Mitsubishi Electronics PCH30GK, PCH24GK Specifications are subject to change without notice

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3400 Lawrenceville Suwanee Road ● Suwanee, Georgia 30024

Toll Free: 800-433-4822 ● Toll Free Fax: 800-889-9904

www.mrslim.com

Specifications are subject to change without notice.

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Contents Contents OC277-1Features OC277-2OC277-3 Easy Maintenance no Maintenance Necessary for 2500 HoursImproving Efficiency of Piping Work Part Names and Functions OC277-4Remote controller operation buttons OC277-5Remote controller display OC277-6OC277-7 SpecificationsModels PCH24GK, PCH30GK, PCH36GK, PCH42GK Models PCH24GK, PCH30GK, PCH36GK, PCH42GK Performance Data DataOC277-8 CFM SHC TPCOC277-9 CFMOC277-10 Performance CurveOC277-11 PCH36GK Cooling Capacity PCH36GK Heating CapacityOC277-12 Condensing Pressure and Suction PressureOC277-13 PCH30GKOC277-14 PCH36GKOC277-15 PCH42GKStandard Operation Data OC277-16SHF PCH24GK PCH30GK PCH36GK PCH42GK Outlet AIR Speed and Coverage Range OC277-17Operating Range Additional Refrigerant Charge R22ozPCH30GK OC277-18Noise Criterion Curves PCH24GK PCH36GK PCH42GKOC277-19 Outlines and DimensionsIndoor unit PCH24GK OC277-20 Indoor unit PCH30/36/42GKOC277-21 Refrigerant System DiagramRemote controller PCH30GK PCH36GK PCH42GKModel PCH24/30/36/42GK Wiring Diagram Wiring DiagramOC277-22 OC277-23 Operation FLOW-CHARTMain Operation OC277-24 Cooling OperationDRY OC277-25DRY Operation YESOC277-26 Heating OperationOC277-27 Microprocessor ControlOutline of Microprocessor Control Indoor Unit Control How to operateOC277-28 Compressor controlCoil frost protection OC277-29Start condition Termination conditionsSwing OC277-30Auto vane control Auto ReturnDetecting abnormalities in the outdoor unit OC277-31Range a Range B Range C OC277-32 DRY operation time chart How to operateDRY operation OC277-33 Heat operation Heat operation time chartOC277-34 Display in Heat operationBooster heater control OC277-35Overheat protection Overheat preventionOC277-36 Indoor coil temperature abnormality detectionDefrosting operation Temperature range Initial mode How to operateMode change OC277-37COOL/DRY operation OC277-38Auto return OC277-39 Timer operationTimer function Test run Before test runEmergency operation OC277-40Before emergency operation OC277-41 Dip switch functionsOn remote controller board On indoor controller boardPCH24GK PCH30GK PCH36GK PCH42GK SW7 OFF Fan motor max. rotational frequency Service RefOC277-42 PCH36, 42GKRemote Controller Display Abnormality Trouble ShootingOC277-43 OC277-44 When malfunction occurs during operationFor group control using one remote controller Example Check Unit code addressOC277-45 Cool Wrong Wiring on SiteOC277-46 HeatOC277-47 Other Troubles and CausesOC277-48 How to check the partsPCH OC277-49 Variety of System Control Functions System ControlOC277-50 PAC-SA89TA-EHow to set unit-address Group Control with a Single Remote ControllerHow to wire OC277-51How to set SW17-7 See Figure Control Using TWO Remote ControllersRemote ON-OFF and Individual Remote Controls Remote controller LCD indicationSwitch function of remote ON-OFF switch Individual Control by Grouping the Remote ControllersBasic wiring OC277-53OC277-54 Multiple Remote Control DisplayTimer Operation or the Operation by AN External Signal Auto Restart FunctionOC277-55 Disassembly ProcedurePCH24GK Operating Procedure Removing the air intake grilleRemoving the sirocco fan OC277-56Removing the fan motor Removing the side panelRemoving the vane motor Operating Procedure PhotosOC277-57 Removing the Indoor coil thermistorRemoving the guide vane OC277-58Removing the drain pan Remove the intake grilleRemoving the support heater OC277-59Removing the heat exchanger OC277-60 Parts ListStructural Part PCH24GK OC277-61 OC277-62 Structural Part PCH30GK PCH36GK PCH42GKOC277-63 OC277-64 FAN and Heater Parts PCH24GKOC277-65 FAN and Heater Parts PCH30GK PCH36GK PCH42GKOC277-66 Electrical Parts PCH24GK10 PCH30GK PCH36GK PCH42GKOptional Parts TimerOC277-67 Names and functions PAC-SC32PTA Weekly Timer Setting DisplayOC277-68 SET Back DisplayOC277-69 Timer AdapterMultiple Remote Controller Adapter Refrigerant PipesSpecifications are subject to change without notice