Mbsmpro.com, Compressor, Aspera, J7238GE, 1.5 HP, Embraco, Cooling, R407C, 3800 W, 7.5 A, 1Ph 220-240V 50Hz, HBP, CSR, 0°C to +15°C, Commercial Cooling

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Technical Specifications: Aspera J7238GE

Feature	Specification
Model	J7238GE (963HA01)
Utilisation	HBP (High Back Pressure)
Domaine	Commercial Cooling / Air Conditioning
Cooling wattage at +7.2°C	3,845 W
Cubic feet can this compressor cool?	Approx. 180 – 250 cu. ft (Application dependent)
Litres can this compressor cool?	Approx. 5,000 – 7,000 Liters
Kcal/h	3,306 Kcal/h
TON (Refrigeration)	1.1 Ton
Oil Type and Quantity	POE 22 (Polyolester) / 887 ml
Horsepower (HP)	1.5 HP
Refrigerant Type	R407C
Power Supply	220-240V / 50Hz / 1 Phase
Cooling Capacity BTU	13,119 BTU/h
Motor Type	CSR (Capacitor Start – Run)
Displacement	32.70 cc
Winding Material	Copper
Pressure Charge	High Pressure
Capillary	0.070″ to 0.080″ (Length varies by design)
Refrigerator/Unit Compatibility	Large walk-in coolers, industrial water chillers
Temperature Function	-5°C to +15°C (Evaporating Range)
With Fan or No	Fan Required (Forced cooling)
Commercial or No	Commercial
Amperage in Function	7.4 A
LRA (Locked Rotor Amps)	38.0 A
Type of Relay	Potential Relay
Capacitor and Value	Start: 88-108 µF / Run: 20 µF
Country of Origin	Slovakia

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Compressor Replacements (Same Refrigerant: R407C)

1. Embraco NJ7240E
2. Tecumseh CAJ4511Z
3. Danfoss MTZ22-4VI (With slight modification)
4. Bristol H23A353DBEA
5. Copeland ZP31KSE-PFV

Compressor Replacements (Other Refrigerant: R404A/R134a)

1. Embraco NJ9238GK (R404A – HBP)
2. Tecumseh TAG4546Z (R404A)
3. Aspera NJ6226Z (R134a – requires larger displacement)
4. Danfoss SC18G (R134a – lower capacity)
5. Copeland ZB15KCE-TFD (R404A – Scroll version)

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Mastering High-Performance Cooling: The Aspera J7238GE Professional Overview

In the world of commercial refrigeration and industrial climate control, the Aspera J7238GE stands as a testament to Slovakian engineering precision. This 1.5 HP powerhouse is specifically designed for High Back Pressure (HBP) applications, making it a “go-to” choice for engineers managing large-scale walk-in coolers, industrial water chillers, and specialized air conditioning units.

Operating on R407C, an environmentally conscious HFC blend, the J7238GE provides a robust cooling capacity exceeding 13,000 BTU/h. Unlike standard household compressors, this unit utilizes a CSR (Capacitor Start – Run) motor configuration. This ensures high starting torque, allowing the compressor to kick in even under heavy thermal loads without tripping the thermal protection.

For the field worker, the reliability of the Slovakia-made Embraco/Aspera line is legendary. It handles the stresses of fluctuating ambient temperatures with grace, provided the maintenance of the forced-air cooling system is kept in check.

Efficiency Metrics (COP) & Performance Curve

The efficiency of the J7238GE is highly dependent on the evaporating temperature. Below is the performance data for R407C at a standard Condensing Temperature of 45°C.

Evaporating Temp (°C)	Cooling Capacity (Watts)	Power Consumption (Watts)	COP (W/W)
-10	1,950	1,210	1.61
-5	2,480	1,350	1.84
0	3,110	1,480	2.10
+5	3,845	1,620	2.37
+7.2	4,200	1,680	2.50
+10	4,680	1,750	2.67

Engineering Insight: R407C vs. R22 and R404A

When comparing the J7238GE to older R22 models or newer R404A units, several factors emerge:

• Glide: R407C has a significant temperature glide. As an engineer, you must ensure the system is charged in the liquid phase to maintain the correct blend ratio.
• Heat Transfer: R407C offers excellent heat transfer coefficients in HBP ranges, often outperforming R134a in similar physical footprints.
• Displacement: With a 32.7 cc displacement, the J7238GE moves a significant volume of gas, making it far more efficient for medium-to-large commercial cabinets than the standard NJ series used in smaller retail fridges.

