Desa Connecting to GAS Supply, Attaching Flexible Gas Hose to Heater Gas Regulator

INSTALLATION

Installing Heater Base Assembly (Cont.) Connecting To Gas Supply

11

INSTALLATION

Continued

1.Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator. Connect approved flexible gas hose to gas regulator of heater (see Figure 12).

IMPORTANT: Hold gas regulator with wrench when connect- ing flexible gas hose.

2.Locate masonry screws in hardware package.

3.Position heater base assembly in fireplace.

4.Place logs in their proper position on heater base, see Installing Logs on pages 13 through 16.

5.Center heater base and logs front-to-back and side-to-side in fireplace.

6.Carefully remove logs without moving heater base.

7.Mark screw locations through holes in mounting brackets (see Figure 13 or 14). If installing in a brick-bottom fireplace, mark screw locations in mortar joint of bricks.

8.Remove heater base from fireplace.

9.Drill holes at marked locations using 3/16" drill bit.

10.Attach base assembly to fireplace floor using two masonry screws (in hardware package) (see Figures 13 or 14).

Figure 12 - Attaching Flexible Gas Hose to Heater Gas Regulator

Masonry

Screw

Mounting

Bracket

Masonry

Screw

Mounting

Bracket

Figure 14 - Attaching Base Assembly to Fireplace Floor - Single Burner Model

CONNECTING TO GAS SUPPLY

WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pres- sure regulator.

WARNING: A qualified service person must con- nect heater to gas supply. Follow all local codes.

Installation Items Needed

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

•piping (check local codes)

•sealant (resistant to propane/LP gas)

•equipment shutoff valve *

•test gauge connection *

•sediment trap

•tee joint

•pipe wrench

*A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessories, page 36.

Figure 13 - Attaching Base Assembly to Fireplace Floor - Dual Burner Model

WARNING: Never connect heater to private (non- utility) gas wells. This gas is commonly known as wellhead gas.

CAUTION: Use only new, black iron or steel pipe. Internally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of 1/2" diam- eter or greater to allow proper gas volume to heater. If pipe is too small, undue loss of volume will occur.