Agilent Technologies TwisTorr 305 FS User Manual page 102

8 Technical Information
Controller Connection
J7 – Vent
Figure 7
This is dedicated 24 Vdc connector to control the optional vent valve (see
orderable parts table). The vent valve can be driven by controller
automatically or by serial line.
If you already have a vent valve installed 110 Vac powered, this valve must
be replaced by a new model (see orderable parts table).
Vent Valve
CLOSED
Figure 8
102/190
Vent Connector
OPEN
RAMP
STOP
START COMMAND
Vent Valve diagram in "Auto" mode
TwisTorr 305 FS Remote Controller User Manual / 87-901-059-01
Vent Valve Relay Vent Valve Open
NORMAL
Win. 126
STOP COMMAND
Time Win. 147