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