Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.
Front Fireside Access
Rear Fireside Access
IGNITION AND FLAME DETECTION SYSTEMS
Figure 5-1 Electrode spacing CFLC
Pilot and UV Scanner
Maintenance of the UV scanner consists of periodic inspection and cleaning.
Figure 5-2 Figure 5-2
Source: Cleaver Brooks