Kulthorn Kirby was the first hermetic compressor manufacturer in Thailand, established with Thailand Board of Investment promotion in 1980. The company was officially opened on January 13, 1982, with the initial production output of over 100,000 compressors in the first year of operation. Later, the production capacity was expanded to 5000,000 units/year, of which more than 70% are exported worldwide. In 1991, the company was listed in the Stock Exchange of Thailand with 500 millions Baht registered capital and in 2010, registered capital was increased to 850 millions.
Kulthorn Kirby specializes in the manufacture of hermetic reciprocating compressors for domestic refrigerators, commercial refrigeration systems and air conditioners. Their vision is to be the producer of best quality, world standard products that best meet customers’ needs. With concern for the environment and for meeting relevant safety standards, Kulthorn Kirby compressors are approved to many international performance and safety standards such as CE, UL, TUV, CCC, SASO and TISI.
Kulthorn Kirby Specification
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Kulthorn Kirby Compressor
Kulthorn Kirby was the first hermetic compressor manufacturer in Thailand, established with Thailand Board of Investment promotion in 1980. The company was officially opened on January 13, 1982, with the initial production output of over 100,000 compressors in the first year of operation. Later, the production capacity was expanded to 5000,000 units/year, of which more than 70% are exported worldwide. In 1991, the company was listed in the Stock Exchange of Thailand with 500 millions Baht registered capital and in 2010, registered capital was increased to 850 millions.
Kulthorn Kirby specializes in the manufacture of hermetic reciprocating compressors for domestic refrigerators, commercial refrigeration systems and air conditioners. Their vision is to be the producer of best quality, world standard products that best meet customers’ needs. With concern for the environment and for meeting relevant safety standards, Kulthorn Kirby compressors are approved to many international performance and safety standards such as CE, UL, TUV, CCC, SASO and TISI.
Kulthorn hermetic reciprocating compressors are characterized by high performance levels and energy efficiency. They have a low level of vibration and noise, a long operating period. Compressors are manufactured under license from Tecumseh USA – the world leader in the design and manufacture of compressors.
The AE series is designed for commercial refrigeration furniture, chest freezers, medium and low temperature chambers, vending machines, household refrigerators, freezers and coolers.
PH360G2C-4FTS1, 22000BTU, GMCC, Compressor rotary, 2 Ton, air conditioner, R22, refrigeration compressor , 50HZ 220V / 240V
Category: compressor
written by www.mbsm.pro | 22 April 2021
product description
Product Specification
Air Tank Capacity
2 Ton
Brand
BLUESTAR
Refrigerant
1.8 kg
Capacity
24840 Btu/Hr
Color
Black
I deal in
New Only
BSL CODE
CMROS220K1100
COMPRESSOR OPERATE ON
220-240V
COP
4.52 (w/w)
Capillary Size
1 way x 2.03mm x 508mm
Nominal Power input
2.15 HP & 1.6 KW
Oil Qty
700 cc
Run Cap
55/400 mF/VAC
Minimum Order Quantity
10
Copeland compressor related parameters
model
Volt support: V/phase
Replacement effect: cc/rev
Horsepower: HP
Cooling capacity: Btu
Input power: W
Rated load amplifier: A
Locked rotor ampere:
Oil change: L
ZR61KC-TFD-522
380V/460V50Hz/60Hz; 3P
82.6
5
61880
5400
11
63
1.95
ZR72KC-TFD-522
380V/460V50Hz/60Hz; 3P
98.1
6
73500
6250
13
75
1.77
ZR81KC-TFD-522
380V/460V50Hz/60Hz; 3P
107.8
6.8
82000
6950
15
100
1.77
ZR84KC-TFD-522
380V/460V50Hz/60Hz; 3P
113.6
7
85500
7300
15
100
2.51
ZR94KC-TFD-522
380V/460V50Hz/60Hz; 3P
127.2
7.8
96500
8200
16
95
2.51
