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Technical Information
Controller Connection
Controller Connection
P2 – Fan
The 24 Vdc, 100 mA output is present after Switch ON of the
controller. This is a dedicated output for the optional
TwisTorr 74 FS AG pump cooling fan (see orderable parts table).
If a fan is already installed, use the available adapter cable to
connect to the pump.
Figure 9
P1 – Vent
Figure 10
This is the connector to control the optional vent valve (see
orderable parts table). The vent valve can be driven by the controller
automatically or via a serial line. If a 110 Vac-powered vent valve
has already been installed, it must be replaced (see orderable
parts table).
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P2 Fan Connector
P1 Vent Connector
TwisTorr 74 FS AG On-board Controller User Manual / 87-901-054-01
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