Rice Lake 320IS Plus Intrinsically Safe Digital Weight Indicator - IS-EPS-100-240 Power Supply Instructions User Manual
Conduit system (supplied by customer)
IS-EPS-100-240 Power Supply Instruction Sheet
The IS-EPS-100-240 Power Supply is an FM-Entity Approved for Class 1 Division I Groups A, B, C, D and Class
II Division I Groups E, F, G and Class III (install per RLWS Control Drawing 77321, T-rating T4).
Manuals can be viewed or downloaded from the Rice Lake Weighing Systems distributor site at
www.ricelake.com
.
Wire
Description
Green
Ground
Black or Brown
Hot
White or Blue
Neutral
DC Cable
Conduit Seal
Important
Important
WARNING
Do not, under any circumstances, disconnect the DC wire from the indicator while the AC power is
applied to the power supply. This will cause the power supply fuse to blow.
If modifications are made to the installation procedure, or the instrumentation is changed in any way
including field repair or modification, Factory Mutual approval is void, and all warranties expressed or
implied are void. The customer becomes fully responsible and liable for such modifications.
Complete all trimming of cord lengths and connections to the indicator before applying AC power.
Conduit System (Supplied by Customer)
AC Line Voltage Feed:
The power supply AC line voltage feed must be run through conduit and be properly sealed. The installer must
comply with RLWS installation drawings as well as the National Electrical Code for installation of equipment in
hazardous areas (NEC Article 504, Intrinsically Safe Systems).
WARNING
Appropriate conduit seal is required at enclosure entrance for AC power when installed in a Division
1 Hazardous Location.
Table 1. AC Wiring Connections
October 22, 2014
PN 79820 Rev B