[5-4 Operation Flowcharts ]
Operation Sequence Flowchart
(1) Indoor unit (cooling, heating, dry, fan mode)
1. Protection function
2. Indoor unit LEV fully closed.
display lit off
1. Auxiliary heater OFF
2. Low fan speed for
*Note 1. Indoor unit LEV fully closed : Opening 41.
*Note 2. The system may go into the error mode on either the indoor unit side or the BC controller or outdoor unit side.
If some of the indoor units are experiencing a problem, only those indoor units that are experiencing the problem
will stop. If the BC controller or the outdoor unit is experiencing a problem, all the connected units will stop.
*Note 3. If multiple indoor units are connected to a port and there is a discrepancy in the operation mode between the
indoor unit and the port, the operation will be prohibited. (Operation mode blinks on the remote controller, the
Fan stops, indoor unit LEV becomes fully closed.)
to outdoor unit
LEV fully closed.
Refer to 5-4-2 (1) for
Refer to 5-4-2 (2) for
Refer to 5-4-2 (3) for
"Blinking display on
the remote controller"
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