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

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.

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

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

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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: GMCC PE75H1C Compressor 1/4 HP R134a LBP Technical Specifications Wiring Diagram and Replacement Cross-Reference Guide

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Meta description: Professional technical analysis of the GMCC PE75H1C compressor. High-efficiency 1/4 HP LBP unit for R134a refrigeration. View wiring schemas, performance tables, and compatible replacements.

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Excerpt: The GMCC PE75H1C is a robust hermetic reciprocating compressor engineered for low back pressure applications using R134a refrigerant. Operating at 220-240V 50Hz, this 1/4 HP motor provides a cooling capacity of approximately 185W. This article provides technical datasheets, electrical wiring schemas, and professional cross-reference guides for global refrigeration maintenance and engineering.

Engineering Excellence: The GMCC PE75H1C Hermetic Compressor for R134a Systems

In the world of thermal management and domestic refrigeration, the GMCC PE75H1C stands as a benchmark for reliability and volumetric efficiency. Manufactured by Anhui Meizhi Compressor Co., Ltd (a Midea Group venture), this unit is a staple in high-performance household refrigerators and chest freezers. As an engineer who has worked extensively on the field, I can attest that the “PE” series represents a balance between compact mechanical design and thermal endurance.

This compressor is designed for Low Back Pressure (LBP) cycles, making it ideal for freezing applications where evaporation temperatures drop significantly below zero. Utilizing R134a, it remains a common choice for technicians servicing existing infrastructure where synthetic oils are standard.

Detailed Technical Specifications

Electrical Wiring Schema (RSIR Logic)

For field technicians, identifying the terminal pins is critical to prevent accidental motor burnout. The GMCC PE75H1C follows the standard triangular layout:

1. C (Common): The apex pin. Connected to the line voltage through the internal Thermal Overload Protector.
2. M (Main/Run): Bottom-right pin. Connected to the Neutral line.
3. S (Start): Bottom-left pin. Connected via the PTC (Positive Temperature Coefficient) relay.

Operational Logic: Upon startup, the PTC relay allows current to flow to the Start winding. As the PTC heats up, its resistance increases dramatically, effectively cutting off the Start winding once the motor reaches sufficient RPM, leaving only the Main winding energized.

Performance Comparison: GMCC PE75H1C vs. Industry Standards

When comparing the PE75H1C to other compressors in the same class, we look at the Coefficient of Performance (COP) and displacement efficiency.

Professional Replacement Cross-Reference

Choosing the right replacement is vital for maintaining the refrigerator’s original thermal balance.

5 Compressor replacements in same value (R134a):

1. Zem/ACC: GL90AA
2. Embraco: EMT6170Z or FFI 7.5HAK
3. Secop (Danfoss): NL7F
4. Huayi: AE1380Y
5. Tecumseh: THB1375YSS

5 Compressor replacements in same value (R600a Conversion):
Notice: Conversion requires a full system flush and capillary adjustment.

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

Engineering Advice and Best Practices

• Thermal Protection: The “Thermally Protected” label indicates an internal bimetallic switch. If the compressor stops and feels extremely hot, do not force a restart. Let it cool for 30 minutes. Check the condenser coils for dust; poor airflow is the primary killer of the PE75H1C.
• Oil Compatibility: This unit uses POE (Polyolester) oil. Never mix mineral oil (MO) with this system. If you are retrofitting, ensure the system is flushed with nitrogen to remove moisture, as POE oil is highly hygroscopic.
• Vacuum Standards: For R134a systems, reaching a vacuum of at least 500 microns is non-negotiable. Residual moisture reacts with R134a and POE oil to create acid, which will eventually dissolve the copper windings.
• Startup Amperage: If the compressor draws high amperage (above 5A) and trips the protector, first replace the PTC relay. These components degrade over time and are a common point of failure before the motor itself fails.

