Installing The Aquastat - Bosch DHW Tank QWST120 O Installation And Maintenance Instructions Manual

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Installation
5.3.2

Installing the Aquastat

DANGER: Risk of fatal injury from electric
shock.
B Disconnect all electrical power before
working on the system.
B Remove cover from the Aquastat.
B If necessary, remove any unnecessary attachments.
Attach bracket [3] to Aquastat [2] by means of 2 self-
tapping screws [1].
2
1
Fig. 8
Attaching the Aquastat to the bracket
1
Self-tapping screws C-ST 4.2x13 mm
2
Aquastat
3
Bracket
10
B Feed the temperature probe [4] with the spring [5]
into the sensor well [3]. Ensure that the probe makes
contact with the well wall over its entire length.
B Attach Aquastat [2] to the DHW tank by means of
2 self-tapping screws [1].
3
Fig. 9
6 720 648 100-08.1ITL
1
Self-tapping screws C-ST 4.2x13 mm
2
Aquastat
3
Sensor well
4
Temperature sensor
5
Spring
B Replace the cover of the Aquastat.
2
1
Installing the Aquastat
Connect the electrical power and set the
temperature as shown in the manual
supplied with the Aquastat.
3
4
5
6 720 648 100-09.1ITL
6 720 648 071 (2012/03)

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