Test Run; Before Test Run - Toshiba MML-AP0074NH-E Installation Manual

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 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.
• 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.
• Do not use the forced test run for cases other than
the test run because it applies an excessive load to
the devices.
22-EN
WARNING
CAUTION
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
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.)
–22–
Installation Manual
2,4
3
button to stop a test