Technical Information
Controller Connection
156/192 TwisTorr 74 FS AG On-board Controller User Manual / 87-901-054-01
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 P2 Fan Connector
P1 – Vent
Figure 10 P1 Vent Connector
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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