Gree GWH18UC-K3DNA2A Manuals

Manuals and User Guides for Gree GWH18UC-K3DNA2A. We have 1 Gree GWH18UC-K3DNA2A manual available for free PDF download: Service Manual

Gree GWH18UC-K3DNA2A Service Manual (67 pages)

Indoor/Outdoor Units with remote control

Brand: Gree | Category: Air Conditioner | Size: 20.19 MB

Table of Contents
2
Summary and Features
4
Safety Precautions
5
Specifications
6
Operation Characteristic Curve
8
Capacity Variation Ratio According to Temperature
8
Noise Criteria Curve Tables for both Models
9
Operation Data
9
Cooling
9
Heating
9
Construction Views
10
Refrigerant System Diagram
11
Indoor Unit
11
Outdoor Unit
11
Schematic Diagram
12
Electrical Wiring
12
Electrical Data
12
Outdoor Unit
13
Printed Circuit Board
14
Top View
14
Bottom View
14
Function and Control
16
Remote Control Operations
16
Mode
17
Fan
17
Swing
17
I Feel
17
Replacement of Batteries
18
Quiet
18
Clock
18
Turbo
18
Description of each Control Operation
19
Temperature Parameters
19
Basic Functions
19
Cooling Mode
19
Protection
20
Fan Mode
20
Auto Mode
20
Common Protection Functions
20
Other Controls
21
Module Protection
21
Overload Protection
21
Time Switch
21
Display
22
Protection Function and Failure Display
22
Quiet Mode
23
Energy-Saving Mode
23
Installation Manual
24
Notices for Installation
24
Installation Site Instructions
24
Earthing Requirements
25
Installation Drawing
26
Install Indoor Unit
27
Installation of Mounting Plate
27
Drill Piping Hole
27
Installation of Drain Hose
27
Installation of Indoor Unit
28
Installation of Connection Pipe
28
Install Outdoor Unit
29
Electric Wiring
29
Air Purging and Leakage Test
29
Check after Installation and Operation Test
29
Installation and Maintenance of Healthy Filter
30
Operation Test
30
Installation of Healthy Filter
30
Cleaning and Maintenance
30
Air Filter
30
Exploded Views and Parts List
31
Troubleshooting
37
Malfunction Analysis
37
Flashing LED of Indoor/Outdoor Unit and Primary Judgement
41
Compressor Discharge Protection
43
Low Voltage Overcurrent Protection
43
Sensor Open or Short Circuit
43
System Malfunction
43
How to Check Simply the Main Part
44
Capacitor Charge Fault
44
IPM Proteciton
45
Start-Up Failure
47
Communication Malfunction
51
Removal Procedure
55
Before Disassembly
55
Remove Filter Sub-Assy
55
Remove Panel
56
Remove Horizontal Louver
56
Remove Front Case
56
Remove the Electric Box
57
Remove the Evaporator
58
Remove the Cross Flow Fan and the Motor
59
Remove the Vertical Louver
59
Removal Procedure of Outdoor Unit
60
Remove Handle and Top Cover
60
Remove Front Grill
61
Remove Front Panel
61
Remove Right Side Plate
61
Remove Axial Flow Fan
62
Remove Electric Box Assy
62
Remove Support Plate
62
Remove Soundproof Sponge
63
Remove Isolation Sheet
63
Remove Liquid Valve and Gas Valve
63
Remove 4-Way Valve Assy
64
Remove Compressor
64
Remove Motor Support and Motor
64
Remove Left Side Plate
65
Remove Chassis Sub-Assy and Condenser Sub-Assy
65

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