Gree LSQWRF65VM/NaB Series Manuals

Manuals and User Guides for Gree LSQWRF65VM/NaB Series. We have 1 Gree LSQWRF65VM/NaB Series manual available for free PDF download: Service Manual

Gree LSQWRF65VM/NaB Series Service Manual (135 pages)

Modular air-cooled scroll chiller (heat pump)

Brand: Gree | Category: Chiller | Size: 10 MB

Table of Contents
2
Product
8
Introduction
8
Lineup
8
Nomenclature
8
Product Features
9
Nominal Operating Conditions
9
Operation Range
10
Unit Performance Curves
10
Working Principle
11
Techinical Parameters List
11
Electrical Parameters
11
Performance Parameters Table
12
Scope of Supply
13
Design and Selection
15
Unit Control
20
Schematic Diagram
20
Operation Flowchart
22
Cooling
22
Heating
23
Key Control Logics
24
Cooling Control
24
Heating Control
24
Automatic Anti-Freezing Operation
25
Control to the Compressor
25
Control to the Fan
25
Control to the 4-Way Valve
25
Control to the Water Pump
25
Control to the Electronic Expansion Valve
25
Protection
25
General Introduction
26
Homepage
27
Menu Page
28
Introduction to the Pop-Up Windows
29
Backlight
29
Operation Instructions
30
On/Off
30
Functions
31
Parameter
39
Information
41
E-Clear
49
General
50
Setup of DIP Switches on the Motherboard
53
Smart Management System
54
Long-Distance Monitoring/Bms Interface
54
Network of the Long-Distance Monitoring System
54
Hardware
55
Model Selection Instructions
56
Unit Installation
59
Installation Flowchart
59
Preparations before Installation
60
Precautions for Installation
60
Importance of Installation
61
Selection of Installation Materials
62
Tools
67
Cutting and Finishing Tools
67
Measuring Tools
67
Installation Instructions
69
Outline Dimensions
69
Precautions for Installation
70
Installation Environment
70
Installation and Service Space
70
Installation Foundation
71
Handling and Lifting
71
Placement of the Main Unit
72
Piping and Insulation
73
Installation of the Water System
73
Requirements on Piping
75
Installation of the Expansion Tank
83
Installation of Condensate Pipes
84
Electric Wiring
86
Safety Precautions
86
Control Concept
86
Specification of Power Supply
88
Wiring of the Electric Control Cabinet
89
Filed Wiring
91
Networking and Wiring between Units
92
Electric Wiring Digram
94
Jumpers
96
Test Operation, Troubleshooting and Maintenance
98
Commissioning
98
Flowchart of Commissioning
98
Safety Precautions for Commissioning
98
Preparation before Commissioning
98
Check before Commissioning
99
Check for Initial Run
100
Troubleshooting
102
View on Errors
102
Error List
104
Errors Identifying of Systems
105
Flow Chart of Troubleshooting
107
Error Identifying of Controller
112
Power Distribution
114
Power Distribution Logic
114
Introduction to the Main Electric Element
115
Replacement of Main Parts
115
Brief Introduction
115
Replacement Instructions
117
Routine Maintenance
125
Repairs to Refrigerant Leakage
125
Air Removal
126
Exploded Views and Part Lists
127
Maintenance
132
Requirements for Maintenance
132
Freeze Protection in Winter
134

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Gree LSQWRF65VM/NaB Series Service Manual (135 pages)

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