Desa Tech CGD3924PT, CGD3930PT installation manual ContinuedWARNING

Models: CGD3924PT CGD3930PT

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INSTALLING INSTALLING HEATER BASE ASSEMBLY

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You must secure this heater to fireplace floor. If not, heater will move

when you adjust controls. Moving heater may cause a gas leak.

WARNING

if installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel. This will insure adequate air flow and guard against soot-

ing. Raise fireplace floor with non-combustible material. Make sure material is secure.

CAUTION

Do not pick up heater base assembly by the burner. This could

damage heater. Only handle base assembly by grates.

IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work properly. For thermostat models, avoid damage to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting bracket.

Installation Items Needed

hardware package (provided with heater)

approved flexible gas hose (not provided) (if allowed by local codes)

sealant resistant to propane (propane/LP) gas, not provided

electric drill with 3/16" drill bit

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 11).

IMPORTANT:Hold gas regulator with wrench when connecting flexible gas hose.

2.Locate masonry screws in hardware package.

3.Position heater base assembly in fireplace.

4.Mark screw locations through holes in mounting brackets (see Figure 12, page 15). If installing in a brick-bottom fireplace, mark screw locations in mortar joint of bricks.

5.Remove heater base from fireplace.

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

7.Attach base assembly to fireplace floor using two masonry screws (in hardware package) (see Figure 12, page 15).

8.Connect to gas supply. See Connecting To Gas Supply, page 15.

 

(_

 

Regulator

 

_

__eeter

Gas

 

Flexible Gas Hose

Fitting

 

 

 

 

 

(if allowed by local codes)

 

 

! _L_

Figure 11 - Attaching

Flexible Gas Hose to Heater

Gas Regulator

 

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Desa Tech CGD3924PT, CGD3930PT installation manual ContinuedWARNING