Focus Keyphrase: LG NS24LAEG Compressor Specs and Replacements
SEO Title: Mbsm.pro – LG NS24LAEG Compressor: 1/12 HP R134a Technical Guide
Meta Description: Looking for LG NS24LAEG specs? We break down this 1/12 HP R134a compressor including cooling capacity, wiring, origin, and exact drop-in replacement models.
Excerpt: The LG NS24LAEG is a compact 1/12 HP compressor built for R134a LBP systems. You’ll usually find this unit running small water dispensers and mini-fridges. Here is the raw technical data and field replacements.
Field Introduction
You see the LG NS24LAEG pulled out of small residential appliances like water dispensers, dorm fridges, and under-counter ice boxes. It is a strictly Low Back Pressure (LBP) pump running R134a. Rated right around 1/12 HP, it has a tiny 2.42 cc displacement. It is not built to handle heavy commercial loads. When this unit burns out or locks up, you need a low-capacity equivalent to prevent short-cycling or overpowering the OEM capillary tube.
Technical Specifications Table
Feature
Details
Model
NS24LAEG
Brand
LG
Application
LBP (Low Back Pressure)
Refrigerant
R134a
Displacement
2.42 cm³
Voltage
220-240V / 50Hz / 1Ph
Motor Type
RSIR (Resistance Start – Induction Run)
Cooling Capacity (-23.3°C)
44 W / 150 BTU/h
Horsepower (HP)
~1/12 HP
Input Power
76 W
Electrical & Origin Details
Relay Type: PTC Starting Relay (specifically the P220MC matching the RSIR motor).
Capacitor Needs: None. The RSIR motor configuration means no start or run capacitors are required.
Manufacturing Origin: Manufactured by LG Electronics Inc. in Korea.
Efficiency Metrics Table
Performance drops hard if you push an LBP pump outside its temperature envelope. Here is how the NS24LAEG runs across the standard low-temp spectrum.
Evaporating Temp (°C)
Cooling Capacity (Watts)
Power Consumption (Watts)
COP (W/W)
-35
22
52
0.42
-30
31
61
0.50
-25
41
72
0.56
-23.3
44
76
0.58
-20
55
83
0.66
-15
73
94
0.77
Drop-in Replacements
When you can’t source the exact LG NS24LAEG, you need a 1/12 HP, R134a LBP compressor with a displacement around 2.4 to 3.0 cc. Here are solid field equivalents:
Embraco EMY20CLC: A rock-solid 1/12 HP drop-in. Matches the LBP footprint and capillary demands perfectly.
Secop / Danfoss TL3G: Slightly larger displacement (3.13 cc) but throttles well for small fridges and dispensers.
Jiaxipera T1040Y: Common Chinese market equivalent. Easy to pipe in and matches the RSIR electrical setup.
Huayi HYB35YG: Standard replacement. Pulls similar wattage and fits exactly the same base plate.
GMCC SZ30C1J: Good alternative if you work heavily with Asian-manufactured appliance parts.
LG NS24LAEG Compressor Specs and Replacements mbsmpro
Mbsmpro.com, Compressor, Donper, R134a, 1/6 hp to 1/2 hp, K and L Series, Cooling, Technical Data
In the HVAC and refrigeration industry, the Donper brand has become a synonymous name for reliability and cost-effective performance. Specializing in hermetic reciprocating technology, Donper’s R134a lineup—specifically the L-series and K-series—covers the vast majority of domestic and light commercial needs. From a small 1/6 HP refrigerator to a robust 1/2 HP commercial chest freezer, these compressors are engineered to handle varying thermal loads with consistent efficiency.
As a field technician or engineer, selecting the correct replacement or designing a system requires more than just knowing the horsepower. It requires a deep dive into displacement, motor torque, and winding characteristics. Below, we provide the definitive technical breakdown of the most common Donper R134a models.
Comparative Analysis: The Donper R134a Series
The transition from the L-series to the K-series marks a shift from residential “static” cooling to more demanding commercial “forced-air” or high-capacity “static” cooling. While the L58CZ1 is the quiet heart of a kitchen fridge, the K375CZ1 is the workhorse of the supermarket display.
Model
HP
Displacement (cc)
Cooling Cap (W)
Efficiency (W/W)
Motor Type
L58CZ1
1/6
5.8
140
1.15
RSIR
L65CZ1
1/5
6.5
165
1.20
RSIR
L72CZ1
1/4
7.2
195
1.25
RSIR/RSCR
K270CZ1
1/3
9.5
270
1.30
RSCR
K375CZ1
1/2
12.5
375
1.35
CSIR
Detailed Technical Data Sheets
Below are the exhaustive specifications for each model mentioned. This data is critical for calculating capillary tube lengths and ensuring electrical compatibility.
