HEAT CONTROLLER, INC
Only for authorized service personnel
Wall Mounted Multi-SplitSystem
Air Conditioning/Heat Pump
 TABLE OF CONTENTS
2Multi type Air Conditioner
 Service Manual
SymbolsUsedinthisManual
Combination table
Combination table
 Installation
Safety Precautions
Safety Precautions
4Multi type Air Conditioner
 Safety Precautions
Do not install, remove, or re
Service Manual
 Safety Precautions
6Multi type Air Conditioner
When the product is soaked
an Authorized Service Center
 Safety Precautions
Installation
Install the drain hose to ensure that
installing the product
 Operational
8Multi type Air Conditioner
Safety Precautions
 Service Manual
Safety Precautions
•Be careful and avoid personal injury
•They may burn or explode
 Dimensions
Dimensions
IndoorUnit
Split Type Indoor
 Dimensions
OutdoorUnit
Service Manual
UE 18kBtu/h
 Product Specifications
Product Specifications
12Multi type Air Conditioner
Outdoor Unit
 Service Manual
Product Specifications
Indoor Unit
B-DMH18DB-1
 InstallationParts
Installation
InstallationTools
Installation
 Installation
Select the best location
Rooftop Installations
Indoor unit
 16Multi type Air Conditioner
Piping length and elevation
Installation
Multi Piping Type
 Fixing Installation Plate
Installation
Service Manual
 Flaringwork
Flaring Work and Connection of Piping
Flaring Work and Connection of Piping
18Multi type Air Conditioner
 For right rear piping
Connecting the Piping
Service Manual
Flaring Work and Connection of Piping
 Flaring Work and Connection of Piping
20Multi type Air Conditioner
 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
 Service Manual
Connectthe cabletotheIndoorunit
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
 Service Manual
Checkingthedrainage
To check the drainage
Drain piping
 30Multi type Air Conditioner
Formingthe piping
 Air Purging and Evacuation
Service Manual
Checkingmethod
Air Purging and Evacuation
 32Multi type Air Conditioner
Evacuation
Repeat evacuation procedure for each indoor unit
Finishing the job
 Charging
Charging
Important:Unit is critically charge
 Test Running
Test Running
34Multi type Air Conditioner
Prepare remote control
 Functionofcontrol
Operation
1. MAIN UNIT FUNCTION
Operation
 Operation
36Multi type Air Conditioner
Defrost ControlHeating
Fuzzy Operation
 Off-TimerOperation
On-TimerOperation
Service Manual
Operation
 Off-Timer = On-TimerOperation
38Multi type Air Conditioner
Sleep Timer Operation
Operation
 Operation
Service Manual
Forced Operation
Buzzer Sounding Operation
 40Multi type Air Conditioner
FunctionofIndoorUnit
Operation ON/OFF by Remote controller
Time Delay Safety Control
 Service Manual
FunctionofOutdoor Unit
Operation
Operating Step
 42Multi type Air Conditioner
RemoteControlOperation
SETTING BUTTONS
7ON/OFF TIMER BUTTONS
 Disassembly
Disassembly
Indoor Unit
To remove the Grille from the Chassis
 Disassembly
44Multi type Air Conditioner
2. To remove the Control Box
3.To remove the Discharge Grille
 Disassembly
Service Manual
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
 Schematic Diagram
48 Multi type Air Conditioner
 1. Room Type Indoor Unit 2. Outdoor Unit
Wiring Diagram
Schematic Diagram
Service Manual
 1. Indoor Unit
ComponentsLocations
•TOP VIEW
• BOTTOM VIEW
 2. Display ASSEMBLY 1 Split Type 6871A20682A
Schematic Diagram
 52Multi type Air Conditioner
3. Outdoor Unit
Schematic Diagram
1 Component side
 2 Solder side
Schematic Diagram
 RefrigerationCycleDiagram
Troubleshooting Guide
Troubleshooting Guide
54Multi type Air Conditioner
 Outdoor Error
Indoor Error
Self-diagnosisFunction
Troubleshooting Guide
 Trouble analysis
CycleTroubleshooting Guide
56Multi type Air Conditioner
Troubleshooting Guide
 Trouble
ElectronicPartsTroubleshooting Guide
The Product doesn’t operate at all
Troubleshooting Guide
 58Multi type Air Conditioner
Product doesnt operate with the remote controller
Troubleshooting Guide
Trouble
 Troubleshooting Guide
The Compressor/Outdoor Fan are dont operate
Service Manual
Trouble
 When indoor Fan does not operate
Trouble 4 When indoor Fan does not operate
60Multi type Air Conditioner
Troubleshooting Guide
 When Vertical Louver does not operate
Trouble 5 When the louver does not operate
Troubleshooting Guide
Service Manual
 62Multi type Air Conditioner
ErrorCode
Troubleshooting Guide
Trouble Shooting
 Power input AC 230V.Outdoor, Indoor
Troubleshooting Guide
• The connecting wires are misconnected
Title
 Troubleshooting Guide
64Multi type Air Conditioner
Error
Cause of error
 Troubleshooting Guide
Service Manual
Cause of error
Title
 2-way, 3-wayValve
2-way, 3-wayValve
66Multi type Air Conditioner
2-wayValve Liguid Side
 Service Manual
1 Pumping down
2-way, 3-wayValve
2.Operate the unit for 10 to 15 minutes
 68Multi type Air Conditioner
2 Evacuation
7.Mount the valve caps and the service port caps
2-way, 3-wayValve
 Service Manual
3 Gas Charging
2-way, 3-wayValve
After Evacuation
 1900 WELLWORTH AVENUE • JACKSON, MICHIGAN
HEAT CONTROLLER, INC
THE QUALITY LEADER IN CONDITIONING AIR
05/15/07