Vertiv | Liebert PEX4 | User Manual i
Table of Contents
Table of Contents
Chapter 1: Product Overview................................................................................................................................................................................1
1.1. Product Introduction ................................................................................................................................................................................................1
1.2. Model Description ....................................................................................................................................................................................................2
1.4. Components of PEX4 Model ........................................................................................................................................................................4
1.4.1. Cabinet ..................................................................................................................................................................................................................4
1.4.2. Air Filter ................................................................................................................................................................................................................ 4
1.4.3. EC Fans ................................................................................................................................................................................................................. 4
1.4.4. Inverter Scroll Compressor ................................................................................................................................................................4
1.4.5. Oil Return Arrangement ....................................................................................................................................................................... 5
1.4.6. EMI Filter .............................................................................................................................................................................................................. 5
1.4.7. Refrigeration Circuit .................................................................................................................................................................................. 5
1.4.8. Electronic Expansion Valve (EEV) ............................................................................................................................................. 6
1.4.9. Evaporator Coil ..............................................................................................................................................................................................6
1.4.10. Dehumidication- EC Fan .................................................................................................................................................................7
1.4.11. Remote Air-Cooled Condenser .....................................................................................................................................................7
1.4.12. Water-Under-Floor Sensor................................................................................................................................................................7
1.4.13. Controller ............................................................................................................................................................................................................7
1.4.14. Color Display and HMI Features .................................................................................................................................................7
1.4.15. Monitoring .........................................................................................................................................................................................................7
1.5. Additional Features .................................................................................................................................................................................................8
1.5.1. Humidier ........................................................................................................................................................................................................... 8
1.5.2. Electrical Heating........................................................................................................................................................................................9
1.5.3. Upow Plenum .............................................................................................................................................................................................10
1.5.4. Long Piping Kit (Air Cooled System) ....................................................................................................................................10
1.5.5. Smoke Detectors .......................................................................................................................................................................................10