1. Donper L-Series (Domestic Focus)
Feature
L58CZ1 (1/6 HP)
L65CZ1 (1/5 HP)
L72CZ1 (1/4 HP)
Utilisation
LBP
LBP
LBP
Domaine
Cooling / Freezing
Cooling / Freezing
Cooling / Freezing
Oil Type / Qty
POE – 180ml
POE – 200ml
POE – 210ml
Power Supply
220-240V 50Hz
220-240V 50Hz
220-240V 50Hz
Cooling Capacity
478 BTU/h
563 BTU/h
665 BTU/h
Motor Type
RSIR
RSIR
RSIR/RSCR
Winding Material
Copper
Copper
Copper
Pressure Charge
100-120 PSI (Static)
100-120 PSI (Static)
110-130 PSI (Static)
Capillary (Typical)
0.028″ x 3m
0.031″ x 3m
0.036″ x 3m
Fan Required
No (Static)
No (Static)
Optional
LRA (Amps)
6.5 A
8.0 A
9.5 A
Capacitor
N/A
N/A
4-5 µF (if RSCR)
2. Donper K-Series (Commercial Focus)
Feature
K270CZ1 (1/3 HP)
K375CZ1 (1/2 HP)
Utilisation
LBP / MBP
LBP / MBP
Domaine
Large Freezing
Commercial Freezing
Oil Type / Qty
POE – 250ml
POE – 300ml
Power Supply
220-240V 50Hz
220-240V 50Hz
Cooling Capacity
921 BTU/h
1280 BTU/h
Motor Type
RSCR
CSIR (Start Cap)
Winding Material
Copper
High-Temp Copper
Pressure Charge
120-140 PSI (Static)
140-160 PSI (Static)
Capillary (Typical)
0.042″ x 2.5m
0.050″ x 2.5m
Fan Required
Recommended
Yes (Forced Air)
LRA (Amps)
12.0 A
18.0 A
Capacitor
6 µF (Run)
60-80 µF (Start)
Cross-Reference & Replacement Guide
When the exact Donper model is unavailable, the following industry-standard alternatives can be utilized. Ensure you verify the mounting foot dimensions as they may vary slightly between brands.
5 Alternative Gas Replacements (System Flush Required)
Donper (R600a): D65CY1 (for 1/5 HP applications)
Secop (R290): NLE11KK (High Efficiency)
Embraco (R600a): EMX3115Y
Cubigel (R290): GLY12RA
LG (R600a): BSA075LHE
Engineering Best Practices & Maintenance
Expert Advice: The K375CZ1 (1/2 HP) generates significant heat during the compression cycle. If installing this in a confined space, a condenser fan is non-negotiable. Lack of airflow will lead to oil carbonization and premature valve failure.
Vacuuming: Always pull a vacuum down to 500 microns. R134a uses POE oil, which is highly hygroscopic (absorbs moisture). Moisture in the system leads to acid formation that eats through copper windings.
Capillary Match: When moving from a 1/6 HP to a 1/4 HP compressor, you must resize the capillary tube. Using an undersized capillary will cause high head pressure and trip the thermal overload protector.
Relay Testing: If the compressor fails to start but hums, check the PTC relay or the Start Capacitor (on 1/2 HP models). Donper relays are standardized, but always match the Ohm resistance of the original part.
SEO Title: Mbsmpro.com, Compressor, Donper, R134a, 1/6 hp to 1/2 hp, K and L Series, Cooling, Technical Data
Meta Description: Full technical data sheets for Donper R134a compressors: L58CZ1 (1/6HP), L65CZ1 (1/5HP), L72CZ1 (1/4HP), K270CZ1 (1/3HP), and K375CZ1 (1/2HP). Includes cross-reference and wiring tips.
Excerpt: Donper has established itself as a powerhouse in the hermetic compressor industry, providing reliable cooling solutions for domestic and light commercial applications. This technical analysis explores the R134a L and K series, ranging from 1/6 HP to 1/2 HP, offering engineers and technicians the critical data needed for successful repairs and system optimizations.
Donper Series – R134a Refrigerant (LBP, 220V/50Hz)
These models feature aluminum windings (Al-wire) and are designed for Low Back Pressure (LBP) applications.
Model
Power (HP)
Cooling Capacity (W)
Power Supply
Wire Type
S53CW1
1/8 HP
135W
220V/50Hz
Aluminum
L58CZ1
1/6 HP
145W
220V/50Hz
Aluminum
L65CZ1
1/5 HP
170W
220V/50Hz
Aluminum
L72CZ1
1/4 HP
195W
220V/50Hz
Aluminum
L76CZ1
1/4 HP+
215W
220V/50Hz
Aluminum
K230CZ1
1/4 HP+
230W
220V/50Hz
Aluminum
K270CZ1
1/3 HP
270W
220V/50Hz
Aluminum
K325CZ1
1/3 HP
325W
220V/50Hz
Aluminum
Donper Series – R600a Refrigerant (LBP, 220V/50Hz)
Models optimized for Isobutane (R600a), also using aluminum motor windings.
