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

---

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)

---

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

---

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.

---

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.

---

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.

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.

Refrigerator & Compressor Technical Specifications

Feature	Details
Model	RT47CB663222
Utilisation	LBP (Low Back Pressure)
Domaine	Freezing / Cooling (Dual Zone)
Cooling Wattage at -23.3°C	Approx. 165 – 175 W
Cubic Feet Capacity	16.8 cu.ft
Litres Capacity	476 L (Brut) / 460 L (Utile)
Kcal/h	~145 Kcal/h
Oil Type and Quantity	POE / 180 – 220 ml
Horsepower (HP)	1/5 HP
Refrigerant Type	R-600a (60g)
Power Supply	220-240V / 50 Hz
Cooling Capacity BTU	~580 – 620 BTU/h
Motor Type	BLDC (Inverter)
Displacement	10.0 to 12.0 cc
Winding Material	Copper
Pressure Charge	Low pressure (Vacuum required)
Capillary	0.028″ or 0.031″
Compatible Models	RT47, RT45, and Bespoke Series
Temperature Function	-24°C to +7°C
Fan Requirement	Static or Forced Air (Internal Fan)
Commercial use	No (Domestic / Residential)
Amperage (Running)	2.0 A (Total system max)
LRA	4.5 – 6.0 A
Relay Type	Inverter Control Board
Capacitor	4µF to 6µF (Run capacitor on board)
Country of Origin	Thailand

---

Compressor Replacements

Same Gas (R-600a)

1. Secop NLE11KK
2. Embraco FMXA9C
3. Jiaxipera T1116Y
4. Donper L118CY
5. Huayi HYB96MHU

Different Gas (R-134a Conversion)

Note: Requires complete system flush and oil change.

1. Embraco FFI7.5HAK
2. ZMC GMCC GL90AA
3. Secop TLES7.5KK.3
4. Tecumseh THG1365YS
5. Samsung NC4AV80 (Inverter)

---

Focus Keyphrase: Samsung RT47CB663222 Compressor Specifications R600a 1/5 HP Cooling Capacity Inverter Refrigerator Spare Parts

SEO Title: Mbsm.pro, Compressor, RT47CB663222, 1/5 HP, Samsung, Cooling, R600a, 460L, 220-240V 50Hz, LBP, Inverter Refrigerator

Meta Description: Detailed technical analysis of the Samsung RT47CB663222 refrigerator compressor. Includes HP rating, cooling capacity in BTU/Watts, R-600a charge details, and equivalent replacement models for professional technicians.

Slug: samsung-rt47cb663222-compressor-r600a-1-5-hp-specs

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Samsung, RT47CB663222, R600a, Inverter Compressor, 1/5 HP, NLE11KK, FMXA9C, T1116Y, L118CY, Refrigeration Repair, Thailand Made Refrigerator.

Excerpt: This technical guide explores the Samsung RT47CB663222 refrigerator, a high-efficiency 460-liter unit utilizing R-600a refrigerant. Operating on a 220-240V 50Hz supply, this inverter-driven system is designed for Low Back Pressure applications. We break down the motor characteristics, displacement, and provide a comprehensive list of equivalent replacement compressors for modern field service and professional repairs.

---

Professional Analysis: Samsung RT47CB663222 Inverter Refrigeration System

Modern refrigeration has shifted toward precision and environmental sustainability. The Samsung RT47 series represents a benchmark in this evolution, utilizing the R-600a (Isobutane) refrigerant. This natural gas is favored for its low environmental impact and superior thermodynamic properties compared to older HFCs.

Efficiency Metrics (COP) & Performance Data

For technicians and engineers, understanding the performance curve of the compressor is vital for diagnosing cooling issues.

Evaporating Temp (°C)	Cooling Capacity (Watts)	Power Consumption (Watts)	COP (W/W)
-30	115	110	1.05
-25	155	135	1.15
-23.3 (LBP Point)	172	145	1.19
-20	205	160	1.28
-15	260	185	1.41
-10	330	215	1.53

Comparative Analysis: Samsung vs. Industry Standards

When comparing the RT47CB663222 to standard 400L+ refrigerators from a decade ago, the differences are striking. Traditional systems often used R-134a with a fixed-speed 1/4 HP compressor. Samsung’s modern 1/5 HP inverter design provides:

1. Lower Amperage: The total system draws only 2.0A max, whereas older units frequently exceeded 3.5A.
2. Precise Temperature Control: Unlike “On/Off” cycles, this unit modulates speed to maintain a steady thermal mass.
3. Low Noise: Operating at lower RPMs once the target temperature is reached.

