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Ubiflux W180 / W180+
Chapter 11
Electric connections accessories
11.8 Connection example geo-heat exchanger (only possible for the )
A geo-heat exchanger can be connected to the
.
The geo-heat exchanger can be connected to con-
nection no. 5 (GND), no. 6 (24V) and no. 9 (0-10V)
of 9-pole connector; this 9-pole connector is directly
accessible at the top of the appliance. Connect the
outside temperature sensor on 7 and 8 of the 9-pole
connector.
When the geo-heat exchanger is connected, it is
no longer possible to connect a postheater to the
!
When using a geo-heat exchanger, step number 27
must be changed from “OFF” to “ON”. When the
air is routed through the geo-heat exchanger, the
display shows the text “EWT”.
Step
no. Description
Factory
setting
Range
27 Switching on geo-
heat exchanger
OFF
ON =
Switched on
OFF =
Switched off
28
Minimum tempe-
rature geo-heat
exchanger
5 °C
0 - 10°C
29
Maximum tempe-
rature geo-heat
exchanger
25 °C 15 - 40°C
I = To dwelling
II = To atmosphere
III = From dwelling
IV = From atmosphere
15 °C
10 °C
3 °C
0 °C
Ⅰ
Ⅲ
Ⅱ
Ⅳ
Ⅳ
Ⅰ
Ⅲ
Ⅱ
Ⅳ
Ⅳ
A
30 °C
25 °C
Ⅰ
Ⅲ
Ⅱ
Ⅳ
Ⅳ
Ⅰ
Ⅲ
Ⅱ
Ⅳ
Ⅳ
B
A = Minimum temperature
B = Maximum temperature
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