3.4.4 Sensor wiring to signal boards
W
ire the correct sensor leads to the measurement board using the lead locations marked
directly on the board. After wiring the sensor leads to the signal board, carefully slide the wired
board fully into the enclosure slot and take up the excess sensor cable through the cable gland.
For best EMI/RFI protection use shielded output signal cable enclosed in an earth-grounded
metal conduit. Connect the shield to earth ground. AC wiring should be 14 gauge or greater.
Provide a switch or breaker to disconnect the analyzer from the main power supply. Install the
switch or breaker near the analyzer and label it as the disconnecting device for the analyzer.
Keep sensor and output signal wiring separate from power wiring. Do not run sensor and
power wiring in the same conduit or close together in a cable tray.
RISK OF ELECTRICAL SHOCK
Electrical installation must be in accordance with the National Electrical Code
(ANSI/NFPA-70) and/or any other applicable national or local codes.
CAUTION: This symbol identifies a risk of electrical shock.
CAUTION: This symbol identifies a potential hazard. When this symbol ap-
pears, consult the manual for appropriate action.
WARNING
Wiring 23
Instruction Manual Section 3: Wiring
LIQ-MAN-56 April 2017
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