Engineering Schematics and Board Control

Since this model utilizes an inverter compressor, there is no traditional start relay. Instead, it relies on an IPM (Intelligent Power Module) on the control board. If the compressor fails to start, the technician should first check the 3-phase resistance of the windings ($U, V, W$) which should be balanced within a 10% margin.

Professional Field Advice

• Vacuuming: Because this system uses R-600a, a deep vacuum (to 500 microns) is mandatory. The gas charge is only 60g; even a 2g variance can lead to inefficiency.
• Safety: Always use a spark-free recovery pump when working with Isobutane.
• Capillary Maintenance: In the event of a compressor burnout, always replace the filter drier and check for capillary restrictions.

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.

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.

Mbsmpro.com, Compressor Spare Parts, Relays, Thermal Overload Protectors, 1/2 hp to 1/6 hp, Start and Protection Stems, Characteristic Tables

Selecting the right electrical components is the heartbeat of refrigeration maintenance. When a compressor fails to start or constantly trips, the culprit is often a mismatched Current Relay or a fatigued Thermal Overload Protector. Ensuring these parts align perfectly with the compressor’s horsepower (HP) and amperage rating is not just about repair—it is about system longevity.

The Role of Current Relays in Compressor Ignition

Current relays are electromagnetic switches that momentarily engage the start winding of a compressor. Once the motor reaches approximately 75% of its rated speed, the relay disconnects the start winding, allowing the motor to run on its main winding.

Technical Specifications for Standard Current Relays

Model	Compressor Power (HP)	Terminal Pin	Applied Current (A)
117U 2010	1/3 HP	5	4.5 A
117U 2100	1/4 HP	6	3.6 A
117U 2104	1/5 HP	4	6.5 A
117U 2050	1/2 HP	1	1.4 A

---

Thermal Overload Protectors: The Safety Net

Thermal Overload Protectors (TOP) act as a bimetallic fuse. They monitor both the heat generated by the compressor and the current flowing through it. If the compressor stalls (locked rotor) or overheats due to a refrigerant leak, the TOP breaks the circuit to prevent the motor windings from melting.

Performance Benchmarks for Overload Protectors

Compressor Power (HP)	Max Connect Current (A)	Release Current (A)
1/2 HP	12.5 A	5.0 A
1/3 HP	9.0 A	4.75 A
1/4 HP	8.0 A	4.0 A
1/5 HP	7.5 A	3.5 A
1/6 HP	7.0 A	3.0 A

---

Comparison: Mechanical Relays vs. PTC Starters

While the technical data above focuses on mechanical current relays, modern systems often use PTC (Positive Temperature Coefficient) starters.

• Mechanical Relays (117U Series): Highly reliable for heavy-duty applications. They provide a “snap” action that is better for high-torque starts.
• PTC Starters: Use a solid-state disk that increases resistance as it heats up. They are quieter but require a cool-down period before the compressor can restart.

Engineering Advice for Field Technicians

1. Never Oversize the Protector: If you install a 1/2 HP protector on a 1/6 HP compressor, the protector will not trip during a fault, leading to a burnt-out compressor.
2. Check the Return Temperature: Thermal caps must operate within a return temperature range of 60 ± 10°C. Anything higher indicates a system restriction or lack of airflow over the condenser.
3. Terminal Integrity: Ensure terminals are tight. A loose connection creates resistance, which generates heat and causes “nuisance tripping” of the overload.

---

Focus Keyphrase: Compressor Current Relay and Thermal Overload Protector Characteristic Tables for 1/2 to 1/6 HP

SEO Title: Mbsmpro.com | Compressor Start Relays & Thermal Overload Tables

Meta Description: Comprehensive guide to compressor start and protection stems. Technical tables for 117U relays and thermal overload protectors from 1/2 HP to 1/6 HP. Essential data for HVAC engineers.

