Service manual

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Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(V2844)
Is
the control
range setting switch set
correctly?
Is
the
transmission wiring
disconnected or wired
incorrectly?
Replace the unified ON/OFF
controller.
Fix the wiring correctly.
Set by remote control the
central control address for all
indoor units connected to the
central control line.
YES
YES
Set the control range setting
switch correctly and
simultaneously reset the power
supply for all optional controllers.
NO
NO
NO
YES
Is
the central
control address
(group No.) set for the
indoor unit?