Benefits of the GMCC PE75H1C

The primary benefit of this model is its durability in tropical climates. The motor is wound with high-quality copper that resists heat better than aluminum alternatives. Its compact footprint also makes it versatile for a wide range of refrigerator brands, simplifying inventory for HVAC professionals.

Huaguang ASQ80HG Compressor: A Reliable Solution for Modern Refrigeration Systems

The Huaguang ASQ80HG compressor is a high-performance refrigeration component from the renowned Q Series , designed to meet the demands of modern cooling systems. With its compatibility with R134a refrigerant , high back-pressure (HBP) capability, and energy-efficient design, this compressor is an excellent choice for both domestic and commercial applications. Below, we explore its specifications, features, applications, and comparative analysis, supported by a detailed table.

Key Specifications

• Model : ASQ80HG
• Series : Q Series
• Power Input : 800W
• Horsepower : 1/4 HP (approximately 0.186 kW)
• Refrigerant : R134a
• Voltage/Frequency : 220-240V / 50Hz
• Application Type : High Back Pressure (HBP)
• 

Overview of Features

The Huaguang ASQ80HG compressor is engineered for efficiency, durability, and environmental sustainability. Its compatibility with R134a refrigerant , a non-ozone-depleting gas, ensures compliance with global environmental standards. With an input power of 800W , it strikes a balance between performance and energy consumption, making it cost-effective for long-term use.

The high back-pressure (HBP) capability allows the compressor to maintain stable cooling in systems where evaporator pressures are relatively high, such as in freezers, display coolers, and other medium-temperature refrigeration setups.

Applications

The versatility of the ASQ80HG makes it suitable for a wide range of cooling applications, including:

1. Domestic Refrigerators/Freezers : Ideal for home use due to its compact size and energy efficiency.
2. Display Coolers : Perfect for retail environments requiring product visibility while maintaining low temperatures.
3. Small-Scale Industrial Cooling : Suitable for systems demanding precise temperature control without heavy-duty cooling requirements.
4. Cold Storage Units : Effective in maintaining consistent temperatures for perishable goods.

Comparative Table of Huaguang Compressors

Below is a comparative analysis of the Huaguang ASQ80HG with similar models in the Q Series , highlighting its unique advantages.

Why Choose the Huaguang ASQ80HG?

1. Energy Efficiency : The 800W power input ensures optimal performance while minimizing energy consumption, reducing operational costs.
2. Environmental Friendliness : The use of R134a refrigerant ensures compliance with global environmental regulations, as it does not contribute to ozone depletion.
3. High Back Pressure Capability : Designed for systems requiring stable cooling under high back-pressure conditions, making it ideal for freezers and display coolers.
4. Compact Design : Its compact size makes it suitable for installations with limited space, such as small kitchens or retail displays.
5. Durability : Built to withstand demanding operating conditions, ensuring longevity and reliable performance.

Installation and Maintenance Tips

To ensure the best performance and longevity of the Huaguang ASQ80HG , follow these guidelines:

• Electrical Compatibility : Verify that the voltage (220-240V) and frequency (50Hz) match your local power supply.
• Proper Refrigerant Charge : Use only R134a refrigerant to avoid system inefficiencies and potential damage.
• Regular Cleaning : Clean the condenser coils periodically to prevent overheating and ensure efficient operation.
• Professional Installation : Hire a certified technician for installation and maintenance to avoid errors and ensure optimal performance.

Conclusion

The Huaguang ASQ80HG compressor from the Q Series is a versatile, energy-efficient, and environmentally friendly solution for various refrigeration needs. Its compatibility with R134a refrigerant , combined with its high back-pressure capability , makes it a standout choice for both domestic and commercial applications. Whether you’re upgrading your refrigerator, installing a new cooling system, or managing a retail display cooler, the ASQ80HG offers dependable performance and excellent value.

Comprehensive Overview of the NBY5170Y Compressor

The NBY5170Y is a high-performance compressor designed for refrigeration and air conditioning applications. Manufactured by Embraco, a leading name in the HVACR industry, this compressor is engineered to deliver reliable and efficient cooling performance. Below, we delve into the key features, specifications, and applications of the NBY5170Y compressor.