ZR108KC-TFD-522
380V/460V50-60Hz; 3P
142.9
9
109000
9200
17
114
3.25
ZR125KC-TFD-522
380V/460V50Hz/60Hz; 3P
167.2
10
128000
10900
19
125
3.25
ZR144KC-TFD-522
380V/460V50Hz/60Hz; 3P
190.9
12
146000
12300
twenty two
125
3.25
ZR160KC-TFD-522
380V/460V50Hz/60Hz; 3P
209.1
13
160000
13,900
28
138
3.25
ZR190KC-TFD-522
380V/460V50Hz/60Hz; 3P
249.2
16
190000
16,800
34
173
3.25
ZR250KC-TWD-522
380V/460V50Hz/60Hz; 3P
325.2
20
249900
21700
30
225
4.67
ZR310KC-TWD-522
380V/460V50Hz/60Hz; 3P
410.6
25
306000
27100
38
272
6.80
ZR380KC-TWD-522
380V/460V50Hz/60Hz; 3P
502.7
32
379000
32700
45
310
6.30
GMCC rotary compressor 1. Higher energy efficiency The compressor COP is 395% under the conditions of WEER6O 2. Higher heating capacity Relative improvement of heating capacity at an ambient temperature of -15℃ by 20%-50% 3. Improved low temperature adaptabilityHigh outlet air temperatures at anambient temperature of -20℃ 4. Strong power Sub-Class-2 compression technology thatprovides strong power 5. High level of serialization Gas injection technology applied to thewhole lineup of 1HP-5HP
GMCC Compressor 220/240V 50Hz
Model
Displacement
Cooling Capacity
Power
Cop
Compressor Height
W
Btu/h
W
W/W
mm
PH300G2C-4KU1
29.8
5340
18220
1645
3.25
297
PH310G2C-4KU1
30.8
5515
18817
1695
3.25
310
PH340G2C-4KU1
33.7
6030
20575
1865
3.23
310
PH340G2C-4KU
33.7
6050
20643
1805
3.35
310
PH360G2C-4KU1
36
6475
22093
2005
3.23
324
PH370G2CS-4KU1
37
6650
22690
2065
3.22
324
PH370G2C-4KU
37
6660
22724
2020
3.3
324
PH400G2CS-4KU1
39.8
7100
24226
2255
3.15
354
PH400G2C-4KU
39.8
7095
24209
2215
3.2
354
PH420G2CS-4KU1
42.3
7420
25318
2390
3.1
354
PH420G2C-4KU
42.3
7555
25778
2365
3.2
354
PH440G2C-4KU
43.5
7810
26648
2390
3.27
354
PH460X3CS-4MU1
45.9
8080
27569
2600
3.1
396.5
PH480X3CS-4MU1
47.9
8460
28866
2730
3.1
396.5
Factory directly supply GMCC R22 T3 Air Conditioner Rotary Compressor 50HZ 220V/240V to Colombia Factories
Product Detail
Series
Typical model
Displ.
Cooling Capacity
Power
COP
Capacitor
Compressor Height
Discharge Pipe ID
Sucition Pipe ID
Remark
(cc)
(w)
(Btu/h)
(w)
(W/W)
(μF/V)
(mm)
(mm)
(mm)
1Φ-50HZ-220/240V
M2
PH200M2A-4FTS1
19.9
3555
12130
1095
3.25
35/370
292
8.2
12.9
PH210M2A-4FTS2
20.9
3765
12846
1160
3.25
35/370
292
8.2
12.9
PH310M2AS-4KTS1
31.0
5620
19175
1755
3.20
50/370
348
9.8
12.9
G2
PH340G2C-4KTS1
33.7
6050
20643
1890
3.20
60/400
310
9.8
12.9
PH360G2C-4FTS1
36.0
6455
22024
2015
3.20
60/400
324
9.8
16.2
PH400G2C-4KTS1
39.8
7080
24157
2250
3.15
60/400
354
9.8
12.9
PH420G2C-4KTS1
42.3
7540
25726
2370
3.18
60/400
354
9.8
12.9
PH440G2C-4KTS1
43.5
7685
26221
2500
3.07
60/400
354
9.8
12.9
Products Feature
1.Full range of product models with a wide application field
2.Covering the 1~3HP constant-voltage variable-frequency product series
3.Environment friendly, safe, efficient and economical
Since this is a single-phase ($1\phi$) unit, the electrical system relies on a Permanent Split Capacitor (PSC) motor. Below is the technical breakdown of the wiring logic for this 2-ton TOSOT unit:
Compressor Wiring: * Common (C): Connects directly to the Overload Protector (Internal).
Start (S): Connects to one side of the 50 $\mu$F Capacitor.
Run (R): Connects to the Neutral line and the other side of the capacitor.
Outdoor Fan Motor: Usually wired in parallel with the compressor power supply, using its own smaller capacitor (typically 5-7 $\mu$F).
Technical Article: TOSOT TS-H246JAL3 Lord Series Analysis
Focus Keyphrase: TOSOT TS-H246JAL3 2 Ton Compressor Specifications and R22 Engineering Guide
SEO Title: Mbsm.pro, TOSOT TS-H246JAL3, 2 Tons, 24000 BTU, R22, 220V, Lord Series Outdoor Unit
Meta Description: Technical deep-dive into the TOSOT TS-H246JAL3 2-ton outdoor unit. Features 23,500 BTU cooling, T3 tropical climate rating, and professional R22 compressor replacement data for HVAC engineers.
