Carbon Monoxide Alarm User Manual

NGA 2000 CLD
Instruction Manual
HAS60E-IM-HW
June 2007
4 - 6 Maintenance and Service Emerson Process Management GmbH & Co.OHG
Figure 4-3: Detector Assembly
Photodiode
Ozone
Detector Mounting
Bracket
Photodiode Sock
e
Assembl y
Thermistor
Assembl y
Reaction
Chamber
Sapphir
e
Windo
w
Exhaust
Sample
O - Ring 854540
Sapphire Wind ow
Cushioning Gasket
Tubing Cov er
Heater
*
Heater
*
Therm ostat
*
Reaction Ch amber
Retain er G asket
M3X0.5 x 25mm Screw (2)
3mm Spring W ash er (2)
O - Ring 876478
Phot odi ode Ass embly
(see detail below)
(see detail below)
M3X0.5 x 20mm Screw (2)
3mm Spring W ash er (2)
Detector Cover
M3X0.5 x 16mm Screw (2)
3mm Spring W ash er (2)
Phot odi od e
Cable
Lower Cover
Insul ator
(between Lower Cov er
and Mounting Br acket)
Nylon Shoulder
Washers (3)
Phot odi ode C as e
Ground
M3X0.5 x 16mm
Screw (3)
*
Heater/Thermostat Assembly 655235.
Detector Header
M3X0.5 x 16mm Screw (2)
3mm Spring W ash er (2)
Filterboard
Photodiode
655258
Thermistor
655216
Ground
Photodiode
Socket Assembly