SiBE121123_A
Function of RA Indoor Unit
Function and Control
54
1.3
Operation Starting Control
Outline
Wall Mounted Type: FTXG Series
The system carries out the following control at the beginning to conduct every functional parts
properly.
1. Opening the front panel fully
2. Output of the
∆
D signal after the front panel starts moving
3. Opening the flap fully after the front panel opens fully
4. Making the fan rotate when the flap passes over the fan-banned area
Control Flow
Timing Chart
(1)
Opening the front panel fully
Start
Running
(2)
Output of the
∆
D signal after
the front panel starts moving
(4)
Making the fan rotate when
the flap passes over the
fan-banned area
(3)
Opening the flap fully
(R14049)
Fully close
OFF
Start
ON
Flap
Under running control
Under operation mode control
Under operation mode control
Fan
∆
D
Fully open
Fully open
Fully close
ON
OFF
OFF
Output
ON
∆
0
Fan-banned area
(R11910)
Front
panel
Force supply
(from the
outdoor unit)
The outdoor unit provides force
when it receives the
∆
D signal.
Operation
starting control
: Actual position
of panel or flap
: Additional
control of motor
