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INSTALLATION
Power supply
12.2.3 Low voltage, BUS cable
D0000037508
X2 Low voltage
B1 Temperature sensor, heat pump flow
B2 Temperature sensor, heat pump return
T (WW) DHW cylinder sensor and earth (X26)
T(A) Outside temperature sensor and earth (X26)
T(MK) Mixer circuit temperature sensor and earth (X26)
Fernb. 3 Connection for FE 7
Fernb. 1 Connection for FE 7 and uponor DEM WP module
+ CAN bus for remote control
⊥
L
H
GND Ground for temperature sensor
12.3 Sensor installation
Outside temperature sensor AFS 2 (included in the pack
supplied)
The temperature sensors have a significant influence on the func-
tion of your heating system. Therefore ensure the sensors are
correctly positioned and well insulated.
26�03�21�0052
Install the outside temperature sensor on a north or north-eastern
wall. Minimum clearances: 2.5 m above the ground, and 1 m to
the side of windows and doors. The outside temperature sensor
should be freely exposed to the elements but not placed in direct
sunlight. Never mount the outside temperature sensor above win-
dows, doors or flues.
Connect the outside temperature sensor to terminal X2(T(A)) and
to the earth block for low voltage X26 of the appliance.
Installation:
Remove the cover.
Secure the base with the screw supplied.
Connect the cable.
Replace the cover. The cover must audibly click into place.
Contact sensor AVF 6
This sensor is required when using a mixer circuit.
Installation information:
26�03�01�1431
Clean the pipe.
Apply heat conducting paste.
Secure the sensor with a cable tie.
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