Desa VN1800D, VN3000D Thermostat Sensing Bulb, Models VN1800ITA and VN2550ITA Only

Page 10

Thermostat

Sensing Bulb

INSTALLING TO WALL

Continued

10

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 31. If planning to use fan, locate heater near an electrical outlet.

CEILING

	36"
8"	Minimum
8"
Minimum
From
Sides Of
Heater
Left	Right
Side	Side

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

Figure 4 - Mounting Clearances As Viewed From Front of Heater

THERMOSTAT SENSING BULB

(Models VN1800ITA and VN2550ITA Only)

The thermostat sensing bulb has been placed inside the heater for protection during shipping.

Locating Thermostat Sensing Bulb

1.Remove front panel of heater (see Figure 7, page 11).

2.Locate thermostat sensing bulb just under the burner assembly.

IMPORTANT: Attach thermostat sensing bulb to the back of heater for proper operation.

Attaching Thermostat Sensing Bulb

1.Remove thermostat sensing bulb from holders inside heater. Route through slot opening in bottom of heater.

2.Place clamp on thermostat sensing bulb as shown in Figure 5. Clamp is pro- vided in hardware package.

3.Snap clamp into upper mounting hole as shown in Figure 5. Mounting hole is located on lower left edge on back of heater. Make sure the thermostat sensing

bulb is pointing up.

Clamp

Figure 5 - Attaching Thermostat Sensing Bulb

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Image 10

Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASContents Safety Information Combustion and Ventilation, pages 5 through Product Local Codes Unpacking Product FeaturesIdentification Ventilation Fresh AIR ForCombustion Producing Adequate VentilationDetermining FRESH-AIR Flow for Heater Location Fresh AIR for Combustion and VentilationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Ventilation Air from OutdoorsCheck GAS Type Installing To WallInstallation Items Locating HeaterLocating Thermostat Sensing Bulb Thermostat Sensing BulbModels VN1800ITA and VN2550ITA Only Attaching Thermostat Sensing BulbRemoving Front Panel Of Heater Installing Heater to WallMounting Bracket Methods For Attaching Mounting Bracket To WallMarking Screw Locations Attaching Mounting Bracket To WallInstalling Bottom Mounting Screws Placing Heater On Mounting BracketConnecting to GAS Supply Connections Pressure Testing GAS Supply Piping SystemChecking GAS Servicing. Correct all leaks at oncePressure Testing Heater GAS Connections Checking GAS ConnectionsOperating Heater Operating Heater Lighting InstructionsHeater To Select Heating LevelShutting Off Heater Shutting Off Burner Only pilot stays litIf you do not follow these instructions exactly, a fire or Explosion may result causing property damage, personalOperating Injury or loss of lifeModels VN1800D and VN3000D LOW MED High Inspecting Burner Pilot Flame PatternBurner Flame Pattern If burner flame pattern is incorrect, as shown in FigureCabinet Cleaning and Maintenance Trouble ShootingODS/PILOT and Burner Orifice Air PassagewaysObserved Possible Remedy Problem Cause TROUBLE- ShootingTrouble Shooting See CleaningDo not try to light any appliance If you smell gasShut off gas supply Ing statement atService Publications Hints Technical ServiceVN1800D VN3000D Replacement Parts AccessoriesIllustrated Parts Breakdown Model VN1800ITAParts List Model VN2550ITA Parts List Model VN1800D Control Position Label Hardware Assembly Model VN3000D Parts List Warranty Information Keep this Warranty