6
Z0X-2 Series Z-tron III
TM
Point Level Control
2.4 Power Wiring
CAUTION
Do not open enclosure cover or make/break any
electrical connections without first
disconnecting electrical power at the source. Ensure
that area is non-hazardous. Ensure that wiring,
electrical fittings and conduit connections conform to
electrical codes for the specific location and hazard
level.
The Z-tron III level control is a general purpose device
and is not agency approved for use in hazardous
locations. If agency approval is required, contact your
local AMETEK Drexelbrook representative or call 1-
800-553-9092.
Refer to Figures 2-5 through 2-7 for the appropriate power
wiring and use the following procedure to wire the Z-tron III
level control:
1. Ensure that all power to the wiring is off.
2. Remove the cover.
3. The power connections are made to terminals 1, 2, and
3 on the electronic chassis as shown in Figures 2-5
through 2-7, using 12-28 gauge wire. The Z-tron III
level control requires at least 1 watt of power.
4. The alarm relays are wired as shown in Figure 2-8.
5. Review Checklist:
a. Wiring correct.
b. Input voltage matches instrument label.
c. Proper output connections.
6. Replace the cover prior to restoring power if in a
hazardous area.
7. Turn power on.
