Technical deep dive into the Secop TLES6FT.3 compressor. Explore cooling capacity, 1/6 HP performance, R134a specs, and a comprehensive replacement guide for HVAC technicians.

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Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Secop, TLES6FT.3, Compressor, R134a, 1/6 HP, LBP, Refrigeration, Embraco EMT55HLP, Danfoss TL5G, ACC GVY57AA, Jiaxipera ND1112Y, Cubigel GL60AA, R600a Conversion, HVAC Technical Data

Excerpt

The Secop TLES6FT.3 is a high-efficiency hermetic reciprocating compressor designed specifically for Low Back Pressure (LBP) applications. Operating on R134a refrigerant, this 1/6 HP powerhouse is a staple in domestic refrigeration. This guide breaks down its technical performance, electrical characteristics, and provides reliable replacement options for field workers and engineers looking for precision.

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The Heart of the Cold: A Deep Dive into the Secop TLES6FT.3

In the world of professional refrigeration, the compressor is the undisputed champion of the cooling cycle. Among the reliable workhorses found in modern households, the Secop TLES6FT.3 stands out as a precision-engineered component. Manufactured in Slovakia, this unit is built for longevity and steady performance in Low Back Pressure (LBP) environments, such as household refrigerators and small freezers.

Understanding this compressor isn’t just about reading a label; it’s about knowing how it interacts with the entire thermal system. Whether you are a field technician performing a swap or an engineer designing a cooling solution, the technical nuances of the TLES6FT.3 are vital.

Technical Profile: Secop TLES6FT.3

Feature	Specification
Model	TLES6FT.3 (102G 4609)
Utilization	LBP (Low Back Pressure)
Domaine	Freezing / Cooling
Horsepower (HP)	1/6 HP
Refrigerant Type	R134a
Displacement	6.00 cm³
Cooling Capacity (-23.3°C ASHRAE)	156 Watts (Approx. 532 BTU/h)
Power Supply	220-240V / 50Hz / 1 Phase
Motor Type	RSIR/CSIR (LST/HST compatible)
Oil Type and Quantity	POE (Polyolester) / 180 ml
Winding Material	Copper
Amperage (Rated)	1.1 A
LRA (Locked Rotor Amperage)	7.5 A
Type of Relay	PTC or Current Relay
Capacitor	Optional (6 µF or 80 µF for HST)
Country of Origin	Slovakia

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Efficiency Metrics (COP) and Performance Data

Efficiency in a compressor is defined by the Coefficient of Performance (COP). For the TLES6FT.3, the relationship between evaporating temperature and energy consumption is crucial for maintaining energy ratings.

Evaporating Temp (°C)	Cooling Capacity (Watts)	Power Consumption (Watts)	COP (W/W)
-35	82	98	0.84
-30	112	114	0.98
-25	148	131	1.13
-23.3	156	138	1.14
-20	188	150	1.25
-15	240	170	1.41
-10	295	192	1.54

Note: The COP is calculated using the formula: $COP = frac{Q_c}{P}$, where $Q_c$ is the cooling capacity and $P$ is the power input.

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Application and Capability

This compressor is typically found in medium-sized domestic refrigerators.

• Cooling Capacity in Liters: It can efficiently handle cooling for units between 250 to 350 Liters.
• Cubic Feet: Approximately 8.8 to 12.3 cubic feet.
• Capillary Tube Suggestion: For LBP R134a systems, a capillary of 0.031 inches (0.78 mm) with a length adjusted to the specific cabinet load is standard.

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Comparison: Secop TLES6FT.3 vs. Competitors

When looking at the market, the TLES6FT.3 competes directly with brands like Embraco and ACC. While it offers a very stable 6.0 cc displacement, some competitors might vary slightly in their start torque performance.

