Electronical Wiring; Integration Of Controller Roth Bw / Bwh - Roth ST 20/11 Manual

Pump station ST 20/11

6. Electronical wiring

The unit must only be located internally. It is not
suitable
for installation in hazardous locations and should
not be
sited near to any electromagnetic field. The
controller must additionally be equipped with an all-
polar gap of at least 3 mm or with a gap according

6.1 Integration of controller Roth BW / BWH

View without forepart insulation jacket
- Draw off the front insulation jacket.
- Insert the controller into the provided recess of the
insulation and fix it by the fastening screws (3 x 30) and
large washers.
- Electrical connections (plug, sensor- and relay-connec-
tions) must be made at the controller according to the
enclosed manual.
- The cables - especially that of the pump - must be of
sufficient length so that the front jacket can be removed
without damaging the controller. Please ensure that the
cables do not contact with hot pipes !
- Mount the frontof the insolation jacket again.
All manuals and user guides at all-guides.com
to the valid installaton regulations, e.g. LS-switches
or fuses. Please pay attention to a separate laying of
the cable lines and installation of ac power supply.
To reach the conncetion clamps of the controller the plastic
slide has to be drawn down. Afterwards, the housing of the
controler be opened from the front. Further procedure
according to the respective manual.
More detailed information for installation of the
controller can be taken from the manual
Roth BW / BWH.
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