Desa VML27NR Inspecting Burners, Pilot Flame Pattern, Burner Primary AIR Holes, Main Burner

Page 17

OPERATING HEATER

Optional Remote Operation (Cont.)

INSPECTING BURNERS

Pilot Flame Pattern

Burner Primary Air Holes

Main Burner

17

OPERATING HEATER

Continued

GHRC Series Operation:

2a. Press the ON/OFF button to turn the burner on and off. When turning burner off, the pilot will remain lit.

GHRCTA Series Operation

2b. Press the AUTO/ON/OFF button on the hand-held remote control (see Figure 32). The lights to the left of the button will show AUTO, ON, or OFF.

•In the ON mode, the burners will ignite. The heater is in manual mode when ON is lit.

•In the AUTO mode, the thermostat in the hand-held re- mote unit controls the room temperature. To increase the room temperature, press the top arrow of the TEMP but- ton. To lower the room temperature, press the bottom arrow of the TEMP button. At higher settings the heater will run longer.

IMPORTANT: This remote control has been specially en- gineered to take an air temperature sample every 5.5 minutes in the AUTO mode. It will not respond immedi- ately to the temperature setting being turned up or down. IMPORTANT: The hand-held remote control unit must be near the heater. Do not keep the hand-held remote control unit too close to the heater. The thermostat on the hand-held remote control unit will heat up too quickly and turn the heater off.

3.To turn the burner off, press the AUTO/ON/OFF button until OFF lights. The pilot will remain lit.

IMPORTANT: To turn the pilot off, manually turn the con- trol knob on the heater to the OFF position.

INSPECTING BURNERS

Check pilot flame pattern and burner flame patterns often.

PILOT FLAME PATTERN

Figure 33 shows a correct pilot flame pattern. Figure 34 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. When the thermocouple cools, the heater will shut down.

If pilot flame pattern is incorrect, as shown in Figure 34

•turn heater off (see To Turn Off Gas to Appliance, page 16)

•see Troubleshooting, pages 19 through 21

Pilot Burner

Pilot Burner

 

Thermocouple

Thermocouple

Figure 33 - Correct Pilot

Figure 34 - Incorrect Pilot Flame

Flame Pattern (Propane/LP

Pattern (Propane/LP Pilot

Pilot Shown)

Shown)

BURNER PRIMARY AIR HOLES

Air is drawn into the burner through the holes in the fitting at the burner entrance. These holes may become blocked with dust or lint. Periodically inspect these holes for any blockage and clean if needed. Blocked air holes will create soot.

MAIN BURNER

Shows Tempera- ture Setting

The Log Heater will Automatically Cycle between Pilot and the Heat

Setting that has been Selected

Increases Room

Temperature in

AUTO Mode

Decreases Room

Temperature in

AUTO Mode

Turns Burners

On or Off and

Allows You to

Choose the Auto

Setting

Periodically inspect all burner flame holes with the heater running. All slotted burner flame holes should be open with yellow flame present. All round burner flame holes should be open with a small blue flame present. Some burner flame holes may become blocked by debris or rust, with no flame present. If so, turn off heater and let cool. Remove blockage, blocked burner flame holes will create soot.

Figure 32 - Thermostat Hand-Held Remote Control Unit Selec- tions (GHRCTA only)

For more information, visit www.desatech.com

111115-01A

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Contents FLAME-MAX Remote Control Ready Model Patent PendingVML27NR VML27PR What to do if YOU Smell GASSafety Information Table of ContentsLocal Codes Product IdentificationRemote Control Accessories Product FeaturesUnpacking AIR for Combustion and VentilationDetermining if You Have a Confined or Uncon- fined Space Determining FRESH-AIR Flow for Heater LocationConfined and Unconfined Space Ventilation AIR InstallationVentilation Air From Inside Building Ventilation Air From OutdoorsMinimum Fireplace Clearance to Combustible Materials Installation and ClearancesLOG Sizing Requirements Check GAS TypeMantel Clearances Determining Minimum Mantel Clearance When using a HoodMinimum Noncombustible Material Clearances Determining Minimum Mantel ClearanceFloor Clearances Installing Damper Clamp Accessory for Vented OperationInstalling Optional Remote Control Accessories Installing Heater Base AssemblyInstallation Items Needed Installing Remote ReceiverInstalling 9-Volt Battery in Receiver Connecting to GAS SupplyChecking GAS Connections Pressure Testing Gas Supply Piping SystemProperty damage or personal injury Installing LogsPressure Testing Heater Gas Connections Operating Heater For Your Safety Read Before LightingControl Knob and Ignitor Button Location Lighting InstructionsOptional Remote Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Pilot Flame Pattern Inspecting BurnersBurner Primary AIR Holes Main BurnerWiring Diagram Cleaning MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole LogsObserved Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Top Gas leak. See Warning statement atVML27PR VML27NR Illustrated Parts BreakdownKEY Part Number VML27PR VML27NR Description QTY Parts ListService Hints SpecificationsTechnical Service Replacement Parts Parts Under WarrantyOwners Registration Form Postage Required WALL-MOUNT Thermostat Switch GWMT1 Receiver and HAND-HELD Remote Control KIT GhrcWALL-MOUNT ON/OFF Switch GWMS2 Cleaning KIT GCKWarranty Information

VML27NR specifications

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