Maintenance and Field Advice

1. Oil Management: This compressor uses POE oil. It is extremely hygroscopic (absorbs moisture quickly). Never leave the system open to the atmosphere for more than 15 minutes.
2. Start Components: Always check the potential relay and capacitors if the compressor hums but fails to start. A weakened 20µF run capacitor is often the silent killer of these motors.
3. Vibration: Ensure the mounting grommets are secure. The J7238GE is a heavy-duty reciprocating model; excessive vibration can lead to copper fatigue and subsequent leaks.

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Focus Keyphrase: Aspera J7238GE Compressor 1.5 HP R407C HBP Technical Specifications and Performance Data

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Meta Description: Discover the full technical specs of the Aspera J7238GE 1.5 HP compressor. Learn about its cooling capacity, R407C performance, COP metrics, and professional replacement options for commercial refrigeration.

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Tags: Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, Aspera, Embraco, J7238GE, 963HA01, R407C, 1.5HP, HBP, Commercial Cooling, NJ7240E, CAJ4511Z, MTZ22, NJ9238GK, Refrigeration Repair, HVAC Engineering.

Excerpt: The Aspera J7238GE is a powerhouse in the commercial cooling sector. Delivering 1.5 HP of performance using R407C refrigerant, this Slovakia-built compressor is designed for High Back Pressure applications. With a 32.7 cc displacement and a robust CSR motor, it provides reliable cooling for large-scale industrial chillers and commercial walk-in refrigeration systems worldwide.

Guide to Common Refrigerants: Standing, Suction and Discharge Pressures for Modern HVAC Systems

Refrigeration technicians today work with a mix of legacy and new-generation refrigerants, each with its own safe pressure range and boiling temperature. Understanding these values is essential for accurate diagnostics, safe charging and long compressor life in air‑conditioning and commercial refrigeration.​

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Key role of pressure charts

Pressure–temperature charts and standing/suction/discharge tables give technicians a fast reference for what a system “should” be doing at a given ambient or evaporating temperature.​
Using wrong reference values can lead to over‑charging, overheating, liquid slugging or misdiagnosis of a healthy system as faulty.​

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Overview of common refrigerants

The image groups the most used refrigerants in residential and light commercial systems: R22, R134a, R600a, R32, R290, R407C, R404A, R410A and R417 (R417A).​
Each gas has a typical standing pressure (static pressure at rest), an evaporating suction pressure, a condensing discharge pressure and a characteristic boiling point at atmospheric pressure.​

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Typical pressure ranges from the chart

The following table summarises the indicative values shown in the chart (all pressures are approximate, for normally loaded systems at typical comfort‑cooling conditions).

Indicative pressures and boiling points

Refrigerant	Approx. standing pressure	Approx. suction pressure	Approx. discharge pressure	Boiling point (°C)	Typical replacement for
R22	150–155 psi / 1034–1069 kPa ​	60–70 psi / 413–483 kPa ​	250–300 psi / 1724–2069 kPa ​	−40.8 °C ​	R11 / legacy R22 AC ​
R134a	80–95 psi / 552–655 kPa ​	12–15 psi / 83–103 kPa ​	~150 psi / 1034 kPa ​	−26.2 °C ​	R12 in domestic & auto ​
R600a	40–50 psi / 276–345 kPa ​	≈0–1 psi / 0–7 kPa ​	~150 psi / 1034 kPa ​	−11.7 °C ​	Low‑charge fridges, R12 ​
R32	240–245 psi / 1655–1689 kPa ​	110–115 psi / 758–793 kPa ​	175–375 psi / 1207–2586 kPa ​	−52.0 °C ​	High‑efficiency R410A/R22 ​
R290	125–130 psi / 862–896 kPa ​	65–70 psi / 448–483 kPa ​	275–300 psi / 1896–2069 kPa ​	−42.1 °C ​	R22 in some systems ​
R407C	180–185 psi / 1241–1276 kPa ​	75–80 psi / 517–552 kPa ​	275–300 psi / 1896–2069 kPa ​	−45.0 °C (bubble) ​	R22 retrofits ​
R404A	180–185 psi / 1241–1276 kPa ​	80–90 psi / 552–621 kPa ​	275–300 psi / 1896–2069 kPa ​	−46.2 °C ​	R502 low‑temp systems ​
R410A	225–230 psi / 1551–1586 kPa ​	120–130 psi / 828–896 kPa ​	450–500 psi / 3103–3447 kPa ​	−51.4 °C ​	Modern R22 AC ​
R417A	~140 psi / 965 kPa standing ​	~65 psi / 448 kPa suction ​	~261 psi / 1796 kPa discharge ​	−39.0 °C ​	R22 service blend ​

