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Liebert PEX3 DX Series
Vertiv Liebert PEX3 DX Series User Manual
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Liebert
® PEX3
TM
D
X Series
User Manual
Pr
ecision Air C
onditioning
2
Table of Contents
default chapter
6
Table of Contents
6
Chapter 1: Product Overview
12
Product Introduction
12
Model Description
13
Model Nomenclature
14
Components of PEX3 Model
15
Indoor Unit Parts
16
9-Inch Color Display
18
Condenser
19
Remote Monitoring Software
19
Optional Components
19
Electrode Humidifier
19
2-Stage Electrical Heating
19
Dual Power Supply- ATS
19
Dual Power Supply- Parallel
19
Plenum Configuration
20
Dual Power (Interlocked Contactors)
20
Large & Small Display
20
IS-UNITY-DP Card Assembly
20
Smoke Detectors
21
Fire Detectors
21
Supply Air Pressure Sensor
21
Supply Air Temperature Sensor
21
Refrigerant Requirement
21
Charging Refrigerant
22
Storage & Operating Environment Requirements
23
Chapter 2: Installation
24
Pre-Installation
24
Transportation & Movement
24
Unpacking
25
Inspection
27
Installation Preparation (Site Preparation)
27
Equipment Room Requirements
27
Installation Space Requirements
28
Maintenance Space Requirement
29
Installation Tools
31
System Arrangement During Installation
32
System Installation Mode
35
Mechanical Installation
38
Indoor Unit Size and Weight (Product Dimension)
38
Plenum Dimensions (for Upflow Unit)
40
Dimension and Weight of Condenser
40
Base Plate Cut-Out Position and Dimension
40
Position and Dimension of Air Outlet on Top Cover
46
Indoor Installation
47
Installing Floor Stand
49
Installation of Indoor Unit
49
Pipe Installation Unit (Air-Cooled Units)
50
Infrared Humidification Inlet Pipe Connection
51
Connection of Copper Pipe (Discharge and Liquid Pipe) between
52
Indoor and Outdoor Unit
52
Height Difference Requirements and Equivalent Length Calculation
54
Pipe Installation Unit (Water-Cooled Unit)
55
Connection between Water Inlet and Outlet Pipe of Cooling Water
55
Lowering the Fan
57
Removing Transportation Fixing Plate of the Compressor
60
Removing of Fasteners of Infrared Humidifier
60
Removing Pipe Fasteners
61
Installation Inspection
61
Electrical Installation
62
Installation Precautions
62
Wiring of Indoor Unit
62
Connecting Control Cables
66
Connecting Water-Under-Floor Sensor
67
Remote Shutdown Control Line Connection
67
Customized Alarm Terminal
67
External General Alarm
67
Condenser Wiring
68
Check the Installation
69
Chapter 3: Touchscreen Operation
70
Touchscreen Display and User Interface
70
Touchscreen Status Dial
72
Dial Background-Color Status Indication
72
Control Header
74
Powering-On Icom and Logging-In/ Unlocking Controls
74
Powering-On the Thermal Management Unit
74
Powering-Off the Thermal Management Unit
76
Logging out
76
Setting the Date and Time
77
Searching
77
Using Context-Sensitive Help
78
About Icom Version
78
Accessing the User and Service Functions
78
User Menu
78
Service Menu
79
Advanced Menu
80
User Operation
81
Editing Humidity Setpoints
81
Editing Temperature Setpoints
81
Viewing Unit Alarms
82
Silencing an Audible Alarm
82
Acknowledging Alarms
82
Viewing the Event Log
83
Viewing Sensor Data
84
Managing Run Hours for a Component
84
Setting Run Hours to Zero
84
Viewing Teamwork, Stand-By, Cascade and Operating Status
85
Chapter 4: Icom Controller Operation
86
LCD Screen
86
Button and Indicator Panel
86
Structure Chart of Control Menu
88
Start-Up Interface
89
Main Interface
89
User Menus
90
Password
91
Setpoints
91
Event Log
92
Graphics
92
Set Alarms
93
Display Setup
94
Total Run Hrs
95
Sleep Mode
97
Service Info
97
Active Alarms
97
Chapter 5: Application of INTELLI SLOT
98
Introduction of Host Communication Card
98
Commissioning Host Communication Component
99
Assigning the Card's IP Address
99
Connect an Ethernet Cable
100
Connect a RS-485 Serial Cable
101
Chapter 6: System Operation and Maintenance
102
Routine Maintenance Inspection Items (Monthly)
102
Routine Maintenance Inspection Items (Semi-Annual)
103
Self-Diagnostic System
104
Check the Electrical Connections and Maintenance
104
Appearance Inspection and Maintenance of Controller Components
105
Air-Cooled Condenser Maintenance Guide
106
Water-Cooled Condenser Maintenance Guide
106
Filter Maintenance Guide
107
Infrared Humidifier Maintenance Guide
108
Electric Heater Maintenance Guide
108
Chapter 7: Diagnosis and Maintenance
110
Fault Diagnosis and Treatment of Fans
110
Fault Diagnosis and Treatment of Infrared Humidifier
111
Infrared Humidifier Troubleshooting
111
High-Temp Switch
112
Compressor and Refrigeration System - Fault Diagnosis and Treatment
112
Heating System - Fault Diagnosis and Treatment
116
Appendix I: Wiring Diagram Infrared Humidifier (for Air-Cooled)
117
Appendix II: Wiring Diagram Infrared Humidifier (for Water-Cooled)
118
Appendix III: Circuit Diagram Dual Power
119
Appendix IV: Menu Structure of Icom Controller (Users Menus)
120
Appendix V: Table Names and Content of Harmful
121
Substances in Products
121
Appendix VI: Routine Maintenance Inspection Items
122
(Monthly)
122
Appendix VII: Routine Maintenance Inspection Items
122
(Semi-Annual)
123
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Vertiv Liebert PEX3 DX Series Specifications
General
Brand
Vertiv
Model
Liebert PEX3 DX Series
Category
Air Conditioner
Language
English
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