Desa VF-18N-MHd, VF-18P-MHd Operating Heater, For your safety Read before lighting

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Installation

Continued

4.Add lava rock and small decorative logs around base of heater if desired. You may place lava rock and log pieces up to flat burner.

DO NOT place rock or logs on front burner or on logs. Placing any material on unit other than ember material on front burner may result in production of carbon monoxide or soot.

Operating Heater

for your safety

read before lighting

WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life.

A.This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly.

B.BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electric 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.

C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service tech- nician or gas supplier. Force or attempted repair may result in a fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

Remote lighting

instructions

WARNING:

If fireplace has glass doors, never operate this heater with glass doors closed. If you op- erate heater with doors closed, heat buildup inside fireplace will cause glass to burst. Make sure there are no obstructions across openings of fireplace.

You must operate this heater withafireplacescreeninplace. Make sure fireplace screen is closed before running heater.

NOTICE:Duringinitialoperationof new heater, burning logs will give off a paper-burning smell. Orange flame will also be present. Open damper or window to vent smell. This will only last a few hours.

CAUTION: A mild gas flash within 10 seconds is normal during shutdown of this heater. Remain clear of the hearth area for the entire shutdown process to avoid possible injury.

1.STOP! Read the safety information in column 1.

2.Make sure equipment shutoff valve is fully open.

3.Turn motor knob clockwise to the OFF position.

4.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor.

If you smell gas, STOP! Follow “B” in the safety information, column 1. If you don’t smell gas, go to the next step.

5.Make sure ON/OFF switch is in "–" (ON) position.

WARNING: Burner will come on automatically within one min- ute after pilot burner is lighted.

116986-01B

www.desatech.com

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Contents Models VF-18N-MHD, VF-18P-MHD, VF-24N-MHD VF-24P-MHD What to do if YOU Smell GASTable of Contents Safety Information Product Identification Product IdentificationAir For Combustion Ventilation Product FeaturesLocal Codes UnpackingDetermining fresh-air flow for heater location Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space Ventilation AIR Ventilation Air From Inside BuildingVentilation Air From Outdoors Check GAS Type InstallationInstallation and clearances for vent-free operation Installation Floor Clearances Installing Heater AssemblyDetermining Minimum Mantel Clearance When using a Hood Mantel ClearancesInstallation Items Needed Connecting to gas supplyChecking gas connections Natural GasPropane/LP Gas Pressure Testing Heater Gas Connections Adding Embers, Lava rock and Decorative logsTest Pressures Equal To or Less Than Psig 3.5 kPa Operating Heater For your safety Read before lightingFunctions Remote ControlManual Lighting ProcedureLighting with Piezo Ignitor Inspecting BurnersTo turn gas off To appliance Pilot Flame PatternCleaning Maintenance Burner Flame PatternBurner Injector Holder Air Inlet Hole Injector Holder on Front Burner Tube Observed Problem Possible Cause Remedy TroubleshootingSee Cleaning and Mainte Gas leak. See Warning Bad module Replace moduleIdentifying error signals from receiver Wiring DiagramAccessories Replacement PartsService Hints Technical ServiceModels VF-18N-MHD, VF-18P-MHD, VF-24N-MHD and VF-24P-MHD Illustrated Parts BreakdownParts List Warranty Information Keep this WarrantyLimited Warranty VENT-FREE GAS LOG Heaters