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Ubiflux W300(+) / W400(+) / W450+
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Ubiflux W300(+) / W400(+) / W450(+)
11.1 Connections connectors
Connector X1
eBus or. OpenTherm connector X1
Two-pole screw connector.
Set ex factory as eBus connector; after modifying parameter 8 in
the Settings menu, also suitable as OpenTherm connector (see
§11.3).
Only suitable for low voltage
Note:
For the eBus Application, this connector is polarity-specific.
Connector X2
Modular connector X2 for rpm control
Modular connector type RJ-12.
Only suitable for low voltage
Connector X14 (only for + version)
Connector X14 for connecting postheater
Two-pole screw connector (accessible after taking off display
cover).
Ex factory this connector is not activated; after changing para
-
meter 13 in the settings menu of “0” to “1” (preheater) or “2”
(postheater), this connector can be used for connecting the pos
-
theater or preheater
Maximum rated power is 1000W
Note:
The postheater temperature sensor must also be con
-
nected to X15-7 and X15-8.
For the + version, use the additionally mounted pull relief in the
display cover to feed the 230 V cable to the postheater.
Connector X15 (only for + version)
Electric connections accessories
Chapter 11
1 2 3 4 5 6 7 8 9
Connector X15 (9-pole) for connecting special versions
Connection Application
1 & 2
(input 1)
Stepnr. 15 = 0: normally open contact
(= factory setting) §11.7)
Stepnr.
15 = 1: 0 - 10V input 1; X15-1=GND &
15 - 2 = 0 - 10V (see §11.8)
Stepnr.
15 = 2: normally closed contact
Stepnr.
15 = 3: input 1/ bypas open
12V;
bypass closed
0V
Stepnr.
15 = 4: input 1/ bypas open
0V;
bypass closed
12V
3 & 4
(input 2)
Stepnr.
21 = 0: normally open contact
Stepnr.
21 = 1: 0 - 10V input
(= factory setting)
(see §11.8)
Stepnr.
21 = 2: normally closed contact
Stepnr.
21 = 3: input 2/ bypas open
12V;
bypass closed
0V
Stepnr.
21 = 4: input 2/ bypas open
0V;
bypass closed
12V
5 & 6
Conn. 24 volt
, 4.5 VA maximum (5 = ground , 6 = +)
7 & 8
Connection postheater sensor or and
outdoor geo heat exchanger
9
Control signal valve 0 or 10 V
( 9 = + , 5 = ground)
Not suitable for
230V!
X-15