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GMV-450WM/B-X
Gree GMV-450WM/B-X Service Manual
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GMV5 DC I
NVERTE
R VRF UNITS SER
VICE MA
NUAL
120
Commissio
ning
steps
11,
13,
and
14
are
reserved.
Steps
13,
14,
15,
and
16
are
parallel
steps
(one
of
the four ste
ps will be selected
according to the
actual unit).
At
last,
engineering
commissioning
is
completed
when
"
"
is
displayed
on
"Project
Debu
g
Completion".
122
124
Table of Contents
Default Chapter
2
Table of Contents
2
Chapter 1 Introduction to Basic Features of Units
4
Basic Operating Principle
4
Preface
4
Internal Piping Design of the Units
5
Basic Parameters of Unit
9
Electrical Parameters
12
Optional Accessories
17
Basic Requirement for Pipe Connection
18
Precautions on Refrigerant Leakage
21
Configuration of Full Fresh Air Conditioning Idu
22
Unit Operating Temperature
22
Chapter 2 Installation
24
Part 1 Engineering Installation Preparation
24
Installation Safety
24
Importance of Installation Engineering
24
Cooperation between Different Professions
26
Onsite Review of Design Drawing
28
Construction Organization Process
29
Part 2 Material Selection
30
Requirement for Selecting Construction Materials
30
Requirement for Selecting Major Materials
30
Part 3 Installation Space Requirement
32
Place Selection for Installing Odu
32
Odu Dimensions and Installation Hole Size
32
Installation Space Requirement for Odu
35
Part 4 Requirements on Foundation Installation
43
Odu Foundation
43
Odu Fixing
44
Vibration Reduction for Odu
44
Part 5 Piping Connection
45
Ⅰ. Schematic Diagram of Piping Connection
45
Ⅱ. Schematic Diagram of Piping Sequence
46
Ⅲ. Allowable Pipe Length and Drop Height Among Indoor and Outdoor Units
48
Ⅳ. Connection Pipe Among Outdoor Modules
50
Ⅴ. Fitting Pipe between Outdoor Unit and the First Manifold
52
Part 6 Pipe Installation and Insulation
58
Pipe Installation for the Cooling System
58
Pipe Installation for the Condensate Water System
65
Insulation System
67
Part 7 Electric and Controller Installation
69
Precautions
69
Installation of the Power Cable
69
Installation of the Communication System
73
Part 8: Vacuumization and Desiccation for the Refrigerant System
76
Air-Tightness Test
76
Vacuumization and Desiccation for the System
77
Part 9: Refrigerant Perfusion
78
Calculation Method for Perfusing Refrigerant
78
Method for Perfusing Refrigerant
79
Chapter 3 Commissioning Operation
81
Part 1 Security Requirements
81
Precautions for Construction
81
Precautions for the Use of Refrigerants
81
Part 2 Introduction to Unit Functions
81
Function Settings of Odus
81
(I) System Function DIP Switch Settings
81
(II) System Function Button Operations
86
Part 3 Commissioning Process
103
Necessity of Vrf Engineering Commissioning
103
Required Files and Tools for Engineering Commissioning
103
Engineering Commissioning Procedures
103
References for Proper Unit Operation Parameters
125
Chapter 4 Maintenance
128
Part 1 Failure Code Table
128
Part 2 Exception and Troubleshooting
132
Part 3 Key Parts Maintenance
175
Cautions on Controller Ap1 Replacement
175
Compressor Replacement and Cautions
180
Cautions on Compressor Drive Replacement
206
Assembling and Disassembling Key Parts of Odus
209
Exploded Views and Part List
221
Ⅵ. Common Parameter Lists
233
Chapter 5 Remote Control
240
Part 1 Engineering Debugger
240
Part 2 Remote Control
273
Other manuals for Gree GMV-450WM/B-X
Owner's Manual
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Gree GMV-450WM/B-X Specifications
General
Brand
Gree
Model
GMV-450WM/B-X
Category
Air Conditioner
Language
English
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