Key Features

1. High Cooling Capacity: The NBY5170Y is designed to handle demanding cooling tasks, making it suitable for both commercial and industrial applications.
2. Energy Efficiency: With a high efficiency rating (W/W), this compressor ensures optimal performance while minimizing energy consumption.
3. Robust Construction: Built to withstand harsh operating conditions, the NBY5170Y offers durability and long service life.
4. Versatile Applications: This compressor is suitable for a wide range of refrigeration and air conditioning systems, including commercial refrigerators, freezers, and air conditioning units.

Technical Specifications

• Model: NBY5170Y
• Displacement: 14.3 cm³
• Motor Type: RSCR (Reluctance Start Capacitor Run)
• Power: 1/4 HP
• Voltage/Frequency: 220-240V / 50Hz
• Cooling Capacity: 842 W (at ASHRAE nominal point)
• Efficiency: 3.1 W/W
• Refrigerant: R600a (Isobutane)
• Oil Type: AB 5
• Weight: 15 kg
• Maximum Height: 206 mm
• Locked Rotor Amps (LRA): 15 A
• Application: High Back Pressure (HBP) systems

Performance Data

The NBY5170Y compressor is designed to operate efficiently across a range of temperatures. Here are some key performance metrics:

• Nominal Point (ASHRAE): 7.2°C Evaporation Temperature / 54.4°C Condensation Temperature
• Cooling Capacity Range: Varies based on operating conditions, with a maximum capacity of 842 W at the nominal point.
• Efficiency Range: The compressor maintains high efficiency across different load conditions, ensuring energy savings.

Applications

The NBY5170Y compressor is ideal for various applications, including:

• Commercial Refrigeration: Suitable for medium to large commercial refrigerators and freezers.
• Air Conditioning: Can be used in air conditioning systems requiring high cooling capacity.
• Heat Pumps: Effective in heat pump systems for both heating and cooling.

Installation and Maintenance

• Installation: Ensure proper mounting and alignment to avoid vibrations and noise. Follow the manufacturer’s guidelines for electrical connections and refrigerant piping.
• Maintenance: Regular maintenance is crucial for optimal performance. This includes checking oil levels, inspecting electrical connections, and ensuring the compressor is free from debris.

Conclusion

The NBY5170Y compressor by Embraco is a reliable and efficient solution for demanding refrigeration and air conditioning applications. Its robust design, high cooling capacity, and energy efficiency make it a preferred choice for commercial and industrial use. Whether you are upgrading an existing system or installing a new one, the NBY5170Y offers the performance and reliability you need.

For more detailed information, including wiring diagrams and specific installation instructions, refer to the official Embraco documentation or consult with a certified HVACR technician.

Mbsm_dot_pro_private_PDFembraco_r600a_lmbp_2_hbp

Specifications of Sharp Refrigerator:

1. Rated Voltage:

   • 220-240 volts (suitable for use in most Arab countries).

2. Rated Frequency:

   • 50 Hz (the standard frequency in the Arab region).

3. Rated Input (Power Consumption):

   • 170-190 watts (this indicates power consumption during normal operation).

4. Rated Input of Heating Elements:

   • 138-164 watts (used during the defrosting process).

5. Defrosting Input:

   • 137-163 watts.

6. Total Gross Volume:

   • 610 liters (this includes the entire internal space of the refrigerator and freezer).

7. Total Storage Volume:

   • 577 liters (this refers to the actual usable space).

8. Climate Class:

   • T (this means the refrigerator is designed to operate in ambient temperatures up to 43°C, making it suitable for hot regions).

9. Refrigerant Type:

   • HFC-134a (a commonly used and environmentally friendly refrigerant).

10. Mass of Refrigerant:

    • 130 grams.

11. Net Weight:

    • 88 kilograms.

