Rice Lake Intrinsically Safe - Manual (Page 14)

8 320IS Installation Manual
2.0 Installation
This section describes installation of load cells, power supply, fiber optics, and ferrite bead for the
320IS
indicator.
Use a wrist strap to ground yourself and protect components from electrostatic discharge (ESD) when
working inside the indicator enclosure.
It is mandatory to return the 320IS to Rice Lake Weighing Systems for circuit board level service.
Component level repair, excluding board-swapping, is not permitted on Factory Mutual Approved
equipment by anyone other than the manufacturer.
2.1 Unpacking and Assembly
Immediately after unpacking, visually inspect the
320IS
to ensure all components are included and undamaged.
The shipping carton should contain the indicator with attached tilt stand, this manual, and a parts kit. If any parts
are missing or were damaged in shipment, notify Rice Lake Weighing Systems and the shipper immediately. See
Table 2-5 on page 19 for parts kit.
2.2 Enclosure Disassembly
The indicator enclosure must be opened to connect cables for load cells, communications, and power.
Before opening the unit, ensure the power is disconnected from the power outlet.
1. Ensure power to the indicator is disconnected.
2. Place the indicator face-down on an antistatic work mat.
3. Remove the screws that hold the backplate to the enclosure body.
4. Lift the backplate away from the enclosure and set it aside.
CAUTION
Important
WARNING