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Concealed Duct High Static Pressure
Installation Manual
10 TEST RUN
Before test run
• Before turning on the power supply, carry out the following
procedure.
1) Using 500V-megger, check that resistance of 1M:
or more exists between the terminal block 1 to 3 and
the earth (grounding).
If resistance of less than 1M: 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 before operating.
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 thermostat-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.
Procedure 1
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.
Procedure 2
Push button.
Procedure 3
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.
Procedure 4
After the test run, push button to stop a test run.
(Display part is same as procedure 1.)
Procedure 5
Push check button to cancel (release from) the test run
mode.
([TEST] disappears on the display and the status returns to a
normal.)
2, 4
3
1,5
35-EN