INSTALLATION

Continued

INSTALLATION ITEMS

Before installing heater, make sure you have the items listed below.

for propane/LP gas, external regulator (supplied by installer)

piping (check local codes)

sealant (resistant to propane/LP gas)

equipment shutoff valve *

ground joint union

sediment trap

tee joint

pipe wrench

for natural gas, test gauge connection*

*A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. The optional CSA design- certified equipment shutoff valve can be purchased from your dealer. See Accessories, page 23.

REMOVING FRONT PANEL OF HEATER

1.Remove and discard shipping screw from back panel of heater (see Figure 4).

2.Remove the four screws, two on each side of front panel. Set aside.

3.Pull front panel forward from the bottom, then lift panel up to remove. If ignitor is installed, pull front panel forward only 2" to 3" (5 to 7.6 cm) away from back panel. Reach into lower right side of heater and disconnect ignitor wire. Set front panel aside.

4.Remove any remaining packaging materials.

Shipping

Screw

Location

Front Panel

 

Ignitor

 

 

 

Screw

Wire

 

 

Figure 4 - Removing Front Panel Of Heater

Installing Glass Panel

Items needed from hardware packet:

1 - Bushing

4 - Black spacers

4 - Retaining clips

4 - 1.5" long screws

4 - Screw covers

1.Locate hardware packet and dark acrylic glass.

2.Peel protective coating from both sides of glass.

3.Snap bushing into center front hole of front panel (see Figure 5).

4.Turn front panel face down. Gently press onto a hard surface to snap bushing into hole. Turn panel back over, face up.

5.Place spacers over 4 holes on front panel as shown in Figure 5.

6.Position glass on top of spacers, aligning holes. Note: If glass gets scratched or marred from normal use, it may be reversed on heater.

7.Place 4 retaining clips on glass over holes.

8.Install screws in each hole, but do not tighten at this time.

9.Square glass up with top front surface of front panel. Tighten screws.

10.Snap screw covers over retaining clips.

Screw Cover

Bushing

 

Retainer Clip

 

Glass Panel

Spacer

Front

 

 

Screw

Panel

 

 

Figure 5 - Installing Glass Panel

INSTALLING IGNITOR

 

1.Locate ignitor in hardware bag. Determine if your heater is equipped with piezo ignitor or an electronic ignitor (see Figures 6 and 7, page 9.

2.For Piezo Ignitor, snap ignitor into hole located on right side of heater as shown in Figure 6, page 9.

3.For Electronic Ignitor, install ignitor through hole located on right side of heater as shown in Figure 7, page 9.

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Desa VSL18NT, VSL18PT Installation Items, Removing Front Panel of Heater, Installing Ignitor, Installing Glass Panel