Wiring
General Wiring Procedures
Note
Connect the AC wiring Earth ground to the internal safety ground
terminal (on the inside of the detector housing) as shown in the wiring
diagram. Do not connect the shield from the signal cable at the detector
end.
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8.
Position the two brass-colored centering plates over the circuit board
with the smaller plate on top of the larger plate. Be careful to not pinch
any wiring. Thread in and finger-tighten the four screws that secure the
centering plates.
9.
Insert a medium-sized flat blade screwdriver into the stepped (jagged)
opening in the larger centering plate. Twist the screwdriver to push the
two plates apart until the detector is locked in position. Tighten the
four screws to secure the centering plates and the detector.
10.
When the wiring is complete, replace and secure the detector housing
cover.
For the Transmitter
EMC Requirement for
ATEX Version of 1400S
Transmitters
In order for the 1400S transmitter to meet electromagnetic emission
requirements for CE-EMC approvals, ferrite clamps must be installed
within the transmitter enclosure on all power and signal wiring going into
and out of the transmitter housing.
One ferrite clamp is installed on the wires of the AC power supply input.
Five additional ferrite clamps are provided with the EMC ferrite clamps kit
(p/n 868773). The installation procedure accompanies the kit. It is also
provided in
Note
The ferrite clamps are only used in the ATEX version of the 1400S
transmitter. They are not required for the CSA version or the plastic 1400A
transmitter.
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Thermo Fisher Scientific
Den Installation Guide
4-5
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