Heat Controller B-MMC09FA-1, B-MMH12FA-1, B-MMC12FA-1, B-MMH09FA-1, A-MMH24FA-1 Table of Contents

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Wall Mounted Multi-Zone Split System Air Conditioner Service Manual
TABLE OF CONTENTS
Combination table	3
Safety Precautions	4
Seaside applications and installation	10
Dimensions	11
Indoor Unit	11
Outdoor Unit	12
Product Specifications	15
Indoor Unit	15
Outdoor Unit	16
Installation	19
Installation Parts	19
Installation Tools	19
Selecting the best location	20
Piping length and elevation	21
Installing installation Plate(Standard Type)	22
Drilling the hole in the wall	22
Flaring Work and Connection of Piping	23
Flaring work	23
Connecting the Piping	24
Connecting the Cable between Indoor Unit and Outdoor Unit	31
Connect the cable to the Indoor unit	31
Connect the cable to the Outdoor unit	32
Methods of connecting the cable	33
Checking the Drainage, Insulating the pipe and special piping applications	35
Checking the drainage	35
Insulating the pipe and special piping applications	36
Air Purging and Evacuation	37
Leak checking	37
Evacuation	38
Charging	39
Test Running	40
Operation	41
Function of control	41
Function of Indoor Unit	46
Function of Outdoor Unit	47
Remote Control Operation	48
Disassembly	49
Indoor Unit	49
Schematic Diagram	52
Electronic Control Device	52
Wiring Diagram	55
Component Locations	57
Troubleshooting Guide	61
Refrigeration Cycle Diagram	61
Self-diagnosis Function	64
Cycle Troubleshooting Guide	65
Electronic Parts Troubleshooting Guide	66
Error Code	72
2-way,3-way Valve	76
Exploded View	80
Indoor Unit	80
Outdoor Unit	81

Wall Mounted Multi-Zone Split System Air Conditioner

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Contents Heat CONTROLLER, INC Table of Contents KBtu/h 3 rooms Symbols Used in this ManualKBtu/h 2 rooms Be sure not to do Be sure to follow the instruction Safety PrecautionsInstallation Control box securely Cuit and breakerDefective installation stand Do not install, remove, or reDo not install the product on a Do not allow water to run into electric partsFlooded or submerged, contact When the product is soaked Be cautious that water canNever enter the product Use two or more people to lift and transport the product Install the drain hose to ensure that Keep level even whenInstalling the product Operational Do not use the remote is the batteries have leaked Seaside applications and installation Selecting the locationOutdoor UnitSplit Type Indoor DimensionsIndoor Unit Outdoor Unit 18kBtu/h24kBtu/h UE2 36kBtu/hProduct Specifications Indoor Unit Type Wall Mounted ModelOutdoor Unit Multiple piping models MMC18FA-1 MMH18FA-1MMC24FA-1 MMH24FA-1 MMC36FA-1 MMH36FA-1 Installation Tools InstallationInstallation Parts Selecting the best location 18 / 24 kBtu/h KBtu/h Piping length and elevationMulti Piping Type Installing Installation PlateStandard Type Drilling the hole in the wallFlaring Work and Connection of Piping Flaring workIndoor Connecting the PipingCheck Indoor unit installation Wrap the insulation material around the all connectionsFor left rear piping Wrap the insulation material around the connecting por- tion Good case Bad caseRemote Control Preparationoptional Outdoor unit 36 kBtu/h OutdoorOutdoor unit 18/24 kBtu/h Connect the cable to the Indoor unit Tions ETL recognized and CSA certifiedConnect the cable to the Outdoor unit Outdoor unitMethods of connecting the cable How to connect wiring to the terminalsModel Drain piping Checking the drainageTo check the drainage Secure the taped piping along the exterior wall using Insulating the Pipe and Special Piping ApplicationsPreparation Air Purging and EvacuationLeak checking Leakage testFinishing the job Repeat evacuation procedure for each indoor unitEvacuation Charging AdditionalTest Running Split TypeHeating Mode Operation Cooling Mode OperationSoft Dry Operation Mode OperationFuzzy Operation for Cooling Defrost ControlHeatingFuzzy Operation Airflow Speed Selection On-Timer OperationOff-Timer Operation Fuzzy Operation for DehumidificationChaos Swing Mode Off-Timer = On-Timer OperationSleep Timer Operation Chaos Natural Wind ModeForced Operation Buzzer SoundFunction of Indoor Unit Split Type Indoor UnitFunction of Outdoor Unit Cooling Model , Heat Pump Model Remote Control OperationTime Setting Buttons Used to adjust the time Disassembly To remove the Grille from the ChassisTo remove the Control Box To remove the Motor Cover Indoor Unit Schematic DiagramElectronic Control Device Outdoor Unit TMP87CM41FRY-4WAY RY-LIQ RY-GAS RY-FANL RY-FANH Wiring Diagram Indoor Unit Outdoor UnitMMC24FA-1 Component Locations Bottom ViewDisplay Assembly Split Type 6871A20680 Component side Solder side MMC18FA-1 Troubleshooting GuideRefrigeration Cycle Diagram MMH18FA-1MMH24FA-1 MMC36FA-1 MMH36FA-1Error Indicator Indoor ErrorOutdoor Error Self-diagnosis FunctionCycle Troubleshooting Guide Trouble analysisElectronic Parts Troubleshooting Guide Procedure Specification RemedyProduct doesnt operate with the remote controller Compressor/Outdoor Fan dont operate Check Point Comp. on Comp. OFFTrouble 4 When indoor Fan does not operate NectorVoltage of Connectors according to Indoor Fan Speed RY-COMP-BWhen Vertical Louver does not operate Indoor air sensor Error CodeCheck Point Indoor inlet pipe sensorCommunication line is shorted at GND Description Cause of error Check point & Normal conditionPower input AC 230V.Outdoor, Indoor Comp OFF Pipe sensor Outdoor air sensorCondensor pipe sensor Way, 3-way Valve Way Valve Liguid SideProcedure Pumping downAll the refrigerant leaked Replace the valve and service port capsEvacuation After Evacuation Replace the valve stem nuts and the service port nutGas Charging Connect the gauge to the charging cylinderExploded View Model B-MMC09FA-1, B-MMH09FA-1, B-MMC12FA-1, B-MMH12FA-1Model A-MMC18FA-1, A-MMH18FA-1 Model A-MMC24FA-1, A-MMH24FA-1 Model A-MMC36FA-1, A-MMH36FA-1 Heat CONTROLLER, INC 08/06/2008