Copeland ZR11M3E-TWD-961 Scroll Compressor – 9 HP / 89,500 BTU, R22-R407C (Service Version, IP54)

The Copeland ZR series ZR11M3E-TWD-961 is a 9 HP hermetic scroll compressor manufactured for air conditioning and process cooling systems. It is listed as Copeland's BOM 961 service (replacement) version; this version is prepared to replace the other configurations of the series and comes with an IP54-rated electrical box.

9 HP, 89,500 BTU Capacity AC Scroll Compressor

It operates on a 380-420 V / 3 phase / 50 Hz supply (TWD supply code) and is used with an external motor protection module. Thanks to its polyolester (POE) oil charge, it is compatible with chlorine-free refrigerants such as R407C as well as R22.

Key Technical Specifications and Equipment

• Brand / Model: Copeland ZR11M3E-TWD-961
• Nominal Capacity: 9 HP / 89,500 BTU/h (26,230 W) — R22, AHRI conditions: evaporating 7.2 °C, condensing 54.4 °C
• Power Input: 7,950 W
• Rated Current: 14.4 A — Starting Current (LRA): 123 A
• Efficiency: COP 3.30 W/W — EER 11.3 Btu/Wh
• Displacement: 144.0 cm³/rev (≈ 25.1 m³/h, 2,900 rpm)
• Refrigerant: R22 / R407C
• Oil: 4.14 L Polyolester (POE)
• Power Supply: 380-420 V / 3~ / 50 Hz (TWD)
• Connection: Rotalock — Rotalock/solder adapter kit supplied with the product
• Motor Protection: Kriwan 24 VAC external protection module (supplied with the product, not fitted)
• Oil Sight Glass: Yes (1" 3/4 UNF)
• Electrical Box Protection Class: IP54
• Net Weight: 96.2 kg
• Sound Power Level: 78 dBA

Technical data are taken from the 50 Hz R22 table of the Copeland air conditioning scroll compressors catalog (09/2023). On a 60 Hz supply, the same model delivers a capacity of 108,000 BTU/h (31,652 W).