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Liebert PEX+ Series
Vertiv Liebert PEX+ Series User Manual
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Liebert
® PEX+Chilled W
ater Series
User Manual
Pr
ecision Air Conditioning
2
Table of Contents
Default Chapter
6
Table of Contents
6
Chapter 1: Product Overview
11
Product Introduction
11
Model Description
12
Model Nomenclature
13
Components of PEX+CW Model
14
Cabinet
15
EC Fans
15
Infrared Humidifier
15
Electrical Heater
16
Water Flow Regulating Valve
17
Safety Controlling Device
17
Cooling Coil
17
Filter
17
Water Leak Detecting System
18
Icom Controller
18
Optional Components
19
Storage & Operating Environment Requirements
21
Noise Level Limits
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
Mechanical Installation
31
Indoor Unit Size and Weight (Product Dimension)
31
Position and Dimension of Air Outlet on Top Cover
33
Base Pallet Cut-Out Location Dimension
34
Side Panel Knock-Out Location
35
Plenum Dimension (for Upflow)
37
Indoor Installation
38
Installation of Indoor Unit
41
Pipe Installation Unit
41
Condensed Drain Piping Connection of Indoor Unit
41
Water Inlet Pipe Humidifier Connection
42
Chilled Water Inlet and Outlet Piping Connection
44
Lowering the Fan
46
Removing Fastener and Vibration Absorber
49
Removing of Fasteners of Infrared Humidifier
49
Installation Inspection
50
Chapter 3: Electrical Installation
51
Installation Notes
51
Cabling of Indoor Unit
51
Electrical Installation Checklist
57
Chapter 4: Icom Controller Operation
58
LCD Screen
59
Button and Indicator Panel
59
Start-Up Interface
62
Main Interface
62
User Menus
63
Password
64
Setpoints
64
Event Log
65
Graphics
65
Set Alarms
66
Sensor Data
68
Display Setup
68
Total Run Hrs
70
Sleep Mode
71
Service Info
71
Active Alarms
72
Event Name and Definition
72
Multi-Units and Teamwork Modes
75
Teamwork Modes
76
Application of Teamwork Modes
76
Standby - Rotation
79
Standby and Cascade
80
Chapter 5: Application of INTELLI SLOT
81
Introduction of Host Communication Card
81
Installing Host Communication Card
82
Installing Communication Card
82
Connection
82
Assigning the Card's IP Address
83
Connect an Ethernet Cable
85
Connect a RS-485 Serial Cable
85
Configure the Card
86
Enable Protocols
88
Enable Modbus Protocol
89
Configure Modbus TCP
89
Configure Modbus RTU
89
Enable Bacnet Protocol
90
Configure Bacnet IP Protocol
91
Configure Bacnet MSTP Setting
93
Enable SNMP
94
Chapter 6: System Start-Up Commissioning
95
Start-Up Commissioning
95
Preparation before Commissioning
95
Commissioning Procedures
95
Inspection after Commissioning
96
Chapter 7: System Operation and Maintenance
97
Routine Maintenance Inspection Items (Monthly)
97
Routine Maintenance Inspection Items (Semi-Annual)
98
Self-Diagnostic System
98
Check the Electrical Connections and Maintenance
98
Appearance Inspection and Maintenance of Controller Components
99
Filter Maintenance Guide
100
Fan
102
Infrared Humidifier Maintenance Guide
102
Electric Heater Maintenance Guide
103
Water Flow Control Valve
104
Chapter 8: Diagnosis and Troubleshooting
105
Fault Diagnosis and Treatment of Fans
105
Fault Diagnosis and Treatment of Infrared Humidifier
106
Infrared Humidifier Troubleshooting
106
Refrigeration System - Fault Diagnosis and Treatment
106
Heating System - Fault Diagnosis and Treatment
107
Appendix I: Content of Harmful Substances in Products
108
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Vertiv Liebert PEX+ Series Specifications
General
Brand
Vertiv
Model
Liebert PEX+ Series
Category
Air Conditioner
Language
English
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