INSTALLING HEATER BASE ASSEMBLY

INSTALLATION

Continued

See chart below for minimum permanent flue opening you must provide. Attach damper clamp so the minimum permanent flue opening will be maintained at all times.

Chimney

Minimum Permanent

Height (ft.)

Flue Opening (sq. in.)

 

 

6' to 15'

39 sq. inches

15' to 30'

29 sq. inches

 

 

Area of Various Standard

Round Flues

Diameter (in.)

Area (sq. in.)

5"

20 sq. inches

6"

29 sq. inches

7"

39 sq. inches

8"

51 sq. inches

 

 

INSTALLING HEATER BASE ASSEMBLY

Manual background CAUTION: Do not remove the data plates attached to the heater base assembly. The data plates contain important war- ranty and safety information.

Manual backgroundWARNING: You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak.

Manual background WARNING: If installing in a sunken fireplace, special care is needed. You must raise the fire- place floor to allow access to heater control panel. This will in- sure adequate air flow and guard against sooting and controls be- ingdamaged.Raisefireplacefloor with noncombustible material. Make sure material is secure.

Manual background CAUTION: Do not pick up heater base assembly by the burner. This could damage heater. Only handle base assem- bly 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 until ready to mount base to floor. See Optional Positioning Of Thermostat Sensing Bulb, pages 29 and 30.

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

flathead screwdriver

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 connecting 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 16 through 19.

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

6.Carefully remove logs without moving heater base.

Flexible Gas Hose

(if allowed by local codes)

Heater Gas

Regulator

Fitting

Figure 12 - Attaching Flexible Gas Hose

to Heater Gas Regulator

12

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Page 12
Image 12
Desa CRL2718P/N, CRL3124P/N, CGD3018PT/NT, CGD3924PT/NT installation manual Installing Heater Base Assembly