Ignitor

1.

Remove motor and fan

 

guard from heater (see

 

Motor, page 11, steps 1

 

through 5).

2.

Remove black ignitor wire

 

from piezo ignitor. Access

 

ignitor wire through

 

underside of heater base

 

(see Figure 11). Push wire

 

up through bushing in

 

heater shell.

3.

Remove ignitor mounting

 

screw from rear head

Ignitor Wire

Piezo Ignitor

Bushing

Underside of Heater Base

using nut-driver or stan-

dard screwdriver (see

Figure 12).

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 4.32 mm (.17") (see

Figure 13).

8. Test for spark.

WARNING: Make sure

heater is disconnected

from propane supply.

Heater could ignite

causing 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 12, steps

12 through 16).

Figure 11 - Removing Ignitor Wire from Piezo Ignitor

Rear

Head

Ignitor

Mounting

Screw

Ignitor

Figure 12 - Removing Ignitor Mounting Screw and Ignitor

Target

Plate

Gap

Area

Ignitor

Electrode

Figure 13 - Clearance between Ignitor Electrode and Target Plate

13

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Image 13
Desa RCP25 owner manual Ignitor, Causing severe burns