4. Service procedures
(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.
Section
1
2
3
aPress the TEST / CHK button at the bottom right on the remote controller.
bPress the ON / OFF operation button to start the test run.
cPress the MODE button to select either COOLING or HEATING mode.
dWhen the test run starts, “TEST” shows on the remote controller’s display.
eDuring the test run, the air conditioner runs continuously and the thermostat does not control the system.
AIR FLOW
UNIT | MODE |
FLAP
°C SET TEMP.
TIMER SET
FAN SPEED
A
SET CL | TEST |
ON •
OFF •
TEST / CHK
Alarm message
4
f After the test run, be sure to | TEST RUN / CHECK button | |||
press the | ||||
ON / OFF operation | ||||
TEST / CHK button once again | ||||
button | ||||
to finish this mode and make | ||||
1152_THS_I | ||||
sure “TEST” is not shown on the |
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display. |
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| CAUTION |
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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.
SM830076
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