Mitsubishi Electronics MSZ-FA25VA, MSZ-FA35VA Technical Changes, Generalized stepping motor

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TECHNICAL CHANGES

MSZ-A09YV - E1 MSZ-A12YV - E1

MSZ-FA25VA - E1

MSZ-FA35VA - E1

1.Indication of capacity has been changed.(BTU base kW base)

2.Controller method between indoor and outdoor has been changed.

3.Power supply method has been changed (change to supply from outdoor unit).

4.Power supply cord has been removed.

5.Indoor electronic control P.C. board has been changed.

6.Position of terminal block has been changed.

7.Indoor fan motor has been changed. ( AC DC)

8.Indoor heat exchanger has been changed.

9.The horizontal vane motor unit has been changed.

An external gear is added to the generalized stepping motor.

The unit is structured so that the driving torque and stopping torque would increase.

Generalized stepping motor

NOTE: Do not remove the vane motor from the motor unit.

Do not disassemble the horizontal vane motor unit.

10.The vertical vane motor unit has been added.

An external gear is added to the generalized stepping motor.

The unit is structured so that the driving torque and stopping torque would increase.

Generalized stepping motor

NOTE: Do not remove the vane motor from the motor unit.

Do not disassemble the vertical vane motor unit.

11. Front panel driving motor unit which opens and closes the front panel has been added.

Front panel opening/closing output gear

NOTE: Do not disassemble the front panel driving motor unit.

12.PLASMA DEODORIZING/AIR PURIFYING filter units have been added.

13.i-see Sensor has been added.

(i-see control operation and AREA setting have been added.)

14.Air cleaning filer has been removed.

15.Signal of remote controller has been changed. (It is not available for the conventional models.)

16.Symbol on terminal block has been changed (to S1/S2/S3).

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Contents Contents MSZ-FA25VA E1 MSZ-FA35VA E1Front panel opening/closing output gear Technical ChangesGeneralized stepping motor Indoor Unit MSZ-FA25VA MSZ-FA35VA Wash reset switch Open Closed Receiving sectionPart Names and Functions See control operationMSZ-FA25VA E1 MSZ-FA35VA E1 Accessories Remote ControllerWhen outdoor unit is MXZ type SpecificationSpecifications and rating conditions of main electric parts MSZ-FA35VA E1 Noise Criteria CurvesMSZ-FA25VA E1 Indoor Unit Outlines and DimensionsMSZ-FA25VA E1 MSZ-FA35VA E1 Unit mmMSZ-FA25VA E1 Indoor Unit Wiring DiagramRefrigerant System Diagram MSZ-FA35VA E1 Indoor UnitRemote controller model KM05A Service FunctionsHow to modify the remote controller P.C. board OperationRemote controller Troubleshooting Install RemoveInformation for Multi System AIR Conditioner Outdoor Unit MXZ seriesFailure mode recall function OFFTo identify the error.Refer to 9-6.For G Plasma AIR Purifying Indoor unit failure mode tablePlasma Deodorizing OFFInstruction of troubleshooting StartTroubleshooting check table · Flashing of Power lamp indicates abnormalitiesPurifying PlasmaAIR Trouble criterion of main parts Check of indoor fan motor Troubleshooting flowWhen Power lamp flashes 3-time Indoor fan does not operate Check of remote controller and receiver P.C. board Indoor electronic control P.C.Board How to check mis-wiring and serial signal error LEDCheck of installation of the horizontal vane Safety Deviceplasma Unit Plasma Deodorizing 0V?Continuously flash? AIR Purifying 0V?Check of auto front panel Indoor unit and outdoor unit do not operateElectromagnetic noise enters into TV sets or radios YesPlasma power P.C. board Test point diagram and voltagePower monitor receiver P.C. board Indoor electronic control P.C. boardDisassembly Instructions Removing the panel PhotoOperating Procedure Photos Removing the electrical boxRemoving the indoor fan motor and the line flow Photo Removing the horizontal vane motor unit PhotoRemoving the vertical vane motor unit Photo FanRemoving the plasma power P.C. board Photo Parts List Accessory and Remote ControllerIndoor Unit Heat Exchanger Safety PlasmaIndoor Unit Electrical Parts and Functional Parts Motor Receiver P.C Board Holder509 Symbol Qty/unit Part name WiringDiagram E02 504Optional Parts Deodorizing Ceramic FilterPage Specifications subject to change without notice