Heat Controller MSS-012B/A manual Heating Operation Modeonly Heating Model, Setting Temp, Indoor

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6. Heating Operation Mode(only Heating Model)

"

The unit will operate according to the setting conditions by the remote controller.

The operation diagram is shown below.

INTAKE AIR TEMP.

SETTING TEMP. +60F

(Compressor OFF)

	A	g	A
			A
SETTING TEMP.
(Compressor ON)	nwwrºm	r rwmm	rrvenn
	10	1 min.	tOSec
	loses	1 min.	tOSec

INDOOR	Selecting		I OFF	Selecting
INDOOR				Low I fan speed
FAN SPEED	tan speed	Low		Low I fan speed	Low	OFF
COMPRESSOR	ON		OFF	ON		OFF

"A point; While the indoor pipe temperature is higher than 95°F, indoor fan operates at low speed. When the indoor pipe temperature becomes lower than 95°F, indoor fan stops.

"B point; When the indoor pipe temperature Is higher than 82°F, fan operates at selected fan speed.

"

Hot-Start Control

"The Indoor fan stops until the indoor pipe temperature will be reached at 820F.

"During heating operation, if indoor pipe temperature falls below 78°F fan stops.

"The operation diagram is shown below.

INDOOR PIPE		1 min
TEMP.			ý-
82°F			ý
7
8OF
INDOOR FAN SPEED	OFF	LOW	Selecting	OFF
			fan speed
COMPRESSOR			ON

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Contents Heat CONTROLLER, INC Contents Functions Indoor UnitAuto Wind Remote Controller Operation Owoff Operation Mode SelectionFan Speed Selection Air Circulation Product SpecificationsCooling OnlyPower Supply 17Z,-W Oumw 1 ,260Product SpecificationsCooling & Heating Tubing hole cover Jzý, Installation plateIndoor Unit 9k, 12k 18k, 24kOutdoor Unit Gas sideModel DIM Refrigeration Cycle Diagram Cooling Only ModelsHeat Cooling & Heating ModelsCamay a Heating Evaporator I / \MSS-012, MSS-018, MS18, MSS-024, MSF4424 Indoor Wiring DiagramIndoor Wiring Diagram Iroom18k 24k Outdoor Unit Cooling Only Models9k, 12k LO.a12k 18k 24k Function of main control Time delay Safety ControlCooling Operation Mode Airflow Direction ControlAuto Operation Electronic control mode Intake AIR Temp Setting TEMP. +1FSetting TEMP. -10F MODE2 MODE3 MODE4 Modes ModeoMODE1rStart EndSelecting Low Soft Dry Operation ModeIntake AIR TE OFF CompressorHeating Operation Modeonly Heating Model Intake AIR Temp Setting TEMP. +60FSetting Temp IndoorDefrost OFF Rý uPipe Temp Defrost onCooling or Heating Mode with Sleep Mode Auto Control Setting TEMP. -1FCrank Case Heater Coil Controlonly Heating model Setting TempForced Operation ICJIndoor OutdoorBuzzer Sound Display FunctionSelf-diagnosis Function DiagnosisWhen connecting refrigerant tubing InstallationIs toxic when burned When servicingRoof Top Installations Selection of the best locationPiping length and the elevation Wire or gas line can cause death or injury Indoor Unit InstallationAvoid areas where electrical wiring, conduits or Lower left and right side of Installation PlateStarted Poo Piping and Drainage of Indoor UnitPreparation of Pipings 113 H IW-0Connection of Pipings For right rear pipingLlj 5kgm39.8ft.ibsFor the left pipings Indoor unit installation Insert the connecting cable into the indoor unitTape the tubing, drain hose and the connecting Installation plate. Engage the two hooks of the rearDrain hose Taping Connecting Pipings and the cable to Outdoor unit Connecting the pipings to the Outdoor unitConnection of the cable Terminals and fasten the wire tightly with the fixing screw 2sanoevChecking the Drainage Connect the cable to the indoor unit Attach the Grille onto the cabinetBwid Forming the pipingsPage Page Temperature, Pressure, Ampere Chan Settfemont of Outdoor UnitEvaluation of theperformance Sleep Mode Auto Button Name and Function-Remote ControllerMG OFF Timer Button Operation displayQs Operation Mode Selection Button Start/Stop ButtonRemove the securing screws Be careful not to lose the clip when reassem- blingCooling & Heating To remove the Control BoxRemove 2 securing screws Page To remove the Grille from the Chassis To remove the Control BoxRemove three screws fixing control box and motor To remove the Discharge GrilleTo remove the Evaporator Unhook the tab on the left inside edgeTo remove the Cross-Flow Fan To remove the Fan MotorCycle Troubleshooting Guide Trouble analysisCause of Trouble Display PWB Assy Check Connector related to CN-DC/DC Turn off Main Power Cý After 10 secondsConnector related to CN-POWER Connector related to CN-FAN Does beeping sound is made from the Indoor Unit?Product Is not operate with the remote controller R751K C711000PF Micom PIN Check Receiver AssyTurn on Main Power Compressor/Outdoor Fan are unable to driveWhen Indoor Fan does not operate When Vertical Louver does not operate When a comunication error occurs Operation indicator of Indoor unit blinks five timesCN-UP/DOWN Phenomena in case of connecting errorIndoor Unit CN-THOutdoor Unit CN-POWER RY-COMP+0 , ý CN-TRANS CN-FANVoltage of Connectors according to Indoor Fan Speed Electronic Control Device Optional FunctionMain PWB ASSYOutdoor Unit Optional Function Model1OK ASM 18k, 24kLDt ftn LD2 LD4Schematic Diagram Page BA ýJ Heat OTY Remark Plate InstallationRemote Controller Parts Name ControllerIndoor Unit18k, 24k Parts Name Motor Assy Chassis Assy7DDD \ , \ Tom, .ý M m mmReversing Valve Reversing Coil 9k, 12kBase Weld ASM Condenser Compressor ASM Front Panel Assy31 CAP BarrierTOP Cover ASM Rear Panel Capillary Final ASM HEATERCRANK-CASE1 Heat QTY RemarkOutdoor Unit18k `Ty L8k MSS-018A MSH-018A171 Reversing Coil QTY Remark PWB ASSY, Main SH-CAPACITORClamp Capacitor Controller Assy Check Valve CAPILLARY, Bent PANEL, Rear CAPILLARY, Bent Panel Cover Control29 CAP 2021-00249O2k Remark R means service partsICJ No MSS-009B MSS-012B 2021-00012021-0001 2021-0074 2010-0003 2021-0069 2021-0005 Plate Installation Holder Tube Motor Assy Chassis AssyMSS-0188 MSH-018B FAN Assy CrossService VALVE1/4 Service VALVE112 GQ 21kFinal ASM TOP Cover ASMCapillary HEATERCRANK-CASEHigh Pressure S/W Reversing ValveFAN Motor 2021-0024 I`JMSS-018A MSH-018A Support Valve High Pressure S/W Reversing Coil SAT City RemarkPWBASSY,MAIN 2021-0021 2050-0001 UTY Remark2035-0004 2035-0006 Extra FAN Barrier ASMHeat CONTROLLER, INC