Weil-McLain GOLD DV WATER BOILER, 550-141-850/0599 manual Gold GV Water boiler Series

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GOLD GV Water boiler — Series 3

Weil-McLain

500 Blaine Street

Michigan City, IN 46360-2388

http://www.weil-mclain.com

96	Part number 550-141-850/0699

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Contents Gold GV How it works Gold GV Water boiler Series Hazard definitions Installer User Please read before proceedingWhen servicing boiler Boiler operationBoiler water Contents Contents Ia Prepare boiler location overview Overview of this sectionInstallations must follow these codes Ib Prepare boiler location codes & altitudeIc Prepare boiler location clearances Clearance optionsLarge space Small spaceResidential garage installation PrecautionsFlooring and foundation FlooringId Prepare boiler location vent system Removing from existing ventGV special vent system Ie Prepare boiler location contamination Air contaminationIf Prepare boiler location air openings Special considerations GV in small space less than aloneIIa Prepare boiler overview IIb Prepare boiler vent starter tee & drainScrew hole Base rail Insert Cpvc elbow Plate installation IIc Prepare boiler orifice plateNatural gas PropaneBottom side of boiler front section When required IId Prepare boiler high altitude kitAltitudes above 5,500 feet only White Hose RedIIe Prepare boiler place in position Rotate IIf Prepare boiler pressure test Perform hydrostatic pressure testPrepare boiler for test Fig Fill and pressure testPiping connections for hydrostatic test IIIa Water piping overview For heating system with See pages 27 30Install relief valve IIIb Water piping relief valveIIIc Water piping boiler connections Supply & return connectionsAir separator Expansion tankPiping closed IIId Water piping all systems Zoning with circulatorsIIIe Water piping baseboard system Baseboard system pipingIIIf Water piping radiator system Radiator system pipingIIIg Water piping single-zone radiant or heat pump system Outdoor reset control IIIh Water piping multi-zone radiant systemMulti-zone radiant heating system piping IIIi Water piping snow melt system Manual bypass valves for fixed temp operation onlyIIIj Water piping water chiller systems Water chiller systemsIV Venting and combustion air Connecting gas supply piping to boiler Gas pipingPropane Gas Feet VI Field wiring Electrical installation must comply withWiring connections ThermostatsField wiring Factory wiring Freeze protection when used VIIa Start-up overviewVIIb Start-up preparation Verify water chemistryVIIb Start-up preparation Verify gas/air orifice plateCheck for gas leaks Fill the system with waterVIIc Start-up read Section VIId Start-up to operate boilerPerform final checks before starting boiler Start the boilerVIId Start-up operate boiler VIIe Start-up if boiler doesn’t startConnect and adjust manometer VIIf Start-up altitude over 5,500 feet onlyCheck Gas Control Set Point At Least Inches VIIIa Check-out procedure overview Check-out procedure checklistVIIIb Check-out procedure checklist Shows the ladder wiring diagram for the GV series 3 boiler IXa Operation overviewIXb Operation sequence StepsIXb Operation wiring diagrams Ladder diagram legendGCM For Your Safety Read Before Operating IXc Operation lighting instructionsWhite-Rodgers gas valve model 36E Xa Service and maintenance overview Xb Service and maintenance schedule Service technicianXc Service & maintenance annual start-up Annual start-up only by qualified service technicianStart-up Xc Service & maint. annual start-upcont Annual start-up check/testExpansion tank GaugesIgniter Annual start-up owner review Boiler relief valveReview with owner Condensate drain line Check valve assembly To remove the blower assembly Igniter XIa Troubleshooting overview XIb Troubleshooting procedures Before troubleshootingCheck the following XIc Troubleshooting air pressure switch Checking the air pressure switchXId Troubleshooting servicing tips Blower HousingIgniter Gas ValveXIe Troubleshooting control module Control ModulePower XIf Troubleshooting common problems Symptom Common Causes Possible CorrectionsSymptom Common Causes Possible Corrections XIg Troubleshooting GCM lights Chart 1 Troubleshooting Power light statusChart 2 Tstat Circ & Power lights flashing Chart 3 Limit & Power lights flashing Chart 4 Pres Switch & Power lights flashing Chart 5 Flame & Power lights flashing Chart 6 Tstat Circ light flashing and Power light on steady Chart 7 Limit light flashing and Power light on steady Is thermostat circuit closed continuity across wires? XIIa Replacement parts overview XIIb Replacement parts accessory bag Water trim bag assembly #1XIIc Replacement parts section assembly Description Model Weil-McLain Number Part number85041 XIId Replacement parts jacket assembly 422-200-22885042 XIIe Replacement parts Blower assembly 382-200-340Vent starter tee not included XIIf Replacement parts trim assembly Description Weil-McLain Number Part number85048 XIIg Replacement parts interior panel Interior panel Xiii Dimensions and ratings NumberDOE Gold GV Water boiler Series