These figures are not universal “set‑points”, but practical targets that help technicians decide whether a system is under‑charged, over‑charged or suffering airflow or mechanical problems.​

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Safety, cylinder colours and replacements

Many countries use conventional cylinder colour codes to identify refrigerants quickly on site, although some regions are migrating to neutral colours with clear labelling.​
Hydrocarbons such as R290 and R600a are flammable, so working pressures must always be combined with strict leak‑prevention, ventilation and ignition‑control procedures.​

When phasing out ozone‑depleting R22, blends like R407C or R417A are often used in retrofit projects, while new high‑efficiency equipment typically relies on R410A or R32 with different design pressures.​
Comparing the standing and operating pressures during commissioning helps ensure that a replacement refrigerant is compatible with existing components such as compressors, valves and heat‑exchangers.​

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Practical use for technicians and trainers

• Technicians can laminate similar tables and keep them in the toolbox or on the workshop wall as a quick‑reference during charging and troubleshooting.​
• Training centres and HVAC content creators like Mbsmgroup and Mbsm.pro can turn these values into interactive quizzes, infographics or mobile‑friendly charts for students and new technicians.​​

The compressor model CRAQ-0150-PFV-501 is a Hermetic compressor manufactured by Copeland. It is a 1-phase, 208/230V compressor designed for air conditioning applications. The compressor uses HCFC or R-22 refrigerant and operates at 60Hz.

Here are some of the key specifications of the CRAQ-0150-PFV-501 compressor:

• Capacity: 18,300 – 23,900 BTU/hr
• Power: 1,910 – 1,520 W
• Current: 8.8 – 7.0 Amps
• EER: 9.6 – 15.7 BTU/Wh
• Mass Flow: 268 – 308 lbs/hr
• Sound Power: 72 – 77 dBA
• Vibration: 1.7 – 2.7 mils (peak-peak)
• Displacement: 2.00 in^3/Rev
• Overall Length: 9.44 in
• Overall Width: 9.13 in
• Overall Height: 13.56 in
• Mounting Length: 7.50 in
• Mounting Width: 7.50 in
• Mounting Height: 13.94 in
• Suction Size: 5/8 in
• Discharge Size: 3/8 in
• Initial Oil Charge: 55 oz
• Oil Recharge: 51 oz
• Net Weight: 61.0 lbs
• Internal Free Volume: 345.0 in^3

This compressor is no longer in production and has been replaced by newer, more efficient models. However, it is still a popular choice for replacement applications due to its reliability and performance.

Compressors

Used DWM Copeland DBRE4-0750-TFD-521 // 50Hz / 380-420V / 18,5A / 2900rpm / 30,85 m3/h // Max Oper. Press H/L 26,5/17 bar. *Why choose for HOSBV? Were not only the largest used refrigeration specialist in Europe, but also, we deliver all equipment including an extensive test, warranty and industrial cleaning. *Optional we can also perform a new paint job and arrange the logistics.

Specifications

No.	7956
Brand	DWM
Type	DBRE4-0750-TFD-521
Refrigerant	Freon
Refrigerant type	R 404 A or other types
kW at +10ºC/+40ºC	25,1
kW at 0ºC/+40ºC	17,2
kW at -5ºC/+40ºC	13,9
Remarks |	*Capacity based on (ZR94KC-TFD-523) / DBRE4-0750-TFD NO LONGER AVAILABLE. REFER TO SCROLL ZR94 (See pdf for more details)
Weight in kg.	58
Sizes	264x284x490mm (LxWxH)

 

Copeland compressor Features:

 

Copeland Model is from 2HP-30JP with high machining accuracy and numerous advantages: small volume, light weight, high efficiency, low vibration and high reliability which will largely replace the traditional piston compressor and has been widely used in the developed countries. 

