Desa Tech 18, B, 28 Installing To Wall, Check GAS Type, Installation Items, Locating Heater

Page 9

INSTALLING

 

NOTICE

 

TO 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 13, 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 ICON

G 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

 

9

101808

Page 8 Page 10
Image 9
Page 8 Page 10
Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualSafety Information Contents001 Local Codes Product IdentificationUnpacking ProductCombustion Fresh AIR ForVentilation Providing Adequate VentilationFresh AIR for Combustion and Ventilation Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air from Outdoors Ventilation Air From OutdoorsInstallation Items Installing To WallCheck GAS Type Locating HeaterThermostat Sensing Bulb Locating Thermostat Sensing BulbAttaching Thermostat Sensing Bulb Mounting Bracket Installing Heater to WallRemoving Front Panel Of Heater Methods For Attaching Mounting Bracket To WallAttaching Mounting Bracket To Wall Marking Screw LocationsPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsConnecting to GAS Supply Checking GAS Pressure Testing GAS Supply Piping SystemConnections Servicing. Correct all leaks at onceChecking Pressure Testing Heater GAS ConnectionsOperating Heater For Your Safety Read Before LightingPilot Shutting Off Burner Only pilot stays lit Shutting Off HeaterPilot Flame Pattern Inspecting BurnerCorrect Burner Flame Pattern Burner Flame PatternODS/PILOT and Burner Trouble ShootingCabinet Air PassagewaysTrouble Cleaning and MainteTROUBLE- Shooting Top Ing statement atTechnical Service Service Hints Service Publications18,000 Btu/Hr 28,000 Btu/Hr Models Parts Under Warranty Replacement PartsParts Not Under Warranty CentralsODS/Pilot Assembly CGN18TB CGN28TB Description Parts ListAccessories FAN Kits GA2100A, GA3100 GA3100A, and GA3200TAValve GA5010 101808 Keep this Warranty Warranty Information
Top Page Image Contents