Instruction Manual

748297-E June 2003

Model NGA2000 HFID

i.Front Panel Components

The following components are mounted to the front panel:

LON/Power Module

Manual Ignite Toggle Switch

LED Indicator Assembly

Purge Air Regulator

Purge Air Flow Switch

Burner Air Solenoid Valve

Burner Air Regulator

Fuel Regulator

Burner Air Sensor

Fuel Sensor

Air Ignite Restrictor

Air Measurement Restrictor

Connector

fitting

Burner Air Solenoid Valve 656219

Air Measurement

Regulator Mounting Nut

 

Restrictor 656888

 

 

 

 

 

Diffuser

 

 

 

657548

Regulator Mounting Bracket

Air Ignite Restrictor

Purge Air Flow

 

 

655794

 

 

 

Switch 656533

 

 

 

Purge Air Regulator

 

LON/Power Module

Burner Air Sensor

871672

 

 

656560

 

 

656443

 

 

 

 

Male Adapter

 

 

 

Fitting

 

 

 

Plugs

O-Ring

LED Indicator Assembly

 

Manual Ignite

010177

657029

 

 

 

Fuel Sensor

Toggle Switch

 

O-Ring

657053

 

656444

 

011167

Sensor Fittings 657412

Burner Air Regulator 902832

Fuel Regulator 902832

O-Rings 008025

Toggle Switch Seal 898980

Figure 4-20. Front Panel – Exploded View

4-22 Maintenance and Troubleshooting

Rosemount Analytical Inc. A Division of Emerson Process Management