Only for authorized service personnel
HEAT CONTROLLER, INC
Wall Mounted Multi-SplitSystem
Air Conditioning/Heat Pump
 2Multi type Air Conditioner
TABLE OF CONTENTS
 SymbolsUsedinthisManual
Service Manual
Combination table
Combination table
 Safety Precautions
Installation
Safety Precautions
4Multi type Air Conditioner
 Safety Precautions
Do not install, remove, or re
Service Manual
 6Multi type Air Conditioner
Safety Precautions
When the product is soaked
an Authorized Service Center
 Installation
Safety Precautions
Install the drain hose to ensure that
installing the product
 Operational
8Multi type Air Conditioner
Safety Precautions
 Safety Precautions
Service Manual
•Be careful and avoid personal injury
•They may burn or explode
 Dimensions
Dimensions
IndoorUnit
Split Type Indoor
 OutdoorUnit
Dimensions
Service Manual
UE 18kBtu/h
 Product Specifications
Product Specifications
12Multi type Air Conditioner
Outdoor Unit
 Product Specifications
Service Manual
Indoor Unit
B-DMH18DB-1
 Installation
InstallationParts
InstallationTools
Installation
 Select the best location
Installation
Rooftop Installations
Indoor unit
 Piping length and elevation
16Multi type Air Conditioner
Installation
Multi Piping Type
 Fixing Installation Plate
Installation
Service Manual
 Flaring Work and Connection of Piping
Flaringwork
Flaring Work and Connection of Piping
18Multi type Air Conditioner
 Connecting the Piping
For right rear piping
Service Manual
Flaring Work and Connection of Piping
 20Multi type Air Conditioner
Flaring Work and Connection of Piping
 For left rear piping
Service Manual
Flaring Work and Connection of Piping
 22Multi type Air Conditioner
Indoor unit installation
Flaring Work and Connection of Piping
 REMOTE CONTROL PREPARATIONOPTIONAL
HOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES
Flaring Work and Connection of Piping
 24Multi type Air Conditioner
Flaring Work and Connection of Piping
Outdoor
 Connectthe cabletotheIndoorunit
Service Manual
Flaring Work and Connection of Piping
Line voltage 208~230V
 Connectthe cabletotheOutdoor unit
26Multi type Air Conditioner
Every wire must be connected firmly
 Connectionmethod ofthe connectingcableExample
How to connect wiring to the terminals
Service Manual
 Connectthecable totheindoorunit
28Multi type Air Conditioner
rating on the unit rating plate
 Checkingthedrainage
Service Manual
To check the drainage
Drain piping
 Formingthe piping
30Multi type Air Conditioner
 Service Manual
Air Purging and Evacuation
Checkingmethod
Air Purging and Evacuation
 Evacuation
32Multi type Air Conditioner
Repeat evacuation procedure for each indoor unit
Finishing the job
 Charging
Charging
Important:Unit is critically charge
 Test Running
Test Running
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Prepare remote control
 Operation
Functionofcontrol
1. MAIN UNIT FUNCTION
Operation
 36Multi type Air Conditioner
Operation
Defrost ControlHeating
Fuzzy Operation
 On-TimerOperation
Off-TimerOperation
Service Manual
Operation
 38Multi type Air Conditioner
Off-Timer = On-TimerOperation
Sleep Timer Operation
Operation
 Service Manual
Operation
Forced Operation
Buzzer Sounding Operation
 FunctionofIndoorUnit
40Multi type Air Conditioner
Operation ON/OFF by Remote controller
Time Delay Safety Control
 FunctionofOutdoor Unit
Service Manual
Operation
Operating Step
 RemoteControlOperation
42Multi type Air Conditioner
SETTING BUTTONS
7ON/OFF TIMER BUTTONS
 Disassembly
Disassembly
Indoor Unit
To remove the Grille from the Chassis
 44Multi type Air Conditioner
Disassembly
2. To remove the Control Box
3.To remove the Discharge Grille
 Service Manual
Disassembly
5.To remove the Motor Cover
6.To remove the Cross-FlowFan
 Schematic Diagram
Schematic Diagram
ElectronicControlDevice
1.Indoor Unit
 2. Outdoor Unit
Schematic Diagram
TMP87CM41F
 48 Multi type Air Conditioner
Schematic Diagram
 Wiring Diagram
1. Room Type Indoor Unit 2. Outdoor Unit
Schematic Diagram
Service Manual
 ComponentsLocations
1. Indoor Unit
•TOP VIEW
• BOTTOM VIEW
 Schematic Diagram
2. Display ASSEMBLY 1 Split Type 6871A20682A
 3. Outdoor Unit
52Multi type Air Conditioner
Schematic Diagram
1 Component side
 Schematic Diagram
2 Solder side
 Troubleshooting Guide
RefrigerationCycleDiagram
Troubleshooting Guide
54Multi type Air Conditioner
 Indoor Error
Outdoor Error
Self-diagnosisFunction
Troubleshooting Guide
 CycleTroubleshooting Guide
Trouble analysis
56Multi type Air Conditioner
Troubleshooting Guide
 ElectronicPartsTroubleshooting Guide
Trouble
The Product doesn’t operate at all
Troubleshooting Guide
 Product doesnt operate with the remote controller
58Multi type Air Conditioner
Troubleshooting Guide
Trouble
 The Compressor/Outdoor Fan are dont operate
Troubleshooting Guide
Service Manual
Trouble
 Trouble 4 When indoor Fan does not operate
When indoor Fan does not operate
60Multi type Air Conditioner
Troubleshooting Guide
 Trouble 5 When the louver does not operate
When Vertical Louver does not operate
Troubleshooting Guide
Service Manual
 ErrorCode
62Multi type Air Conditioner
Troubleshooting Guide
Trouble Shooting
 Troubleshooting Guide
Power input AC 230V.Outdoor, Indoor
• The connecting wires are misconnected
Title
 64Multi type Air Conditioner
Troubleshooting Guide
Error
Cause of error
 Service Manual
Troubleshooting Guide
Cause of error
Title
 2-way, 3-wayValve
2-way, 3-wayValve
66Multi type Air Conditioner
2-wayValve Liguid Side
 1 Pumping down
Service Manual
2-way, 3-wayValve
2.Operate the unit for 10 to 15 minutes
 2 Evacuation
68Multi type Air Conditioner
7.Mount the valve caps and the service port caps
2-way, 3-wayValve
 3 Gas Charging
Service Manual
2-way, 3-wayValve
After Evacuation
 HEAT CONTROLLER, INC
1900 WELLWORTH AVENUE • JACKSON, MICHIGAN
THE QUALITY LEADER IN CONDITIONING AIR
05/15/07