Electra DNG 18 Service Manual page 88

13.8.3 Outdoor coil Deicing (excluding RH Group)
Mode: Heating, Auto (at heating)
Temp: Selected desired Temp
Fan: Any
Timer: Any
I FEEL:Any
Control function
Protects the Outdoor coil from ice formation by controlling COMP & RV operation.
Deicing procedure:
o
OCT [ c]
12
0
DOC
DST
(DDT)
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
Service Manual - DNG Series
3 min
36s max 12 min.
30s
DT
IFAN is forced to Low Speed
HEs are forced ON
Note 3
HEs are forced OFF
Revision Y05-01
CONTENT
3 min
36s
DI (note 2)
30s
CONTROL SYSTEM
13-25