Logitech Official Manual for Auto Vane Operation of the MSZ-A09NA Air Conditioner
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11-7. AUTO VANE OPERATION

1.Horizontal vane

(1)Vane motor drive

These models are equipped with a stepping motor for the horizontal vane. The rotating direction, speed, and angle of the motor are controlled by pulse signals (approx. 12 V) transmitted from indoor microprocessor.

(2)The horizontal vane angle and mode change as follows by pressing VANE CONTROL button.

MSZ-A09/12/15/17

MSY-A15/17

MSZ-A24

MSY-A24

(3)Positioning

The vane is once pressed to the vane stopper to confirm the standard position and then set to the desired angle. Confirming of standard position is performed in the following cases.

(a)When the operation starts or finishes (including timer operation).

(b)When the test run starts.

(c)When multi-standby starts or finishes.

(4)VANE AUTO ( ) mode

In VANE AUTO mode, the microprocessor automatically determines the vane angle and operation to make the optimum room-temperature distribution.

(1) COOL and DRY operation

(2) HEAT operation (MSZ)

Vane angle is fixed to Horizontal position or Angle 1.

Vane angle is fixed to Angle 4.

Upward

(5)STOP (operation OFF) and ON-TIMER standby

In the following cases, the horizontal vane returns to the closed position.

(a)When OPERATE/STOP (ON/OFF) button is pressed (POWER OFF).

(b)When the operation is stopped by the emergency operation.

(c)When ON-TIMER is ON standby.

(6)Dew prevention

During COOL or DRY operation with the vane angle at Angle 2 ~ 4 (A09 ~ 17) / Angle 3 ~ 5 (A24) when the compressor cumulative operation time exceeds 1 hour, the vane angle automatically changes to Angle 1 for dew prevention.

(7)SWING MODE ( )

By selecting SWING mode with VANE CONTROL button, the horizontal vane swings vertically. The remote controller displays “ ”.

(8)Cold air prevention in HEAT operation (MSZ) The horizontal vane position is set to Upward.

NOTE : When 2 or more indoor units are operated with multi outdoor unit, even if any indoor unit turns thermostat off, this control doesn’t work in the indoor unit.

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Contents Revised EDITION-C ContentsMSY-A24NA MSZ-A24NAPart Names and Functions AccessoriesMSZ-A09NA MSZ-A12NA MSZ-A15NA MSZ-A17NA MSY-A15NA MSY-A17NA MSZ-A24NA MSY-A24NASpecification Outlet AIR Speed and Coverage Range Operating RangeMSZ-A09NA MSY-A15NA Outlines and DimensionsMSZ-A12NA MSY-A17NA MSZ-A15NA MSZ-A17NA Unit inchMSZ-A24NA Wiring Diagram MSZ-A09NA MSZ-A12NA Refrigerant System DiagramMSZ-A15NA MSY-A15NA MSZ-A17NA MSY-A17NATimer Short Mode Service FunctionsHow to modify the remote controller P.C. board P.C. Board Modification for Individual OperationHow to release Auto Restart Function TroubleshootingAuto Restart Function OperationHow to replace batteries Troubleshooting procedureInformation for Multi System AIR Conditioner Outdoor Unit MXZ seriesFailure Mode Recall Function Indoor unit failure mode table Start Instruction of Troubleshooting15/17 Troubleshooting Check TableMXZ type Trouble Criterion of Main PartsCheck of indoor fan motor Troubleshooting FlowMSZ-A09/12/15/17NA MSY-A15/17NA MSZ-A24NA MSY-A24NAIndoor electronic control P.C.Board How to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios Power monitor receiver P.C. board Test point diagram and voltageIndoor electronic control P.C. board SW P.C. boardDisplay P.C. board Receiver Board MSZ-A24NA MSY-24NARemoving the panel Photo Disassembly InstructionsRemoving the electrical box Photo Operating Procedure PhotosRemoving the indoor fan motor and the line flow fan Photo Removing the horizontal vane motor unit PhotoRemoving the front panel MSZ-A24NA MSY-A24NA Operating Procedure PhotosRemoving the electronic control P.C. board, the receiver Board and the display P.C. boardRemoving the line flow fan and the indoor fan motor Removing the vane motorAccessory and Remote Controller Parts ListPower Monitor Receiver Board Holder Nozzle AssemblyRoom Temperature Switch HolderIndoor Heat Exchanger AIR Cleaning Filter ANTI-ALLERGY Enzyme FilterUnion GAS Union LiquidSee Indoor Unit Functional Parts and Electrical Parts MAC-2300FT MSZ-A MSY-A Catechin AIR Filter Right AIR Cleaning MAC-415FT-ERemote KM06C Controller KM07LElectronic CoverControl P.C Indoor CoilExchanger Indoor HeatE12 815 E12 155 Ø1/2 E12 151Screw CAP CatchCatechin AIR Filter PC/ SETRemote Controller KM06D AssemblyVane Motor Vertical Vane Motor HorizontalAIR Cleaning Filter ANTI-ALLERGY Enzyme Filter Indoor Unit Display Section Microprocessor ControlDRY Operation Cool OperationHeat Operation MSZ FAN Operation MSYAuto Change Over ··· Auto Mode Operation MSZ Mode selectionFuzzy control MSZ-A09/12/15/17 MSY-A15/17 Auto Vane OperationMSZ-A24 MSY-A24 Upward3 4 Swing 5 Vertical vane MSZ-A24, MSY-A24Program Timer Timer OperationEMERGENCY/TEST Operation Changing temperature indication F/CMSZ-ANA- MSY-ANA Made in Japan

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