502-3000 Series Ztron
TM
Point Level Control
Installation
8
2.3 Power Wiring
CAUTION
Do not open the enclosure cover or make/break
any electrical connections without first discon-
necting electrical power at the source. Ensure
that the wiring, electrical fittings and conduit
connections conform to the electrical codes for
the specific location and hazard level.
The 502-3000 Ztron level control is not approved
for use in a hazardous location.
Refer to Figures 2-5 through 2-9 for the appropriate power
wiring drawing and use the following procedure to wire the
Ztron level control:
a.
Ensure that all power to the wiring is off.
b.
Remove the cover.
c.
The power connections are made to terminals 1, 2, and 3
on the electronic chassis as shown in Figures 2-5 through
2-9, using 12-28 gauge wire. The Ztron level control
requires at least 1 watt of power (up to 5 watts).
d.
The alarm relays are wired as shown in Figure 2-10.
e.
Review Checklist:
•Wiring correct.
•Input voltage matches instrument label.
•Proper output connections.
f.
Replace the cover prior to restoring power if in hazardous
area.
g.
Turn power on.
