ka yd en
. c o m
16
Insta lla tion Guid
elines
CLASSIC 800 Product Manual
V. ELECTRICAL
1
. General
•
Ensure all electrical installation is in accordance with all applicable local and national electrical
code requirements. The CLASSIC 800 series standard configuration includes an explosion-proof
enclosure. The CLASSIC 800 Series is approv
ed to Factory Mutual (FM), Canadian Standards
Association (CSA) and Underwriters Laboratory (UL) standards and must be installed in
accordance with these applicable codes and standards.
•
Power Supply:
For applications using a DC power supply, ensure the power has less than 2%
ripple.
•
Switch/Transmitter Enclosure:
The switch/transmitter enclosure must be grounded in accordance
with local and national electrical codes. The most effectiv
e grounding method is a direct internal
connection to earth ground with minimal impedance. The (green) Internal Ground Connection screw
is located inside the electrical enclosure and is identified by the univ
ersal ground symbol.
2. Wiring Connections to the Switch/Transmitter
•
To make the electrical connections to the CLASSIC 800, it is necessary to remov
e the Electronics
Module as follows:
A. Remove the Cover:
•
Turn the external stainless steel locking screw clockwise with a 5/32” (#1 0) Allen Key and
turn the cov
er counter clockwise until it can be lifted off the enclosure.
B. Remove the Electronics Module:
•
To remov
e the Electronics Module, pull upward with an equal force on both stainless steel
handles. Care should be taken to av
oid damaging the sensor cable attached to the
Electronics Module. Practice ESD (electrostatic discharge) procedures when handling the
Electronics Module.
•
Electrostatic discharge may damage the electronics! Nev
er place the Electronics Module on a
surface or pass it to another person in a way that would allow an electrostatic discharge to
pass through it.
C. Removing the Sensor Connector from the Electronics Module:
•
Refer to Figure 1 0.
•
The Electronics Module must be remov
ed from the enclosure before any wiring can be
connected to the Mounting Base Plate. Disconnect the sensor connector from the
Electronics Module by disengaging the locking tab and pulling (with fingers) on the corners
of the small black connector. Do not pull directly on the wires. The use of pliers may damage
the connector.
1 .
Mount the enclosure so that moisture/liquids will not enter the
switch/transmitter enclosure. If conduit connections are not sealed,
moisture accumulation can damage the switch/transmitter.
2.
Grounding the switch/transmitter enclosure v
ia threaded conduit
connection may not prov
ide sufficient ground continuity.
3.
Do not run the transient protection ground wire in the same conduit as the
signal wiring as the ground wire may carry excessiv
e current if a lightning
strike occurs.
CAUTION
!
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Summary of Contents for CLASSIC 800 Series
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