When the remote controller cannot be used (emergency operation)

When the batteries of the remote controller run out or the remote controller malfunctions, the emergency operation can be done using the EMERGENCY OPERATION switch.

1Press the EMERGENCY OPERATION switch. 2 To stop the emergency operation, press the

• Each time the EMERGENCY OPERATION switch is

EMERGENCY OPERATION switch twice (in

pressed, the unit will operate in order of EMER-

case of EMERGENCY COOL MODE).

GENCY COOL MODE and STOP MODE.

 

However, when the EMERGENCY OPERATION

 

switch is once pressed, the unit will operate in test

 

run for 30 minutes and then the operation mode

 

shifts to EMERGENCY MODE.

 

Details of EMERGENCY MODE are as shown be- low. However, the temperature control does not work for 30 minutes in test run and the unit is set to continuous operation. The fan speed is set to High in test run and shifts to Medium after 30 min- utes.

Operation mode

COOL

Set temperature

75°F

 

 

Fan speed

Medium

 

 

Horizontal vane

Auto

 

 

Vertical vane

Front

 

 

The operation mode is indicated by the Operation Indicator lamp on the indoor unit as following fig- ure.

Operation Indicator lamp

EMERGENCY COOL

STOP

Operation Indicator

Operation Indicator

5

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Mitsubishi Electronics MSY-A24NA manual Emergency Operation switch twice, Case of Emergency Cool Mode

MSY-A24NA specifications

Mitsubishi Electronics is a renowned name in the HVAC (heating, ventilation, and air conditioning) industry, known for innovative, efficient air conditioning solutions. The MSY-A17NA, MSY-A24NA, MSZ-A15NA, MSZ-A24NA, and MSZ-A12NA models exemplify this legacy, offering advanced features and cutting-edge technology. These models cater to various room sizes and requirements, providing comfortable and reliable climate control.

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