Vanguard Heating UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER Checking GAS Connections

Page 13

OWNER’S MANUAL

INSTALLATION

Continued

CHECKING GAS

CONNECTIONS

WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once.

WARNING: 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.

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Fig- ure 14).

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

3.Check all joints from gas meter to manual shutoff valve (see Figure 15). Apply mixture of liquid soap and wa- ter to gas joints. Bubbles forming show a leak.

4.Correct all leaks at once.

Manual

Shutoff

ValveOpen

Closed

Figure 14 - Manual Shutoff Valve

Pressure Testing Heater Gas Connections

1.Open manual shutoff valve (see Fig- ure 14).

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

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

4.Check all joints from manual shutoff valve to control valve (see Figure 15). Apply mixture of liquid soap and wa- ter to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, pages 15 through 17). Check all other internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 16).

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.

Manual

 

Shutoff

Control Valve Location

Valve

Gas Meter

 

Figure 15 - Checking Gas Joints

 

Continued

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation Manual18, 24, 30, and 36 Remote Ready Model Patent PendingVanguard Flame MAX Unvented Natural GAS LOG Heater Safety InformationRemote Control Accessories Product FeaturesProduct Identification Local CodesProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Ventilation AIRBuilding Ventilation Air From OutdoorsInstallation InstallationCheck GAS Type Minimum Wall and Ceiling Clearances see FigureIf Not Using Mantel If Using MantelMinimum Noncombustible Material Clearances Mantel Clearances Determining Minimum Mantel Clearance When Using a HoodFloor Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationChimney Minimum Permanent Height ft Flue Opening sq. ins Attaching Flexible Gas Hose to Heater Installation Items NeededWrench when connecting it to gas piping and/or fittings Connecting to GAS SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Test Pressures In Excess Of 1/2 PsigPlace lava rock around base of heater Installing LogsOperating Heater For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureOptional Remote Operation Pilot Flame Pattern Inspecting BurnersBurner Primary AIR Holes Main BurnerCleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning and MaintenanceLogs Observed Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement at top TopIllustrated Parts Breakdown VYD18NRA, VYD24NRA VYD30NRA, and VYD36NR Parts ListSpecifications Wiring Diagram Replacement PartsService Hints Technical ServiceAccessories International Warranty Information