Slug: compressor-relay-thermal-overload-characteristic-tables

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Compressor Parts, Start Relay, Thermal Overload, Refrigeration Repair, 117U Relay, HVAC Engineering, Compressor Protection.

Excerpt: Selecting the right electrical components is the heartbeat of refrigeration maintenance. When a compressor fails to start or constantly trips, the culprit is often a mismatched Current Relay or a fatigued Thermal Overload Protector. Ensuring these parts align perfectly with the compressor’s horsepower (HP) and amperage rating is vital for long-term system reliability.

Mbsmpro.com, Embraco, NEU2178GK, 1 HP, LBP, R404A, 220-240V, 50Hz, 16.8 cc, CSR, Commercial Freezer Compressor

---

The Cold Heart of Commercial Freezing: Embraco NEU2178GK

If you are an artisan bricoleur or a refrigeration technician working on commercial island freezers or restaurant reach-ins, you have likely encountered the Embraco NEU2178GK. This isn’t your standard domestic fridge compressor; this is a 1 HP powerhouse designed for the heavy lifting required by Low Back Pressure (LBP) applications using R404A or R507 refrigerant.

Known for its robust “Made in Slovakia” build, the NEU2178GK is a CSR (Capacitor Start, Capacitor Run) motor. This is a critical detail for technicians: unlike simpler PTCSCR compressors, this unit relies on a precise electrical box containing both a start capacitor and a run capacitor to manage its high starting torque (HST). It is the engine you choose when you need reliability in a -30°C environment.

Why the “GK” Matters

In Embraco’s nomenclature, the “K” at the end (as in NEU2178GK) often signifies a specific motor type—in this case, one designed for High Starting Torque. This means it can restart even if pressures haven’t fully equalized, a common scenario in busy commercial kitchens where doors are opened frequently.

---

Technical Specifications: The Data You Need

Here is the breakdown of the technical capabilities of this compressor.

Feature	Specification
Model	NEU2178GK
Brand	Embraco (Nidec)
Horsepower (HP)	1 HP
Displacement	16.80 cm³ (cc)
Refrigerant	R404A / R507 / R452A
Application	LBP (Low Back Pressure)
Voltage	220-240V ~ 50Hz
Cooling Capacity	~900 W (at -23.3°C ASHRAE)
Motor Type	CSR (Capacitor Start & Run)
Start Capacitor	88 – 108 µF / 330V
Run Capacitor	15 µF / 400V
Oil Type	POE 22 (Polyolester)
Oil Charge	350 ml
Expansion Device	Capillary or TXV (Expansion Valve)

---

Exploitation: Installation Tips for the Artisan

Installing a 1 HP commercial compressor is different from swapping a domestic one. Here are the “golden rules” for the NEU2178GK:

1. The Electric Box is Mandatory: You cannot bypass the capacitor box. This motor needs the 15µF run capacitor to maintain efficiency and keep the windings cool, and the start capacitor to kick the rotor into motion against high head pressure.
2. Moisture is the Enemy: This compressor comes filled with POE oil. POE is like a sponge for humidity. If you leave the plugs open for more than 15 minutes, the oil absorbs moisture that vacuum pumps cannot remove. Keep it sealed until the last second.
3. Nitrogen Sweep: Because R404A systems use POE oil, any carbon from brazing will turn into sludge and block the capillary tube immediately. Always braze with a trickle of nitrogen flowing through the pipes.
4. R452A Compatibility: If R404A is expensive or restricted in your area, this compressor is often compatible with R452A, a drop-in replacement with a lower GWP (Global Warming Potential), but always check the discharge temperature.

---

Comparison: Embraco NEU2178GK vs. The Competition

When you can’t find the exact Embraco model, you need a replacement. Here is how it stacks up against the heavyweights from Secop and Tecumseh.

