Vertiv Liebert PEX4 Series User Manual

Vertiv | Liebert PEX4 | User Manual iii
Table of Contents
2.5.1. Condensate Drain Piping Connection of the Indoor Unit .................................................................................33
2.5.2. Humidication Inlet Pipe Connection ................................................................................................................................. 33
2.6. Refrigerant Piping Connection .................................................................................................................................................................35
2.6.1. Refrigerant Piping Connection General Principle .....................................................................................................36
2.6.2. Refrigerant Requirement ................................................................................................................................................................38
2.6.3. Copper Pipe Brazing Requirements ......................................................................................................................................39
2.7. Lowering the Fan ....................................................................................................................................................................................................41
2.7.1. Removing Transportation Fixing Plate of Compressor ........................................................................................44
2.7.2. Removing of Fasteners of Infrared Humidier ............................................................................................................45
2.7.3. Removing of Fasteners from Electrode Humidier ................................................................................................45
2.7.4. Removing Pipe Fasteners ................................................................................................................................................................47
2.7.5. Installation Inspection ........................................................................................................................................................................47
2.8. Electrical Installation ......................................................................................................................................................................................... 48
2.8.1. Installation Notes ......................................................................................................................................................................................48
2.8.2. Wiring of Indoor Unit............................................................................................................................................................................48
2.8.3. Connecting Control Cables ..........................................................................................................................................................50
2.8.4. Connecting Water-Under-Floor Sensor ............................................................................................................................. 51
2.8.5. Remote Shutdown .................................................................................................................................................................................51
2.8.6. Customized Alarm Terminal ........................................................................................................................................................52
2.8.7. External General Alarm ....................................................................................................................................................................52
2.8.8. Connecting Solenoid Valve of Pipe Extension Kit (Optional)......................................................................52
2.8.9. Wiring of Condenser .............................................................................................................................................................................53
2.8.10. Connecting Power Cables of Condenser ......................................................................................................................53
2.8.11. Electrical Installation Inspection .............................................................................................................................................55

Vertiv Liebert PEX4 Series Specifications

General

Brand	Vertiv
Model	Liebert PEX4 Series
Category	Air Conditioner
Language	English