12. Serial Number:

    • 009,V (used for identification when contacting customer service).

Important Notes:

• Energy Efficiency: The power consumption ranges between 170-190 watts, making this refrigerator relatively energy-efficient.
• Large Capacity: The large storage capacity (577 liters) makes it suitable for large families.
• Suitable for Hot Climates: The T climate class means it operates efficiently in high-temperature regions.
• Environmentally Friendly: The use of HFC-134a refrigerant reduces environmental impact compared to traditional refrigerants.

Tips for Optimal Use:

Regularly clean the condenser (located at the back of the refrigerator) to ensure cooling efficiency.

Ensure adequate space around the refrigerator for proper ventilation.

Set the temperature to 4°C for the refrigerator and -18°C for the freezer to keep food fresh while saving energy.

Model and Specifications

The LG CMA110NJJM compressor is a classic model that operates on a single phase with a voltage of 220V and a frequency of 50Hz. It boasts a fixed speed and is powered by a 1/4 HP motor. This compressor is perfect for applications requiring a steady and reliable performance.

Energy Efficiency

Energy efficiency is a crucial factor when choosing a compressor. The LG CMA110NJJM excels in this area with an impressive energy consumption of 198 watts. It provides 170 kcal of cooling capacity and 676 BTU/h, ensuring optimal performance without excessive energy usage.

Refrigerant Type

The compressor uses R600a refrigerant, which is known for its environmental friendliness and efficiency. R600a is a hydrocarbon refrigerant that has a low global warming potential, making it a sustainable choice for modern applications.

LBP (Low Back Pressure)

One of the standout features of the LG CMA110NJJM is its low back pressure (LBP) design. This feature ensures that the compressor operates smoothly and efficiently, even under demanding conditions. The LBP design helps in maintaining consistent performance and reducing wear and tear.

Applications

The LG CMA110NJJM compressor is versatile and can be used in a variety of applications, including:

• Refrigeration Systems: Ideal for domestic and commercial refrigerators and freezers.
• Air Conditioning: Suitable for small to medium-sized air conditioning units.
• Cooling Solutions: Perfect for cooling solutions in various industrial and commercial settings.

Why Choose LG CMA110NJJM?

1. Reliability: LG is a trusted brand known for its high-quality products. The CMA110NJJM compressor is no exception, offering reliable performance and durability.
2. Efficiency: With its energy-efficient design and low back pressure feature, this compressor ensures optimal performance with minimal energy consumption.
3. Environmental Friendliness: The use of R600a refrigerant makes it an eco-friendly choice, contributing to a greener environment.
4. Versatility: Suitable for a wide range of applications, making it a versatile addition to your cooling and refrigeration systems.

Conclusion

The LG CMA110NJJM compressor is a top-tier product that combines efficiency, reliability, and environmental friendliness. Whether you need it for refrigeration, air conditioning, or other cooling solutions, this compressor is a smart investment. Upgrade your systems with the LG CMA110NJJM compressor and experience the difference in performance and efficiency.

For more information or to purchase the LG CMA110NJJM compressor, visit Mbsm.pro today!

Embraco EGUS 80HLP compressor along with its specifications and details related to LBP (Low Back Pressure) applications:

This table provides a comprehensive overview of the Embraco EGUS 80HLP compressor, highlighting its specifications, performance metrics, and suitability for low back pressure applications.

Product information “CUBIGEL / HUAYI GU80TB Compressor, HMBP – R134A, 200 – 240V, 50HZ”

CUBIGEL / HUAYI GU80TB hermetic, HMBP – R134A, 200 – 240V, 50HZ

Compression 8,10 [cm3],

CSIR type engine,

Öltyp POE,

Öinflation 220 cm3, 686 W in +5 / +55 C°; according to CECOMAF,

Input power 346 W, 2.14 A,

Expansion device: capillary or expander, cooling by fan,

Weight 9.23 kg

Replacing: GL80TB