GMCC EAPN150D33UFZ3 Rotary Compressor: R410A DC Inverter Vapor Injection Specifications and Selection Guide

By AUTHOR_NAME, AUTHOR_JOB_TITLE, Qishanr Technologies Co., Limited | Published: YYYY-MM-DD | Last updated: 2026-09-22

Key facts at a glance

What is the GMCC EAPN150D33UFZ3?

GMCC EAPN150D33UFZ3 is a hermetic rotary compressor for R410A air conditioning and refrigeration systems, built with DC inverter drive and enhanced vapor injection. GMCC groups compressors of this type under the catalogue heading "Enhanced Vapor Injection DC-INV Compressor" in its R410A rotary compressor section, and independent equipment manufacturers specify the model as the compressor inside R410A inverter condensing units. It sits inside the GMCC rotary compressor range, part of the wider catalogue of rotary compressors for air conditioning and refrigeration. GMCC publishes the same family in its official product centre.

Vapor injection adds a second intake path, so the compressor can hold useful capacity when the pressure ratio across it grows. That condition appears in cold weather heating and in medium and low temperature refrigeration, which is why the published application envelope reaches an evaporating temperature of -38 degrees Celsius. The model shares its displacement block with EAPN150D30UFZ and EAPN150D42UFZ, and sellers routinely list the three together.

Technical specifications

Rated power and rated capacity above are taken from a marketplace listing that covers three models with one specification block. They match GMCC's own published rating for EAPN150D30UFZ, so treat them as indicative until a GMCC datasheet for the exact model string is in hand. The unverified list at the end of this guide records this in full.

RoHS in the table refers to Directive 2011/65/EU, the EU restriction on hazardous substances. Compliance is declared by the supplier, so confirm that the declaration covers the version in force in your market.

Performance across the speed range

Test condition: condensing temperature 40 degrees Celsius, evaporating temperature -10 degrees Celsius. Source: ECOLDA ECBZA20EL R410A inverter condensing unit, which uses EAPN150D33UFZ3 as its compressor.

Capacity rises by a factor of 3.45 between the lowest and highest published frequency point. That ratio is derived from the two figures above and is not a manufacturer statement. In practice a system spends most of its running hours in the middle of the band, so the 60 Hz figure deserves more attention during selection than the headline maximum.

Why the same compressor shows different capacity figures

Compressor catalogues and condensing unit datasheets do not measure at the same point, and mixing the two produces wrong comparisons. A compressor catalogue rates one compressor at a standard point defined by the standard in use, and GMCC prints the condition next to each family table. A condensing unit datasheet measures a complete system, meaning compressor plus condenser, fan and control, at its own evaporating and condensing temperature. The unit figure is usually lower because it includes the rest of the circuit.

For this reason, a 5,520 W catalogue rating and a 5,024 W unit measurement are not in conflict. They answer different questions. Always compare figures that share one test condition, and when a datasheet does not state its condition, ask the supplier for it before quoting a number to a client. Rating standards such as AHRI 540 exist precisely because compressor capacity is only meaningful together with a stated test condition.

What does the model code EAPN150D33UFZ3 mean?

GMCC publishes a model naming legend in its rotary compressor catalogue. The verified entries are:

The legend also lists "More Refrigerant Model"and "Injection Model" as elements that can appear in a model string.

In EAPN150D33UFZ3 the letter P sits in the structure position, so the code declares a twin cylinder vapor injection compressor. That reading agrees with two independent facts: GMCC files the model family under its heading, and suppliers describe the model as a DC inverter vapor injection refrigeration compressor.

One caution. The catalogue editions reviewed for this guide do not spell out every digit of every model string. The numeric block after the structure letter encodes displacement and a serial class, and the digit blocks after the D vary across the family. Do not use the code alone to confirm displacement or electrical rating. Ask for the GMCC datasheet for the exact model string before committing to a design.

Which applications suit the EAPN150D33UFZ3?