Compressor	Brand	Approx. HP	Displacement	Verdict
NEU2178GK	Embraco	1 HP	16.8 cc	Best for high-torque commercial freezers.
SC21CL	Secop (Danfoss)	~7/8 – 1 HP	20.95 cc	Older design, physically larger, very reliable.
CAJ2464Z	Tecumseh	1.5 HP	34.4 cc	Much more powerful; usually overkill for this slot.
NT2180GK	Embraco	1 HP	20.4 cc	The “big brother” of the NEU series; fits if you have space.

Pro Tip: If replacing a Secop SC21CL with this Embraco NEU2178GK, you may need to adjust the pipework as the Embraco is slightly more compact (lower height: ~206mm vs Secop ~219mm).

---

Performance Analysis: Power Consumption

One reason technicians love the NEU series is efficiency.

• Current (Amps): At typical freezer conditions (-25°C), it draws about 4.3 Amps.
• LRA (Locked Rotor Amps): 21.0 A. If your clamp meter reads 21A instantly and stays there, your compressor is mechanically seized or the start capacitor is dead.

---

Performance Analysis: Power Consumption

One reason technicians love the NEU series is efficiency.

• Current (Amps): At typical freezer conditions (-25°C), it draws about 4.3 Amps.
• LRA (Locked Rotor Amps): 21.0 A. If your clamp meter reads 21A instantly and stays there, your compressor is mechanically seized or the start capacitor is dead.

---

Focus Keyphrase: Embraco NEU2178GK 1 HP Compressor R404A

SEO Title: Mbsmpro.com, Embraco, NEU2178GK, 1 HP, LBP, R404A, 220-240V, 50Hz, 16.8 cc, CSR, Commercial Freezer

Meta Description: Discover the Embraco NEU2178GK 1 HP Compressor (R404A/LBP). Full technical specs, CSR wiring guide, and comparisons with Secop and Tecumseh for commercial refrigeration repairs.

Slug: embraco-neu2178gk-1-hp-compressor-r404a-lbp-specs

Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Embraco NEU2178GK, 1 HP Compressor, R404A, Commercial Freezer, CSR Motor, NEU2178GK Specs, Refrigeration Repair, 16.8cc Compressor

Excerpt: The Embraco NEU2178GK is the definitive choice for 1 HP commercial freezing applications. Featuring a robust CSR motor and 16.8cc displacement, this R404A compressor delivers high starting torque for demanding environments. This guide details the electrical requirements, installation tips, and how it compares to Secop and Tecumseh alternatives.

---

Mbsmpro.com, ECQ Vacuum Pump, VP115, 2 CFM, 1/4 hp, 50 L/min, 220V, Single Stage, 5 Pa, Ultimate Vacuum, 100% Copper Wire, R134a/R410a, HVAC/R Tool

---

The Unsung Hero of Your Tool Bag: The ECQ VP115 Vacuum Pump

If you work in refrigeration or air conditioning—whether you are fixing a small fridge in a local shop or installing a split system in a new apartment—you know that moisture is the enemy. It is the silent killer of compressors. You can have the best welding skills in the world, but if you leave air inside the pipes, that unit will fail.

This is where the ECQ VP115 comes in. It is not the biggest pump on the market, but for an artisan bricoleur or a technician on the move, it is often exactly what you need. It is compact, it is reliable with its 100% copper winding, and it pulls a vacuum deep enough to degas a system properly before you recharge with R134a or R410a.

Why 2 CFM Matters for Small to Medium Jobs

Many technicians think “bigger is better,” but that isn’t always true. A huge 8 CFM pump is heavy and can actually pull a vacuum too fast on small capillary systems, causing moisture to freeze before it boils off. This 2 CFM (50 L/min) pump is the “Goldilocks” size—perfect for:

• Domestic Refrigerators (1/5 HP to 1/3 HP compressors).
• Split Air Conditioners (9000 to 18000 BTU).
• Car Air Conditioning systems.

It is light enough to carry up a ladder but strong enough to hit 5 Pa (approx 37 microns) of ultimate vacuum.

---

Technical Specifications: The “Heart” of the Pump

Here is the detailed breakdown of what this machine offers.

