Operator Manual

Model 7003M

748223-K June 2002

2-5 ELECTRICAL CONNECTIONS

Observe all precautions stated in this manual and in the drawings provided at the back of this manual before installation.

All electrical connections to the analyzer are made on the Power Supply Board connection panel (see Figure 2-2 below and drawing 652683), which is accessed by removing the rear cover.

WARNING

ELECTRICAL SHOCK HAZARD

Do not operate without rear cover secured. Servicing requires access to 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.

Electrical installation must be made in accordance with the National Electrical Code (ANSI/NFPA-70) and/or any applicable national or local codes.

WARNING

ENCLOSURE INTEGRITY

Unused cable conduit entries must be securely sealed by non-flammable closures to provide enclosure integrity in compliance with personnel safety and environmental protection requirements. For watertight installation conforming to the requirements of NEMA Type 4X, use Hoffman plugs (PN A-S050) or equivalent to seal any unused openings.

Provide three separate 1/2 inch conduits as follows:

•Power cable

•Sensor cable

•Alarm cables

1+12V

2-12V

1ANODE

2TEMP SENSE

3NC

4NC

5

 

EPOL

 

ALARM CONTACT RATING:

 

6

 

GND

 

3A 120 VAC

 

 

 

 

7

 

Tx

 

1.5A 240 VAC

 

 

 

3A 30 VDC

 

 

 

 

8

 

Rx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

RET

 

 

 

AC POWER

 

 

 

 

 

1

 

COM

 

AL 1

 

 

 

 

FUSE RATING:

2

 

NC

 

 

 

 

 

115V: 1/4A

3

 

NO

 

 

 

 

 

 

 

250V

 

 

 

 

 

 

 

4

 

COM

 

 

 

 

 

 

230V:

1/8A

5

 

NC

 

AL 2 HOT

NEUT GND

250V

 

 

 

6

 

NO

 

 

 

L1

L2

 

 

 

 

 

 

 

 

 

 

 

 

 

7ISO GND

8ISO CUR-

9ISO CUR+

Figure 2-2. Model 7003M Rear Panel Connections

Rosemount Analytical Inc. A Division of Emerson Process Management

Installation 2-3