Mitsubishi Electric MSH-XV07UV, Service Manual

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8-7. TIMER OPERATION
1. How to set the timer
(1) Press the OPERATE/STOP (ON/OFF) button to start the air conditioner.
(2) Press the TIMER MODE SELECT button
( )
to select the operation.
“ ”
(OFF TIMER) ➔
“ ”
(ON TIMER) ➔
TIMER RELEASE
Each time this button is pressed, the timer mode is changed in sequence.
(3) Press the TIME SET button
( )
to set the timer.
Each time this button is pressed, the set time increases by 1 hour to 12 hours.
NOTE 1 : Be sure to place the remote controller at the position where its signal can reach the air conditioner even during
TIMER operation.
NOTE 2 : 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.
NOTE 3 : The OFF TIMER and ON TIMER can not be set at the same time.
TIME
SELECT
(Example 1) Setting to stop the air conditioner 3 hours later.
1
Press the “ ” button to select the “ ”
(OFF TIMER)
.
2
Press the “ ” button to set the “3h”.
TIME
SELECT
3
h
7
h
(Example 2) Setting to operate the air conditioner 7 hours later.
1
Press the “ ” button to select the “ ”
(ON TIMER)
.
2
Press the “ ” button to set the “7h”.
TIME
SELECT
2. Cancel
Press the “ ” button until “ ”
(OFF TIMER)
and “ ”
(ON TIMER)
are not displayed.
SELECT
EMERGENCY OPERATION switch
Press once <Cool>
Press again <Heat>
Press once again <Stop>
OPERATION INDICATOR lamp
• The following indication applies
regardless of shape of the indicator.
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/HEAT MODE with a set temperature of
24°C.
The fan speed shifts to Med. speed.
The coil frost prevention works even in emergency operation, and defrosting too.
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 once or twice or the unit receives
any signal from the remote controller. In case of latter normal operation will start.
NOTE : Do not press the EMERGENCY OPERATION switch during normal operation.
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