• Commercial refrigeration condensing units. The model appears as the compressor in outdoor R410A inverter condensing units aimed at supermarkets and cold rooms.
• Medium and low temperature display and storage duty. The published evaporating range of -38 to 15 degrees Celsius covers frozen display, chill display and cold storage designs. For a lower displacement refrigeration alternative at the same duty, see the GMCC PH108X1C-4DZDE2 R134a rotary, rated at 10.8 cc/rev.
• Hot climate outdoor installation. Published ambient range reaches 43 degrees Celsius, so the model is specified for equipment that must keep working through a hot summer. For a hotter design point, see the GMCC ASQ280Y1UMP, rated to 52 degrees Celsius ambient.
• Cold climate heat pump heating. Vapor injection exists to protect heating capacity when outdoor temperature falls, which is the design problem in northern markets.
• Service replacement. Sellers group EAPN150D33UFZ3 with EAPN150D30UFZ and EAPN150D42UFZ, so it is commonly bought as a replacement compressor rather than only as original equipment.

Why enhanced vapor injection changes cold weather performance

Vapor injection takes a portion of refrigerant vapor from the circuit and feeds it into the compression process at an intermediate pressure. The effect is to lower the discharge temperature and to keep mass flow up when the pressure ratio is large. GMCC states that the design improves low temperature heating efficiency and hot water capacity, and publishes these figures for the family:

• Heating capacity improved by 85% at an ambient temperature of -15 degrees Celsius, with outlet air temperature up to 50 degrees Celsius.
• Efficiency improved by 15 to 20%, supporting air source heat pump applications.

GMCC also publishes figures for its updated energy efficiency inverter compressor line:

• Compressor COP up 8%, air conditioner APF up 6%, meeting the updated first class energy regulation.
• Compressor noise down 3 dB, sixth octave noise down 4 to 5 dB, airflow pulsation down 50%.

These are manufacturer claims for the family or product line, not third party test results for EAPN150D33UFZ3. Present them as GMCC published figures when quoting them, and do not restate them as measured performance of a specific unit.

Where it sits in GMCC's R410A enhanced vapor injection family

Source: GMCC Emerging Markets Rotary Compressor Catalogue, R410A enhanced vapor injection section.

The table uses displacement, height and connection sizes because those are physical facts that do not move with test condition. Capacity, input power and COP for the same models are printed alongside a test condition and must be read with that condition attached.

EAPN150D33UFZ3 itself does not appear in the two GMCC catalogue editions reviewed here. The nearest documented model is EAPN150D30UFZ, which carries the same 150 displacement block. That makes EAPN150D30UFZ the correct reference point for envelope checks, and it is also the figure that suppliers have copied into their listings for the 33 variant.

GMCC does publish displacement figures for other inverter rotary models, so a figure for this string can be obtained from the manufacturer. See other GMCC inverter rotary models with published displacement, plus the full set of GMCC model guides on this site.

Selection checklist

1. Confirm the refrigerant and circuit: the model is an R410A compressor, so the oil, expansion device and pipe sizing must suit R410A.
2. Check the design points against the envelope: evaporating temperature -38 to 15 degrees Celsius and ambient -15 to 43 degrees Celsius.
3. Size on capacity at the design point, not on the nominal maximum. Read the mid band figure first.
4. Confirm drive compatibility. This is an inverter compressor, so the drive and control logic must be matched to it.
5. Verify connection sizes against the installed pipework, 12.7 mm suction and 9.52 mm liquid line at unit side in the published design.
6. Check the mechanical envelope: height class 280 mm, package 25 x 25 x 40 cm, net weight 15 kg.
7. Request the GMCC datasheet or test report for the exact model string, plus the certificate set you need for your market.
8. Confirm warranty and documentation terms in writing, including the test report status.

Frequently asked questions

Is the GMCC EAPN150D33UFZ3 an inverter compressor?

Yes. The D in the model string marks DC inverter drive, and the model is sold as a DC inverter rotary compressor. That means its speed is controlled by an external drive rather than fixed by the mains frequency, so the compressor modulates capacity with load instead of starting and stopping.