Brand	Model	HP	Displacement	Gas
Secop	TLES6FT.3	1/6 HP	6.00 cc	R134a
Embraco	EMT55HLP	1/6 HP	5.19 cc	R134a
Jiaxipera	ND1112Y	1/6 HP	5.80 cc	R134a
ACC/Seko	GVY57AA	1/6 HP	5.73 cc	R134a

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Replacement Guide

If you are in the field and cannot find the exact TLES6FT.3, here are the professional-grade alternatives.

5 Direct Replacements (Same Gas: R134a)

1. Embraco EMT55HLP: Very common, slightly higher efficiency.
2. Danfoss TL5G: The classic predecessor, extremely durable.
3. ACC / Cubigel GVY57AA: A direct fit for many European cabinets.
4. Jiaxipera ND1112Y: Often used in Bosch and Siemens units.
5. Tecumseh THG1358YKS: A robust alternative with similar mounting.

5 Indirect Replacements (Alternative Gas: R600a)

Caution: Gas conversion requires a complete system flush, different oil, and a specific R600a charging procedure.

1. Secop TLES6.5KK.3: The natural R600a evolution of this frame.
2. Embraco EMX55CLC: High efficiency R600a model.
3. Jiaxipera NT1113Y: Standard R600a replacement.
4. ACC HXK95AA: Known for very low noise levels.
5. Wanbao ATA72XL: Budget-friendly R600a alternative for 1/6 HP range.

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Professional Advice & Field Tips

• Oil Management: The TLES6FT.3 uses POE oil. This oil is highly hygroscopic (absorbs moisture quickly). Never leave the compressor open to the atmosphere for more than 15 minutes.
• System Cleanliness: When replacing a burnt-out compressor, always replace the filter drier and perform a nitrogen purge to ensure no acid remains in the lines.
• Starting Device: This model supports both LST (Low Starting Torque) and HST (High Starting Torque). If you are working in an area with unstable voltage, adding a start capacitor (HST kit) can significantly extend the motor’s life.

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Troubleshooting the TLES6FT.3

Problem	Potential Cause	Action
Compressor runs but no cold	Gas leak or partial blockage	Check high-side pressure and capillary.
Clicking sound (Thermal Protector)	Faulty relay or seized piston	Check LRA and relay resistance.
High vibration	Worn internal springs	Ensure the external rubber grommets are intact.

Mbsmpro.com, Compressor, GQY80AT vs ATA72XL, 1/4 hp – 1/5 hp, ZEL, Huaguang, R134a, Cooling, 220V, LBP, Refrigerator Repair

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Technical Analysis of High-Performance Hermetic Compressors: GQY80AT and ATA72XL

In the world of refrigeration maintenance and professional appliance repair, choosing the right compressor is the difference between a long-lasting fix and a premature system failure. Today, we are diving deep into the technical specifications of two widely used units in the industry: the ZEL GQY80AT and the Huaguang ATA72XL. Both are designed for R134a refrigerant but serve slightly different cooling capacities and applications.

The GQY80AT, manufactured by Zanussi Elettromeccanica (ZEL), has long been a staple in European-designed domestic freezers and large refrigerators. It is a robust 1/4 HP unit known for its high starting torque and reliability in fluctuating voltage environments. On the other hand, the Huaguang ATA72XL is a highly efficient 1/5 HP+ (often treated as a strong 1/5 or light 1/4) compressor from the Wanbao Group. It is frequently seen in modern energy-efficient refrigerators where low noise and high Coefficient of Performance (COP) are prioritized.

