Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER installation manual Safety Information

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VANGUARD FLAME-MAX™

UNVENTED PROPANE/LP GAS LOG HEATER

SAFETY

INFORMATION

WARNINGS

IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.

DANGER: Carbon monoxide poisoning may lead to death!

Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning re- semble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant women, people with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.

Propane Gas: Propane gas is odorless. An odor-making agent is added to the gas. The odor helps you detect a gas leak. However, the odor added to the gas can fade. Gas may be present even though no odor exists.

Make certain you read and understand all Warnings. Keep this manual for reference. It is your guide to safe and proper operation of this heater.

WARNING: Any change to this heater or its controls can be dan- gerous.

1.This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases.

2.Do not place propane supply tank(s) inside any structure. Locate propane supply tank(s) outdoors.

3.To prevent performance problems, the use of a propane tank of less than 100 lbs. capacity is not recommended.

4.If you smell gas

shut off gas supply

do not try to light any appliance

do not touch any electrical switch; do not use any phone in your building

immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions

if you cannot reach your gas supplier, call the fire department

5.This heater shall not be installed in a bedroom or bathroom unless installed as a vented appliance (see page 9).

6.Never install the heater

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

in high traffic areas

in windy or drafty areas

7.Before installing in a solid fuel burn- ing fireplace, the chimney flue and fire- box must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. Creosote will ignite if highly heated. Inspect chimney flue for damage. If damaged, operate heater with flue damper closed.

8.If fireplace has glass doors, never op- erate this heater with glass doors closed. If you operate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Also if fireplace open- ing has vents at the bottom, you must open the vents before operating heater.

9.You must operate this heater with a fire- place screen in place. Make sure fire- place screen is closed before running heater.

10.This log heater is designed to be smoke- less. If logs ever appear to smoke, turn off heater and call a qualified service person. Note: During initial operation, slight smoking could occur due to log curing and heater burning manufactur- ing residues.

11.Do not allow fans to blow directly into the fireplace. Avoid any drafts that al- ter burner flame patterns. Ceiling fans can create drafts that alter burner flame patterns. Altered burner patterns can cause sooting.

12.Do not use a blower insert, heat ex- changer insert or other accessory not approved for use with this heater.

13.This heater needs fresh, outside air ven- tilation to run properly. This heater has an oxygen depletion sensor (ODS) pi- lot light safety system. The ODS shuts down the heater if not enough fresh air is available. See Air for Combustion and Ventilation, pages 3 through 5. If heater keeps shutting off, see Trouble- shooting, pages16 through 18.

14.Do not run heater

where flammable liquids or vapors are used or stored

under dusty conditions

15.Do not use this heater to cook food or burn paper or other objects.

16.Never place any objects on the heater.

17.Heater base assembly becomes very hot when running heater. Keep children and adults away from hot surface to avoid burns or clothing ignition. Heater will remain hot for a time after shut-down. Allow surface to cool before touching.

18.Carefully supervise young children when they are in the room with heater.

19.Do not use heater if any part has been exposed to or under water. Immediately call a qualified service technician to in- spect the room heater and to replace any part of the control system and any gas control which has been under water.

20.Do not operate heater if any log is bro- ken. Do not operate heater if a log is chipped (dime-sized or larger).

21.Turn heater off and let cool before ser- vicing. Only a qualified service person should service and repair heater.

22.Operating heater above elevations of 4,500 feet could cause pilot outage.

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Contents Design FLAME-MAXWhat to do if YOU Smell GAS Log DesignSafety Information Vanguard FLAME-MAX Unvented PROPANE/LP GAS LOG HeaterLocal Codes Product FeaturesProduct Identification UnpackingConfined and Unconfined Space Determining AIR Flow for Heater LocationUnusually Tight Construction Determining if You Have a Confined or Unconfined SpaceVentilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Smaller than that defined as anCheck GAS Type InstallationInstallation Minimum Fireplace Clearance To Combustible MaterialsMinimum Non Combustible Material Clearances If Not Using MantelIf Using Mantel Determing Minimum Mantel Clearance Determining Minimum Mantel Clear- ance When using a HoodMantel Clearances Installation Items Needed Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Floor ClearancesGolden Oak and Birch Model Chassis Connecting to GAS SupplyStandard Oak Log Chassis External Regulator With Vent Pointing Down Checking GAS Connections Pressure Testing Heater Gas ConnectionsPressure Testing Gas Supply Piping System Test Pressures Equal To or Less Than 1/2 PsigFor Golden Oak or Birch Models Installing LogsFor Vintage Oak Model Lighting Instructions For Your Safety Read Before LightingOperating Heater Cleaning and Maintenance Inspecting BurnersTroubleshooting Observed Problem Possible Cause RemedyRefer to Air for Combustion and Venti Top Gas leak. See Warning statement atAccessories SpecificationsReplacement Parts Technical ServiceODS Pilot Illustrated Parts BreakdownFLAME-MAX Vintage OAK Models VYS18P and VYS24P Parts List KEY Part Number for VYS18P VYS24P Description QTY1A* 1A Parts List Warranty Information