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tighten with the same two screws as seen in
Illus. 12. (the optical probe is designed so
that it can only be installed the proper way).
4.4 Audible signalling device with
extension cable
An optional audible external signalling devi-
ce (Product Number 20162) can be connec-
ted if it is required to transmit the audible
warning signal to other areas of the building.
control system.
4.5 Potential free contact
An optional Potential free contact (Article #
80072) can be installed to allow the Pump-
fix
®
F to be connected to a warning beacon,
audible alarm or a buildingʼs central control
system. The additional circuit board is plug-
ged into the mother board inside the control
unit and fastened with the 4 provided scr-
ews (as seen in Illustration 13).
4. Electrical connections
Illus. 11
Illus. 12
9
4.6 Shortening the cables
The cables from the control unit to the
Pumpfix
®
F can be shortened if necessary.
However, please insure that there is always
enough cable so that the Pumpfix
and cover can be removed for inspection
and maintenance.
1.
2.
3.
Illus. 13
®
F motor
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