9-8. EMERGENCY-TEST OPERATION
When the remote controller is missing, has failed or the batteries run down, press the EMERGENCY OPERATION switch
on the front of the indoor unit. The unit will start and the Operation indicator lamp will light.
The first 30 minutes of operation will be the test run operation. This operation is for servicing. The indoor fan runs at Hi
speed and the system is in continuous operation. The thermostat is ON and the timer is reset to normal.
After 30 minutes of test run operation the system shifts to EMERGENCY COOL MODE with a set temperature of 75°F
in cooling. The fan speed set to Me .
This operation continues until the EMERGENCY OPERATION switch is pressed again or any button on the remote con-
troller is pressed,and after that normal operation will start.
The coil frost prevention circuit operates in this mode.
In the test run or Emergency operation, auto vane operates in AUTO mode with the set temperature 75°F.
NOTE
: Do not press the EMERGENCY OPERATION switch during normal operation.
EMERGENCY OPERATION
switch
EMERGENCY OPERATION
switch
Press once
<Cool>
Press again
<Stop>
MS09NW MS09NW2
MS12NN MS15NN MS17NN MS12NN2 MS15NN2 MS17NN2
42
<MS09NW2, MS12/15/17NN2>
1. How to set the timer
(1) Press the OPERATE/STOP (ON/OFF) button to start the air conditioner.
(2) Press the “
” 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 “
” button to set the timer.
Each time this button is pressed, the set time increases by 1 hour to 12 hours.
(4) After setting the ON timer, check that OPERATION INDICATOR lamp of the unit lights.
NOTE 1 :
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.
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 “3Hr”.
TIME
SELECT
3
Hr
7
Hr
(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 “7Hr”.
TIME
SELECT
2. Cancel
Select the TIMER RELEASE mode by pressing the “
” button. (Refer to 1.(2))
SELECT