22-EN
3
2,4
1,5
Installation Manual
–22–
Toshiba 1112750201 (EN)
10
10
TEST RUN
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 1M
Ω
or more exists between the terminal block of the
power supply and the earth (grounding).
If resistance of less than 1M
Ω
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
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
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.)
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.
Summary of Contents for MML-AP0074NH-E
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