Feature	Specification
Model	VP115
Voltage / Frequency	220V~50Hz / 60Hz
Free Air Displacement	2 CFM (approx. 50 L/min)
Ultimate Vacuum	5 Pa (0.05 mBar)
Motor Power	1/4 HP
Motor Type	100% Copper Winding (High durability)
Oil Capacity	320 ml
Intake Fitting	1/4″ Flare (Standard SAE)
Dimensions	275 x 122 x 220 mm
Net Weight	~5.3 kg
Application	R134a, R22, R410a, R407c

---

Comparison: VP115 (Single Stage) vs. Dual Stage Pumps

When you are deciding between a single-stage pump like this and a more expensive dual-stage unit, it helps to see the difference clearly.

Characteristic	VP115 (Single Stage)	Typical Dual Stage (e.g., 2VP-2)	Verdict
Vacuum Depth	5 Pa (Good)	0.3 Pa (Excellent)	Single stage is fine for standard repairs; Dual is for deep-freeze/scientific work.
Weight	~5 kg (Light)	~10 kg (Heavy)	VP115 is much easier to carry to rooftops.
Price	Affordable	Expensive	VP115 offers better ROI for general repairs.
Maintenance	Simple Oil Change	Complex	Single stage is more forgiving with dirty oil.

---

Performance Analysis: Speed vs. Quality

Let’s compare how this pump performs against other common sizes when evacuating a standard 12,000 BTU Split AC.

Pump Size	Time to 500 Microns	Risk of Freezing Moisture	Best Use Case
1 CFM (Small)	45+ Minutes	Low	Very small fridges only.
2 CFM (VP115)	20-25 Minutes	Balanced	Residential AC & Fridges.
6 CFM (Large)	5-8 Minutes	High (if not careful)	Commercial chillers / Large VRF.

Pro Tip: Always use a micron gauge. The sound of the pump changing pitch is a good sign, but it is not a measurement!

---

Maintenance & Troubleshooting

To keep your VP115 running for years, follow this simple maintenance schedule.

Symptom	Probable Cause	Solution
Poor Vacuum	Dirty or low oil	Drain oil while warm and refill with fresh vacuum oil.
Oil Mist at Exhaust	Normal operation	This is normal when pumping large amounts of air at the start.
Pump Overheating	Low voltage or blocked fan	Check your extension cord gauge and clean the fan cover.
Hard Start	Cold weather	Warm up the oil or open the inlet port briefly to relieve pressure.

---

Focus Keyphrase:

ECQ Vacuum Pump VP115 2CFM 1/4HP

SEO Title:

Mbsmpro.com, ECQ Vacuum Pump, VP115, 2 CFM, 1/4 hp, 50 L/min, 220V, Single Stage

Meta Description:

Discover the ECQ Vacuum Pump VP115 (2 CFM, 1/4 HP). Perfect for HVAC technicians and artisans. Full specs, maintenance tips, and comparisons for R134a/R410a systems.

Slug:

ecq-vacuum-pump-vp115-2cfm-quarter-hp-specs

Tags:

Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Vacuum Pump, VP115, HVAC Tools, 1/4 HP Pump, Refrigeration Repair, Air Conditioning Service, 2CFM Vacuum, Compressor Tools

Excerpt:

The ECQ Vacuum Pump VP115 is the ideal tool for the artisan bricoleur. With 2 CFM displacement and a durable 1/4 HP motor, it perfectly balances portability and power for residential AC and fridge repairs. This guide covers specifications, maintenance, and why 100% copper winding matters for your daily work.

Inside the SECOP SCE Hermetic Compressor: A Complete Exploded View and Parts Identification Guide

For technicians, engineers, and procurement specialists in the commercial refrigeration industry, understanding the internal anatomy of a compressor is not just academic—it’s essential for efficient maintenance, accurate troubleshooting, and reliable sourcing of spare parts. The SECOP SCE series hermetic compressor is a cornerstone in many refrigeration systems, known for its durability and performance. This article provides a comprehensive, journalistic breakdown of its internal components using a detailed exploded view, serving as your definitive visual and technical guide.

Decoding the Exploded View: A Systematic Walkthrough

An exploded view diagram is more than just a parts list; it’s a roadmap to the machine’s soul. It shows how individual components interact within the sealed “hermetic” shell, where the motor and compressor are welded shut to protect against refrigerant and moisture. Let’s navigate the key assemblies revealed in the SCE compressor diagram.

