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TEST RUN
Preparation
Before turning on the power supply, carry out the
following procedure.
1. Using 500V- Megger, check the resistance between
the terminal block of the power supply and the earth
(grounding). The resistance must by 1Mohm or more.
2. If resistance of less than 1Mohm is detected, do not
run the unit.
S When a test run is performed together with units, follow
the installation manuals of the unit.
S Never press the electromagnetic contactor to forcibly
perform the test run because the protective device does
not work.
Before starting a test run, be sure to set addresses per the
installation manual supplied with the outdoor unit.
Performing the test mode
1. Push the [
MENU ] button to display the
menu screen.
2. Push and hold the [
button at the same tine to display the "Field
setting menu."
Fig. 67 - Field Setting Menu
3. Push and hold the buttons for more than 4 seconds.
4. Select "1 Test mode" on the "Field setting menu"
screen, then push the "Set" [
Pushing the "Yes" [
F1 ] button sets the test mode
and the screen returns to the "Field setting menu" screen.
5. Push [
CANCEL ] twice, and the following
screen displays.
Fig. 68 - Field Setting Menu (Test Mode)
MENU ] button and the
F2 ] button.
6. Push the [
ON/OFF ] button to start the test
mode. The following screen displays.
Fig. 69 - Test Mode
7. The following screen displays when the operation is
stops. Perform test mode in "Cool" or "Heat" mode.
Fig. 70 - Perform Test in Cool or Heat Mode
8. When test mode is finished, push the [
[
] button to select "1. Test mode" on the
"Field setting menu" screen,
[
F2 ] button. The screen (3) appears. Pushing the
"Yes" [
F1 ] button stops the test mode screen and
continues the normal operation.
Fig. 71 - Stop Test Mode
Alternatively (using a wired remote controller), a forced
test run can be executed in the procedure above
mentioned 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 excessive load to the devices
43
]
then push the "Set"
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