Desa 103426-01 Checking Gas Connections, Pressure Testing Gas Supply Piping System, Installation

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CHECKING GAS

SPLIT OAK AND AMERICAN OAK DESIGN 18", 24" AND 30" MODELS

INSTALLATION

Continued

CHECKING GAS

CONNECTIONS

Pressure Testing Gas Supply Piping System WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once.

Test Pressures In Excess Of 1/2WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once.

Pressure Testing Gas Supply Piping System

Test Pressures In Excess Of 1/2

PSIG

1.Disconnect heater and its individual manual shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater regulator.

2.Cap off open end of gas pipe where manual shutoff valve was connected.

3.Pressurize supply piping system by ei- ther using compressed air or opening main gas valve located on or near gas meter.

4.Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles form- ing show a leak.

5.Correct all leaks at once.

6.Reconnect heater and manual shutoff valve to gas supply. Check reconnected fittings for leaks.

3.Check all joints from gas meter to manual shutoff valve (see Figure 16). Apply mixture of liquid soap and wa- ter to gas joints. Bubbles forming show a leak.

4.Correct all leaks at once.

Pressure Testing Heater Gas Connections

1.Open manual shutoff valve (see Fig- ure 15).

2.Open main gas valve located on or near gas meter.

3.Make sure control knob of heater is in the OFF position.

Open

Manual

Shutoff

Valve

Closed

Figure 15 - Manual Shutoff Valve

Manual

Shutoff

Valve

Gas Meter

4.Check all joints from manual shutoff valve to thermostat gas valve (thermo- stat-controlled models) or control valve (manually-controlled models) (see Fig- ure 16). Apply mixture of liquid soap and water to gas joints. Bubbles form- ing show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, pages 14 through 16). Check all other internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 15 [thermostat- controlled models] or page 16 [manu- ally-controlled models]).

Thermostat Gas

Valve or Control

Valve Location

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Fig- ure 15).

2.Pressurize supply piping system by ei- ther using compressed air or opening main gas valve located on or near gas meter.

Figure 16 - Checking Gas Joints

Continued

103426

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Contents —WHAT TO DO IF YOU SMELL GAS OWNER’S OPERATION AND INSTALLATION MANUALwhere not prohibited by state or local codes DESA INTERNATIONALWARNINGS SAFETY INFORMATIONUNVENTED NATURAL GAS LOG HEATER LOCAL CODES PRODUCT FEATURESSafety Device PRODUCT IDENTIFICATIONUnusually Tight Construction AIR FOR COMBUSTION AND VENTILATIONPROVIDING ADEQUATE VENTILATION DETERMINING AIR FLOW FOR HEATER LOCATIONVentilation Air From Outdoors ContinuedVENTILATION AIR Ventilation Air From Inside BuildingCHECK GAS TYPE INSTALLATIONINSTALLATION AND CLEARANCES If Not Using MantelINSTALLATION If Using MantelMantel Clearances Determining Minimum Mantel ClearanceContinued Floor ClearancesINSTALLATION UNVENTED NATURAL GAS LOG HEATERContinued INSTALLING HEATER BASE ASSEMBLYInstallation Items Needed INSTALLATIONUNVENTED NATURAL GAS LOG HEATER CONNECTING TO GAS SUPPLYINSTALLATION Installation Items NeededTest Pressures In Excess Of 1/2 PSIG Pressure Testing Gas Supply Piping SystemPressure Testing Heater Gas Connections CHECKING GAS CONNECTIONSContinued INSTALLING LOGS American Oak Design ModelsINSTALLATION UNVENTED NATURAL GAS LOG HEATERFigure 24 - Installing Top Log #4 INSTALLING LOGS Split Oak Design ModelsINSTALLATION Figure 22 - Installing Bottom Middle LogLIGHTING INSTRUCTIONS Thermostat-ControlledModels FOR YOUR SAFETYOPERATING HEATER READ BEFORE LIGHTINGTO TURN OFF GAS TO APPLIANCE MANUAL LIGHTING PROCEDUREManually-ControlledModels FOR YOUR SAFETY Thermostat Controlled ModelsPILOT FLAME PATTERN INSPECTING BURNERSManually-ControlledModels VARIABLE CONTROL OPERATIONLOGS CLEANING AND MAINTENANCEFRONT BURNER FLAME PATTERN ODS/PILOT AND BURNERSREMEDY TROUBLESHOOTINGOBSERVED PROBLEM POSSIBLE CAUSEContinued TROUBLESHOOTINGOBSERVED PROBLEM Maintenance, pageUNVENTED NATURAL GAS LOG HEATER TROUBLESHOOTINGOBSERVED PROBLEM Maintenance, pageFor Masonry and Factory- built Metal Fireplace OPTIONAL POSITIONING OF THERMOSTAT SENSING BULBTECHNICAL SERVICE SPECIFICATIONSREPLACEMENT PARTS SERVICE HINTSBRASS FIREPLACE HOOD - GA6052 ACCESSORIESMANUAL SHUTOFF VALVE - GA5010 BLACK FIREPLACE HOOD - GA6050UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN4Variable Manually Controlled Models VS18NVB CFS18NVB VS24NVB CFS24NVB VS30NVB CFS30NVBVS18NVB/CFS18NVB PARTS LISTVariable Manually-ControlledSplit Oak Models PART NUMBER FORUNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWNVS18NTA Thermostat-ControlledSplit Oak ModelsPARTS LIST PART NUMBER FORUNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS3 BREAKDOWNVariable Manually-Controlled Models VL18NV VL24NV VL30NVVL18NV Variable Manually-ControlledAmerican Oak ModelsPARTS LIST PART NUMBER FORUNVENTED NATURAL GAS LOG HEATER Page NOT A UPC LIMITED WARRANTY VENT-FREENATURAL GAS LOG HEATERSWARRANTY INFORMATION
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