Heat CONTROLLER, INC
 Contents
 Indoor Unit
Functions
Auto Wind
 Operation Owoff Operation Mode Selection
Remote Controller
Fan Speed Selection
 Oumw 1 ,260
Product SpecificationsCooling Only
Power Supply 17Z,-W
Air Circulation
 Product SpecificationsCooling & Heating
 9k, 12k 18k, 24k
Jzý, Installation plate
Indoor Unit
Tubing hole cover
 Gas side
Outdoor Unit
Model DIM
 Cooling Only Models
Refrigeration Cycle Diagram
 Evaporator I / \
Cooling & Heating Models
Camay a Heating
Heat
 Iroom
Indoor Wiring Diagram
Indoor Wiring Diagram
MSS-012, MSS-018, MS18, MSS-024, MSF4424
 LO.a
Outdoor Unit Cooling Only Models
9k, 12k
18k 24k
 12k 18k 24k
 Airflow Direction Control
Time delay Safety Control
Cooling Operation Mode
Function of main control
 Intake AIR Temp Setting TEMP. +1F
Auto Operation Electronic control mode
Setting TEMP. -10F
 End
Modeo
MODE1rStart
MODE2 MODE3 MODE4 Modes
 OFF Compressor
Soft Dry Operation Mode
Intake AIR TE
Selecting Low
 Indoor
Intake AIR Temp Setting TEMP. +60F
Setting Temp
Heating Operation Modeonly Heating Model
 Defrost on
Rý u
Pipe Temp
Defrost OFF
 Setting TEMP. -1F
Cooling or Heating Mode with Sleep Mode Auto Control
 ICJ
Setting Temp
Forced Operation
Crank Case Heater Coil Controlonly Heating model
 Outdoor
Indoor
 Diagnosis
Display Function
Self-diagnosis Function
Buzzer Sound
 When servicing
Installation
Is toxic when burned
When connecting refrigerant tubing
 Selection of the best location
Roof Top Installations
Piping length and the elevation
 Lower left and right side of Installation Plate
Indoor Unit Installation
Avoid areas where electrical wiring, conduits or
Wire or gas line can cause death or injury
 113 H IW-0
Piping and Drainage of Indoor Unit
Preparation of Pipings
Started Poo
 For right rear piping
Connection of Pipings
 5kgm39.8ft.ibs
Llj
 For the left pipings
 Installation plate. Engage the two hooks of the rear
Insert the connecting cable into the indoor unit
Tape the tubing, drain hose and the connecting
Indoor unit installation
 Drain hose Taping
 Connecting the pipings to the Outdoor unit
Connecting Pipings and the cable to Outdoor unit
Connection of the cable
 2sanoev
Terminals and fasten the wire tightly with the fixing screw
 Checking the Drainage
 Attach the Grille onto the cabinet
Connect the cable to the indoor unit
 Forming the pipings
Bwid
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 Settfemont of Outdoor Unit
Temperature, Pressure, Ampere Chan
Evaluation of theperformance
 Operation display
Name and Function-Remote Controller
MG OFF Timer Button
Sleep Mode Auto Button
 Start/Stop Button
Qs Operation Mode Selection Button
 To remove the Control Box
Be careful not to lose the clip when reassem- bling
Cooling & Heating
Remove the securing screws
 Remove 2 securing screws
Page
 To remove the Control Box
To remove the Grille from the Chassis
 Unhook the tab on the left inside edge
To remove the Discharge Grille
To remove the Evaporator
Remove three screws fixing control box and motor
 To remove the Fan Motor
To remove the Cross-Flow Fan
 Trouble analysis
Cycle Troubleshooting Guide
Cause of Trouble
 Does beeping sound is made from the Indoor Unit?
Turn off Main Power Cý After 10 seconds
Connector related to CN-POWER Connector related to CN-FAN
Display PWB Assy Check Connector related to CN-DC/DC
 R751K C711000PF Micom PIN Check Receiver Assy
Product Is not operate with the remote controller
 Compressor/Outdoor Fan are unable to drive
Turn on Main Power
 When Indoor Fan does not operate
 When Vertical Louver does not operate
 Operation indicator of Indoor unit blinks five times
When a comunication error occurs
 CN-TH
Phenomena in case of connecting error
Indoor Unit
CN-UP/DOWN
 CN-TRANS CN-FAN
CN-POWER RY-COMP
+0 , ý
Outdoor Unit
 Voltage of Connectors according to Indoor Fan Speed
 Optional Function
Electronic Control Device
 Optional Function Model
Main PWB ASSYOutdoor Unit
1OK
 LD2 LD4
18k, 24k
LDt ftn
ASM
 Schematic Diagram
Page
 BA ýJ
 Parts Name Controller
Plate Installation
Remote Controller
Heat OTY Remark
 Indoor Unit18k, 24k
 Motor Assy Chassis Assy
Parts Name
 Tom, .ý M m mm
7DDD \ , \
 Front Panel Assy
9k, 12k
Base Weld ASM Condenser Compressor ASM
Reversing Valve Reversing Coil
 Capillary Final ASM HEATERCRANK-CASE1 Heat QTY Remark
Barrier
TOP Cover ASM Rear Panel
31 CAP
 Outdoor Unit18k
 `Ty
 MSS-018A MSH-018A
L8k
 171
 PWB ASSY, Main SH-CAPACITOR
Reversing Coil QTY Remark
Clamp Capacitor Controller Assy Check Valve CAPILLARY, Bent
 2021-0024
CAPILLARY, Bent Panel Cover Control
29 CAP
PANEL, Rear
 MSS-009B MSS-012B 2021-0001
Remark R means service parts
ICJ No
9O2k
 FAN Assy Cross
Plate Installation Holder Tube Motor Assy Chassis Assy
MSS-0188 MSH-018B
2021-0001 2021-0074 2010-0003 2021-0069 2021-0005
 GQ 21k
Service VALVE1/4 Service VALVE112
 HEATERCRANK-CASE
TOP Cover ASM
Capillary
Final ASM
 Reversing Valve
High Pressure S/W
 2021-0024 I`J
FAN Motor
MSS-018A MSH-018A
 SAT City Remark
Support Valve High Pressure S/W Reversing Coil
PWBASSY,MAIN
 Extra FAN Barrier ASM
UTY Remark
2035-0004 2035-0006
2021-0021 2050-0001
 Heat CONTROLLER, INC