Heat Controller A-MMC36FA-1 Gas Charging, After Evacuation, Purge the air from the charge hose

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2-way, 3-way Valve

(3) Gas Charging

(After Evacuation)

Indoor unit

Liquid side

 

Open

Outdoor unit

2-Way

valve

Gas side

Open

3-Way

valve

Indoor unit

Liquid side

 

Open

2-Way

valve

Gas side

Open

3-Way

valve

Charging

manifold gauge

cylinder

 

Low-handle

Check valve (OPEN)Hi- handle (OPEN)

Procedure

1.Connect the gauge to the charging cylinder.

-Connect the charge hose, which you discon- nected from the vacuum pump, to the valve at the bottom of the cylinder.

-If you are using a gas cylinder, also use a scale and reverse the cylinder so that the system can be charged with liquid.

2.Purge the air from the charge hose.

-Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air. The procedure is the same if using a gas cylinder.

3.Open the low handle on the gauge and charge the system with liquid refrigerant.

-If the system can not be charged with the specified amount of refrigerant, it can be charged with a little at a time (approximately 150g(5.29oz) each time) while oper- ating the air conditioner in the cooling cycle; however, one time is not sufficient, wait approximately 1 minute and then repeat the procedure(pumping down-pin).

4.Immediately disconnect the charge hose from the gas side valve's service port.

This is different from previous procedures. Because you are charging with liquid refrigerant from the gas side, absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner.

-Stopping part way will allow the gas to be discharged.

-If the system has been charged with liquid refrig- erant while operating the air conditioner turn off the air conditioner before disconnecting the hose.

5.Replace the valve stem nuts and the service port nut.

-Use torque wrench to tighten the service port nut to a torque as indicated below.

Outside diameter

 

Turque

mm

inch

kg.m

 

lbf.in

Ø6.35

1/4

1.8

 

156.2

Ø9.52

3/8

4.2

 

364.5

Ø12.7

1/2

5.5

 

477.4

 

 

 

 

 

- Be sure to check for gas leakage.

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Service Manual

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Contents Heat CONTROLLER, INC Table of Contents KBtu/h 2 rooms Symbols Used in this ManualKBtu/h 3 rooms Control box securely Cuit and breaker Safety PrecautionsInstallation Be sure not to do Be sure to follow the instructionDo not allow water to run into electric parts Do not install, remove, or reDo not install the product on a Defective installation standNever enter the product When the product is soaked Be cautious that water canFlooded 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 Do not use the remote is the batteries have leaked Selecting the locationOutdoor Unit Seaside applications and installationIndoor Unit DimensionsSplit Type Indoor 18kBtu/h Outdoor Unit24kBtu/h 36kBtu/h UE2Indoor Unit Type Wall Mounted Model Product SpecificationsMMC18FA-1 MMH18FA-1 Outdoor Unit Multiple piping modelsMMC24FA-1 MMH24FA-1 MMC36FA-1 MMH36FA-1 Installation Parts InstallationInstallation Tools Selecting the best location Multi Piping Type Piping length and elevation18 / 24 kBtu/h KBtu/h Drilling the hole in the wall Installing Installation PlateStandard TypeFlaring work Flaring Work and Connection of PipingCheck Connecting the PipingIndoor Wrap the insulation material around the all connections Indoor unit installationFor left rear piping Wrap the insulation material around the connecting por- tion Bad case Good caseRemote Control Preparationoptional Outdoor unit 18/24 kBtu/h OutdoorOutdoor unit 36 kBtu/h Tions ETL recognized and CSA certified Connect the cable to the Indoor unitOutdoor unit Connect the cable to the Outdoor unitHow to connect wiring to the terminals Methods of connecting the cableModel To check the drainage Checking the drainageDrain piping Insulating the Pipe and Special Piping Applications Secure the taped piping along the exterior wall usingLeakage test Air Purging and EvacuationLeak checking PreparationEvacuation Repeat evacuation procedure for each indoor unitFinishing the job Additional ChargingSplit Type Test RunningOperation Cooling Mode OperationSoft Dry Operation Mode Heating Mode OperationFuzzy Operation Defrost ControlHeatingFuzzy Operation for Cooling Fuzzy Operation for Dehumidification On-Timer OperationOff-Timer Operation Airflow Speed SelectionChaos Natural Wind Mode Off-Timer = On-Timer OperationSleep Timer Operation Chaos Swing ModeBuzzer Sound Forced OperationSplit Type Indoor Unit Function of Indoor UnitFunction of Outdoor Unit Time Setting Buttons Used to adjust the time Remote Control OperationCooling Model , Heat Pump Model 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 Indoor Unit Outdoor Unit Wiring DiagramMMC24FA-1 Bottom View Component LocationsDisplay Assembly Split Type 6871A20680 Component side Solder side MMH18FA-1 Troubleshooting GuideRefrigeration Cycle Diagram MMC18FA-1MMH24FA-1 MMH36FA-1 MMC36FA-1Self-diagnosis Function Indoor ErrorOutdoor Error Error IndicatorTrouble 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 dont operateNector Trouble 4 When indoor Fan does not operateRY-COMP-B Voltage of Connectors according to Indoor Fan SpeedWhen Vertical Louver does not operate Indoor inlet pipe sensor Error CodeCheck Point Indoor air sensorPower input AC 230V.Outdoor, Indoor Description Cause of error Check point & Normal conditionCommunication line is shorted at GND Comp OFF Condensor pipe sensor Outdoor air sensorPipe sensor Way Valve Liguid Side Way, 3-way ValvePumping down ProcedureEvacuation Replace the valve and service port capsAll the refrigerant leaked Connect the gauge to the charging cylinder Replace the valve stem nuts and the service port nutGas Charging After EvacuationModel B-MMC09FA-1, B-MMH09FA-1, B-MMC12FA-1, B-MMH12FA-1 Exploded ViewModel A-MMC18FA-1, A-MMH18FA-1 Model A-MMC24FA-1, A-MMH24FA-1 Model A-MMC36FA-1, A-MMH36FA-1 08/06/2008 Heat CONTROLLER, INC