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12
TEST RUN
A wired remote controller is necessary for this function. This function cannot be operate with a wireless
remote controller.
Before test run
• Before turning on the power supply, carry out
the following procedure.
1) Using 500V-megger, check that resistance
of 1MΩ or more exists between the terminal
block of the power supply and the earth
(grounding).
If resistance of less than 1MΩ is detected,
do not run the unit.
2) Check the valve of the outdoor unit being
opened fully.
• To protect the compressor at activation time,
leave power-ON for 12 hours or more be for
operating.
WARNING
• Never press the electromagnetic contactor to
forcibly perform a test run.
(This is very dangerous because the protective
device does not work.)
• Before starting a test run, be sure to set
addresses following the installation manual
supplied with the outdoor unit.
How to execute a test run
Using the wired remote controller, operate the unit
as usual.
For the procedure of the operation, refer to the
attached Owner's Manual.
A forced test run can be executed in the following
procedure even if the operation stops by
thermo.-OFF.
In order to prevent a serial operation, the forced
test run is released after 60 minutes have passed
and returns to the usual operation.
CAUTION
• Do not use the forced test run for cases other than the
test run because it applies an excessive load to the
devices.
In case of wired remote controller
1,5
1
Procedure
Keep
button pushed for 4 seconds or more.
[TEST] is displayed on the display part and the
selection of mode in the test mode is permitted.
2
Procedure
Push
button.
3
Procedure
Using
button, select the operation mode,
[COOL] or [HEAT].
• Do not run the air conditioner in a mode other
than [COOL] or [HEAT].
• The temperature controlling function does not
work during test run.
• The detection of error is performed as usual.
4
Procedure
After the test run, push
test run.
(Display part is same as procedure 1.)
5
Procedure
Push
check button to cancel (release from) the
test run mode.
([TEST] disappears on the display and the status
returns to a normal.)
‒ 36 ‒
Installation Manual
2,4
3
button to stop a
36-EN
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