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Gree
Air Conditioner
GUHD48NK3FO
Service Manual
Page 127
Gree GUHD48NK3FO - Page 127
186 pages
Manual
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U-Match Seri
es DC Inverter
Service Manua
l
124
3.2.2 Floor Cei
ling T
y
pe
Model: G
TH09K3FI, G
TH12K3FI, G
TH18K3FI, G
TH24K3FI,
GTH30K3FI,
GTH36K3FI,
GTH42K3FI,
GTH48K3FI
，
GTH60K3FI
3.
2.3 Cassette T
y
p
e
Model: GKH12
K3FI, GKH18K
3FI
126
128
Table of Contents
Main Page
Table of Contents
2
Product
5
Models List
5
Outdoor Unit
5
Indoor Unit
6
Nomenclature
7
Outdoor Unit
7
Intdoor Unit
7
Product Data
8
Product Data of Indoor Unit
8
Operation Range
17
Electrical Data
17
Piping Diagram
19
Control
21
Operation Flowchart
21
Cooling/Dry Operation
21
Heating Operation
22
Wireless Remote Controller
23
Operation and Display View
23
Wired Controller
25
Display View
25
Operation View
28
Silk Screen of Buttons
28
Instruction to Function of Buttons
28
Operation Instruction of Special Functions
31
Setting of Filter Clean Reminder Function
31
Low Temperature Drying Function
33
Lock Function
33
Memory Function
33
Door Control Function/Human Sensitive Function
33
Switch between Fahrenheit and Centigrade
33
Enquiry of Ambient Temperature
34
Enquiry of Historical Malfunction
34
Debugging Function
34
Installation of Wired Controller
37
Standard Accessories
37
Installation Position and Requirement
38
Installation of Wired Controller
38
Removal of Wired Controller
39
Troubleshooting
39
Display of Error Code
39
Centralized Controller
41
Smart Zone Controller
41
Additional Special Functions
43
Installation
58
Indoor Unit Installation
58
Installation of Duct Type
58
Installation Clearance Data
62
Installation of Floor Ceiling Type
67
Installation of Cassette Type
74
Outdoor Unit Installation
83
Before Installation
83
Installation Site
83
Caution for Installation
84
Dimension Data
85
Refrigeration Piping Work
86
Refrigeration Piping Work Procedures and Caution in Connecting
86
Vacuum and Gas Leakage Inspection
89
Specification of Connection Pipe
90
Electric Wiring Work
91
Wiring Precautions
91
Electrical Wiring
91
Single Phase
95
Maintenance
97
Trouble Table
97
Main Control Malfunction
97
Flow Chart of Troubleshooting
100
Troubleshooting Flow Chart of Main Control Malfunction
100
Troubleshooting Flow Chart of Drive Malfunction
107
Interface
112
IPM, PFC Testing Method
117
Wiring Diadram
121
Outdoor Unit
121
Indoor Unit
126
Disassembly and Assembly Procedure of Main Parts
130
Outdoor Unit
130
Indoor Unit
136
Exploded Views and Spare Part List
149
Outdoor Unit
149
Indoor Unit
161
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