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4. Service procedures
1
2
3
4
Section
– 74 –
SM830076
(B) Use the test run procedure
❏ The purpose of the test run function is to let you control the operation of the unit
directly without turning the unit on or off by thermostat. As indicated in the following
procedure, be sure to stop test run operation when you finish the procedure, or the air
conditioner may be damaged.
❏ To protect the air conditioner from overloading, the outdoor unit will not start running
for 3 minutes after power is applied or the unit is turned OFF.
a Press the TEST / CHK button at
the bottom right on the remote
controller.
b Press the ON / OFF operation
button to start the test run.
c Press the MODE button to select
either COOLING or HEATING
mode.
d When the test run starts, “TEST”
shows on the remote controller’s
display.
e During the test run, the air
conditioner runs continuously
and the thermostat does not
control the system.
f After the test run, be sure to
press the
TEST / CHK button once again
to finish this mode and make
sure “TEST” is not shown on the
display.
The TEST RUN button is used only for servicing the air conditioner. Do not press this
button in normal operation, or the system may be damaged.
CAUTION
SET CL
MODE
FAN SPEED
ON
OFF
•
•
SET TEMP.
UNIT
FLAP
AIR FLOW
TEST
°C
TIMER SET
A
TEST / CHK
Alarm message
TEST RUN / CHECK button
ON / OFF operation
button
1152_THS_I