Contents
Heat CONTROLLER, INC
Contents
Functions
Indoor Unit
Auto Wind
Remote Controller
Operation Owoff Operation Mode Selection
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
Outdoor Unit
Gas side
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
Auto Operation Electronic control mode
Intake AIR Temp Setting TEMP. +1F
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
Roof Top Installations
Selection of the best location
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 Pipings and the cable to Outdoor unit
Connecting the pipings to the 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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Temperature, Pressure, Ampere Chan
Settfemont of Outdoor Unit
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
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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
Cycle Troubleshooting Guide
Trouble analysis
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
Main PWB ASSYOutdoor Unit
Optional Function Model
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
Reversing Coil QTY Remark
PWB ASSY, Main SH-CAPACITOR
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
FAN Motor
2021-0024 I`J
MSS-018A MSH-018A
Support Valve High Pressure S/W Reversing Coil
SAT City Remark
PWBASSY,MAIN
Extra FAN Barrier ASM
UTY Remark
2035-0004 2035-0006
2021-0021 2050-0001
Heat CONTROLLER, INC