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8-8. EMERGENCY-TEST OPERATION
In case of test run operation or emergency operation, use the EMERGENCY OPERATION switch on the front of the
indoor unit. Emergency operation is available when the remote controller is missing, has failed or the batteries of remote
controller run down. The unit will start and the OPERATION INDICATOR lamp will light.
The first 30 minutes of operation is the test run operation. This operation is for servicing. The indoor fan speed runs at
High speed and the system is in continuous operation. (The thermostat is ON.)
After 30 minutes of test run operation the system shifts to EMERGENCY COOL MODE with a set temperature of 75°F.
The fan speed shifts to Med. speed.
The coil frost prevention works even in emergency operation.
In the test run or emergency operation, the horizontal vane operates in VANE AUTO ( ) mode.
Emergency operation continues until the EMERGENCY OPERATION switch is pressed again or the unit receives any sig-
nal from the remote controller. In case of latter normal operation will start.
NOTE : Do not press the EMERGENCY OPERATION switch during normal operation.
OPERATION INDICATOR lamp
• The following indication applies regardless
of shape of the indicator.
Press once <Cool>
Press once again <Stop>
PROGRAM TIMER
(Example 1) The current time is 8:00 PM.
The unit turns off at 11:00 PM, and on at 6:00 AM.
● The OFF timer and ON timer can be used in combination.
● “ ”and “ ” display shows the order of the OFF timer and ON timer operation.
(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 : TIMER setting will be cancelled by power failure or breaker functioning.
EMERGENCY OPERATION
switch
2. Cancel
TIMER setting can be cancelled with the ON/OFF TIMER buttons.
To cancel the ON timer, press the “
ON-TIMER
” button.
To cancel the OFF timer, press the “
OFF-TIMER
” button.
TIMER is cancelled and the display of set time disappears.
(4) Press HR. and MIN. button (TIME set button) to set the timer. Time setting is 10-minute units.
HR. and MIN. button will work when “ ” or “ ”
mark is flashing.
These marks disappear in 1 minute.
After setting the ON timer, check that OPERATION INDICATOR lamp of the indoor unit lights.
NOTE1 :Be sure to place the remote controller at the position where its signal can reach the air conditioner even during
TIMER operation, or the set time may deviate within the range of about 10 minutes.
NOTE2 :Reset the timer in the following cases, or the set time may deviate and other malfunctions may occur.
● A power failure occurs.
● The circuit breaker functions.
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