Excerpt: The TOSOT TS-H246JAL3 is a high-performance 2-ton outdoor air conditioning unit from the Lord Series, specifically engineered for T3 tropical environments. Delivering 23,500 BTU/h of cooling power, this R22-based system is a staple for technicians requiring reliability in extreme heat. This article provides full technical specifications and professional cross-reference guides.
Professional Specification Table
Model Parameter
Technical Data
Model
TS-H246JAL3
Tonnage
2 Tons
Utilization
HBP (High Back Pressure)
Domaine
Cooling & Heating (Heat Pump)
Oil Type
Mineral Oil (SUNISO 4GS or equivalent)
Horsepower (HP)
2 HP
Refrigerant Type
R22
Refrigerant Charge
1.8 Kg
Power Supply
220-240V / 50Hz / $1\phi$
Cooling Capacity
23,500 BTU/h
Heating Capacity
24,000 BTU/h
Motor Type
PSC (Permanent Split Capacitor)
Climate Type
T3 (Tropical – Up to 52°C)
Running Amperage
10.0 A (Cooling)
LRA (Locked Rotor)
52 A
Capacitor Value
50 $\mu$F / 450V
Performance Comparison: R22 vs. R410A (2-Ton Class)
In the field, the TS-H246JAL3 uses R22, which offers distinct operational differences compared to modern R410A units of the same tonnage.
Feature
TOSOT TS-H246JAL3 (R22)
Standard 2-Ton (R410A)
Operating Pressure (Suction)
65 – 75 PSI
115 – 130 PSI
Discharge Temperature
Moderate
High
Compression Ratio
Lower (Longer Life)
Higher
Oil Sensitivity
Low (Mineral)
High (POE – Hygroscopic)
Professional Replacement Cross-Reference
If the compressor fails, these models are the gold standard for direct replacement without modifying the chassis:
5 Direct R22 Replacements
Panasonic: 2K28C225A (Industry Standard)
Samsung: PH41VP-ET
LG: QP442PED
Highly: 203DH-32C2
Mitsubishi: RH313VAGT
5 Alternative Replacements (Conversion Required)
GMCC: PA240M2C-4FT (R410A)
Gree: QXF-B239zH070 (R410A)
Panasonic: 5RS092DAA (R410A)
Copeland: ZP24K5E (R410A Scroll)
Tecumseh: RK5515E (R22/R407C)
Engineer’s Notice & Field Advice
T3 Climate Advantage: This unit is rated for T3. As an expert, I recommend ensuring the outdoor unit has at least 50cm of clearance from any wall. T3 units move a massive amount of heat; restricting airflow will cause the amperage to spike above the rated 10A, leading to premature winding failure.
Capacitor Maintenance: The 50 $\mu$F capacitor is the most common point of failure. If the compressor hums but doesn’t start (drawing high LRA), check the capacitor before condemning the compressor.
Charging by Weight: Since the system uses 1.8 Kg of R22, always charge using a digital scale. Overcharging an R22 system in a T3 environment causes liquid slugging and destroys the valve plates.
The Copeland RS80C1E-CAZ-252 represents a specialized hermetic reciprocating compressor engineered for low-temperature refrigeration applications where reliability meets efficiency. This single-phase unit operates on R134a refrigerant and delivers consistent performance in demanding freezing environments ranging from -30°C to -10°C evaporating temperatures.
Technical Overview and Application Domain
The RS80C1E-CAZ-252 belongs to Copeland’s proven RS series of hermetic reciprocating compressors, designed specifically for commercial refrigeration applications requiring low back pressure operation. This compressor serves as the heart of various freezing systems including walk-in freezers, ice cream display cabinets, blast freezers, and frozen food storage units where maintaining sub-zero temperatures is critical for product preservation.
Operating at 220-240V single-phase 50Hz power supply, this unit draws approximately 5 amperes during normal operation, making it suitable for standard commercial electrical systems. The RSIR (Resistance Start Induction Run) motor type provides reliable starting characteristics without requiring expensive start capacitors, utilizing instead a simple current relay or PTC (Positive Temperature Coefficient) starting device.
Core Performance Characteristics
This 1 horsepower compressor generates approximately 8,000 BTU/hr cooling capacity when operating at standard LBP (Low Back Pressure) conditions. The displacement volume typically measures around 10.5 cubic centimeters per revolution, allowing the compressor to circulate sufficient refrigerant volume to maintain target evaporator temperatures even under heavy thermal loads.
The hermetic construction means the motor and compression mechanism are sealed within a welded steel shell, protecting internal components from environmental contamination while eliminating the risk of refrigerant leakage through shaft seals. This design philosophy extends operational lifespan and reduces maintenance requirements compared to open or semi-hermetic alternatives.
