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CR020
Liebert CR020 Manuals
Manuals and User Guides for Liebert CR020. We have
1
Liebert CR020 manual available for free PDF download: User Manual
Liebert CR020 User Manual (79 pages)
CRV Series
Brand:
Liebert
| Category:
Air Conditioner
| Size: 8 MB
Table of Contents
Important Safety Instructions
3
Table of Contents
7
Chapter 1 Preliminary Operations
11
Inspection
11
Handling
11
Operating Limits
12
Noise Level Limits
14
Product Description
14
Chapter 2 Unit Positioning
18
Chapter 3 Unpacking and Installation
23
Reference Guide for Receiving, Unpacking, and Preparing for Installation
23
Equipment Inspection
23
Packing Material
23
Recommended Unit Handling Equipment
23
Handling the Unit While Packaged
24
Unpacking the Unit
24
Installation
26
Chapter 4 Refrigeration Connections
29
Refrigeration Pipeline Connections for Air-Cooled (A) Units
29
General Layout
29
Pipe Diameter and Thickness
30
Installing Pipelines
31
Vacuum Creation and Refrigerant Charge
32
R410A Precharge for Air-Cooled (A) Units
33
Refrigerant Charge for Air-Cooled (A) Units
34
Refrigeration Circuits
34
Chapter 5 Water Connections
35
General Warning
35
Water Connections - Supply Humidifier and Drain Water (All Units)
36
Chilled Water Connections for Water/Glycol-Cooled (W) Units
37
Notes for Open Circuit Applications
37
Notes for Closed Circuit Applications
37
Chilled Water Connections for Chilled Water (C) Units
38
Chapter 6 Electrical Connections
40
Cable Entry Ports, Routing Cables and Connection Procedures
40
Protective Features of EC Fans
41
Protective Features of Electrical Heaters
42
Temperature Probes Placed on Racks
42
Chapter 7 Start-Up
45
First Start-Up (or after Long Standstill)
45
Automatic Restart
46
Checking the Refrigeration Piping Pressure Drops
46
Chilled Water Valve of Chilled Water (C) Units
46
Chapter 8 Operation
48
Chapter 9 Calibrations & Regulation (at Start-Up)
49
Setting Thermostatic Expansion Valve
49
Water Leakage Sensor
49
Environment Protection
49
Chapter 10 Maintenance & Spare Parts
50
Safety Instructions
50
Spare Parts
50
Maintenance Schedule
50
Air Filter Check or Substitution
51
Condensate Drain and Condensate Pump Systems
53
Condensate Drain
53
Condensate Pump
53
Air-Cooled Condenser and Drycoolers
53
Electrical Heaters
53
Refrigeration Circuit
53
Refrigerant Charge of the Water-Cooled Units
54
Oil Charge R410A
54
Oil Topping-Up of an Installed Circuit
54
Dismantling the Unit
54
Regulation (EC) No. 842/2006 (F-Gas)
55
Unit Diagnostic
56
Appendix 1 Humidair Humidifier
57
Preface
57
Installation
57
Humidifier Components
59
Start-Up and Operation
59
Start-Up
59
Operation
59
Maintenance
60
Removing the Steam Cylinder
60
Replacing the Steam Cylinder
60
Annual Maintenance
60
Replacing Humidifier Spare Parts
61
Appendix 2 Technical Data Tables
62
Appendix 3 Installation Drawing
65
Appendix 4 Refrigerant, Hydraulic and Electrical Connections
69
Appendix 5 Refrigeration & Hydraulic Circuits
74
Appendix 6 Wiring Diagram
77
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