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6. Setting addresses and operating units
The address switch of each BC controller is set to "000" when shipped from the
factory.
•
Set the address switch to 1 + the address of the outdoor unit.
s The BC controller address should generally be set to 1 + the address of
the outdoor unit. However, if this would result in it having the same ad-
dress as another outdoor unit, set the address between 51 and 100, mak-
ing sure that it is different from the address of other controllers.
•
Please refer to the outdoor unit installation manual.
7. Test run
Before commencing a test run please check the fol-
lowing:
s After installing, piping and wiring the indoor units and BC controllers,
check to see again that there is no refrigerant leakage and no slack on
power and control cables.
s Use a 500 V megger to check that there is an insulation resistance of
more than 1.0 M
between the power terminal block and the ground. If it
is less than 1.0 M , do not operate the unit.
10
s When connecting multiple indoor units to one branch port
•
Indoor units connected to one branch port can only be operated in the same
mode.
•
When connecting multiple remote controllers, group setting is required.
Caution:
Never measure the insulation resistance of the terminal block for any control
cables.
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