R134a refrigerant compatibility makes this compressor environmentally friendlier than older R22 units while delivering comparable performance in low-temperature applications. The hydrofluorocarbon (HFC) refrigerant operates with polyolester (POE) lubricating oil, which maintains proper lubrication characteristics across the wide temperature range encountered in LBP freezing applications.
Motor Design and Electrical Configuration
The RSIR motor configuration employs both main (run) and auxiliary (start) windings within the stator assembly. During startup, both windings receive power, creating phase displacement that generates starting torque. Once the motor reaches approximately 75 percent of operating speed, the centrifugal switch or current relay disconnects the start winding, allowing the compressor to continue running on the main winding alone.
This motor type requires lower starting torque compared to CSR (Capacitor Start Run) or CSIR (Capacitor Start Induction Run) designs, making it ideal for applications with lower mechanical resistance during startup. The thermal protection system monitors both motor temperature and current draw, automatically interrupting power if unsafe conditions develop.
The copper winding material provides excellent electrical conductivity and thermal performance. Proper winding insulation ensures reliable operation across the compressor’s operational temperature range, from ambient starting conditions down to the cold temperatures encountered when pumping low-temperature refrigerant vapors.
Refrigeration System Integration
When integrated into complete refrigeration systems, the RS80C1E-CAZ-252 typically connects to evaporator coils operating between -30°C and -10°C saturated suction temperature. The compressor maintains these low evaporator pressures while discharging high-pressure, high-temperature vapor to the condenser at pressures typically ranging from 10 to 15 bar depending on ambient conditions and condenser efficiency.
Proper superheat control becomes critical in low-temperature applications. Maintaining minimum 10°C superheat at the compressor suction prevents liquid refrigerant from entering the compression chamber, which could cause catastrophic damage to valve plates and piston assemblies. Most installations utilize thermostatic expansion valves (TXV) or electronic expansion valves (EEV) to precisely meter refrigerant flow and maintain proper superheat.
The suction line typically measures 1/2 inch ODF (Outside Diameter Flare), while the discharge line uses 3/8 inch ODF connections. Proper suction line sizing prevents excessive pressure drop that would reduce system capacity, while adequate insulation prevents heat gain that increases compression work and reduces efficiency.
Oil Management and Lubrication
The RS80C1E-CAZ-252 ships from the factory charged with approximately 400-450 milliliters of polyolester lubricating oil. POE oil provides superior miscibility with R134a refrigerant, ensuring adequate oil circulation throughout the refrigeration system even at low evaporator temperatures where conventional mineral oils would separate and accumulate.
In low-temperature applications, proper oil return becomes paramount. The suction line must maintain sufficient refrigerant velocity to entrain oil droplets and carry them back to the compressor. Vertical suction risers require minimum 1000 feet per minute velocity at minimum load conditions, often necessitating dual-riser configurations with traps to ensure oil return during light-load operation.
System installations should include oil separators on the discharge line for applications operating below -20°C evaporating temperature. The oil separator removes 95-99 percent of entrained oil from discharge gas before it reaches the condenser, preventing oil accumulation in low-temperature evaporators where viscosity increases and oil return becomes problematic.
Installation Best Practices
Mounting the compressor requires rigid support capable of handling vibration loads during operation. The unit features a quad mounting pattern with bolt holes spaced approximately 8.0 inches by 4.8 inches, standard for this compressor frame size. Rubber isolation grommets between the mounting feet and support structure minimize vibration transmission to surrounding structures.
Electrical connections must match nameplate specifications exactly. The terminal configuration includes common (C), run (R), and start (S) terminals clearly marked on the compressor terminal cover. Wiring should use copper conductors sized according to local electrical codes, typically 14 AWG minimum for this amperage rating with appropriate overcurrent protection.
The starting relay or PTC device mounts directly to the compressor terminal pins or connects via a short wire harness. Current relays work well with RSIR motors, sensing motor current to switch the start winding in and out of the circuit. PTC devices offer simpler installation with fewer components but may require replacement after multiple starting cycles.
Refrigerant Charging Procedures
Initial system evacuation must reach 500 microns or lower before refrigerant charging begins. This deep vacuum removes moisture and non-condensables that could compromise system performance or cause compressor failure through acid formation or reduced heat transfer efficiency.
R134a charging typically follows the superheat method for fixed-orifice systems or subcooling method for TXV-equipped systems. For low-temperature applications with TXV metering, target subcooling ranges from 8-12°C at the condenser outlet, ensuring liquid refrigerant reaches the expansion device without flash gas formation in the liquid line.
Operating pressures vary with ambient conditions and box temperature, but typical LBP systems operate with suction pressures between 0.5-2.0 bar absolute and discharge pressures from 10-14 bar at standard rating conditions. Monitoring both suction and discharge pressures during commissioning ensures proper charge quantity and system operation.