What refrigerant does the EAPN150D33UFZ3 use?

It uses R410A. Both the supplier listing for the model and the published datasheet of a condensing unit built around it specify R410A. R410A is a high pressure blend, so the system must be designed and serviced with R410A equipment and cannot be charged with R22 or R32. R410A is also an HFC blend, so within the European Union its supply is governed by Regulation (EU) 2024/573 on fluorinated greenhouse gases. Buyers specifying equipment for EU placement should check the current phase-down schedule before committing to an R410A design.

What is the displacement of the EAPN150D33UFZ3?

GMCC has not published a displacement figure for this exact model string in the catalogue editions reviewed here. The nearest documented model, EAPN150D30UFZ, is rated at 14.9 cm³/rev, and both models share the 150 displacement block. Confirm the exact figure with a GMCC datasheet before using displacement in a design calculation.

Can the EAPN150D33UFZ3 replace or interchange with other GMCC models?

It is grouped commercially with EAPN150D30UFZ and EAPN150D42UFZ and shares a displacement block with them, so they are the closest candidates for interchange. Interchange still requires matching the drive, the connection sizes, the mounting dimensions and the refrigerant charge. A compressor of the same family is not automatically a drop in replacement.

What ambient temperature range can the EAPN150D33UFZ3 operate in?

Published condensing unit data gives an ambient range of -15 to 43 degrees Celsius and an evaporating temperature range of -38 to 15 degrees Celsius. Confirm the figures against your own design condition, because the limits belong to the unit design that used the compressor, not to the bare compressor on its own.

Is the EAPN150D33UFZ3 suitable for heat pump applications?

It is a vapor injection compressor, which is the technology used to protect heating capacity in cold weather, and GMCC files the R410A vapor injection family under heat pump and refrigeration headings. Published figures for the family claim an 85% heating capacity improvement at -15 degrees Celsius ambient. Heat pump deployment is expanding globally: the IEA estimates that heat pumps could cut global carbon dioxide emissions by at least 500 million tonnes in 2030, as set out in The Future of Heat Pumps.

Data sources and verification notes

1. GMCC Emerging Markets Rotary Compressor Catalogue (PDF, printed February 2022). Used for the model naming legend and the R410A enhanced vapor injection family table. Primary source. Current editions are published on the GMCC official downloads page.
2. GMCC Rotary Compressor Catalogue (PDF, 2024 edition). Used for the enhanced vapor injection product line description and the energy efficiency and noise figures. Primary source.
3. ECOLDA R410A inverter condensing unit, model ECBZA20EL. Used for the only exact model level operating data found: speed range, temperature envelope and capacity and power at three frequencies. Equipment manufacturer datasheet.
4. Alibaba.com supplier listing covering EAPN150D30UFZ, EAPN150D33UFZ3 and EAPN150D42UFZ. Used for physical data, packaging and the rated capacity and power figures. Marketplace source, treated as weak and flagged wherever used.
5. Alibaba.com second supplier listing grouping the same models with EAPQ420D1UMUA and EAPQ580D66UNT. Used only to corroborate that the model is traded. Marketplace source.
6. GMCC Welling official video showcase referencing the model. Used only to corroborate that the model exists in GMCC's own communication.
7. Applicable standards. IEC 60335-2-34:2024 covers the safety of sealed motor-compressors, and ISO 5149-1:2014 covers refrigerating system safety and environmental requirements. Both are cited as the standards that apply to equipment of this class. Neither is a certification held by this model, and no certificate is claimed here.
8. Regulatory sources. Regulation (EU) 2024/573 on fluorinated greenhouse gases, Directive 2011/65/EU on hazardous substances, and The Future of Heat Pumps from the IEA. Used only for refrigerant, compliance and heat pump market context.

Explicitly not verified. The displacement of EAPN150D33UFZ3, its COP, its rated capacity under a stated test condition, and the reading of the trailing 3 in the model string are all unconfirmed. Do not publish those values as fact. Where a figure for the companion model EAPN150D30UFZ appears in this guide, it is labelled as the companion model.