Model 755A

Instruction Manual

245364-V May 2002

SECTION 2

INSTALLATION

2-1 UNPACKING

Carefully examine the shipping carton and contents for signs of damage. Immediately notify the shipping carrier if the carton or its contents are damaged. Retain the carton and packing materials until the instrument is operational.

2-2 LOCATION AND MOUNTING

The analyzer is designed to meet NEMA 3R enclosure requirements and may be mounted outdoors. Permissible ambient temperature range is 20°F to 120°F (-7°C to 49°C).

Avoid mounting outside in direct sunlight, or inside in a closed building, where ambient temperature may exceed the allowable maximum.

Shock and mechanical motion can reduce instrument accuracy; therefore, mount the instrument in an area that is as vibration free as possible.

2-3 VOLTAGE REQUIREMENTS

WARNING

ELECTRICAL SHOCK HAZARD

live parts which can cause death or serious injury. Refer servicing to qualified personnel.

For safety and proper performance this instrument must be connected to a properly grounded three-wire source of power.

NOTE

Refer to Installation Drawing 642349 at the rear of this manual for recommended cable conduit openings.

CAUTION

ENCLOSURE INTEGRITY

With reference to Installation Drawing 642349, any unused cable conduit openings must be securely sealed by permanent closures in order to provide enclosure integrity in compliance with personnel safety and environmental protection requirements. The plastic closures provided are for shipping protection only.

NOTE

For NEMA 3R service, all conduit must be connected through approved fittings.

This instrument was shipped from the factory configured to operate on 115 VAC or 240 VAC, 50/60 Hz electric power. Verify that the power source conforms to the requirements of the individual instrument, as noted on the name-rating plate.

2-4 ELECTRICAL CONNECTIONS

a.Line Power Connections

Electrical power is supplied to the analyzer via a customer-supplied, three- conductor cable, type SJT, minimum wire size 18 AWG. Route power cable through conduit and into appropriate opening in the instrument case (see Installation Drawing 642349). Connect power leads to HOT, NEUT, AND GND terminals on TB1, see Figure 2-1 (page 2-2). Connect analyzer to power source via an external fuse, in accordance with local codes.

NOTE

Do not draw power for associated equipment from the analyzer power cable.

Rosemount Analytical Inc. A Division of Emerson Process Management

Installation 2-1