Desa 30 Installing Damper Clamp Accessory for Vented Operation, Installing Heater Base Assembly

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INSTALLATION

Installing Damper Clamp Accessory for Vented Operation Installing Heater Base Assembly

INSTALLATION

Continued

INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION

Note: When used as a vented heater, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material.

If your heater is a manually-controlled model, you may use this heater as a vented product. There are three reasons for operating your heater in the vented mode.

1.The fireplace does not meet the clearance to combustibles re- quirements for vent-free operation.

2.State or local codes do not permit vent-free operation.

3.You prefer vented operation.

If reasons number 1 or 2 above apply to you, you must permanently open chimney flue damper. You must install the damper clamp accessory (to order, see Accessories, page 36). This will insure vented operation (see Figure 10). The damper clamp will keep damper open. Installation instructions are included with clamp accessory.

See chart below for minimum permanent flue opening you must provide. Attach damper clamp so the minimum permanent flue opening will be maintained at all times.

Area of Various Standard

Round Flues

Diameter (ins.)

Area (sq. ins.)

 

 

5"

20 sq. inches

6"

29 sq. inches

7"

39 sq. inches

8"

51 sq. inches

 

 

Chimney

Minimum Permanent

Height (ft.)

Flue Opening (sq. ins.)

 

 

6' to 15'

39 sq. inches

15' to 30'

29 sq. inches

 

 

Damper Clamp

Damper Clamp

DamperDamper

Damper

Masonry Fireplace

Manufactured Fireplace

Figure 10 - Attaching Damper Clamp

INSTALLING HEATER BASE ASSEMBLY

WARNING: You must secure this heater to fire- place floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak.

WARNING: If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel. This will insure adequate air flow and guard against sooting and con- trols being damaged. Raise fireplace floor with noncom- bustible material. Make sure material is secure.

CAUTION: Do not pick up heater base assembly by burners. This could damage heater. Only handle base assembly by grates.

IMPORTANT: Make sure the heater burners are level. If heater is not level, heater will not work properly. For thermostat models, avoid damage to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting bracket until ready to mount base to floor. See Optional Positioning Of Thermostat Sensing Bulb, page 27.

Installation Items Needed

hardware package (provided with heater)

approved flexible gas hose and fittings (not provided) (if allowed by local codes)

sealant (resistant to propane/LP gas, not provided)

electric drill with 3/16" masonry drill bit

Note: Install optional GHRCTA Receiver and Hand-Held Remote Control Kit (see Accessories, page 36) before installing gas log heater (Remote-Ready Models Only). See installation instructions included with the kit.

1.Apply pipe joint sealant lightly to male threads of gas fitting (not provided). For Variable Manually-Controlled and Ther- mostatically-Controlled Models connect approved flexible gas hose to gas regulator of heater (see Figure 11, page 11). For Remote-Ready models connect approved flexible gas hose to inlet side of gas control (see Figure 12, page 11).

IMPORTANT: Hold gas regulator with wrench when connect- ing flexible gas hose (Variable Manually-Controlled and Ther- mostatically-Controlled Models Only).

2.Locate mounting brackets, bolts, and nuts in hardware pack- age (Variable Manually-Controlled and Thermostatically-Con- trolled Models Only). Attach mounting brackets to heater base (see Figure 13, page 11). Attach nuts finger tight.

For..com

110882-01C

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Contents OWNER’S Operation and Installation Manual What to do if YOU Smell GASTable of Contents Safety InformationProduct Identification Product IdentificationLocal Codes Optional Remote Control AccessoriesProduct Features UnpackingConfined and Unconfined Space Determining FRESH-AIR Flow for Heater LocationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Building Ventilation AIRVentilation Air From Outdoors Installation and Clearances for VENT-FREE Operation InstallationCheck GAS Type If Not Using Mantel Minimum Noncombustible Material ClearancesFloor Clearances Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Determining Minimum Mantel ClearanceInstallation Items Needed Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Area of Various Standard Round FluesAttaching Base to Fireplace Floor Remote-Ready Models Only Connecting to GAS Supply External Regulator With Vent Pointing DownPressure Testing gas Supply Piping system Checking GAS ConnectionsInstalling Logs Pressure Testing Heater Gas ConnectionsInstalling Front Log #1 Operating Heater Lighting InstructionsThermostat Control Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Shutting Off HeaterREMOTE-READY Models For Your Safety Read Before Lighting Variable Control OperationControl Knob and Ignitor Button Location Optional HAND-HELD Remote Operation Pilot Propane/LP Pilot NaturalSafety Features Manual ModeAuto Thermostatic Mode ON/OFF Series Model GhrcbPilot Flame Pattern Inspecting BurnersFront Burner Flame Pattern Logs Cleaning MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole Main BurnerTroubleshooting Observed Problem Possible Cause RemedyRefer to Air for Combustion and Venti Gas leak. See Warning statement For Masonry and FACTORY-BUILT Metal Fireplace Optional Positioning of Thermostat Sensing BulbThermostat-Controlled Models Only Specifications Remote-ReadyTechnical Service Wiring Diagram Replacement PartsService Hints Parts Under WarrantyIllustrated Parts Breakdown Parts List Variable MANUALLY-CONTROLLED Split OAK ModelsTHERMOSTAT-CONTROLLED Models NVS18NT, NVS18PT THERMOSTAT-CONTROLLED Models Items 4 REMOTE-READY Variable Control Accessories Owners Registration Form Postage Required 110882-01C Warranty Information
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