21
1
2
26_04_01_0328
1 Sensor well for the cylinder temperature sensor (economy
mode/buffer mode)
2 Sensor well for the cylinder temperature sensor (Comfort)
1
2
3
26_04_01_0556
1 Aperture in the thermal insulation for the sensor lead
2 Clamp (prevents the cylinder temperature sensor from slip-
ping out)
3 Cylinder temperature sensor inside the sensor well
Insert the cylinder temperature sensor into the cylinder
sensor well. Ensure that the cylinder temperature sensor is
seated correctly.
The sensors integrated in the appliance, the sensors supplied and
the outside sensor are PTC and Pt1000 sensors. The collector sen-
sor supplied is a Pt1000 sensor.
5.9.8 Connecting sensors
D0000038971
XD04
TA Outside temperature sensor
TV Mixer circuit flow temperature sensor
TR Room temperature sensor
TS Solar temperature sensor
TX Temperature sensor for second DHW cylinder
TD No function
Outside temperature sensor AFS2
The outside temperature sensor should have full and unprotected
exposure to the weather. Never fit it above windows, doors, light
wells or air ducts, and never subject it to direct insolation. Install
the outside temperature sensor on a north or north-east facing
wall on the exterior side of a heated room.
Never install the outside temperature sensor near an exhaust air
discharge or any other influencing factors (e.g. drier discharge).
The minimum height above the ground is 2.5m, and minimum
side clearance to windows and doors is 1m.
Remove the cover of the sensor enclosure.
Secure the sensor enclosure to the wall using the screw
provided.
Route the sensor lead through the cable entry in the back
panel of the function module.
XD04-TA : Connect the sensor lead.
Connect the sensor lead to the outside sensor.
Place the cover on the sensor enclosure so that it clicks audi-
bly into place.
Room temperature and solar sensor
If planned as part of the system configuration, install the sensors
according to the sensor installation instructions.
Route the sensor lead through the cable entry in the back
panel of the function module.
XD04-TR : Connect the room temperature sensor.
XD04-TS: Connect the solar sensor.
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