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Related Manuals for Emerson PMX Series
Summary of Contents for Emerson PMX Series
- Page 1 PMX Condensing Unit User Manual...
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Page 2: Table Of Contents
Table of Contents Contents Page Introduction, Scope, Disclaimer Safety Information Unit Models Features & Benefits CDU Layout Scope of Supply Electrical Connections CDU Performance/Technical Data Installation & Start-up Commissioning Report About Emerson... - Page 3 Scope of supply – Check page number 8 of this manual for detailed scope of supply. Disclaimer Thank you for purchasing the Emerson™ PMX Condensing Unit. We hope that this product meets your intended refrigeration requirement. Please read through this operation manual to familiarize yourself with the installation, commissioning and operation of this product.
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Page 4: Safety Information
Safety Information Installation and commissioning work on CDU shall be carried out only by qualified, refrigeration personnel who have been trained and instructed. PMX condensing unit is manufactured according to the latest safety standards. Emphasis has been placed on the user’s safety. For relevant standards please refer to the manufacturer’s declaration, available on request. - Page 5 General Instructions Safety Refrigerants/Lubricant Please use correct refrigerant as designed to work in safe operating envelope. Compressor is supplied with an initial oil charge. The standard oil charge for use with HFC refrigerant is polyol ester (POE) lubricant Emkarate RL 32 3MAF.
- Page 6 Models: CDU Model Compressor Model Power Supply PMX1A-ZB21-TF5-1 ZB21KQE-TF5 220-240 V / 3~ / 60 Hz 380-420 V / 3~ / 60 Hz PMX1A-ZB21-TF7-1 ZB21KQE-TF7 PMX2A-ZB45-TF5-1 ZB45KQE-TF5 220-240 V / 3~ / 60 Hz PMX2A-ZB45-TF7-1 ZB45KQE-TF7 380-420 V / 3~ / 60 Hz PMX1A-ZB26-TFM-1 ZB26KQE-TFD 380-420 V / 3~ / 50 Hz...
- Page 7 Physical Layout of the Unit: Item Description Scroll Compressor Liquid Receiver LP Cut-out Condenser Filter Drier Hermetic Moisture Indicator Power Contactor...
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Page 8: Scope Of Supply
Scope of supply: PMX1A-ZB21-TF5/TF7 CDU Model PMX1A-ZB26-TFM-1 PMX2A-ZB45-TF5/TF7 PMX2A-ZB38/48-TFM-1 Liquid Line Filter Dryer Sight Glass Adjustable LP Switch Thermal Overload Relay Power Contactor Electrical Connections:... -
Page 10: Cdu Performance/Technical Data
CDU Performance/Technical Data Condensing Unit: PMX1A-ZB21-TF7-1 Compressor: ZB21KQE-TF7 Refrigerant: R404A Dew Point Power Supply 380-420 V / 3~ / 60 Hz *R404A, Evaporating -10°C, Ambient 46°C, Suction Gas Return 20°C, Subcooling 0K... - Page 11 Condensing Unit: PMX2A-ZB45-TF7-1 Compressor: ZB45KQE-TF7 Refrigerant: R404A Dew Point Power Supply 380-420 V / 3~ / 60 Hz *R404A, Evaporating -10°C, Ambient 46°C, Suction Gas Return 20°C, Subcooling 0K...
- Page 12 Condensing Unit: PMX1A-ZB21-TF5-1 Compressor: ZB21KQE-TF5 Refrigerant: R404A Dew Point Power Supply 220-230 V / 3~ / 60 Hz *R404A, Evaporating -10°C, Ambient 46°C, Suction Gas Return 20°C, Subcooling 0K...
- Page 13 Condensing Unit: PMX2A-ZB45-TF5-1 Compressor: ZB45KQE-TF5 Refrigerant: R404A Dew Point Power Supply 220-230 V / 3~ / 60 Hz *R404A, Evaporating -10°C, Ambient 46°C, Suction Gas Return 20°C, Subcooling 0K...
- Page 14 Condensing Unit: PMX1A-ZB26-TFM-1 Compressor: ZB26KQE-TFD Refrigerant: R404A Dew Point Power Supply 380-420 V / 3~ / 60 Hz *R404A, Evaporating -10°C, Ambient 46°C, Suction Gas Return 20°C, Subcooling 0K...
- Page 15 Condensing Unit: PMX2A-ZB38-TFM-1 Compressor: ZB38KQE-TFD Refrigerant: R404A Dew Point Power Supply 380-420 V / 3~ / 60 Hz *R404A, Evaporating -10°C, Ambient 46°C, Suction Gas Return 20°C, Subcooling 0K...
- Page 16 Condensing Unit: PMX2A-ZB38-TFM-1 Compressor: ZB38KQE-TFD Refrigerant: R134a Power Supply 380-420 V / 3~ / 60 Hz *R134a, Evaporating -10°C, Ambient 46°C, Suction Gas Return 20°C, Subcooling 0K...
- Page 17 Condensing Unit: PMX2A-ZB48-TFM-1 Compressor: ZB48KQE-TFM Refrigerant: R404A Dew Point Power Supply 380-420 V / 3~ / 50 Hz *R404A, Evaporating -10°C, Ambient 46°C, Suction Gas Return 20°C, Subcooling 0K...
- Page 22 Note any shortages or damage on delivery receipt (specify the extent and type of damage found). Unit should be inspected carefully for concealed damage. Notify Emerson sales/application personnel of the damage immediately. Request an immediate joint inspection and do not repair the unit until inspected by Emerson’s representative.
- Page 23 Refrigeration Piping Installation All interconnecting pipes should be of refrigeration grade, clean, dehydrated and must remain capped at both ends until installation. Even during installation, if the system is left for any reasonable period (say two hours), pipes should be re- capped to prevent moisture and contaminants from entering the system.
- Page 24 The pipe should be sized to ensure optimum performance and proper oil return. The sizing must also consider the full capacity range through which this particular unit will need to operate. Pipe runs should be kept as short as possible, using the minimum number of directional changes.
- Page 25 Remove the liquid line connection cap. Then remove the suction connection cap. Open both valves midway. Care should be taken to avoid the holding charge from releasing too quickly. Be sure tube fitting inner diameter and tube outer diameter are clean prior to assembly.
- Page 26 • Shut off the main vacuum pump valve. Check for vacuum rise using the manifold compound gauge. A rise would indicate a large leak. • If vacuum holds for 10 minutes, break vacuum with nitrogen and pressurize to 20 bar. Check for leaks and repair leakage.
- Page 27 Evacuation After the system is leak checked, connect approved dual stage vacuum pump sized to application with fresh oil to evacuation valve. Ensure all inline system shut-off valves and solenoid valves are fully open. Evacuate the system to 300 microns. A triple evacuation is recommended.
- Page 28 Maintenance Condenser Fins Condenser fins become dirty over time as ambient air is induced to the condenser. Dirty coil surfaces result in high condensing temperatures and poor unit performance. Regular cleaning is recommended with frequency depending on the installation and the surrounding environment. As a general guide, it is advisable to do this at least once every two months.
- Page 29 System Start-Up and Operational Check Sheet Prepared by: ___________________ Confirmed by: __________________ Date: _________________________ Date: __________________________...
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Page 30: About Emerson
About Emerson Emerson (NYSE: EMR), headquartered in St. Louis, Missouri (USA), is a global technology and engineering company providing innovative solutions for customers in industrial, commercial, and residential markets. Emerson Commercial and Residential Solutions business helps ensure human comfort and health, protect food quality and safety, advance energy efficiency, and create sustainable infrastructure.
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