Performance Optimization
Maximizing compressor efficiency requires attention to several system parameters. Maintaining clean condenser coils ensures adequate heat rejection, preventing excessive discharge pressures that increase compression ratio and reduce capacity. Regular coil cleaning schedules keep condensers operating at peak performance.
Evaporator defrost cycles significantly impact low-temperature system operation. Electric defrost, hot gas defrost, or water defrost systems each present different challenges for compressor operation. Proper defrost termination prevents excessive refrigerant migration to the compressor during off-cycles, which could cause liquid slugging during restart.
Suction line accumulators provide additional protection against liquid floodback, particularly during defrost recovery periods when large quantities of liquid refrigerant evaporate rapidly. The accumulator captures liquid refrigerant and meters it back to the compressor at controlled rates, preventing damage while maintaining proper oil return.
Diagnostic Procedures
Monitoring amperage draw provides valuable diagnostic information. Normal running current should match nameplate specifications within 10 percent. Higher amperage indicates excessive discharge pressure from dirty condensers, refrigerant overcharge, or non-condensables in the system. Lower amperage suggests refrigerant undercharge, excessive suction superheat, or internal compressor wear.
Discharge line temperature measurement offers another diagnostic indicator. Excessive discharge temperatures above 110°C indicate low suction superheat, excessive compression ratio, or inadequate motor cooling from low suction gas flow. Installing discharge line temperature sensors enables continuous monitoring and early problem detection.
Suction and discharge pressure measurements combined with refrigerant pressure-temperature charts reveal system operating conditions. Comparing actual temperatures against saturation temperatures calculated from measured pressures identifies problems with superheat, subcooling, refrigerant charge, or airflow across heat exchangers.
Maintenance Requirements
Hermetic compressors require minimal routine maintenance compared to semi-hermetic or open designs. No scheduled oil changes or mechanical seal replacements are necessary. However, monitoring system operation through regular performance checks ensures early problem detection before catastrophic failure occurs.
Filter drier replacement follows manufacturer recommendations, typically annually or whenever system contamination occurs. Low-temperature applications benefit from oversized filter driers that minimize pressure drop while providing adequate moisture and acid removal capacity.
Electrical connections require periodic inspection and tightening to prevent high-resistance connections that generate heat and eventually fail. Terminal cover gaskets should remain intact to prevent moisture ingress that could cause motor winding insulation breakdown.
Troubleshooting Common Issues
Compressor short cycling often results from low refrigerant charge, dirty evaporator coils restricting airflow, or improperly sized thermal overload protection. Systematic diagnosis eliminates potential causes until the root problem is identified and corrected.
Failure to start can indicate electrical problems with the starting relay, PTC device, or motor windings. Checking voltage at the compressor terminals confirms power availability. Testing start and run winding resistance with an ohmmeter identifies open or shorted windings that require compressor replacement.
Excessive noise or vibration suggests mechanical problems within the compressor or inadequate mounting. Internal valve failures, worn piston assemblies, or bearing problems generate abnormal operating sounds. Loose mounting bolts or deteriorated isolation grommets transmit vibration to supporting structures.
Replacement and Cross-Reference Options
When replacement becomes necessary, several equivalent compressor models offer similar performance characteristics. Within the Copeland product line, the RS80C1E-CAV series provides updated refrigerant compatibility for newer low-GWP refrigerants while maintaining similar physical dimensions and capacity.
Environmental Considerations
R134a refrigerant, while significantly better than older CFC and HCFC refrigerants, still carries a global warming potential of 1430. Newer HFO and HFO-blend refrigerants offer substantially lower GWP ratings while delivering comparable performance. Future regulations may require transition to these low-GWP alternatives.
Proper refrigerant recovery during service and end-of-life disposal prevents atmospheric releases. Certified recovery equipment captures refrigerant for recycling or reclamation, complying with environmental regulations while reducing operating expenses through refrigerant reuse.
Energy efficiency impacts environmental footprint throughout compressor operational life. Maintaining peak system efficiency through regular maintenance reduces electricity consumption and associated carbon emissions from power generation.
Safety Considerations
High-pressure refrigeration systems present several safety hazards. Discharge pressures can exceed 15 bar during extreme conditions, capable of rupturing weak components or causing injury if system piping fails. Proper pressure relief devices protect against excessive pressures from abnormal operating conditions.
Electrical safety requires proper grounding of all system components including the compressor. Ground fault protection devices interrupt power if insulation breakdown creates electrical leakage paths that could cause shock or fire hazards.
Refrigerant safety depends on proper handling procedures. While R134a is classified as non-flammable, displacement of oxygen in confined spaces creates asphyxiation risks. Adequate ventilation and refrigerant detection systems protect technicians working with refrigeration equipment.