Technical Specification Table

Model	ZEL GQY80AT	Huaguang ATA72XL
Utilization	LBP (Low Back Pressure)	LBP (Low Back Pressure)
Domaine	Freezing / Cooling	Freezing / Cooling
Cooling Wattage (-23.3°C)	198 W	185 W
Cubic Feet Capacity	12 – 16 cu.ft.	10 – 14 cu.ft.
Liters Capacity	350 – 450 L	280 – 400 L
Kcal/h	170 kcal/h	159 kcal/h
Oil Type & Quantity	POE (Ester) / 200ml	POE (Ester) / 180ml
Horsepower (HP)	1/4 HP	1/5 HP+
Refrigerant Type	R134a	R134a
Power Supply	200-220V / 50Hz	220-240V / 50-60Hz
Cooling Capacity (BTU)	676 BTU/h	631 BTU/h
Motor Type	RSIR / RSCR	RSIR
Displacement	8.1 cm³	7.2 cm³
Winding Material	Copper	Copper
Pressure Charge	0.5 – 0.8 Bar (Running)	0.4 – 0.7 Bar (Running)
Capillary Size	0.031″ / 3.0m	0.028″ / 3.0m
Temperature Function	-35°C to -10°C	-30°C to -10°C
Cooling Method	Static (No Fan)	Static (No Fan)
Commercial Use	Light Commercial/Domestic	Domestic
Amperage (FLA)	1.3 A	1.1 A
LRA (Locked Rotor)	12 A	10 A
Relay Type	PTC	PTC
Capacitor	Optional (4-5uF)	No
Origin	China (Zanussi Tech)	China (Wanbao)

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Efficiency Metrics (COP) Performance Data

Evaporating Temp (°C)	Cooling Capacity (Watts)	Power Consumption (Watts)	COP (W/W)
-30	145	125	1.16
-25	182	148	1.23
-23.3 (Standard)	198	155	1.27
-20	235	170	1.38
-15	305	195	1.56
-10	390	220	1.77

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Professional Replacement Guide

When the original unit is no longer available, these replacements offer the same displacement and cooling curve characteristics.

5 Direct Replacements (R134a Gas)

1. Embraco FFI7.5HAK: A heavy-duty 1/4 HP equivalent with high reliability.
2. Secop (Danfoss) TLES7F: Excellent efficiency for domestic LBP applications.
3. LG MA72LAEP: A very quiet alternative with similar mounting footprints.
4. Tecumseh THG1365YS: Known for high tolerance to high ambient temperatures.
5. Samsung NC44A94ALH: A compact but powerful alternative.

5 Alternative Replacements (R600a Gas Conversion)

Note: Converting to R600a requires a complete system flush and a dedicated R600a capillary/filter.

1. Secop TLES7.5KK.4: The industry standard for R600a 1/4 HP swaps.
2. Embraco EMX70CLC: High COP unit for energy-conscious repairs.
3. Jiaxipera NT1114Y: Widely used in modern inverter-to-fixed-speed conversions.
4. Donper LU72CZ1: A budget-friendly R600a unit with stable performance.
5. Wanbao ATA72XL (R600a Version): The direct isobaric sibling of the R134a model.

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Expert Engineering Insights & Tips

When installing these compressors, pay close attention to the displacement differences. The GQY80AT (8.1cc) is slightly more powerful than the ATA72XL (7.2cc). If you are replacing a ZEL with a Huaguang, the cooling might be slightly slower in a large chest freezer. Conversely, using a ZEL to replace a Huaguang may result in shorter cycle times, which can lead to higher wear on the relay if not monitored.

Technician’s Checklist:

• Triple Vacuum: Always pull down to 500 microns to ensure all moisture is removed from the POE oil.
• Filter Drier: Never reuse a filter. Always install a new 20g or 30g XH-9 molecular sieve drier.
• Winding Check: Before brazing, verify the Common, Start, and Main terminals. The GQY80AT has a standard triangular pin configuration.
• Heat Dissipation: Ensure the condenser coils are cleaned. These static-cooled compressors rely heavily on natural convection or the external cabinet skin for heat exchange.

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Focus Keyphrase: ZEL GQY80AT and Huaguang ATA72XL Compressor Specifications and Replacement Guide

SEO Title: Mbsmpro.com, Compressor, GQY80AT, ATA72XL, 1/4 HP, R134a, Technical Data

Meta Description: Detailed technical analysis of ZEL GQY80AT and Huaguang ATA72XL compressors. Includes BTU, wattage, cooling capacity, and 10 professional replacement models for R134a and R600a. Perfect for refrigeration engineers and professional technicians.

