Service manual

UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL
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15.3 Ignition Electrode and Flame Probe for Models UHD[T][M][X][S][R] 150-400
Description Part Number Qty.
Spark Electrode 90427411 1
Automatic Ignition Flame Probe 90439300 1
Transformer 90436900K 1
Ignition Module 90434008 1
Inshot Burners UHD[T][M][X][S][R] 150 92000001 7
Inshot Burners UHD[T][M][X][S][R] 175 92000001 8
Inshot Burners UHD[T][M][X][S][R] 200 92000000 9
Inshot Burners UHD[T][M][X][S][R] 225 92000000 10
Inshot Burners UHD[T][M][X][S][R] 250 92000000 11
Inshot Burners UHD[T][M][X][S][R] 300 92000000 12
Inshot Burners UHD[T][M][X][S][R] 350 92000000 14
Inshot Burners UHD[T][M][X][S][R] 400 92000000 14
Limit Switch (150 - 400) [300 - 400 LOWER] 90412103 1
Limit Switch (300 - 400) [UPPER] 90412105 1
To replace the ignition electrode or flame probe, remove the
electrical lead and screw. Pull out from mounting. Refit in reverse
ensuring that the gap to burner is as shown in the front view of the
burner compartment.