30,000 BTU/Hr
PROPANE CONSTRUCTION HEATER
SERVICE
PROCEDURES
Continued
IGNITOR
1.Remove motor and fan guard from heater (see Motor, page 8, steps 1 and 2).
2.Remove black ignitor wire from piezo ignitor. Access ignitor wire through un- derside of heater base (see Figure 16). Push wire up through notch in filler panel.
3.Remove ignitor mounting screw from rear head using
4.Remove ignitor from rear head.
5.Install new ignitor. Attach ignitor to rear head with ignitor mounting screw.
6.Run ignitor wire from new ignitor through notch in filler panel. Attach ig- nitor wire to piezo ignitor.
7.Set gap between ignitor electrode and target plate to .17" (see Figure 18).
8.Test for spark.
WARNING: Make sure heater is disconnected from propane supply. Heater could ignite caus- ing severe burns.
Push piezo ignitor button and watch for spark between ignitor electrode and target plate.
9.Place motor and fan guard into rear of heater shell (see Motor, page 8, steps 9 and 10).
Piezo Ignitor
Underside of
Heater
Ignitor Wire
Figure 16 - Removing Ignitor Wire from Piezo Ignitor
Mounting Screw
Ignitor
Figure 17 - Removing Ignitor Mounting Screw and Ignitor
Ignitor Electrode
Gap
Area
Figure 18 - Clearance between Ignitor Electrode and Target Plate
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