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17
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.
Vent Valve
If you already have a vent valve installed 110 Vac powered, this
valve must be replaced by a new model (see orderable parts
table).
CLOSED
OPEN
Figure 8
214/301
Vent Connector
RAMP
STOP
NORMAL
START COMMAND
Vent Valve diagram in "Auto" mode
TwisTorr 304 FS AG Rack Controller User Manual / 87-901-029-01
Vent Valve Relay
Vent Valve Open
Win. 126
Time Win. 147
STOP COMMAND
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