Advanced System Integration
Modern refrigeration controls enable sophisticated compressor operation strategies. Adaptive defrost systems optimize defrost frequency based on actual frost accumulation rather than fixed time schedules, reducing energy waste and temperature fluctuations.
Variable-speed condenser fans modulate heat rejection capacity to maintain optimal condensing temperatures across varying ambient conditions. This approach prevents excessive subcooling during cool weather while ensuring adequate capacity during peak summer conditions.
Remote monitoring systems track compressor performance parameters continuously, alerting managers to developing problems before failures occur. Cloud-based analytics compare current operation against historical baselines, identifying performance degradation that indicates maintenance needs.
Economic Analysis
The initial investment in quality compressor components pays dividends through extended operational life and reduced maintenance expenses. While premium compressors command higher purchase prices, lower failure rates and longer service intervals deliver superior total cost of ownership.
Energy efficiency directly impacts operating expenses throughout compressor life. A 10 percent efficiency improvement reduces electricity costs proportionally, generating cumulative savings that often exceed initial equipment costs over typical 10-15 year service lives.
Proper system design and installation maximizes return on investment. Oversized or undersized compressors sacrifice efficiency, while poor installation practices create problems that reduce reliability and increase maintenance expenses.
Compressor Replacement Options – Same Refrigerant (R134a)
Model
Brand
HP
BTU/hr
Voltage
Application
RST80C1E-PFV-959
Copeland
1 HP
8,000
208-230V/1/60Hz
LBP/Extended Medium
RS80C1E-CAV-252
Copeland
1 HP
8,250
208-230V/1/60Hz
LBP
AE4460Z-FZ1A
Tecumseh
1 HP
7,900
220-240V/1/50Hz
LBP
NTY65CLX
Embraco
1/4-1/3 HP
7,800
220-240V/1/50Hz
LBP
FR8.5G
Danfoss
1 HP
8,100
220-240V/1/50Hz
LBP
Compressor Replacement Options – Alternative Refrigerants
Model
Brand
Refrigerant
HP
BTU/hr
Voltage
Application
RS80C1E-CAV-224
Copeland
R404A/R407C
1 HP
8,250
208-230V/1/60Hz
LBP
AE4460Y-FZ1A
Tecumseh
R404A
1 HP
8,000
220-240V/1/50Hz
LBP
NJ6226Z
Embraco
R404A
1 HP
8,100
220-240V/1/50Hz
LBP
MTZ64-4VI
Danfoss
R404A/R448A/R449A
1 HP
8,200
220-240V/1/50Hz
LBP
FR8.5CL
Danfoss
R407C
1 HP
7,950
220-240V/1/50Hz
LBP
Comparative Performance Analysis
Understanding how the RS80C1E-CAZ-252 performs relative to competitive offerings helps technicians and engineers make informed equipment selections. The comparison table below highlights key performance differences:
Feature
Copeland RS80
Tecumseh AE4460Z
Embraco NTY65
Danfoss FR8.5G
Cooling Capacity
8,000 BTU/hr
7,900 BTU/hr
7,800 BTU/hr
8,100 BTU/hr
Energy Efficiency (EER)
7.8
7.6
7.5
8.0
Noise Level
52 dB(A)
54 dB(A)
53 dB(A)
51 dB(A)
Weight
18 kg
17.5 kg
16 kg
18.5 kg
Mounting Pattern
8.0″ x 4.8″
8.0″ x 5.0″
7.5″ x 4.5″
8.0″ x 4.8″
Starting Device
Current relay/PTC
Current relay
PTC
Current relay
Warranty Period
3 years
2 years
3 years
3 years
The Copeland RS80C1E-CAZ-252 demonstrates competitive performance across all metrics, with particular strengths in reliability and global service support availability.
System Design Considerations
Proper compressor selection requires matching capacity to application load requirements. Undersized compressors run continuously without achieving target temperatures, while oversized units short-cycle with poor humidity control and reduced efficiency.
Calculating accurate cooling loads accounts for product heat load, infiltration through door openings, transmission through insulated walls, internal lighting and equipment heat, and defrost energy input. Professional load calculation software ensures accurate sizing for reliable system operation.
Condensing unit location affects performance significantly. Outdoor installations experience widely varying ambient temperatures that impact capacity and efficiency. Indoor installations benefit from controlled environments but require adequate ventilation to prevent recirculation of condenser discharge air.
Energy Efficiency Optimization
Energy consumption represents the largest operational expense for most refrigeration systems. Strategic efficiency improvements deliver ongoing savings that accumulate throughout equipment service life.
Variable-speed compressor technology offers substantial efficiency gains compared to fixed-speed units, though reciprocating compressors like the RS80 series utilize on-off cycling rather than speed modulation. Future system upgrades might consider variable-speed scroll or inverter-driven compressors for applications with widely varying loads.
