Instruction Manual

748297-E June 2003

Model NGA2000 HFID

2-5 ELECTRICAL CONNECTIONS

Two electrical connections are required on the Analyzer Module: POWER and NETWORK (See Figure 2-3 below). On the Analyzer Mod- ule, two NETWORK connectors are available, either of which is appropriate for: 1) interconnection with the control module or 2) "daisy-chaining" with other NGA2000 compo- nents. Connect Analyzer Module POWER to an external +24 VDC power source with a voltage tolerance of ±5% and a minimum power rating of 120 watts.

NETWORK1

NETWORK2

POWER

FUSE

Figure 2-3. Front Panel Electrical

Connections

BURNER AIR

FUEL

!WARNING

POSSIBLE

EXPLOSION HAZARD

Hydrogen fuel gas is used in this instrument. Do not remove fuel restrictor or operate at greater than 50 psig. An explosion resulting inseverepersonalinjury or death couldoccur.

!ATTENTION

DANGER D′EXPLOSION

Cet instrument contient du gaz hydrogene. Ne retirez pas le limitateur d′de

combustible, et n′operez pas au plus de 50 psig

Cesconditionspeuventprovoqueruneexplosion

POWER

LON

OVEN 1 HEAT

FLAME

ONLON 2

PURGE

AIR

 

1 +

 

24V 2 -

FUEL

3 GND

OVERRIDE

 

T 6A

IGNITE

250 V

 

HFID

!WARNING

POSSIBLE

EXPLOSION HAZARD Do not operate flammable

sample without following instructions in the Manual. An explosion resulting in severe personal injury or death could occur.

!ATTENTION

DANGER

Ne pas utiliser l′echantillon inflammable avant d′avoir pris connaissance des instructions contenues dans le manuel. Le non respect de ces instructions peut entrainer une explosion provoquant des blessure graves ou mortelles.

Figure 2-4. Front Panel Connections, Controls and Indicators

2-6

Installation

Rosemount Analytical Inc. A Division of Emerson Process Management