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Honeywell C7076D Product Data page 21

Adjustable sensitivity ultraviolet flame detectors
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OCTAL PLUG
CUT WHITE
COIL WIRES (2)
OCTAL PLUG
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
ALIGNMENT
GUIDE
SHUTTER
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.
MOUNTING
BASE OF 120625B, C, OR D
SCREWS
COIL AND SHUTTER ASSEMBLY
(CHECK VOLTAGE RATING)
COIL
Fig. 21. Replacing the coil and shutter assembly.
21
TRANSFORMER
COIL
MOUNTING SCREW
TRANSFORMER
detector.
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).
SENSING TUBE
M20765
M20766
95-8269—1

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