Liebert CR020 User Manual

Chapter 7 Start-Up ............................................................................................................................................................ 35
7.1 First Start-Up (Or After Long Standstill) .............................................................................................................. 35
7.2 Automatic Restart ............................................................................................................................................... 36
7.3 Checking The Refrigeration Piping Pressure Drops ............................................................................................ 36
7.4 Chilled Water Valve Of Chilled Water (C) Units .................................................................................................. 36
Chapter 8 Operation .......................................................................................................................................................... 38
Chapter 9 Calibrations & Regulation (At Start-Up) ............................................................................................................ 39
9.1 Setting Thermostatic Expansion Valve ............................................................................................................... 39
9.2 Water Leakage Sensor ....................................................................................................................................... 39
9.3 Environment Protection ....................................................................................................................................... 39
Chapter 10 Maintenance & Spare Parts ............................................................................................................................ 40
10.1 Safety Instructions ............................................................................................................................................ 40
10.2 Spare Parts ....................................................................................................................................................... 40
10.3 Maintenance Schedule ..................................................................................................................................... 40
10.4 Air Filter Check Or Substitution ......................................................................................................................... 41
10.5 Condensate Drain And Condensate Pump Systems ........................................................................................ 43
10.5.1 Condensate Drain .................................................................................................................................. 43
10.5.2 Condensate Pump ................................................................................................................................. 43
10.6 Air-Cooled Condenser And Drycoolers ............................................................................................................. 43
10.7 Electrical Heaters .............................................................................................................................................. 43
10.8 Refrigeration Circuit .......................................................................................................................................... 43
10.8.1 Refrigerant Charge Of The Water-Cooled Units .................................................................................... 44
10.8.2 Oil Charge R410A ................................................................................................................................. 44
10.8.3 Oil Topping-Up Of An Installed Circuit ................................................................................................... 44
10.9 Dismantling The Unit ......................................................................................................................................... 44
10.10 Regulation (EC) No. 842/2006 (F-Gas) ........................................................................................................... 45
10.11 Unit Diagnostic ................................................................................................................................................ 46
Appendix 1 Humidair Humidifier ........................................................................................................................................ 47
1. Preface ................................................................................................................................................................. 47
2. Installation ............................................................................................................................................................. 47
3. Humidifier Components ........................................................................................................................................ 49
4. Start-Up And Operation ........................................................................................................................................ 49
4.1 Start-Up ...................................................................................................................................................... 49
4.2 Operation .................................................................................................................................................... 49
5. Maintenance ......................................................................................................................................................... 50
5.1 Removing The Steam Cylinder ................................................................................................................... 50
5.2 Replacing The Steam Cylinder ................................................................................................................... 50
5.3 Annual Maintenance ................................................................................................................................... 50
6. Replacing Humidifier Spare Parts ......................................................................................................................... 51

Liebert CR020 Specifications

General

Brand	Liebert
Model	CR020
Category	Air Conditioner
Language	English