Instruction Manual
760000-C
November 2002
4-2 Maintenance and Service
Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA2000 CLD
Signal
Board
655580
Sample
Pressure
Sensor
655253
Ozone
Pressure
Sensor
655254
3
PCB Insulators
Flow Sensor
902931
Thermostat
657298
Ozonator
659494
Transistor
655264
Flow Balance
Metering Valve
903207
Sample
Regulator
655269
Computer Analysis
Board 655520
Insulator
LON/Power
Module
Power Supply
Board 657520
Detector Case
Insulator
Detector Assembly 658160
See Figure 4-3
Driver
Board
655620
NO/NOx Solenoid
655263
Pressure Switch 662298
Fan Guard
Fan Guard
EMI Shield
Converter Assembly 655250
See Figure 4-2
Glass Tube
Connectors
Fan
655245
2
Ozonator Power Supply
657716
Fuse, Power
903347
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4
Figure 4-1. CLD Module Assembly
Optional Bypass Flow Sensor.
Ground wires from ozonator shown.
Flow direction of intake fan (shown) is into case. Flow direction of exhaust fan is out of case.
Fan guard between fan and EMI filter is on the intake fan only (shown).
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2
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