120-54 January, 2016
Model F120 UV/IR Flame Detector
REPLACING THE SELF-TEST LAMP
!
WARNING: Access to the interior of the ame detector or removal of the electronic
module must only be conducted by trained personnel.
!
WARNING: De-classify the area to reduce the risk of ignition of hazardous atmosphere.
Combustible and ammable gases and vapors are very dangerous. Extreme caution
should be taken when these hazards are present.
The ame detector’s self-test lamp is located within the front detector housing. The self-test
lamp is installed on the electronics board that is attached on the front housing. If the self-
test lamp is damaged or non-functional, the entire self-test lamp electronics module must
be replaced.
Contact the factory to order a new replacement self-test lamp and electronics board for the
ame detector.
(1) Front Housing
(2) Viton O-Ring Seal
(3) Self-Test Lamp and Electronics Board
(4) Plug-in Electronics Module
(5) Terminal Blocks
(6) Rear Housing
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