3
OUTDOOR UNIT COMBINATION
Overview
3.1
3.2
Branch Joints
3.3
Recommended Outdoor Unit Combination
4
PREPARATIONS BEFORE INSTALLATION
Overview
4.1
Choosing and Preparing the Installation Site
4.2
4.3
Selecting and Preparing the Refrigerant Piping
4.4
Selecting and Preparing the Electrical Wiring
5 OUTDOOR UNIT INSTALLATION
5.1
Overview
5.2
Opening the Unit
Installing the Outdoor Unit
5.3
Pipe Welding
5.4
5.5
Fushing Pipes
5.6
Gas Tightness Test
5.7
Vacuum Drying
5.8
Piping Insulation
5.9
Refrigerant Charging
5.10
Electrical Wiring
6 CONFIGURATION
6.1
Overview
6.2
Digital Display and Button Settings
7 COMMISSIONING
7.1
Overview
7.2
Things to Note During Test Run
7.3
Checklist Before Test Run
About Test Run
7.4
7.5
Test Run Implementation
Rectifications After Test Run Is Completed with Exceptions
7.6
Operating This Unit
7.7
8 MAINTENANCE AND REPAIR
8.1
Overview
Safety Precautions for Maintenance
8.2
9 TECHNICAL DATA
Dimensions
9.1
Component Layout and Refrigerant Circuits
9.2
Outdoor Unit Ducting
9.3
Fan Performance
9.4
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14
14
14
17
17
17
19
27
28
28
28
30
32
34
35
36
36
37
38
46
46
46
52
52
52
52
53
53
55
55
55
55
55
55
55
56
59
60
V.1