Mitsubishi Electric MS-GF60VA Service Manual download pdf (Page 20)

9-7. EMERGENCY/TEST OPERATION

In case of test run operation or emergency operation, use

EMERGENCY OPERATION switch on the right side of the indoor unit.

Emergency operation is available when the remote controller is miss-

ing, has failed or the batteries of the remote controller run down. The

unit will start and OPERATION INDICATOR lamp will light.

The first 30 minutes of operation is the test run operation. This opera-

tion is for servicing. The indoor fan runs at High speed and the tem-

perature control does not work.

After 30 minutes of test run operation, the system shifts to

EMERGENCY COOL MODE with a set temperature of 24°C. The fan

speed shifts to Med.

The coil frost prevention works even in the test run or the emergency

operation.

In the test run or emergency operation, the horizontal vane operates in

VANE AUTO ( ) mode.

Emergency operation continues until EMERGENCY OPERATION

switch is pressed again or the unit receives any signal from the remote

controller. In case of latter, normal operation will start.

NOTE: Do not press EMERGENCY OPERATION switch during normal operation.

Operation mode COOL

Set temperature 24°C

Fan speed Med.

Horizontal vane Auto

The operation mode is indicated by the

Operation Indicator lamp as following

Operation Indicator lamp

EMERGENCY COOL

↓

STOP

Lighted

Not lighted

9-8. 3-MINUTE TIME DELAY OPERATION

When the system turns OFF, compressor will not restart for 3 minutes as 3-minute time delay function operates to protect

compressor from overload.

Emergency

operation switch

(E.O. SW)

OBH621A

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Mitsubishi Electric MS-GF60VA Service Manual Page 20

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