Operation Starting Control - Daikin E-Series Service Manual

Main Functions
1.3

Operation Starting Control

FTXG25-35E, CTXG50E
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
Opening the flap fully
Timing Chart
Fully close
Front
panel
Fully open
Fully open
Flap
Fully close
Louvers
Fan
∆D
Force supply
(from the
outdoor unit)
56
Opening the front panel
fully
Start
OFF
Fan-banned area
Right
Left
ON
OFF
Output
∆0
TDELTA
ON
OFF
Start
Output of the ∆D signal after
the front panel starts moving
Making the fan rotate when
the flap passes over the
fan-banned area
Running
Operation
starting control
Under operation mode control
Under operation mode control
The outdoor unit provides force
when it receives the ∆D signal.
SiBE12-818
(R3311)
ON
Under running control
Under running control
(R3312)
Function and Control