Airwell EDS25 Service Manual page 70

CONTROL SYSTEM
Deicing procedure
o
OCT [ c]
12
0
DOC
DST
(DDT)
3
ON
COMP
OFF
DI (note 1)
ON
OFAN
OFF
ON
RV
OFF
ANY
L
IFAN
ON
HE
ANY
ANY
IFAN
OFF
ANY
HE
OFF
ON
OPER
BLINK
LED
Notes :
min, else DI = 40 min.
In the following Deicing cycles, the time interval between two Deicing
For RC group, HEs are forced OFF. IFAN operation is as in Heat
Mode, Sect 4.0.3.a, i.e. IFAN will be set to OFF when ICT<30
For WAX, the IFAN is simply forced OFF.
For SH group, HEs are forced ON and IFAN is forced to operate in Low
speed, regardless of the ICT and difference between RAT & SPT.
12-20
m n i
36s max 12 min.
30s
IFAN is forced to Low Speed
HEs are forced ON
Note 3
HEs are forced OFF
P activation after SB or OFF, if (OCT < 0
Revision
36s
DI (note 2)
30s
DT
0
3 m n i
o
c), then DI = 10
o
c.
Service Manual - EDS