Ignitor

SERVICE PROCEDURES

Ignitor

SERVICE PROCEDURES

Continued

1.Remove motor and fan guard from heater (see Motor, page 8, steps 1 through 5).

2.Remove black ignitor wire from piezo ignitor. Access ignitor wire through underside of heater base (see Figure 14). Push wire up through bushing in heater shell.

3.Remove ignitor mounting screw from rear head using nut-driver or standard screwdriver (see Figure 15).

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 bushing in heater shell. Attach ignitor wire to piezo ignitor.

7.Set gap between ignitor electrode and target plate to .17" (see Figure 16).

WARNING: Make sure heater is disconnected from propane supply. Heater could ignite causing severe burns.

8.Test for spark. 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 through 10).

Rear Head

Ignitor

Mounting

Screw

Figure 15 - Removing Ignitor Mounting Screw and Ignitor

	Ignitor
Target Plate	Electrode
Target Plate

Gap

Area

Figure 16 - Clearance between Ignitor Electrode and Target Plate

Ignitor Wire

Piezo Ignitor

Bushing

Underside of

Heater Base

Figure 14 - Removing Ignitor Wire from Piezo Ignitor

For more information, visit www.desatech.com

105331-01C

ROPANE CONSTRUCTION HEATER specifications

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