Gree LSQWRF60WM/NhA-M Manuals

Manuals and User Guides for Gree LSQWRF60WM/NhA-M. We have 1 Gree LSQWRF60WM/NhA-M manual available for free PDF download: Service Manual

Gree LSQWRF60WM/NhA-M Service Manual

Gree LSQWRF60WM/NhA-M Service Manual (98 pages)

Brand: Gree | Category: Chiller | Size: 28 MB

Table of Contents

Table of Contents
2
Product Information
7
Introduction
7
Lineup
7
Nomenclature
7
Product Features
8
Nominal Operating Conditions
8
Operation Range
9
Performance Correction Curves
9
Working Principle
10
Technical Parameters
12
Electrical Parameters
12
Performance Parameters
13
Scope of Supply
15
Unit Control
17
Schematic Diagram
17
Operation Flowchart
19
Cooling
19
Heating
20
Key Control Logics
21
Cooling Control
21
Heating Control
21
Control to the Compressor
22
Control to the Fan
22
Control to the 4-Way Valve
22
Control to the Water Pump
22
Control to the Electric Expansion Valve
22
Protection
22
Introduction to Controller
23
Smart Management System
23
Long-Distance Monitoring/Bms Interface
23
Network of the Long-Distance Monitoring System
23
Hardware
24
Model Selection Instructions
25
Unit Installation
27
Installation Flowchart
27
Preparations before Installation
28
Precautions for Installation
28
Importance of Installation
29
Installation Instructions
30
Outline Dimensions
30
Precautions for Installation
32
Installation Environment
32
Installation and Service Space
32
Installation Foundation
33
Handling and Lifting
33
Placement of the Main Unit
34
Piping and Insulation
34
Installation of the Water System
34
Requirements on Piping
36
Installation of the Expansion Tank
38
Installation of Condensate Pipes
39
Electrical Connection
41
Safety Precautions
41
External Connection
41
Specification of Power Supply
45
Wiring of the Electric Control Cabinet
45
Field Wiring
47
Networking and Wiring between Units
49
Jumpers
51
Test Operation, Troubleshooting and Maintenance
53
Commissioning
53
Flowchart of Commissioning
53
Safety Precautions for Commissioning
53
Preparation before Commissioning
53
Check before Commissioning
53
Check for Initial Run
54
Troubleshooting
56
Diagnostics
56
Flow Chart of Troubleshooting
58
Power Distribution
64
Power Distribution Logic
64
Introduction to Main Electric Elements
64
Main Board
65
Replacement of Main Parts
67
Brief Introduction
67
Replacement Instructions
68
Routine Maintenance
87
Repairs to Refrigerant Leakage
87
Air Removal
88
Exploded Views and Part Lists
89
Maintenance
95
Requirements for Maintenance
95
Freeze Protection in Winter
97

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