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Liebert
Air Conditioner
DM Series
Liebert DM Series User Manual
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Ne
w Liebe
rt_D
M Serie
s A
ir Co
ndit
ion
er
User Manual
Version
V1.
0
Revision dat
e
April
28
, 201
3
BOM
3101
2
860
Emerson N
etwork
Power pr
ovides
customer
s w
ith technic
al supp
ort. U
sers may c
ontact
the neares
t Emers
on l
ocal sales
offic
e or serv
ice cent
er.
Cop
yri
ght ©
20
13
by Emerso
n Networ
k Power
Co., Ltd.
All ri
ghts res
erved. Th
e content
s in this
documen
t are subj
ect t
o chang
e without
notice
.
Emerson N
etwork
Power C
o., Ltd.
Address
:
No.1 Ke
fa Rd., Sci
ence &
Industry
Park, Nansh
an District
518057, She
nzhen
China
Homepag
e
:
www
.emersonnetw
orkpow
er.com
.cn
E-
mail
:
support@e
mersonn
etwork
.com.cn
1
3
Table of Contents
Default Chapter
4
Table of Contents
4
Chapter 1 Overview
8
Model Description
8
Product Introduction
8
Basic Performance Parameters
8
Main Components
9
Indoor Unit
9
Outdoor Unit
9
Options
10
Humidifier
10
Heater
10
Remote Monitor
10
Energy-Saving Card
10
Power SPD
10
Ambient Requirements
10
Operation Environment
10
Storage Environment
11
Refrigerant Charging Requirement
11
Chapter 2 Mechanical Installation
12
Unpacking and Inspection
12
Installation Notes
12
System Installation Arrangement
12
General Arrangement
12
System Installation Illustration
13
Mechanical Parameters
14
Installing Indoor Unit
15
Equipment Room Requirements
15
Installation Location Requirements
15
Installation Procedure
16
Installing Outdoor Unit
17
Installation Notes
17
Installation Procedure
17
Piping for AC Unit
18
General Principles
18
Installation Notes of Connector
19
Required Pipe Connections
19
Connecting Refrigerant Pipe
19
Connecting Drain Pipe of Indoor Unit
21
Connecting Humidifier Water Supply Pipe (if Applicable)
21
Removing Transportation Fastener and Vibration Absorber
22
Adding Refrigerant for Long Pipe System
22
Check List
23
Chapter 3 Electrical Installation
24
Task Introduction
24
Notes
24
Connecting Power Cable of Indoor Unit
24
Connecting Power Cable of Outdoor Unit
26
Connecting Control Cable
26
Connecting Control Terminals
26
Connecting Monitoring Port Cable
28
Connecting Energy-Saving Card
28
Check List
30
Chapter 4 System Testing
31
Start-Up Inspection
31
Function Testing
31
Cooling
31
Heating
31
Humidifying
32
Dehumidifying
32
Checking Refrigerant Charge Capacity of Lee-Temp Outdoor Unit
32
Chapter 5 Micro-Processing Controller
33
Feature
33
Appearance
33
LCD Screen
33
Control Buttons
34
Function Description
34
Operation Example
34
Control Screen
35
ON Screen
35
Normal Screen
35
Password Screen
35
Menu Structure
36
Main Menu
36
Alarm Menu
36
Set Points
38
System Status
38
System Menu
39
Help Menu
41
Display Set
41
Chapter 6 System Maintenance
42
Electric Inspection
42
Indoor Unit Maintenance
42
Filter
42
Fan
43
Drain Pipe
44
Heater
44
Humidifier
44
Power SPD
46
Thermal Expansion Valve
46
High-Pressure Switch and Low-Pressure Switch
47
Compressor
47
Outdoor Unit Maintenance
48
Refrigeration System
48
Air-Cooled Condenser
48
Low-Temperature Unit of Lee-Temp Outdoor Unit
48
Maintenance Inspection Checklist
49
Chapter 7 Troubleshooting
50
Appendix 1 Menu Structure
51
Appendix 2 Parameter Setting Table
52
Appendix 3 RDU-Cooling Air-Conditioner Single-Unit Manager Software Introduction
54
4
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Liebert DM Series Specifications
General
Brand
Liebert
Model
DM Series
Category
Air Conditioner
Language
English
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