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Heat Controller
Air Conditioner
DMC12SB-0
Heat Controller DMC12SB-0 User Manual
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Wall Mounted
Mini-Split System
Single-Zone
Air Conditioning/Heat Pump
Service Manual
DMC09SB-0/DMH09SB-0
DMC12SB-0/DMH12SB-0
DMC18SB-1/DMH18SB-1
DMC24SB-1/DMH24SB-1
Befor
e servicing the unit, r
ead the
“safety pr
ecautions” in this manual.
Only for authorized service personnel.
HEA
T CONTR
OLLER, INC.
2
Table of Contents
Default Chapter
1
Service Manual
1
Wall Mounted
1
Table of Contents
2
Safety Precautions
3
Dimensions
9
Symbols Used in this Manual
12
Introduction
12
Installation
13
Indoor Unit
16
Outdoor Unit
16
Selection of the Best Location
16
Piping Length and Elevation
17
How to Fix Installation Plate
18
Drill a Hole in the Wall
18
Drain Hose Junction
18
Flaring Work and Connection of Piping
19
Flaring Work
19
Connection of Piping Indoor
20
Connection of the Pipes-Outdoor
26
Connecting the Cable between Indoor Unit and Outdoor Unit
26
Connect the Cable
26
Checking the Drainage and Forming the Pipings
28
Checking the Drainage
28
Form the Piping
29
Air Purging
30
Air Purging with Vacuum Pump
30
Finishing the Job
31
Test Running
33
Operation
34
Function of Controls
34
Display Function
38
Self-Diagnosis Function
38
Remote Control Operations
39
Disassembly
40
Indoor Unit
40
Troubleshooting Guide
43
Refrigeration Cycle Diagram
43
2-Way, 3-Way Valve
44
Pumping down
45
Gas Charging
48
Cycle Parts
50
Electronic Parts
51
The Product Is Not Operate with the Remote Controller
53
When Indoor Fan Does Not Operate
56
When Vertical Louver Does Not Operate
57
When a Comunication Error Occurs
58
Schematic Diagram
61
Electric Control Device
61
Wiring Diagram
64
Components Location
67
Product Specifications
71
4
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Heat Controller DMC12SB-0 Specifications
General
Brand
Heat Controller
Model
DMC12SB-0
Category
Air Conditioner
Language
English
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