Vanguard VMH3000TPSA Owner's Operation And Installation Manual

Contents

Vanguard VMH3000TPSA Owner's Operation And Installation Manual Manual pdf 13 page image

13107102OWNER’S MANUALFor more information, visit www.desatech.comONPOSITIONOFFPOSITIONCHECKING GASCONNECTIONSPressure Testing Gas SupplyPiping SystemTest Pressures In Excess Of 1/2 PSIG(3.5 kPa)1. Disconnect appliance with its appliancemain gas valve (control valve) and equip-ment shutoff valve from gas supply pip-ing system. Pressures in excess of 1/2psig will damage heater regulator.2. Cap off open end of gas pipe whereequipment shutoff valve was connected.3. Pressurize supply piping system by ei-ther using compressed air or openingpropane/LP supply tank valve.4. Check all joints of gas supply pipingsystem. Apply mixture of liquid soapand water to gas joints. Bubbles form-ing show a leak.5. Correct all leaks at once.6. Reconnect fireplace and equipmentshutoff valve to gas supply. Check re-connected fittings for leaks.Test Pressures Equal To or Less Than1/2 PSIG (3.5 kPa)1. Close equipment shutoff valve (seeFigure 20).2. Pressurize supply piping system by ei-ther using compressed air or openingpropane/LP supply tank valve.3. Check all joints from propane/LP sup-ply tank to equipment shutoff valve (seeFigure 21). Apply mixture of liquidsoap and water to gas joints. Bubblesforming show a leak.4. Correct all leaks at once.OpenClosedEquipmentShutoffValveFigure 21 - Checking Gas JointsEquipmentShutoffValvePropane/LPSupply TankThermostat GasValve LocationFigure 20 - Equipment Shutoff ValvePressure Testing Heater GasConnections1. Open equipment shutoff valve (see Fig-ure 20).2. Open propane/LP supply tank valve.3. Make sure control knob of heater is inthe OFF position.4. Check all joints from equipment shutoffvalve to thermostat gas valve (see Fig-ure 21). Apply mixture of liquid soapand water to gas joints. Bubbles form-ing show a leak.5. Correct all leaks at once.6. Light heater (see Operating Heater,pages 14 and 15). Check all other in-ternal joints for leaks.7. Turn off heater (see To Turn Off Gas toAppliance, page 14).8. Replace front panel.CAUTION: Make sure exter-nal regulator has been installedbetween propane/LP supply andheater. See guidelines underCon-necting to Gas Supply, page 12.WARNING: Never use an openflame to check for a leak. Apply amixture of liquid soap and waterto all joints. Bubbles forming showa leak. Correct all leaks at once.WARNING: Test all gas pip-ing and connections for leaksafter installing or servicing.Correct all leaks at once.INSTALLATIONContinued