Desa Tech CGN20TA Owner’S Manual, Check Gas Type, Installation Items, Locating Heater

OWNER’S MANUAL

INSTALLATION

NOTICE: A qualified service per- son must install heater. Follow all local codes.

CHECK GAS TYPE

Use only natural gas. If your gas supply is not natural gas, do not install heater. Call dealer where you bought heater for proper type heater.

INSTALLATION ITEMS

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

•piping (check local codes)

•sealant (resistant to propane/LP gas)

•manual shutoff valve *

•ground joint union

•test gauge connection * (see Figure 13, page 10)

•sediment trap

•tee joint

•pipe wrench

WARNING: Never install the heater

•in a bedroom or a bathroom

•in a recreational vehicle

•where curtains, furniture, clothing, or other flammable objects are less than 36 inches from the front, top, or sides of the heater

•as a fireplace insert

•in high traffic areas

•in windy or drafty areas

CAUTION: This heater cre- ates warm air currents. These currents move heat to wall sur- faces next to heater. Installing heater next to vinyl or cloth wall coverings or operating heater where impurities in the air (such as tobacco smoke) exist, may discolor walls.

IMPORTANT: Vent-free heaters add mois- ture to the air. Although this is beneficial, installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture. See Fresh Air for Com- bustion and Ventilation, pages 4 through 6.

CAUTION: If you install the heater in a home garage

•heater pilot and burner must be at least 18 inches above floor

•locate heater where moving ve- hicle will not hit it

For convenience and efficiency, install heater

•where there is easy access for operation, inspection, and service

•in coldest part of room

An optional fan kit is available from your dealer. See Accessories, page 19. If plan- ning to use fan, locate heater near an electri- cal outlet.

*An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Pur- chase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories, page 19.

LOCATING HEATER

This heater is designed to be mounted on a wall.

WARNING: Maintain the mini- mum clearances shown in Figure

4.If you can, provide greater clear- ances from floor, ceiling, and join- ing wall.

You can locate heater on floor, away from a wall. An optional floor mounting stand is needed. Purchase the floor mounting stand from your dealer. See Accessories, page 19.

CEILING

36"

Minimum

6" Minimum

From Sides Of

Heater

Left	Right
Side	Side
	3" Minimum To Top Surface
	Of Carpeting, Tile Or Other
FLOOR	Combustible Material

Figure 4 - Mounting Clearances As Viewed From Front of Heater

Continued

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