Operation Starting Control - Daikin FTKS20D3VMW 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 ΔD 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
3 Opening the flap fully
Timing Chart
Fully close
Front
panel
Fully open
Fully open
Flap
Fully close
Louvers
Fan
DD
Force supply
(from the
outdoor unit)
64
1 Opening the front panel fully
Start
OFF
Fan-banned area
Right
Left
ON
OFF
Output
D0
TDELTA
ON
OFF
Start
2 Output of the DD signal after
the front panel starts moving
4 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 DD signal.
SiENBE12-713
(R3311)
ON
Under running control
Under running control
(R3312)
Function and Control