Mitsubishi Electronics MSZ-FA35VA, MSZ-FA25VA Information for Multi System AIR Conditioner

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INFORMATION FOR MULTI SYSTEM AIR CONDITIONER

OUTDOOR UNIT : MXZ series

Multi system air conditioner can connect two or more indoor units with one outdoor unit.

•Unit won’t operate in case the total capacity of indoor units exceeds the capacity of outdoor units. Do not connect indoor units beyond the outdoor unit capacity.

Operation indicator lamp flashes as shown in the figure below.

•When you try to operate two or more indoor units with one outdoor unit simultaneously, one for the cooling and the other for heating, the operation mode of the indoor unit that operates earlier is selected. The other indoor units which start the operation later cannot operate, indicating as shown in the figure below. In this case, please set all the indoor units to the same operation mode.

Lighted

Blinking

Not lighted

•When indoor units start the operation while the defrosting of outdoor unit is being done, it takes a few minutes (max. 10 minutes) to blow out the warm air.

•In the heating operation, though indoor unit that does not operate may get warm or the sound of refrigerant flowing may be heard, they are not malfunction. The reason is that the refrigerant continuously flows into it.

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Contents MSZ-FA25VA E1 MSZ-FA35VA E1 ContentsGeneralized stepping motor Technical ChangesFront panel opening/closing output gear Part Names and Functions Wash reset switch Open Closed Receiving sectionIndoor Unit MSZ-FA25VA MSZ-FA35VA See control operationRemote Controller MSZ-FA25VA E1 MSZ-FA35VA E1 AccessoriesSpecifications and rating conditions of main electric parts SpecificationWhen outdoor unit is MXZ type MSZ-FA25VA E1 Noise Criteria CurvesMSZ-FA35VA E1 MSZ-FA25VA E1 MSZ-FA35VA E1 Outlines and DimensionsIndoor Unit Unit mmRefrigerant System Diagram Wiring DiagramMSZ-FA25VA E1 Indoor Unit MSZ-FA35VA E1 Indoor UnitHow to modify the remote controller P.C. board Service FunctionsRemote controller model KM05A OperationRemote controller Troubleshooting Remove InstallOutdoor Unit MXZ series Information for Multi System AIR ConditionerOFF Failure mode recall functionTo identify the error.Refer to 9-6.For G Plasma Deodorizing Indoor unit failure mode tablePlasma AIR Purifying OFFStart Instruction of troubleshooting· Flashing of Power lamp indicates abnormalities Troubleshooting check tableAIR PlasmaPurifying Trouble criterion of main parts When Power lamp flashes 3-time Indoor fan does not operate Troubleshooting flowCheck of indoor fan motor Check of remote controller and receiver P.C. board Indoor electronic control P.C.Board LED How to check mis-wiring and serial signal errorCheck of installation of the horizontal vane Plasma Deodorizing 0V? Safety Deviceplasma UnitAIR Purifying 0V? Continuously flash?Indoor unit and outdoor unit do not operate Check of auto front panelYes Electromagnetic noise enters into TV sets or radiosPower monitor receiver P.C. board Test point diagram and voltagePlasma power P.C. board Indoor electronic control P.C. boardRemoving the panel Photo Disassembly InstructionsRemoving the electrical box Operating Procedure PhotosRemoving the vertical vane motor unit Photo Removing the horizontal vane motor unit PhotoRemoving the indoor fan motor and the line flow Photo FanRemoving the plasma power P.C. board Photo Accessory and Remote Controller Parts ListIndoor Unit Electrical Parts and Functional Parts Safety PlasmaIndoor Unit Heat Exchanger Motor Receiver P.C Board HolderDiagram E02 Symbol Qty/unit Part name Wiring509 504Deodorizing Ceramic Filter Optional PartsPage Specifications subject to change without notice