COIL WIRES (2)
REPLACING THE VIEWING LENS
Replacing the Lens in the C7076A Flame Detector
1. Open the master switch to interrupt all power to the
C7076A,D ADJUSTABLE SENSITIVITY ULTRAVIOLET FLAME DETECTORS
BASE OF 120625B, C, OR D COIL AND
SHUTTER ASSMBLY (CHECK VOLTAGE
RATING–100 OR 120)
Fig. 20. Location of the coil and shutter assembly.
BASE OF 120625B, C, OR D
COIL AND SHUTTER ASSEMBLY
(CHECK VOLTAGE RATING)
Fig. 21. Replacing the coil and shutter assembly.
2. If the combustion chamber has a positive pressure,
make sure the airflow through the aspirator equals or
exceeds the value required for seal-off (Fig. 10).