Mitsubishi Electronics PCH24GK, PCH36GK, PCH30GK, PCH42GK Part Names and Functions, OC277-4

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PART NAMES AND FUNCTIONS

●Indoor (Main) Unit

Air outlet

Up/down guide vanes

Change the direction of airflow from the vartical blower.

Left/right guide vanes

Change the direction of airflow from the horizontal blower.

Long-life fillter

Removes dust and foreigh matter from air coming in through the grille (Recommended cleaning interval : Approx, every 2,500 operating hours)

Air intake

Intake grille

OC277-4

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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 Data OC277-8Models PCH24GK, PCH30GK, PCH36GK, PCH42GK Performance Data 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 OC277-17 Operating RangeOutlet AIR Speed and Coverage Range Additional Refrigerant Charge R22ozOC277-18 Noise Criterion Curves PCH24GKPCH30GK PCH36GK PCH42GKOC277-19 Outlines and DimensionsIndoor unit PCH24GK OC277-20 Indoor unit PCH30/36/42GKRefrigerant System Diagram Remote controllerOC277-21 PCH30GK PCH36GK PCH42GKModel PCH24/30/36/42GK Wiring Diagram Wiring DiagramOC277-22 OC277-23 Operation FLOW-CHARTMain Operation OC277-24 Cooling OperationOC277-25 DRY OperationDRY YESOC277-26 Heating OperationOC277-27 Microprocessor ControlOutline of Microprocessor Control How to operate OC277-28Indoor Unit Control Compressor controlOC277-29 Start conditionCoil frost protection Termination conditionsOC277-30 Auto vane controlSwing 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 time chart OC277-34Heat operation Display in Heat operationOC277-35 Overheat protectionBooster heater control Overheat preventionOC277-36 Indoor coil temperature abnormality detectionDefrosting operation Initial mode How to operate Mode changeTemperature range OC277-37COOL/DRY operation OC277-38Auto return Timer operation Timer functionOC277-39 Test run Before test runEmergency operation OC277-40Before emergency operation Dip switch functions On remote controller boardOC277-41 On indoor controller boardFan motor max. rotational frequency Service Ref OC277-42PCH24GK PCH30GK PCH36GK PCH42GK SW7 OFF PCH36, 42GKRemote Controller Display Abnormality Trouble ShootingOC277-43 When malfunction occurs during operation For group control using one remote controllerOC277-44 Example Check Unit code addressOC277-45 Wrong Wiring on Site OC277-46Cool HeatOC277-47 Other Troubles and CausesOC277-48 How to check the partsPCH OC277-49 System Control OC277-50Variety of System Control Functions PAC-SA89TA-EGroup Control with a Single Remote Controller How to wireHow to set unit-address OC277-51Control Using TWO Remote Controllers Remote ON-OFF and Individual Remote ControlsHow to set SW17-7 See Figure Remote controller LCD indicationIndividual Control by Grouping the Remote Controllers Basic wiringSwitch function of remote ON-OFF switch OC277-53Multiple Remote Control Display Timer Operation or the Operation by AN External SignalOC277-54 Auto Restart FunctionDisassembly Procedure PCH24GK Operating ProcedureOC277-55 Removing the air intake grilleOC277-56 Removing the fan motorRemoving the sirocco fan Removing the side panelOperating Procedure Photos OC277-57Removing the vane motor Removing the Indoor coil thermistorOC277-58 Removing the drain panRemoving the guide vane 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 PAC-SC32PTA Weekly Timer Setting Display OC277-68Names and functions SET Back DisplayTimer Adapter Multiple Remote Controller AdapterOC277-69 Refrigerant PipesSpecifications are subject to change without notice