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(B) Use the test run procedure<br />
IV - 23<br />
4. Service procedures<br />
❏ The purpose of the test run function is to let you control the operation of the unit<br />
directly without turning the unit on or off by thermostat. As indicated in the following<br />
procedure, be sure to stop test run operation when you finish the procedure, or the<br />
air conditioner may be damaged.<br />
❏ To protect the air conditioner from overloading, the outdoor unit will not start<br />
running for 3 minutes after power is applied or the unit is turned OFF.<br />
a Press the TEST / CHK button at<br />
the bottom right on the remote<br />
controller.<br />
b Press the ON / OFF operation<br />
button to start the test run.<br />
c Press the MODE button to select<br />
either COOLING or HEATING<br />
mode.<br />
d When the test run starts, “TEST”<br />
shows on the remote controller’s<br />
display.<br />
e During the test run, the air<br />
conditioner runs continuously<br />
and the thermostat does not<br />
control the system.<br />
f After the test run, be sure to<br />
press the<br />
TEST / CHK button once again<br />
to finish this mode and make<br />
sure “TEST” is not shown on the<br />
display.<br />
CAUTION<br />
AIR FLOW<br />
UNIT<br />
SET CL<br />
The TEST RUN button is used only for servicing the air conditioner. Do not press this<br />
button in normal operation, or the system may be damaged.<br />
FLAP<br />
TIMER SET<br />
A<br />
Alarm message<br />
ON •<br />
OFF •<br />
°C<br />
TEST<br />
ON / OFF operation<br />
button<br />
MODE<br />
SET TEMP.<br />
FAN SPEED<br />
TEST / CHK<br />
TEST RUN / CHECK button<br />
1152_THS_I<br />
1<br />
2<br />
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