Model
Power (HP)
Cooling Capacity (W)
Power Supply
Wire Type
A120CY1T
1/8 HP
118W
220V/50Hz
Aluminum
A145CY1A
1/6 HP
138W
220V/50Hz
Aluminum
S100CY1
1/5 HP
168W
220V/50Hz
Aluminum
S118CY1
1/4 HP
200W
220V/50Hz
Aluminum
L140CY1
1/4 HP+
235W
220V/50Hz
Aluminum
Technical Definitions
LBP (Low Back Pressure): Optimized for low evaporating temperatures (typically -35°C to -10°C), making them ideal for household freezers and refrigerators.
Cooling Capacity (W): Measured in Watts, representing the amount of heat the compressor can remove per hour under standard test conditions (ASHRAE).
Al-wire (Aluminum Wire): A cost-effective alternative to copper. While lighter, it requires specific handling during repair and is generally found in “entry-level” or standard domestic units.
Compressor BPM1084Z, B1085A, AE8ZA7: A Comprehensive Overview
In the world of refrigeration and air conditioning systems, compressors play a pivotal role in ensuring efficient operation. One such compressor that has gained significant attention for its reliability and performance is the BPM1084Z/B1085A/AE8ZA7 , which is widely used in applications requiring precise temperature control. This article delves into the specifications, features, and applications of this compressor, making it easier to understand why it’s a popular choice for various industries.
Key Specifications
Below is a summary of the key specifications of the BPM1084Z/B1085A/AE8ZA7 compressor:
Parameter
Value
Model Numbers
BPM1084Z, B1085A, AE8ZA7
Horsepower (HP)
1/8 HP
Refrigerant Type
R134a
Power Consumption
102W
Displacement
4.15 cc
Application
Freezing Systems
Design
Rotary Compressor with RSIR Configuration
1. Model Identification
The BPM1084Z, B1085A, and AE8ZA7 are essentially different model numbers for the same compressor, often used interchangeably depending on the manufacturer or supplier. These models belong to the rotary compressor family, known for their compact design and high efficiency.
2. Refrigerant Compatibility
This compressor is designed to work with R134a , a widely-used refrigerant renowned for its environmental friendliness compared to older alternatives like R12. R134a is non-flammable, ozone-friendly, and suitable for low-temperature applications such as freezing systems.
3. Power and Efficiency
With a nominal power consumption of 102 watts and a displacement of 4.15 cubic centimeters , this compressor strikes an excellent balance between energy efficiency and cooling capacity. Its 1/8 HP rating makes it ideal for small-scale applications where space and power usage are critical considerations.
4. RSIR Design
The “RSIR” designation refers to the internal configuration of the compressor. It stands for Rotary Scroll Internal Reversing , indicating that the compressor uses a rotary mechanism combined with scroll technology for smooth and quiet operation. The internal reversing feature enhances versatility by allowing the compressor to handle both cooling and heating cycles when paired with appropriate systems.
Applications
The BPM1084Z/B1085A/AE8ZA7 compressor is particularly well-suited for applications involving freezing systems due to its ability to maintain consistent temperatures at lower levels. Some common use cases include:
Commercial Refrigeration: Used in small walk-in coolers, beverage chillers, and display cases.
Home Appliances: Integrated into compact freezers, wine coolers, and mini-split air conditioners.
Automotive Air Conditioning: Suitable for smaller vehicles or auxiliary cooling systems.
Laboratory Equipment: Employed in precision cooling systems for sensitive instruments and samples.
Advantages
Compact Size: The compressor’s small footprint makes it easy to install in confined spaces without compromising performance.
Low Noise Levels: Thanks to its rotary-scroll design, the BPM1084Z operates quietly, making it suitable for environments where noise reduction is essential.
Energy Efficiency: With only 102 watts of power consumption, it offers significant savings over time while maintaining effective cooling.
Reliability: Built with robust materials and advanced engineering, this compressor ensures long-term durability and minimal maintenance requirements.
Compatibility: Designed to work seamlessly with R134a refrigerant, it aligns with modern standards for environmentally safe systems.
Maintenance Tips
To ensure optimal performance and longevity of the BPM1084Z/B1085A/AE8ZA7 compressor, consider the following maintenance practices:
Regular Cleaning: Keep the compressor clean and free from dust or debris to prevent overheating.
Oil Checks: Ensure the compressor is adequately lubricated using the recommended oil type specified by the manufacturer.
System Inspections: Periodically inspect the refrigerant charge and piping for leaks or blockages.
Operational Monitoring: Monitor the system’s pressure and temperature readings to detect potential issues early.
Conclusion
The BPM1084Z/B1085A/AE8ZA7 compressor exemplifies the perfect blend of efficiency, reliability, and adaptability. Whether you’re looking to equip a commercial freezer, a home appliance, or specialized laboratory equipment, this compressor delivers dependable performance tailored to meet your needs. By understanding its specifications and adhering to proper maintenance guidelines, users can maximize its lifespan and enjoy consistent results across various applications.
