S90-010 M
Page 12
ADDING AND REPLACING BOARDS
QUANTUM
Replacing the Main Board involves a Flash Card memory
load which will clear the current setpoints and data stored
in the non-volatile memory on the main board. It is
suggested that the operator first record all control
setpoints prior to board re-placement. Factory Setup
settings will also be lost. The setpoint data sheets are
useful for recording this information. Make sure that the
operator can access Factory Setup to restore all
compressor specific settings.
The procedure to replace the main board is outlined
below:
1.
Shut off control power.
2.
Remove the old board from the machine and the
new board from its packing and place both on an
anti-static surface.
3.
Remove the battery from the old board and install
in the new board.
4.
Then install the modified replacement board in
the panel.
5.
Verify that all jumpers are installed properly.
6.
Follow the directions in the Factory Setup manual
(S90-10-FSI) for the procedure to reload a
program Flash Card.
ANALOG AND DIGITAL BOARDS
The procedure to replace an analog or a digital board is
outlined below:
1.
Shut off control power.
2.
Remove the old board from the machine and the
new board from its packing and place both on an
anti-static surface.
3.
Remove any required chip(s) from the defective
board and install them in the replacement board.
FRICK QUANTUM COMPRESSOR CONTROL PANEL
MAINTENANCE
4.
Check that all jumpers, dip switches and
components are properly setup on the new board
as it was on the old board.
5.
Install the modified replacement board in the
panel.
The procedure to add an analog or a digital board is
outlined below:
1.
Remove the new board from its packing and
place it on an antistatic surface.
2.
Make sure the board's dip switch ID has been set
properly.
3.
Check that all jumpers and components are
properly setup.
4.
Shut off control power.
5.
Install the new board in the panel. See the
Control
Center
640D0070) for proper mounting location of the
board.
6.
To
prevent
possible
improper wiring:
·
When routing wiring to the terminal strip,
keep as much separation as possible
between the analog boards wiring and the
AC control wiring of the digital I/O boards.
·
DO NOT run any AC lines parallel to sensor
lines!!
After replacing or installing an analog or digital board and
powering on the control panel, select [Detect I/O Boards]
from the "Change Communications" display in Panel
Setup. This selection provides a method to detect all
connected Analog and Digital boards. If a board has been
removed, a communication error shutdown will be issued
until this key is selected. The "About" screen will show
what was detected.
Assembly
(drawing
no.
noise
problems
from
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