Floating head pressure control adjusts condensing temperature downward during cool ambient conditions, reducing compression ratio and improving efficiency. This strategy requires careful implementation to maintain adequate expansion device pressure differential and oil return velocity.
Heat reclaim systems capture condenser heat for domestic water heating, space heating, or process applications. Recovering waste heat that would otherwise dissipate to ambient improves overall system efficiency while providing useful thermal energy for building operations.
Technological Advancement Trends
Refrigeration compressor technology continues evolving toward higher efficiency, lower environmental impact, and improved reliability. Understanding emerging trends helps plan for future equipment replacements and system upgrades.
Natural refrigerants including CO2, propane, and ammonia gain market acceptance as regulations restrict high-GWP synthetic refrigerants. While the RS80C1E-CAZ-252 operates with R134a, future replacements may utilize low-GWP alternatives like R290 (propane) or R744 (CO2) depending on regulatory requirements.
Internet of Things (IoT) connectivity enables remote monitoring and predictive maintenance strategies. Sensors track compressor performance continuously, comparing current operation against baseline parameters to identify developing problems before failures occur.
Machine learning algorithms analyze operational data patterns to optimize system controls automatically. Adaptive algorithms adjust setpoints, defrost timing, and capacity modulation to minimize energy consumption while maintaining temperature requirements.
Professional Installation Guidelines
Quality installation practices dramatically impact long-term reliability and performance. Following manufacturer specifications and industry best practices ensures optimal results.
Brazing copper refrigerant lines requires flowing dry nitrogen through piping during heating to prevent internal oxide scale formation. Scale particles contaminate the system, causing expansion valve blockages and compressor wear that shorten service life.
Evacuation procedures must achieve deep vacuum levels to remove moisture that causes acid formation and copper plating. Triple evacuation with vacuum breaks accelerates moisture removal compared to single-stage evacuation, particularly important for large systems with extensive piping.
Pressure testing before evacuation identifies leaks while the system contains dry nitrogen rather than expensive refrigerant. Standing pressure tests lasting 24 hours verify joint integrity before proceeding with evacuation and charging procedures.
Professional Recommendations
Field experience with the Copeland RS series demonstrates these compressors deliver reliable performance when properly applied and maintained. The RS80C1E-CAZ-252 suits low-temperature commercial refrigeration applications requiring dependable operation with minimal service requirements.
Technicians should maintain detailed service records documenting operating pressures, temperatures, and amperage readings at each service visit. Trending this data over time reveals performance degradation indicating developing problems before catastrophic failures occur.
Stocking critical replacement components including starting relays, terminal covers with gaskets, and mounting grommets enables rapid repairs that minimize system downtime. For critical applications, maintaining a spare compressor provides insurance against extended outages during compressor failures.
Continuing education on refrigeration fundamentals, new refrigerant technologies, and advanced diagnostic techniques ensures technicians remain current with industry developments. Manufacturer training programs provide valuable insights into proper application and troubleshooting procedures specific to product lines.
Focus Keyphrase: Copeland RS80C1E-CAZ-252 hermetic reciprocating compressor R134a 1HP low temperature freezing LBP refrigeration 220-240V single phase RSIR motor commercial
SEO Title: Copeland RS80C1E-CAZ-252: 1HP R134a Compressor for Commercial Freezing | Complete Technical Guide
Meta Description: Comprehensive technical guide to Copeland RS80C1E-CAZ-252 hermetic reciprocating compressor. 1HP, R134a refrigerant, LBP freezing applications -30°C to -10°C. Installation, maintenance, replacement options.
Excerpt: The Copeland RS80C1E-CAZ-252 represents a specialized hermetic reciprocating compressor engineered for low-temperature refrigeration applications where reliability meets efficiency. This single-phase unit operates on R134a refrigerant and delivers consistent performance in demanding freezing environments ranging from -30°C to -10°C evaporating temperatures. Operating at 220-240V single-phase 50Hz power supply, this unit draws approximately 5 amperes during normal operation, making it suitable for standard commercial electrical systems.
Le compresseur hermétique ZMC GM70AZ, visible sur l’étiquette de la photo, est un modèle fonctionnant au réfrigérant R134a, conçu pour les applications à basse pression d’aspiration dans le froid ménager. Fabriqué en Égypte par Misr Compressor Manufacturing Co. (ZMC), il cible les réfrigérateurs et congélateurs domestiques alimentés en 220–240 V, 50 Hz, très répandus en Afrique du Nord et au Moyen‑Orient.
Caractéristiques techniques essentielles
Le GM70AZ appartient à la famille de compresseurs LBP (Low Back Pressure), avec une plage d’évaporation typique d’environ −30 °C à −10 °C adaptée au froid négatif. Il fonctionne au réfrigérant R134a, avec un refroidissement du moteur par convection statique et une alimentation monophasée 220–240 V, 50 Hz comme indiqué sur l’étiquette.
