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3-18 | Thermox TM 2000 Oxygen Analyzer

Any terminals not described in this section are reserved for future

use.

This wiring section shows you how to make the following connections:

• ACmainssupplytocontrolunit

• ACmainssupplytosensor

• Controlunittosensor

• Controlunittocurrentoutputdevices

• Controlunittoalarmdevices

• Controlunittoremotecalibrationunit

• Controlunittohostcomputer(RS-485communications)

This wiring section also provides mandatory grounding and shielding

requirements.

General Wiring and Conduit Requirements

This section describes general wiring and conduit requirements:

• Sensorwiringconductorsmustberatedataminimumof80°C.All

other wiring conductor ratings should be for the minimum tempera-

ture required for the equipment being connected to the analyzer, but

not less than 60° C.

• Followallapplicableelectricalcodesforyourlocation.

• UseonlytheapplicableNEMA-approvedconduitfittingsorcable

fittings to maintain the NEMA rating for the Series 2000 controller

or sensor enclosure. If not using a conduit entry, leave the factory

NEMA-approved plugs intact. Never leave any holes unplugged.

• ForACmainssupplywiring,usebetween12and14AmericanWire

Gauge (AWG). For all signal wiring, other than to the sensor, use 18 to

22 AWG. For sensor connections, Figure 3-17 shows the recommended

sensor cabling.

• Usetwistedpaircableinrigidmetalconduitorinanoverallbraided

shield for all wires other than AC mains supply.

NOTE

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Ametek Thermox TM2000 User Manual

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