Vanguard Heating UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER Installation, Check GAS Type

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OWNER’S MANUAL

INSTALLATION

NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your pri- mary heating system. Do not in- stall this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using log heater. This will help circulate the heat throughout the house. In the event of a power outage, you can use this heater as your primary heat source.

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

NOTICE: State or local codes may only allow operation of this appli- ance in a vented configuration. Check your state or local codes.

WARNING: Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a quali- fied chimney cleaner. Creosote will ignite if highly heated. A dirty

WARNING: Never install the heater

in a bedroom or bathroom un- less installed as a vented ap- pliance (see page 10)

in a recreational vehicle

where curtains, furniture, clothing, or other flammable objects are less than 42 inches from the front, top, or sides of the heater

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 (such as to- bacco smoke, aromatic candles, cleaning fluids, oil or kerosene lamps, etc.) in the air 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 Air for Com- bustion and Ventilation, pages 4 through 6.

INSTALLATION AND

CLEARANCES (Vent-Free

Operation Only)

WARNING: Maintain the mini- mum clearances. If you can, pro- vide greater clearances from floor, ceiling, and adjoining wall.

MINIMUM FIREPLACE

CLEARANCE TO

COMBUSTIBLE MATERIALS

Log Size

 

Side Wall

 

Ceiling

 

 

 

 

 

 

 

 

18", 24",

16"

 

 

42"

30", and 36"

 

 

 

 

 

 

 

 

 

 

 

LOG SIZING REQUIREMENTS

 

 

 

 

 

Log

Minimum Firebox Size

Size

Height

 

Depth

Front

 

Rear*

 

 

 

 

Width

 

Width

 

 

 

 

 

 

 

 

18"

17"

 

14"

24"

 

 

20"

24"

17"

 

14"

28"

 

 

21"

30"

17"

 

14"

34"

 

 

24"

36"

17"

 

14"

40"

 

 

30"

 

 

 

 

 

 

 

 

*Measured at 14" depth

Carefully follow the instructions below. This will ensure safe installation into a masonry, UL127-listed manufactured fireplace, or cer- tified vent free firebox.

chimney flue may create and dis- tribute soot within the house. In- spect chimney flue for damage. If damaged, operate heater with flue damper closed.

WARNING: Seal any fresh air vents or ash clean-out doors lo- cated on floor or wall of fireplace. If not, drafting may cause pilot outage or sooting. Use a heat-

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.

Minimum Wall and Ceiling Clearances (see Figure 4)

A.Clearances from the side of the fire- place opening to any combustible wall should not be less than 16 inches.

B.Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches.

resistant sealant. Do not seal chimney flue damper.

42"

16"

Left and

Right Sides

Figure 4 - Minimum Clearance to Wall and

Ceiling

Continued

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Contents Patent Pending OWNER’S Operation and Installation ManualWhat to do if YOU Smell GAS 18, 24, 30, and 36 Remote Ready ModelVanguard Flame MAX Unvented Natural GAS LOG Heater Safety InformationLocal Codes Product FeaturesRemote Control Accessories Product IdentificationConfined and Unconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside BuildingMinimum Wall and Ceiling Clearances see Figure InstallationInstallation Check GAS TypeIf Not Using Mantel If Using MantelMinimum Noncombustible Material Clearances Determining Minimum Mantel Clearance Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Floor ClearancesInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationChimney Minimum Permanent Height ft Flue Opening sq. ins Attaching Flexible Gas Hose to Heater Installation Items NeededWrench when connecting it to gas piping and/or fittings Connecting to GAS SupplyTest Pressures In Excess Of 1/2 Psig Pressure Testing Gas Supply Piping SystemPressure Testing Heater Gas Connections Checking GAS ConnectionsPlace lava rock around base of heater Installing LogsOperating Heater For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureOptional Remote Operation Main Burner Inspecting BurnersPilot Flame Pattern Burner Primary AIR HolesCleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning and MaintenanceLogs Observed Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement at top TopIllustrated Parts Breakdown VYD18NRA, VYD24NRA VYD30NRA, and VYD36NR Parts ListTechnical Service Wiring Diagram Replacement PartsSpecifications Service HintsAccessories International Warranty Information