 

1.With high and low voltage protection, relief valve, the motor overload protection device etc.

 

2.Easier maintenance, longer service life, design life of 15 years.

 

3.No internal reciprocating motion mechanism, so the simple structure, small volume, light weight.

 

4.Less Parts (especially vulnerable part), all parts are sealed inside the acoustic enclosure, at the bottom of the compressor is equipped with elastic damping device; Minimize the noise problem.

 

5.Torque changes little, high balance, little vibration, stable running, within the scope of its adaptive capacity have higher efficiency.

 

6.Compact structure, light weight, large capacity, power consumption province, can work continuously for a long time. 

 

 

Compressor  Code	Capacity		Input	Current	Weight	Height	Norminal  Power	Power Supply
	BTU	W	KW	A	kg	mm	HP
CR37KQ	27000	9170	3.13	9.4	31.8	376	3	220V/380V  50HZ-60HZ
CR47KQ	31500	11300	3.81	11.5	33.6	388	3.5	220V/380V  50HZ-60HZ
CR53KQ	36000	12400	4.3	12	33.6	388	4	220V/380V  50HZ-60HZ
CRGQ-0250	22500	7850	2.76	8.52	30.4	375	2.5	220V/380V  50HZ-60HZ
CRHQ-0275	24750	8200	2.89	9.38	30.4	375	2.75	220V/380V  50HZ-60HZ
CRJQ-0300	27000	9170	3.13	10.23	31.8	381	3	220V/380V  50HZ-60HZ
CRPQ-0450	40500	13400	4.56	14.6	38.1	428	4.5	380V  50HZ-60HZ
CRNQ-0500	45000	15000	5.02	13.4	38.1	409	5	380V  50HZ-60HZ
QR90K1	67500	21700	7.58	22.1	67.6	468	7.5	380V  50HZ-60HZ
QR12M1	90000	28200	10.1	29.5	69.4	468	10	380V  50HZ-60HZ
QR15M1	108000	34900	12.9	38.6	72.6	468	12	380V  50HZ-60HZ

 

Description

Copeland Hermetic Compressor CRJQ-0300-PFV

Note: Product image may vary and is for your reference only.

Get to know our wide range of Copeland Hermetic Compressors, Copeland Semi-Hermetic Compressors, Copeland Discus Compressors, Copeland Scroll Compressors (Tandem and trio), and Copeland Screw Compressors. We have for sale all its components, accessories and parts for their repair and replacement.

We have Repair and Remanufacturing in Semi-hermetic and Screw-type models.

Copeland Hermetic Compressor CRJQ-0300-PFV

Technical Data
CRJQ-0300-PFV

HCFC, R-22, 50 Hz, 1 -phase, 200 V

Air conditioning

Performance

Evaporator Temp(ºF) 45  45

Condensing Temp(ºF)  130   100

Return Gas (ºF) 65    65

Liquid Temp (ºF)  115   85

Capacity (Btu/hr)  31200    42300

Power (W): 3130    2600

Current (Amps): 16.9    14.2

EER (Btu/Wh): 10.0 16.3

Mass Flow (Ibs/hr): 457    545

Sound Data

Sound Power (dBA): 72 Avg  77 Max

Vibration (mils(peak-peak)): 1.8 Avg   2.8 Max

Record Date: 2004-08-19

Mechanical

Displ(in^3/Rev):  4.18

Displ(ft^3/hr): 420.47

Overall Length (in): 9.44

Overall Width (in): 9.13

Overall Height (in): 14.81

Mounting Length (in): 7.50

Mounting Width (in): 7.50

Mounting Height (in): 15.19*

Suction Size (in): 3/4 trozo

Discharge Size (In): 3/8 trozo

Initial Oil Charge (oz): 55

Oil Recharge (oz): 51

Net Weight (ibs): 69.0

Internal Free Volume (in^3): 395.0

Horse Power: NA

*Overall compressor height on Copeland Brand Product´s specified mounting grommets.

Electrical

LRA-High*: 93.0

LRA Low *: NA

LRA-Half Winding: NA

MCC (Amps): 31.5

Max Operating Current: NA

RLA(=MCC/1.4;use for contactor selection): 22.5

RLA(=MCC/1.56;use for breaker & wire size selection): 20.2

RPM: 2900

UL File No: SA-2337

UL File Date: 1984-12-28

*Low and High refer to the low and high nominal voltage ranges for which the motor is approved.

