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Liebert PEX4 Series
Vertiv Liebert PEX4 Series User Manual
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V
ertiv | Liebert PEX4 | User Manual
59
Controller Operating Instruction
Figure 3-3 Color Display Screen – L
ocked
Figure 3-4 Color Display Screen – Unlocked
68
70
Table of Contents
Default Chapter
6
Table of Contents
6
Chapter 1: Product Overview
11
Product Introduction
11
Model Description
12
Components of PEX4 Model
14
Cabinet
14
Air Filter
14
EC Fans
14
Inverter Scroll Compressor
14
Oil Return Arrangement
15
EMI Filter
15
Refrigeration Circuit
15
Electronic Expansion Valve (EEV)
16
Evaporator Coil
16
Dehumidification- EC Fan
17
Remote Air-Cooled Condenser
17
Water-Under-Floor Sensor
17
Controller
17
Color Display and HMI Features
17
Monitoring
17
Additional Features
18
Humidifier
18
Electrical Heating
19
Upflow Plenum
20
Long Piping Kit (Air Cooled System)
20
Smoke Detectors
20
Fire Detectors
20
High-Efficiency Filter
21
Low Temperature Kit
21
Operating & Storage Environmental Requirements
22
Operating Requirements
22
Storage Requirements
22
Chapter 2: Installation
23
Pre-Installation
23
Transportation & Movement
23
Unpacking
24
Inspection
26
Installation Preparation (Site Preparation)
26
Equipment Room Requirements
26
Installation Space Requirements
27
Maintenance Space Requirement
28
Installation Tools
29
System Arrangement During Installation
30
System Installation Mode
32
Mechanical Installation
34
Indoor Unit Size and Weight (Product Dimension)
34
Dimension and Weight of Condenser
35
Base Plate Cut-Out Position and Dimension
36
Position and Dimension of Air Outlet on Top Cover
39
Indoor Installation
40
Installation Considerations
42
Pipe Installation Unit (Air-Cooled Units)
42
Condensate Drain Piping Connection of the Indoor Unit
43
Humidification Inlet Pipe Connection
43
Refrigerant Piping Connection
45
Refrigerant Piping Connection General Principle
46
Refrigerant Requirement
48
Copper Pipe Brazing Requirements
49
Lowering the Fan
51
Removing Transportation Fixing Plate of Compressor
54
Removing of Fasteners of Infrared Humidifier
55
Removing of Fasteners from Electrode Humidifier
55
Removing Pipe Fasteners
57
Installation Inspection
57
Electrical Installation
58
Installation Notes
58
Wiring of Indoor Unit
58
Connecting Control Cables
60
Connecting Water-Under-Floor Sensor
61
Remote Shutdown
61
Customized Alarm Terminal
62
External General Alarm
62
Connecting Solenoid Valve of Pipe Extension Kit (Optional)
62
Wiring of Condenser
63
Connecting Power Cables of Condenser
63
Electrical Installation Inspection
65
Chapter 3: Controller Operating Instruction
66
HMI Display
66
Light Indicator
67
Start-Up Interface
67
User Menu
68
Password Interface
70
Menu
72
Alarm Menu
72
Unit Status
79
Temperature and Humidity Status
79
Power Information Display
81
Hardware and Software Information
81
Remote Monitoring Mode
82
Chapter 4: General Maintenance
83
Manual Operation Function
83
Electrical Connection Inspection
83
Control Component Appearance Inspection
84
Water Leak Detector
85
Air Filter
85
Fan Kit Maintenance
86
Infrared Humidifier
86
Electrical Heater
87
Cooling System
88
Chapter 5: Troubleshooting
89
Componentwise Alarm and Solutions
89
Fan Troubleshooting
89
Heating System Troubleshooting
90
Compressor and AC System Troubleshooting
90
Infrared Humidifier Troubleshooting
94
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Vertiv Liebert PEX4 Series Specifications
General
Brand
Vertiv
Model
Liebert PEX4 Series
Category
Air Conditioner
Language
English
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