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