Desa VVDA18M, VVSA24M, VVDA24M, VVDA30M, VVSA18M Removing/Installing Cover, Control Knob

Models: VVDA30M VVDA24M VVDA18M VVSA18M VVSA24M

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INSTALLATION

Hearth Pan Installation (Cont.)

7

INSTALLATION

Continued

4.Using a wrench, remove gas control valve and burner inlet fitting by turning counterclockwise (see Figure 8).

5.Remove the burner inlet fitting from the gas control assembly (see Figure 8). DO NOT remove the orifice from this fitting. The propane/LP burner inlet fitting is included in the hard- ware kit (see Figure 9).

6.Be sure to use the correct orifice for your appliance. The ori- fice kit included with this appliance contains an orifice installed in an air mixer fitting.

7.Using thread sealant (resistant to the action of propane/LP gas) on smaller end of fitting, screw the burner inlet fitting into the outlet side of the gas control (see Figure 8). Tighten using a wrench.

8.Thread gas control valve and burner inlet fitting into burner manifold (see Figure 8). Use thread sealant on male threads of burner inlet fitting. Secure with a wrench. Make sure control rod is facing the front (see Figure 8).

 

Screw

 

Thermocouple

 

 

 

Pilot

Control

 

 

 

Knob

Valve Cover

Ignitor

 

Control Rod

Piezo Ignitor

 

 

 

 

 

Extension

 

 

 

Figure 7 - Removing/Installing Cover, Control Knob, and

Piezo Ignitor

 

 

 

 

Burner Inlet

 

 

Fitting for

 

 

 

Natural Gas

 

 

 

 

Control

 

 

 

Valve

 

Control Rod

Figure 8- Remove Burner Inlet Fitting

 

 

Injector for

 

 

Injector for

Natural Gas

 

 

Propane/LP

 

 

 

Gas

NATURAL

 

PROPANE/LP

GAS FITTING

 

GAS FITTING

9.To adjust regulator pressure, remove the brass hex plug from regulator (see Figure 10).

10.Remove the plastic pressure button from the brass plug (see Figure 10).

11.Reverse the plastic pressure button and replace it into the brass plug (see Figure 10).

12.Replace brass plug into regulator.

13.Using two screws removed in step 2, page 6, replace valve cover.

14.Gently loosen and remove the pilot line connection from the pilot bracket (see Figure 11).

15.Replace injector with propane/LP injector with red stripe.

16.Replace and tighten pilot line to bracket.

17.Using screws removed in step 2, page 6, reattach pilot bracket to valve cover.

18.Continue with step 1 under Hearth Pan Installation, page 6.

Regulator

Reversed Plastic

 

 

Pressure Button

 

for Propane/LP

 

Conversion

 

Brass Plug

Plastic Pressure Button Positioned for Natural Gas

Figure 10 - Adjusting Regulator Pressure for Conversion

Pilot Bracket

Pilot Injector

Pilot Adjustment Screw

Figure 11 - Installing Propane/LP Pilot Orifice

Figure 9 - Burner Inlet Fittings with Injectors

For more information, visit www.desatech.com

901268

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Desa VVDA18M, VVSA24M, VVDA24M, VVDA30M, VVSA18M installation manual Removing/Installing Cover, Control Knob