Capacitors

Type: Start Capacitor

Part No: 014-0008-65

Low MFD: 64.0

High MFD: 77.0

Volts: 330

User Description: LOW TORQUE

Type: Start Capacitor

Part No: 014-0008-71

Low MFD: 189.0

High MFD: 227.0

Volts: 220

User Description: ALTO BY

Type: Run Capacitor

Part No: 014-0037-11

Low MFD: 35.0

High MFD: 0.0

Volts: 370

User Description: NA

Alternate Applications

Refrigerant: R-22 HCFC

Voltage: 208/230

Phase 1

Freq (Hz): 60

Application: Air Conditioning

Copeland Hermetic Compressor CRJQ-0300-PFV

Product details

Gross weight	39.75 kg
Hp	4 1/4
Net weight	37.08 kg

EAN	5702428224598

 

Approval standard	CE UL
Brand technique	Scroll compressor
Capacity control	Fixed speed
Colour	Black
Compressor power supply [V/Ph/Hz]	380-415/3/50 460/3/60
Configuration code	Single
Connection type	Brazed
Description	HRP051T4
Diameter [mm]	184 mm
Discharge connection height [mm]	422 mm
Discharge connection pipe size [in]	1/2 in
Discharge connection size [in]	1/2 in
Drawing number	0XR6002B-2
Economizer	No
Fitting standard	ODF
Frequency [Hz]	50/60
Gauge port HP	None
Gauge port LP	None
Gaz equalization	None
Glass mounting	None
High side max pressure (Ps)	31.1 bar
High value of nominal voltage at 50Hz [V]	415 V
High value of nominal voltage at 60Hz [V]	460 V
High value of voltage range at 50Hz [V]	457 V
High value of voltage range at 60Hz [V]	506 V
IP protection class	IP22
Length [mm]	239 mm
Low side max pressure (Ps)	26.2 bar
Low value of nominal voltage at 50Hz [V]	380 V
Low value of nominal voltage at 60Hz [V]	460 V
Low value of voltage range at 50Hz [V]	342 V
Low value of voltage range at 60Hz [V]	414 V
LRA	60 A
MCC	13 A
Model number	HRP051T4LP6
Motor protection	Internal overload protector
Nominal cooling capacity 60 kBTU/h	49.15 kBtu/h

Nominal cooling capacity at 50Hz	10.8 kW
Nominal cooling capacity at 60Hz	14.4 kW
Nominal heating capacity at 50Hz	7 kW
Number of starts per hour [Max]	12
Oil charge [L]	1.57 L
Oil drain	None
Oil equalization	None
Oil reference	320HV
Oil type	PVE
Packing format	Industrial pack
Packing quantity	16
Phase	3
Power connections	Spade
Refrigerant	R407C
Refrigerant charge [kg] [Max]	5.44 kg
Relief valve	Yes
RLA	8.3 A
Rotational speed at 50Hz [rpm]	2900 rpm
Rotational speed at 60Hz [rpm]	3500 rpm
Segment usage	Air conditioning
Shipped instructions	Installation instructions
Shipped mounting	Mounting kit with grommets and sleeves
Shipped oil	Initial oil charge
Suction connection height [mm]	280 mm
Suction connection pipe size [in]	7/8 in
Suction connection size [in]	7/8 in
Swept volume [cm3]	68.83 cm³
Technology	Scroll
Total height [mm]	455 mm
Type	HRP
Type designation	Compressor
Viscosity [cP]	68 cP
Width [mm]	239 mm
Winding resistance 1-2 [Ohm]	2.6 Ohm
Winding resistance 1-3 [Ohm]	2.61 Ohm
Winding resistance 2-3 [Ohm]	2.65 Ohm

2.5 – 3 Ton’s 208/230 Volt 1-Phase 32,000 BTU Direct Factory Replacement Copeland Compressor.  The Model # is CR32K6-PFV-875.  This is Copeland’s recommended replacement for old Copeland Model #s CR32KQ-PFV-980WB & SRM4-0275-PFV.   It is rated at 32,000 BTU.  This compressor may or may not require small piping changes at installation. Thanks for looking and good luck!