Instruction manual

Table Of Contents
NGA 2000 HFID
Instruction Manual
HAS64E-IM-HW
September 2008
IV Table of Contents Emerson Process Management GmbH & Co.OHG
4-6 THERMAL BLOCK.................................................................................................... 4 - 12
a. Sample RTD ......................................................................................................... 4 - 12
b. Cartridge Heater ................................................................................................... 4 - 12
c. Thermostat ........................................................................................................... 4 - 13
d. Sample Capillary .................................................................................................. 4 - 13
4-7 ELECTRONICS ASSEMBLY .................................................................................... 4 - 14
a. Printed Circuit Boards ........................................................................................... 4 - 15
b. Case Temperature Sensor .................................................................................... 4 - 16
c. Case Pressure Purge Switch ................................................................................ 4 - 16
d. Preamp Assembly ................................................................................................. 4 - 17
4-8 FAN ASSEMBLY ....................................................................................................... 4 - 18
4-9 FLOW CONTROLLER .............................................................................................. 4 - 19
4-10 DC POWER SUPPLY MODULE ............................................................................... 4 - 20
4-11 FRONT PANEL COMPONENTS .............................................................................. 4 - 21
Replacing Front Panel Components ......................................................................... 4 - 22
a. LON/Power Module .......................................................................................................4 - 23
b. LED Indicator Assembly ................................................................................................4 - 23
c. Manual Ignite Toggle Switch ..........................................................................................4 - 23
d. Burner Air Sensor ..........................................................................................................4 - 23
e. Fuel Sensor ...................................................................................................................4 - 23
f. Burner Air and Fuel Regulator .......................................................................................4 - 23
g. Purge Air Regulator .......................................................................................................4 - 23
h. Purge Air Flow Switch and Diffuser ...............................................................................4 - 24
i. Burner Air Solenoid Valve ..............................................................................................4 - 24
j. Air Ignite Restrictor ........................................................................................................4 - 24
4-12 REAR PANEL COMPONENTS ................................................................................. 4 - 25
a. Fuel In 2-Way Solenoid Valve ............................................................................... 4 - 26
b. Burner Air In Filter................................................................................................. 4 - 26
c. Heated Bypass Sample Out and Heated Sample In Restrictors........................... 4 - 26
d. Regulated Air In Check Valve ............................................................................... 4 - 26
4-13 LEAKAGE TEST ....................................................................................................... 4 - 27
a) Required Tools ...................................................................................................... 4 - 27
b) Procedure ............................................................................................................. 4 - 27