Vermont Casting MSZ-D30NA, MSZ-D36NA, MSY-D36NA, MSY-D30NA service manual Program Timer

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8-8. TIMER OPERATION

1.How to set the time

(1)Check that the current time is set correctly.

NOTE : Timer operation will not work without setting the current time. Initially “0:00” blinks at the current time display of TIME MONITOR, so set the current time correctly with CLOCK SET button.

How to set the current time

(a)Press the CLOCK set button.

(b)Press the TIME SET buttons ( and ) to set the current time.

Each time FORWARD button ( ) is pressed, the set time increases by 1 minute, and each time

BACKWARD button ( ) is pressed, the set time decreases by 1 minute.

Pressing those buttons longer, the set time increases / decreases by 10 minutes.

(c)Press the CLOCK set button.

(2)Press OPERATE/STOP (ON/OFF) button to start the air conditioner.

(3)Set the time of timer.

ON timer setting

(a)Press ON TIMER button( ) during operation.

(b)Set the time of the timer using TIME SET buttons ( and ) .

OFF timer setting

(a)Press OFF TIMER button ( ) during operation.

(b)Set the time of the timer using TIME SET buttons ( and ).

Each time FORWARD button ( ) is pressed, the set time increases by 10 minutes; each time BACKWARD button ( ) is pressed, the set time decreases by 10 minutes.

2. To release the timer

To release ON timer, press ON TIMER button ( ).

To release OFF timer, press OFF TIMER button ( ).

TIMER is cancelled and the display of set time disappears.

PROGRAM TIMER

OFF timer and ON timer can be used in combination. The timer of the set time that is reached first will operate first.

” and “ ” display shows the order of OFF timer and ON timer operation.

(Example 1) The current time is 8:00 PM.

The unit turns off at 11:00 PM, and on at 6:00 AM.

(Example 2) The current time is 11:00 AM.

The unit turns on at 5:00 PM, and off at 9:00 PM.

PM

AM

PM

PM

NOTE : If the main power is turned OFF or a power failure occurs while ON/OFF timer is active, the timer setting is can- celled. As these models are equipped with an auto restart function, the air conditioner starts operating with timer cancelled when power is restored.

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Contents MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA Page Technical Changes Part Names and Functions AccessoriesSpecification Outlet AIR Speed and Coverage Range Operating RangeMSZ-D36NA MSY-D30NA MSY-D36NA Outlines and DimensionsWiring Diagram Unitinch Refrigerant System DiagramTimer Short Mode Service FunctionsHow to modify the remote controller P.C. board P.C. Board Modification for Individual OperationOperation Auto Restart FunctionMicroprocessor Control Operation Indicator lampHeat Operation MSZ Cool OperationFAN Operation MSY Feel Control Operation MSYFuzzy control Auto Change Over ··· Auto Mode Operation MSZMode selection Auto Vane Operation 3 4 Swing 5 Vertical vaneProgram Timer EMERGENCY/TEST Operation Minute Time Delay OperationChanging Temperature Indication F /C Before troubleshooting, check the following TroubleshootingTroubleshooting procedure How to replace batteriesOFF Failure Mode Recall FunctionEration Indica Indoor unit failure mode tableStart Instruction of TroubleshootingLighted Blinking Not lighted Troubleshooting Check TableTrouble Criterion of Main Parts Check of indoor fan motor Troubleshooting FlowCheck of remote controller and receiver P.C. board Indoor electronic control P.C. board How to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios SW P.C. board Test Point Diagram and VoltagePower monitor receiver P.C. board Board, the power monitor receiver P.C. board and the SW Disassembly InstructionsRemoving the panel Removing the electrical box, the electronic control P.CRemoving the horizontal vane motor Removing the nozzle assemblyRemoving the vertical vane motor Removing the line flow fan and the indoor fan motor Page Page Made in Japan New publication, effective FebDistributed in Feb . No. OBH501