INSTALLING TO

 

 

NOTICE

 

WALL

 

A qualified service person 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)

• test gauge connection * (see

 

• sealant (resistant to propane/LP gas)

Figure 12, page 15)

 

• manual shutoff valve *

• sediment trap

 

ground joint union

• tee joint

 

 

 

• pipe wrench

 

* An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable

 

alternative to test gauge connection. Purchase the optional A.G.A. design-certified

 

manual shutoff valve from your dealer. See Accessories, page 30.

LOCATING HEATER

This heater is designed to be mounted on a wall.

WARNING

WARNING ICON

G 001

Maintain the minimum clearances shown in Figure 4 (page 10). If you can, provide greater clearances from floor, ceiling, and joining 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 30.

WARNING

WARNING ICON

G 001

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

WARNING ICONG 001

This heater creates warm air currents. These currents move heat to wall surfaces 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 moisture 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 Combustion and Ventilation, pages 5 through 8.

Continued

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Desa Tech CGN20TL, CGN30TL installation manual Installing to Wall, Check GAS Type, Installation Items, Locating Heater