Slug: zel-gqy80at-huaguang-ata72xl-compressor-specs-replacement

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, ZEL, GQY80AT, Huaguang, ATA72XL, R134a, 1/4 HP, 1/5 HP, Embraco FFI7.5HAK, Secop TLES7F, LG MA72LAEP, Tecumseh THG1365YS, Refrigeration Repair, Compressor Replacement, LBP Compressor

Excerpt: Choosing between the ZEL GQY80AT and Huaguang ATA72XL requires a deep understanding of displacement and cooling wattage. This professional guide breaks down the 198W capacity of the GQY80AT versus the 185W of the ATA72XL, providing essential data for technicians, including oil types, motor configurations, and a comprehensive list of cross-compatible replacement models.

Focus Keyphrase: Donper LG83WZ1 Refrigeration Compressor Technical Specifications and R134a Replacement Guide

SEO Title: Mbsmpro.com, Compressor, LG83WZ1, 1/4 HP+, Donper, Cooling, R134a, 230 W, 1.4 A, 1Ph 220-240V 50Hz, LBP, Freezing

Meta Description: Explore the comprehensive technical specs for the Donper LG83WZ1 compressor. Includes cooling capacity, replacement cross-references, and performance data for R134a systems.

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Tags: Donper, LG83WZ1, R134a, 1/4 HP+, Refrigerator Compressor, Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Embraco FFI8.5HAK, Secop NLE8.8MF, LG MA88LAEP, Panasonic QB86C16GAX5, Tecumseh THG1374YS, LBP Compressor

Excerpt: The Donper LG83WZ1 stands as a cornerstone in modern domestic and light commercial refrigeration. Engineered for Low Back Pressure applications, this R134a-driven unit provides reliable cooling capacity for medium to large refrigerators. Its 8.3cc displacement ensures consistent thermal management, making it a preferred choice for technicians seeking a robust, thermally protected motor for demanding climates.

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The Engineering Behind Reliability: A Deep Dive into the Donper LG83WZ1 Compressor

In the precision-driven world of refrigeration, the compressor is the heart of the thermal cycle. Among the workhorses found in modern residential and light commercial units, the Donper LG83WZ1 has earned a reputation for resilience and steady performance. As a Low Back Pressure (LBP) specialist, this model is specifically designed to handle the rigorous demands of freezing and deep-cooling applications where maintaining sub-zero temperatures is non-negotiable.

Technical Performance and Infrastructure

The LG83WZ1 utilizes R134a refrigerant, a long-standing industry standard known for its thermodynamic stability. With a displacement of 8.3 cm³, it sits comfortably in the 1/4 HP+ to 1/3 HP class, providing enough “muscle” for large household refrigerators or vertical display freezers. The motor is a single-phase, thermally protected unit operating on a standard 220-240V 50Hz supply, making it a universal fit for many international markets.

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Comprehensive Technical Specifications

Feature	Specification
Model	LG83WZ1
Utilization	LBP (Low Back Pressure)
Domaine	Freezing / Deep Cooling
Cooling Wattage at -23.3°C	230 W
Cubic Feet Capacity	14 – 18 cu.ft.
Liters Capacity	400 – 500 Liters
Kcal/h	198 Kcal/h
Oil Type and Quantity	Ester Oil (POE) / 180ml
Horsepower (HP)	1/4 HP+
Refrigerant Type	R134a
Power Supply	220–240V / 50Hz / 1Ph
Cooling Capacity (BTU/h)	785 BTU/h
Motor Type	RSIR / RSCR (depending on start kit)
Displacement	8.3 cm³
Winding Material	High-Grade Copper
Suction Pressure Charge	0.5 to 1.2 Bar (system dependent)
Capillary Recommendation	0.031″ or 0.036″ ID
Common Application	Double-door refrigerators, Chest Freezers
Temperature Function	-35°C to -15°C
Cooling Method	Static or Fan Assisted
Commercial Status	Semi-Commercial / Residential
Amperage (FLA)	1.4 A
LRA (Locked Rotor Amps)	11.5 A
Relay Type	PTC or Magnetic
Start Capacitor	Optional (usually 60-80 µF if used)
Origin	China (Global Export)

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Efficiency Metrics (COP)

Understanding the Coefficient of Performance (COP) is vital for energy-conscious engineering. The LG83WZ1 shows its strengths in the mid-range of LBP operations.

