Air Conditioning/Heat Pump
Only for authorized service personnel
HEAT CONTROLLER, INC
Wall Mounted Multi-SplitSystem
 TABLE OF CONTENTS
2Multi type Air Conditioner
 Combination table
SymbolsUsedinthisManual
Service Manual
Combination table
 4Multi type Air Conditioner
Safety Precautions
Installation
Safety Precautions
 Safety Precautions
Do not install, remove, or re
Service Manual
 an Authorized Service Center
6Multi type Air Conditioner
Safety Precautions
When the product is soaked
 installing the product
Installation
Safety Precautions
Install the drain hose to ensure that
 Operational
8Multi type Air Conditioner
Safety Precautions
 •They may burn or explode
Safety Precautions
Service Manual
•Be careful and avoid personal injury
 Split Type Indoor
Dimensions
Dimensions
IndoorUnit
 UE 18kBtu/h
OutdoorUnit
Dimensions
Service Manual
 Outdoor Unit
Product Specifications
Product Specifications
12Multi type Air Conditioner
 B-DMH18DB-1
Product Specifications
Service Manual
Indoor Unit
 Installation
Installation
InstallationParts
InstallationTools
 Indoor unit
Select the best location
Installation
Rooftop Installations
 Multi Piping Type
Piping length and elevation
16Multi type Air Conditioner
Installation
 Fixing Installation Plate
Installation
Service Manual
 18Multi type Air Conditioner
Flaring Work and Connection of Piping
Flaringwork
Flaring Work and Connection of Piping
 Flaring Work and Connection of Piping
Connecting the Piping
For right rear piping
Service Manual
 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
 Line voltage 208~230V
Connectthe cabletotheIndoorunit
Service Manual
Flaring Work and Connection of Piping
 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
 Drain piping
Checkingthedrainage
Service Manual
To check the drainage
 30Multi type Air Conditioner
Formingthe piping
 Air Purging and Evacuation
Service Manual
Air Purging and Evacuation
Checkingmethod
 Finishing the job
Evacuation
32Multi type Air Conditioner
Repeat evacuation procedure for each indoor unit
 Charging
Charging
Important:Unit is critically charge
 Prepare remote control
Test Running
Test Running
34Multi type Air Conditioner
 Operation
Operation
Functionofcontrol
1. MAIN UNIT FUNCTION
 Fuzzy Operation
36Multi type Air Conditioner
Operation
Defrost ControlHeating
 Operation
On-TimerOperation
Off-TimerOperation
Service Manual
 Operation
38Multi type Air Conditioner
Off-Timer = On-TimerOperation
Sleep Timer Operation
 Buzzer Sounding Operation
Service Manual
Operation
Forced Operation
 Time Delay Safety Control
FunctionofIndoorUnit
40Multi type Air Conditioner
Operation ON/OFF by Remote controller
 Operating Step
FunctionofOutdoor Unit
Service Manual
Operation
 7ON/OFF TIMER BUTTONS
RemoteControlOperation
42Multi type Air Conditioner
SETTING BUTTONS
 To remove the Grille from the Chassis
Disassembly
Disassembly
Indoor Unit
 3.To remove the Discharge Grille
44Multi type Air Conditioner
Disassembly
2. To remove the Control Box
 6.To remove the Cross-FlowFan
Service Manual
Disassembly
5.To remove the Motor Cover
 1.Indoor Unit
Schematic Diagram
Schematic Diagram
ElectronicControlDevice
 2. Outdoor Unit
Schematic Diagram
TMP87CM41F
 Schematic Diagram
48 Multi type Air Conditioner
 Service Manual
Wiring Diagram
1. Room Type Indoor Unit 2. Outdoor Unit
Schematic Diagram
 • BOTTOM VIEW
ComponentsLocations
1. Indoor Unit
•TOP VIEW
 2. Display ASSEMBLY 1 Split Type 6871A20682A
Schematic Diagram
 1 Component side
3. Outdoor Unit
52Multi type Air Conditioner
Schematic Diagram
 2 Solder side
Schematic Diagram
 54Multi type Air Conditioner
Troubleshooting Guide
RefrigerationCycleDiagram
Troubleshooting Guide
 Troubleshooting Guide
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
 Trouble
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
 Troubleshooting Guide
Trouble 4 When indoor Fan does not operate
When indoor Fan does not operate
60Multi type Air Conditioner
 Service Manual
Trouble 5 When the louver does not operate
When Vertical Louver does not operate
Troubleshooting Guide
 Trouble Shooting
ErrorCode
62Multi type Air Conditioner
Troubleshooting Guide
 Title
Troubleshooting Guide
Power input AC 230V.Outdoor, Indoor
• The connecting wires are misconnected
 Cause of error
64Multi type Air Conditioner
Troubleshooting Guide
Error
 Title
Service Manual
Troubleshooting Guide
Cause of error
 2-wayValve Liguid Side
2-way, 3-wayValve
2-way, 3-wayValve
66Multi type Air Conditioner
 2.Operate the unit for 10 to 15 minutes
1 Pumping down
Service Manual
2-way, 3-wayValve
 2-way, 3-wayValve
2 Evacuation
68Multi type Air Conditioner
7.Mount the valve caps and the service port caps
 After Evacuation
3 Gas Charging
Service Manual
2-way, 3-wayValve
 05/15/07
HEAT CONTROLLER, INC
1900 WELLWORTH AVENUE • JACKSON, MICHIGAN
THE QUALITY LEADER IN CONDITIONING AIR