Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER Product Identification, Local Codes

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OWNER’S MANUAL

PRODUCT IDENTIFICATION

Flame-Max™

Standard Oak Logs

Crossover

Log

Front Log

Burner

 

Back Log

Piezo Ignitor

Base Assembly

Control Knob

Flame-Max™

Golden Oak Logs

One Piece

Log Set

Piezo Ignitor

Burner Assembly

Control Knob

Flame-Max™

Birch Logs

One Piece

Log Set

Piezo Ignitor

Burner Assembly

Control Knob

Figure 1 - Product Identification

LOCAL CODES

Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223, also known as NFPA 54*.

*Available from:

American National Standards Institute, Inc.

1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.

Batterymarch Park

Quincy, MA 02269

UNPACKING

IMPORTANT: Do not remove the metal Data Plates from the grate assembly. The Data Plates contain important product in- formation.

1.Remove logs and heater base assem- bly from carton. Note: Do not pick up heater base assembly by the burner. This could damage heater. Always handle base assembly by grate.

2.Remove all protective packaging ap- plied to logs and heater for shipment.

3.Check all items for any shipping dam- age. If damaged, promptly inform dealer where you bought heater.

PRODUCT

FEATURES

Operation

This heater is clean burning. It requires no outside venting. There is no heat loss out a vent or up a chimney. Heat is generated by realistic, dancing yellow flames. This heater is designed for vent-free operation with flue damper closed. State and local codes in some areas prohibit the use of vent-free heaters. You can operate heater as a vented product by opening flue damper.

Safety Pilot

This heater has a pilot with an Oxygen Depletion Sensor Shutoff System (ODS). The ODS/pilot is a required feature for vent- free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air.

Piezo Ignition System

This heater has a piezo ignitor. This system requires no matches, batteries, or other sources to light 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 effi- cient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes. Home own- ers 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 pos- sible.

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.

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 3 through 5 will help you classify your space and provide adequate ventilation.

Continued

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Contents Log Design FLAME-MAXWhat to do if YOU Smell GAS DesignVanguard FLAME-MAX Unvented PROPANE/LP GAS LOG Heater Safety InformationUnpacking Product FeaturesProduct Identification Local CodesDetermining if You Have a Confined or Unconfined Space Determining AIR Flow for Heater LocationUnusually Tight Construction Confined and Unconfined SpaceSmaller than that defined as an Ventilation AIRVentilation Air From Inside Building Ventilation Air From OutdoorsMinimum Fireplace Clearance To Combustible Materials InstallationInstallation Check GAS TypeIf Not Using Mantel If Using MantelMinimum Non Combustible Material Clearances Determining Minimum Mantel Clear- ance When using a Hood Mantel ClearancesDeterming Minimum Mantel Clearance Floor Clearances Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Installation Items NeededConnecting to GAS Supply Standard Oak Log ChassisGolden Oak and Birch Model Chassis External Regulator With Vent Pointing Down Test Pressures Equal To or Less Than 1/2 Psig Pressure Testing Heater Gas ConnectionsPressure Testing Gas Supply Piping System Checking GAS ConnectionsInstalling Logs For Vintage Oak ModelFor Golden Oak or Birch Models For Your Safety Read Before Lighting Operating HeaterLighting Instructions Inspecting Burners Cleaning and MaintenanceObserved Problem Possible Cause Remedy TroubleshootingRefer to Air for Combustion and Venti Gas leak. See Warning statement at TopTechnical Service SpecificationsReplacement Parts AccessoriesIllustrated Parts Breakdown FLAME-MAX Vintage OAK Models VYS18P and VYS24PODS Pilot KEY Part Number for VYS18P VYS24P Description QTY Parts List1A* 1A Parts List Warranty Information