Omni 4000 Series Installation Manual page 33

To safely install a NEMA option, follow these instructions:
1. Verify the panel, cabinet or rack used to
house the flow computer is a bonded
metal surface and is connected to an
Earth Ground.
2. Confirm that the rack or cabinet surface:
•
Meets specifications (including
thickness).
•
Will support the weight of the flow
computer.
Go to Section 8 for technical
specifications.
3. Cut out the front panel mounting plate as
indicated in Figure 3-10 (OMNI 4000) or
Figure 3-11 (OMNI 7000).
Use the 4 factory-supplied screws to
4.
mount the front panel where indicated in
Figure 3-10 or Figure 3-11.
CAUTION: The maximum length of the ribbon cable that connects the keypad to the
CPU module is 24 inches (610 mm). Any length beyond this is not supported.
5. Through the cutout, connect the 24-pin
front panel ribbon cable to the front panel.
CAUTION: Do NOT mount the NEMA chassis vertically. For proper heat transfer,
mount the NEMA chassis flow computer horizontally.
3-11
OMNI 4000/7000 Installation Guide – Rev H
Installation
Front panel
cable to the
CPU