48 | Art.-nr.:
616711-A
Ubifl ux Vigor W225 | 49
11.8 Connecting Geo-heat exchanger
A geo heat exchanger can be connected to the
appliance with Plus PCB.
Depending on the type of valve the geo heat ex-
changer can be connected to diff erent connection
of the Plus PCB:
X10 no. 1 & 2 - Relay output 1 (Factory setting)
X11 no. 1 & 2 - Relay output 2
X14 no. 1 & 2 - Analogue output 1 (0 - 10 V)
X15 no. 1 & 2 - Analogue output 2 (0 - 10 V)
Connect the outdoor temperature sensor to no. 1
and no. 2 of the 2-pole connectorX-16.
A = Min. temperature
B = Max. temperature
I = To dwelling
II = To outside
III = From dwelling
IV = From outside
Step no.
Description
Factory setting
Range
11.1
Switching on and off
Off
On / off
11.2
Switch temperature 1
5°C
0.0 °C / 10.0 °C
11.3
Switch temperature 2
25°C
15.0°C / 40.0 °C
11.4
Mode valve 10 volt control
Closed
Open / Closed
11.5
Valve control
Relay output 1
Relay output 1 / Relay output 2 /
Analogue output 1 / Analogue output 2
When using a geo heat exchanger, parameter 11.1 must be changed from “OFF” to “ON”.
12 Service
12.1 Exploded view
When ordering parts, in addition to the article code number (see exploded view), please state
the heat recovery appliance type, the serial number, the year of production and the name of
the part:
N.B.:
Appliance type, serial number and year of production are stated on the identifi cation plate
behind the plastic front panel on the appliance.
Example
Appliance type
Ubifl ux Vigor W225
Serial number
428030210301
Year of production
2021
Part
Fan
Article code
0883----
Quantity
1