Pressure Systems, Inc.
9016 Upgrade Instructions
www.PressureSystems.com
8
C1 tube
Figure 7a
PC-327 Board
C4 tube
C4 tube
P1 connection
Figure 8
PC-322/323 Boards
P3
connection
P6 connection
Installing the PC-322/323 Boards
As previously mentioned, the PC-322 and the PC-323 boards will arrive to you completely
connected and may be installed very similarly to the installation of the old PC-280 board. (See
Figure 8
.)
(1)
Use the same precautions as previously noted when removing these boards from their
protective shipping container; i.e., prevention of electrostatic discharge damage.
(2)
The calibration valve control wires are attached to connector P6 (as shown in
Figure 8
).
The routing of these wires will need to be changed during the upgrade. The wires connected
to the four pin P6 connector will need to be freed from about one-half of the white spiral
wire wrap. This may be accomplished by unwinding approximately half of the nylon spiral
