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Liebert DM Series
Vertiv Liebert DM Series User Manual
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Liebert
® DM
User Manual
Pr
ecision Air Conditioning
2
Table of Contents
Default Chapter
6
Table of Contents
6
Chapter 1: Overview
11
Product Introduction
11
Indoor Unit
11
Outdoor Unit
12
Model Description
14
Basic Performance Parameters
15
Main Components
15
Indoor Unit
15
Outdoor Unit
19
Optional Components
20
Infrared Humidifier
20
Electrical Heating
21
Communication Protocol
21
Monitoring
21
Energy-Saving Card
22
Power SPD
22
Floor Leak Detection Sensor
22
Installation Accessories
22
Environmental Conditions Requirements
23
Operating Environment Requirements
23
Storage Environment Requirements
24
Refrigerant Charging Requirement
24
Chapter 2: Mechanical Installation
25
Unpacking and Inspection
25
Installation Notes
25
System Installation Arrangement
25
System Arrangement During Installation
25
System Installation Mode
27
Mechanical Installation
29
Dimension and Weight of the Indoor Unit (Product Dimension)
29
Dimension and Weight of the Outdoor Unit
31
Installing Indoor Unit
32
Equipment Room Requirements
32
Installation Space Requirements
33
Installation Procedure
34
Installing Outdoor Unit
35
Installation Notes
35
Installation Procedure
36
Refrigeration Piping Connection General Principles
39
Quick Thread Connector Installation Notes
40
Piping Connection Requirements
40
Connecting Refrigerant Piping
41
Pipe Connector Position
43
Connecting Drain Piping of Indoor Unit
49
Humidifier and Water Supply Piping Connection (if Applicable)
50
Removing Transport Fasteners and Shock Absorbers
50
Charging Refrigerant
51
Base Charging of Refrigerant
51
Adding Refrigerant for Long Piping System
52
Long Connecting Pipe System with Lubricant Oil (RL32-3MAF)
53
Installation Inspection
54
Chapter 3: Electrical Installation
55
Task Introduction
55
Cables to Connect On-Site
55
Installation Notes
55
Indoor Unit Power Cable Connection
56
Connecting Power Cable of Outdoor Unit
60
Control Cable Connections
62
Connecting Control Terminal
62
The Outdoor Unit Signal Cable Connection (for 22 Kw/27 Kw)
68
Connecting the Monitoring Interface Cable
68
Energy-Saving Card Connection
69
Notes on Installing and Using the Energy-Saving Card
70
Electrical Installation Inspection
71
Chapter 4: Start-Up Commissioning
72
Start-Up Inspection
72
Function Testing
73
Cooling
73
Heating
74
Humidifying
74
Dehumidifying
74
Chapter 5: Microprocessor Controller
75
Features
75
Appearance
75
Control Interface
76
Color Screen Main Interface
76
Password Screen
80
Menu Structure
81
Main Menu
81
Run Information
82
Temp/Hum Setting
83
Alarm Information
84
Parameter Settings
85
Temperature and Humidity Graph
90
About
90
Chapter 6: Outdoor Fan Speed Controller (Only for 22 Kw/27 Kw)
92
Cabling of the Terminals
92
Human-Machine Interface
94
Human-Machine Interface Operation Instructions
95
Power-On Initial Interface
95
Main Menu Interface
96
Chapter 7: System Operation and Maintenance
99
Electrical Inspection
99
Indoor Unit Maintenance
100
Filter
100
Fan
103
Drain Pipe
103
Electrical Heater
103
Infrared Humidifier
104
Power SPD (Optional)
105
Thermal Expansion Valve (TXV)
107
High-Pressure Switch and Low-Pressure Switch
107
Compressor
107
Outdoor Unit Maintenance
109
Refrigeration System
109
Air-Cooled Condenser
109
Monthly Routine Maintenance
110
Routine Maintenance and Inspection (Semi-Annually)
111
Chapter 8: Troubleshooting
112
Appendix I: Circuit Diagram of Indoor Unit
119
Appendix II: Circuit Diagram of Outdoor Unit
125
Appendix III: Menu Structure of Controller
126
Appendix IV: Parameter Setting Tables
127
Appendix V: Routine Maintenance Inspection Items (Monthly)
130
Appendix VI: Routine Maintenance Inspection Items (Semi-Annually)
131
Appendix VII: Table Names and Content of Harmful Substances in Products
132
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Vertiv Liebert DM Series Specifications
General
Brand
Vertiv
Model
Liebert DM Series
Category
Air Conditioner
Language
English
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