Vanguard Managed Solutions PRVYS18PWA installation manual AIR for Combustion and Ventilation

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VANGUARD FLAME-MAX®

UNVENTED PROPANE/LP GAS LOG HEATER

AIR FOR COMBUSTION AND VENTILATION

WARNING: This heater shall not be installed in a confined space unless provisions are pro- vided for adequate combustion and ventilation air. Read the fol- lowing instructions to insure proper fresh air for this and other fuel-burning appliances in your home.

Today’s homes are built more energy efficient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in. During heating months, home owners want their homes as airtight as possible.

While it is good to make your home energy efficient, your home needs to breathe. Fresh air must enter your home. All fuel-burning appliances need fresh air for proper com- bustion and ventilation.

Exhaust fans, fireplaces, clothes dryers, and fuel burning appliances draw air from the house to operate. You must provide ad- equate fresh air for these appliances. This will insure proper venting of vented fuel- burning appliances.

Unusually Tight Construction

The air that leaks around doors and win- dows may provide enough fresh air for combustion and ventilation. However, in buildings of unusually tight construction, you must provide additional fresh air.

Unusually tight construction is de- fined as construction where:

a.walls and ceilings exposed to the outside atmosphere have a con- tinuous water vapor retarder with a rating of one perm (6 x 10-11kg per pa-sec-m2) or less with open- ings gasketed or sealed and

b.weather stripping has been added on openable windows and doors and

c.caulking or sealants are applied to areas such as joints around window and door frames, be- tween sole plates and floors, be- tween wall-ceiling joints, be- tween wall panels, at penetra- tions for plumbing, electrical, and gas lines, and at other openings.

If your home meets all of the three criteria above, you must provide ad- ditional fresh air. See Ventilation Air From Outdoors, page 6.

If your home does not meet all of the three criteria above, proceed to De- termining Fresh Air Flow For Heater Location, page 5.

Confined and Unconfined Space

The National Fuel Gas Code (ANSI Z223.1, 1992 Section 5.3) defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.8 m3 per kw) of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1,000 Btu per hour (4.8 m3 per kw) of the aggregate input rating of all appliances installed in that space. Rooms communicating directly with the space in which the appliances are in- stalled*, through openings not furnished with doors, are considered a part of the unconfined space.

This heater shall not be installed in a con- fined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air.

*Adjoining rooms are communicating only if there are doorless passageways or ventila- tion grills between them.

PROVIDING ADEQUATE VENTILATION

The following is exerpts from National Fuel Gas Code. NFPA 54/ANSI Z223.1, Section 5.3, Air for Combustion and Venti- lation.

All spaces in homes fall into one of the three following ventilation classifications:

1.Unusually Tight Contruction

2.Unconfined Space

3.Confined Space

The information on pages 4 through 6 will help you classify your space and provide adequate ventilation.

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Contents What to do if YOU Smell GAS Oak Log DesignLog Design Patent PendingSafety Information Vanguard FLAME-MAX Unvented PROPANE/LP GAS LOG HeaterProduct Features Product IdentificationLocal Codes UnpackingAIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining Fresh AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From InsideBuilding Ventilation Air From OutdoorsInstallation InstallationCheck GAS Type If Using Mantel If Not Using MantelMinimum Non-combustible Material Clearances Determining Minimum Mantel Clear- ance When using a Hood Mantel ClearancesFloor Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationChimney Minimum Permanent Height ft Flue Opening sq. ins Standard Oak Log Chassis Installation Items NeededGolden Oak and Birch Model Chassis Connecting to GAS Supply Accessories,Pressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Test Pressures Equal To or Less Than 1/2 PsigFor Vintage Oak Model Installing LogsFor Golden Oak or Birch Models Operating Heater Lighting InstructionsManual Lighting Procedure Variable Control OperationTo Turn OFF GAS To Appliance Shutting Off HeaterInspecting Burners Thermostat Control OperationPilot Flame Pattern Main BurnerTroubleshooting Observed Problem Possible Cause RemedyMaintenance, Top Gas leak. See Warning statement atOptional Positioning of Thermostat Sensing Bulb For Masonry and FACTORY-BUILT Metal FireplaceSpecifications Cleaning and Maintenance Replacement PartsODS/PILOT and Burner LogsFLAME-MAX Vintage OAK Models VYS18P and VYS24P Illustrated Parts BreakdownODS Pilot Parts List VYS18P VYS24P1117 612 VYD18P, VYBD18P VYD24P, VYBD24P VYD30P, VYBD30P VYD36P Thermostatically Controlled Models VYD18PT VYD24PT VYD30PT VYD18PT VYD24PT VYD30PT VYD18PT VYD24PT VYD30PTAccessories Service HintsTechnical Service Manual Shutoff104343 Warranty Information

PRVYS18PWA specifications

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