Mitsubishi Electric Mr.SLIM PC-2GJA Technical & Service Manual page 27

2-5 Test run
The unit starts the test run by pressing both the UP and DOWN buttons simultaneously for more than two seconds during
TIMER
lamp ON or the unit OFF.
w
The test run automatically stops in 2 hours.
Set temperature is not displayed during test run.
To cancel the test run, press the POWER ON/OFF button.
<Initial setting>
The units are set as follows by the factory.
1) Initial operation mode: FAN
2) Fan speed : LOW
2-6 Emergency operation
When the remote controller or microprocessor malfunc-
tions and no other trouble exists, emergency operation
is available by setting the dipswitch on the indoor con-
troller board.
[Check items]
! Make sure the compressor and the fans are running
normally.
@ Locate the trouble with the self-doagnostic function. If
the self-diagonostic function indicates that the protec-
tion device (such as coil frost protection)is function-
ing, the sources must be removed before attempting
emergency operation.
Emergency operation ON/OFF is activated not with
the remote controller but with the circuit breaker.
[Emergency operation procedure]
! Cooling operation is available by setting the dipswitch
SW3 1 and 2 ON and 3 OFF on the indoor con-
troller board.
@ To start emergency operation, turn the outdoor sidecircuit breakerON first, and then the indoor side circuit breaker ON.
# During emergency operation, the indoor fan runs on HIGH speed, the compressor runs continuously, and the louver
stops.
When the drain pump is attached, it works in emergency operation.
$ Thermostat will not function.
% Do not use emergency cooling operation for more than 10 hours, as the indoor coil may freeze.
w If the self-diagnostic function shows a drain pump malfunction, do not attempt emergency operation, as the drain may
overflow.
2-7 Auto Restart function
Unit can be start / stop by turning the breaker ON / OFF.
! Cutting the JR06 on the indoor board.
Unit can be start / stop using a remote controller. Only If the unit was already being operated before power off, the unit resta
automatically as soon as power is back.
JR06
Available
Not available
@ Short all the CN2 on the indoor board.
Unit can not be start/ stop using remote controller.
Unit will restart automatically whether the unit is
operated or stopped when the power is cut off.
3) Swing louver
4) Set temperature: 28°C
Auto restart
Not effective
Effective
: OFF
INDOOR CONTROLLER BOARD
SW3
ORN
1
BRN
CN2 2
RED
3
I.B.
Optional timer adapter
PAC-SA89TA-E
27