5
Installation
S 32/5 – 6 720 804 007 (2014/10)12
Installing the DHW temperature sensor
▶ Take the tank temperature sensor [3] from the scope of delivery of
the control panel (accessories).
▶ Feed the temperature sensor with the compensating spring [2] all
the way into the sensor well [1].
The compensating spring [2] ensures contact between the sensor well
and sensor surfaces, and a reliable temperature reading.
Fig. 10 Installing the DHW temperature sensor
[1] Sensor Well
[2] Compensating spring
[3] Temperature sensor
▶ Route the sensor lead to the boiler or control panel and ensure the
cable is not strained. The piping may not touch any hot parts of the
boiler.
▶ When sensors are used without a compensating spring, fill the cavity
in the sensor well with a sufficient amount of thermal grease.
Installing the aquastat
▶ Remove cover from the aquastat. To do so, undo the screw on the
top.
▶ If necessary, remove any unnecessary attachments. Screw the
holder [3] onto the Aquastat [2] using two sheet metal screws [1].
Fig. 11 Screw the holder onto the Aquastat
[1] Self-tapping screws C-ST 4.2x13 mm
[2] Aquastat
[3] Holder
▶ Feed the temperature sensor [4] with the compensating spring [5]
into the sensor well [3].
▶ Attach Aquastat [2] to tank by means of 2 self-tapping sheet metal
screws [1].
▶ Replace the cover of the aquastat [2].
Fig. 12 Installing the aquastat
[1] Self-tapping screws C-ST 4.2x13 mm
[2] Aquastat
[3] Sensor Well
[4] Temperature sensor
[5] Compensating spring
Always ensure that the full length of the sensor surface is
in contact with the sensor well.
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