Heat Controller DMH24DB-1, DMC24DB-1 Connecting the Cable between Indoor Unit and Outdoor Unit

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Flaring Work and Connection of Piping

Connecting the Cable between Indoor Unit and Outdoor Unit

Connectthe cabletotheIndoor unit.

Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individually according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and the terminal No. are the same as those of the indoor unit.)

The earth wire should be longer than the common wires. The circuit diagram is not subject to change without notice.

When installing, refer to the electrical diagram behind the front panel of Indoor Unit.

The wiring for the outdoor unit can be found on the inside of the Outdoor Unit control cover.

WARNING:

• The circuit diagram is not subject to change without notice.

Be sure to connect wires according to the wiring diagram.

Connect the wires firmly, so that not to be pulled out easily.

Connect the wires according to color codes by referring to the wiring diagram.

WARNING: Provide a circuit breaker between power source and the outdoor unit as shown below.

Main power source

 

Air

Circuit Breaker

Conditioner

Use a circuit breaker

 

or time delay fuse.

WARNING: The power cord connected to the outdoor unit should be complied with the following speci- fications (ETL recognized and CSA certified).

Line voltage (208~230V)

GN/YL 20mm

Wire gauge per

MCA on unit name plate and local and national code.

The power connecting cable connected to the indoor and outdoor unit should be complied with the fol- lowing specifications (ETL recognized and CSA certified).

Low voltage (below 40V)

AWG18

GN/YL 20mm

WARNING: When using the separate wire as the power cord, please fix the separate wire into the con- trol box panel by using tie wrap as the fixture.

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Contents Heat CONTROLLER, INC Table of Contents Combination table Symbols Used in this ManualInstallation Safety PrecautionsBe sure not to do Be sure to follow the instruction Control box securely Cuit and breakerDo not install the product on a Do not install, remove, or reDefective installation stand Do not allow water to run into electric partsNot enter the product When the product is soakedFlooded or submerged, contact Installing the product Install the drain hose to ensure that Keep level even whenUse two or more people to lift and transport the product Operational Be careful and avoid personal injury Indoor Unit DimensionsSplit Type Indoor 24kBtu/h Outdoor UnitDMC24DB-1 Product SpecificationsOperation UnitDMH24DB-1 Installation Parts InstallationInstallation Tools Select the best location Rooftop InstallationsIndoor unit Outdoor unitMulti Piping Type Piping length and elevation24k Fixing Installation PlateStandard Type Flaring work Flaring Work and Connection of PipingCheck Connecting the PipingIndoor Wrap the insulation material around the connecting por- tion For left rear piping Plastic bands Insulation material Connection Indoor Remote Control Preparationoptional Outdoor unit OutdoorConnect the cable to the Indoor unit Connecting the Cable between Indoor Unit and Outdoor UnitOutdoor unit Connect the cable to the Outdoor unitHow to connect wiring to the terminals Connection method of the connecting cableExampleConnect the cable to the indoor unit To check the drainage Checking the drainageDrain piping Down to up Forming the pipingChecking method Air Purging and EvacuationEvacuation Repeat evacuation procedure for each indoor unitFinishing the job Additional ChargingSplit Type Test RunningSoft Dry Operation Mode Cooling Mode OperationHeating Mode Operation OperationFuzzy Operation Defrost ControlHeatingFuzzy Operation for Cooling Off-Timer Operation On-Timer OperationAirflow Speed Selection Fuzzy Operation for DehumidificationSleep Timer Operation Off-Timer = On-Timer OperationChaos Swing Mode Chaos Natural Wind ModeBuzzer Sounding Operation Forced OperationSplit Type Indoor Unit Function of Indoor UnitFunction of Outdoor Unit Cooling Model , Heat Pump Model Remote Control Operation15 2nd F Button To remove the Grille from the Chassis DisassemblyTo remove the Control Box To remove the Motor Cover Electronic Control Device Schematic DiagramIndoor Unit TMP87CM41F Outdoor UnitRY-4WAY RY-LIQ RY-GAS RY-FANL RY-FANH Room Type Indoor Unit Wiring DiagramBottom View Components LocationsDisplay Assembly Split Type 6871A20680 Component side Solder side Refrigeration Cycle Diagram Troubleshooting GuideDMH24DB-1 DMC24DB-1Outdoor Error Indoor ErrorError Indicator Self-diagnosis FunctionTrouble analysis Cycle Troubleshooting GuideProcedure Specification Remedy Electronic Parts Troubleshooting GuideProduct doesnt operate with the remote controller Check Point Comp. on Comp. OFF Compressor/Outdoor Fan are dont operateNector Trouble 4 When indoor Fan does not operateTroubleshooting Guide Check Point Error CodeIndoor air sensor Indoor inlet pipe sensorCommunication line is shorted at GND Power input AC 230V.Outdoor, IndoorError Title Cause of error Check point & Normal condition Outdoor air sensor Title Cause of error Check point & Normal conditionCondensor pipe sensor Pipe sensorWay Valve Liguid Side Way, 3-way ValvePumping down ProcedureAir purging of the charge hose Set the liquid side valve to the closed positionEvacuation Mount the valve caps and the service port capsAll amount of refrigerant leaked Gas Charging Mount the valve stem nuts and the service port nutAfter Evacuation Connect the gauge to the charging cylinderHeat CONTROLLER, INC
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