Evaporating Temp (°C)	Cooling Capacity (Watts)	Power Consumption (Watts)	COP (W/W)
-30	165	148	1.11
-25	215	165	1.30
-23.3 (ASHRAE)	230	172	1.34
-20	275	185	1.48
-15	345	205	1.68
-10	430	230	1.87

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Direct Replacement Cross-Reference

When a compressor fails in the field, speed and accuracy in replacement are paramount. Below are the most compatible units based on displacement and cooling capacity.

5 Replacements: Same Refrigerant (R134a)

Brand	Model	HP Equivalent	Displacement
Embraco	FFI8.5HAK	1/4 HP+	8.5 cm³
Secop	NLE8.8MF	1/3 HP	8.8 cm³
LG	MA88LAEP	1/4 HP+	8.8 cm³
Panasonic	QB86C16GAX5	1/4 HP+	8.6 cm³
Tecumseh	THG1374YS	1/4 HP	7.4 cm³

5 Replacements: Alternative Refrigerant (R600a)

Note: Converting from R134a to R600a requires a complete system flush, lubricant change, and capillary adjustment.

| Brand | Model | HP Equivalent | Gas Type |

| :— | :— | :— | :— |

| Embraco | EMX70CLC | 1/4 HP | R600a |

| Secop | TLES7.5KK.3 | 1/4 HP | R600a |

| LG | MK88LAEM | 1/4 HP+ | R600a |

| Donper | B80H | 1/4 HP | R600a |

| Jiaxipera | NT1114Y | 1/4 HP | R600a |

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Comparative Analysis: R134a vs. R600a Performance

While the LG83WZ1 uses R134a, the industry is shifting toward R600a (Isobutane). Comparing these two helps technicians understand why the LG83WZ1 remains a staple for repairs:

• Pressure: R134a operates at higher discharge pressures than R600a, allowing for faster heat transfer in smaller condenser coils.
• Charge Weight: R134a systems require a higher gram-weight charge than R600a, making the LG83WZ1 less sensitive to minor leaks.
• Oil Compatibility: The LG83WZ1 uses POE (Polyolester) oil, which is highly hygroscopic. Unlike the mineral oils used in R600a units, the LG83WZ1 requires strict moisture control during service.

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Electrical Schematic and Wiring Guide

For field workers, identifying the terminal configuration is the first step to a successful installation. The LG83WZ1 typically follows the standard triangular pin layout.

Engineering Tip: Always verify the resistance between the Start (S), Main (M), and Common (C) terminals. On the LG83WZ1, the Main winding typically shows lower resistance than the Start winding.

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Field Advice and Professional Notices

• Vacuum Integrity: Because this compressor uses Ester oil, you must pull a vacuum to at least 500 microns. Moisture reacting with POE oil creates acid that can etch the motor windings, leading to premature burnout.
• Filter Drier Replacement: Never install a new LG83WZ1 without replacing the filter drier. A clogged drier is the number one cause of high head pressure and motor failure.
• Condenser Maintenance: In commercial settings, ensure the condenser fins are cleaned every six months. The LG83WZ1 is robust, but excessive heat from a dirty condenser will trip the thermal protector and reduce the unit’s lifespan.

Benefits for the End User

1. Low Noise Floor: Designed with internal dampening springs to reduce vibration.
2. High Torque Start: Capable of starting under moderate pressure fluctuations, making it reliable in regions with unstable power grids.
3. Longevity: When paired with a clean system, these compressors are known to exceed 10 years of service life.

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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

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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.

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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

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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

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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.

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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

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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.

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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.

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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.

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

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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

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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.

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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.