35
Ubiflux W300(+) / W400(+) / W450(+)
Ubiflux W300(+) / W400(+) / W450+
36
Chapter 11
Electric connections accessories
11.5 Wiring diagram postheater connection (only possible for U)
The electrical connections of the postheater and the extra preheater are the same; the only difference is that the postheater has an ad
-
ditional temperature sensor that must be wired to connector X15. Please refer to the mounting instructions that came with the heater
for more extensive information regarding installation of the postheater or the extra preheater.
D
II
III
IV
I
Extra preheater
A
U
B
Control board +
version
C Heating coil
max. 1000 W
D
Maximum safety with
manual reset
E
LED maximum safety;
lights up when acti
-
vated
F Cables to be connec-
ted through the heater
G Flow direction through
the heater
C1 brown
C2
blue
C3
green/yellow
C4
black
Step nr. Description
Factory setting
Range
13
Heater
0
0 = Off
1 = Preheater
2 = Postheater
I =
To dwelling
II =
To atmosphere
III =
From dwelling
IV
=
From atmosphere
A
U
B
Control board + version
C
Heating coil max. 1000 W
D
Temperatursensor
E
Maximum safety with
manual reset
F
LED maximum safety;
lights up when activated
G
Cables to be connected by
installer
H
Flow direction through the
heater
C1 brown
C2
blue
C3
green/yellow
C4
black
C5 white
230V
50Hz
230V
50Hz
Postheater
II
III
IV
I
Stepnr. Description
Factory setting
Range
13
Heater
0
0 = Off
1 = Preheater
2 = Postheater
14
Temp. postheater
21°C
15°C - 30°C
I =
To dwelling
II =
To atmosphere
III =
From dwelling
IV =
From atmosphere