Ce compresseur offre une puissance de l’ordre de 1/5 HP, ce qui le positionne pour des réfrigérateurs et congélateurs ménagers de petite à moyenne capacité. Il est fourni avec des connexions brasées pour aspiration, refoulement et process, ce qui facilite son intégration dans les circuits frigorifiques standards des fabricants et des ateliers de maintenance.
Les compresseurs GM70AZ et EGM70AZ s’inscrivent dans la stratégie industrielle de ZMC visant à fournir des compresseurs hermétiques compétitifs pour les fabricants de réfrigérateurs et les marchés de rechange. Grâce à leur compatibilité avec le R134a, ils restent courants dans les appareils existants, même si le secteur s’oriente progressivement vers des réfrigérants à plus faible GWP comme le R600a.
Pour les techniciens frigoristes, l’identification correcte du modèle et du gaz, comme on le voit clairement sur l’étiquette GM70AZ, est essentielle pour respecter les conditions de fonctionnement (tension, plage d’évaporation, type de détente capillaire) et garantir longévité et efficacité énergétique. Ce type de compresseur est largement utilisé dans les ateliers de service en Tunisie, en Égypte et dans la région MENA, où les pièces ZMC sont facilement disponibles.
High‑Efficiency AFT Refrigerator Compressors for Modern Cooling Needs
Introduction
Compact hermetic compressors remain the hidden workhorses of domestic and light‑commercial refrigeration, and the new AFT range shown here illustrates how far this technology has evolved in terms of efficiency, reliability and refrigerant flexibility. Designed for 220–240 V, 50/60 Hz operation, these units target fridge, freezer and beverage cooler manufacturers seeking cost‑effective performance in small capacities.
Product overview
The images present several AFT hermetic refrigerator compressors, including R134a models QD43H, QV30H, QD52H, QD65H and QD75H, alongside R600a models WV43YB and QD91YB, each supplied with starting components and packed in branded cartons for retail or OEM use. The power range spans from approximately 1/10 HP up to 1/4–1/5 HP, matching the typical requirements of single‑door refrigerators, small freezers and display cases in homes, shops and horeca applications.
Technical characteristics
All units are hermetically sealed, reducing leakage risk and simplifying installation while improving noise control thanks to the steel shell and vibration‑damped mounting feet. Nameplate markings highlight CE conformity and compatibility with either R134a or R600a refrigerants, allowing system designers to align with current environmental regulations and low‑GWP requirements.
Main models and specifications
Model
Refrigerant
Nominal power (HP)
Typical application scope
Supply
Notes
QV30H
R134a
1/10 HP
Small single‑door fridge, beverage cooler
220–240 V, 50/60 Hz
Compact footprint suitable for tight cabinets
WV43YB
R600a
1/10 HP
Energy‑efficient domestic fridge with isobutane charge
220–240 V, 50/60 Hz
Emphasis on low noise and environmental protection on carton
High‑efficiency freezers or display cabinets using R600a
220–240 V, 50/60 Hz
Carton stresses low noise and energy efficiency
Market positioning and uses
Branding on the cartons identifies AFT as targeting refrigerator manufacturers, service centres and spare‑parts retailers that require a broad selection of capacities in consistent packaging for easy stocking. The combination of R134a and R600a models allows technicians to replace ageing compressors in legacy appliances or design new equipment that meets current efficiency and environmental expectations without changing voltage or frequency.
Summary of the topic
This AFT compressor range offers compact hermetic units from 1/10 to around 1/4–1/5 horsepower, engineered for 220–240 V, 50/60 Hz refrigerators and freezers in domestic and light‑commercial settings. With options for both R134a and environmentally friendlier R600a, the series gives appliance manufacturers and service professionals a flexible, low‑noise, energy‑conscious solution for modern cooling systems.
Model list with basic type
QD43H – hermetic refrigerator compressor, typically R134a, 220–240 V, used in small fridges and freezers.
QV30H – hermetic refrigerator compressor, R134a, about 1/10 HP for mini refrigerators and coolers.
QD52H – R134a hermetic compressor around 1/6 HP, LBP, 428 W at MBP conditions in mbsm.pro data.
QD65H – R134a hermetic compressor around 1/5 HP, LBP, 467 W at MBP conditions in mbsm.pro data.
QD75H – R134a hermetic compressor usually marketed as 1/5 HP for commercial or domestic refrigeration.
WV43YB – universal R600a hermetic compressor around 1/10 HP for domestic refrigerators and coolers.
QD91YB – R600a hermetic compressor about 1/5 HP for higher‑capacity fridges and freezers.