1. The Core Compression Assembly

This is the heart of the compressor, where mechanical motion translates into refrigerant compression.

• Piston (11) & Cylinder (Part of Crankcase 15): The piston moves within the cylinder bore, creating the vacuum and pressure cycles.
• Crankshaft (8): Driven by the motor, its rotational motion is converted into the piston’s reciprocating motion via the connecting rod (9) and wrist pin (10).
• Valve System: This critical assembly manages refrigerant flow. The suction valve (17) opens to draw in low-pressure gas. The discharge valve (18), held by its stopper (19), opens to release high-pressure gas into the discharge muffler.

2. The Electrical & Drive Assembly

Nestled beneath the compressor, this assembly powers the entire system.

• Stator (27): The stationary part of the electric motor, containing copper windings, housed inside the stator case (28).
• Rotor (25): Pressed onto the crankshaft (8), it rotates within the stator’s magnetic field.
• Hermetic Terminal (31): The vital electrical pass-through that allows power cables to enter the sealed compressor housing without leaking refrigerant.

3. Structural & Ancillary Components

These parts provide support, balance, and necessary functionalities.

• Compressor Housing (30): The iconic welded steel shell that contains all components.
• Suspension Springs (29): Isolate vibrations, preventing noise and wear from transmitting to the refrigeration cabinet.
• Oil Pump (26): Often a centrifugal type on the crankshaft, it ensures critical lubrication reaches the upper bearing (7) and other moving parts.
• Counterweight (6): Balances the rotating assembly to minimize vibration, secured by a screw (4) and sometimes accompanied by a slinger (5).

Complete SECOP SCE Compressor Parts Reference Table

For quick reference and cross-referencing with part numbers, here is a complete table of the components identified in the exploded view:

Item No.	Part Name	Primary Function
01	Compressor Cover	Protects internal parts, forms suction chamber
02	Suction Connector	Inlet for low-pressure refrigerant gas
03	Discharge Connector	Outlet for high-pressure refrigerant gas
04	Counterweight Screw	Secures the counterweight to the crankshaft
05	Slinger	Assists in oil distribution
06	Counterweight	Balances rotating assembly to reduce vibration
07	Upper Bearing	Supports the top of the rotating crankshaft
08	Crankshaft	Converts motor rotation into piston movement
09	Connecting Rod	Links the crankshaft to the piston
10	Wrist Pin	Pivot point connecting piston and connecting rod
11	Piston	Compresses refrigerant within the cylinder
12	Internal Discharge Tube	Channels compressed gas to the muffler
13	Screw	Fastens various components (e.g., muffler)
14	Discharge Muffler Gasket	Seals the discharge muffler connection
15	Crankcase	Main body housing cylinders and crankshaft
16	Valve Plate Gasket	Seals between crankcase and valve plate
17	Suction Valve	One-way valve for refrigerant intake
18	Discharge Valve	One-way valve for refrigerant outlet
19	Discharge Valve Stopper	Limits discharge valve movement
21	Cylinder Head Gasket	Seals the cylinder head
22	Suction Muffler	Reduces noise from suction gas pulsation
23	Cylinder Head	Covers the cylinder, part of compression chamber
24	Cylinder Head Screw	Secures the cylinder head
25	Rotor	Rotating part of the electric motor
26	Oil Pump	Circulates oil for lubrication
27	Stator	Stationary electromagnetic part of the motor
28	Stator Case	Holds and positions the stator
29	Suspension Spring	Vibration isolation mounting
30	Compressor Housing	Main hermetic (sealed) outer shell
31	Hermetic Terminal	Electrical connection into sealed housing
32	Base Plate	Foundation for internal assembly mounts

Why This Knowledge Matters for Your Business

Whether you’re a technician diagnosing a faulty discharge valve or a sourcing manager looking for a genuine SECOP crankshaft, this visual guide empowers you with precision. Correct part identification:

• Reduces Downtime: Enables faster, accurate diagnosis.
• Ensures Compatibility: Guarantees replacement parts match the exact SCE model specifications.
• Promotes Effective Communication: Allows clear reference between teams, suppliers, and clients.