Weil-McLain 550-141-850/0599, GOLD DV WATER BOILER manual Bottom side of boiler front section

Page 19

•Installation • Start-Up • Parts • Maintenance

Figure 5b Checking and replacing gas/air orifice plate. For propane installations, replace silver plate with red/white propane plate.

	DO NOT use electric or			threaded holes could strip out, causing

	pneumatic screwdrivers to			an inadequate seal of the orifice plate.

	remove or tighten the gas/air boss			Failure to properly seal the plate to
	screws. Hand-tighten only, using			the housing could result in a gas leak,
	manual screwdriver. Should the			causing severe personal injury, death
	torque exceed 40 inch-pounds, the			or substantial property damage.


White side (propane plate)
Warning label side (natural gas)
	(Install with this side
toward air inlet hose)

Gas/air manifold

Bottom side of boiler front section

PROP GVX

Propane — red side

Natural — plain side

Install plate with red side (propane) or plain side (natural) against the blower housing.

Orifice plate after bending along score mark. This makes the plate identification readable after

installation.85004b

Part number 550-141-850/0699

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Image 19

Contents Gold GV How it works Gold GV Water boiler Series Please read before proceeding Hazard definitions Installer UserBoiler operation When servicing boilerBoiler water Contents Contents Overview of this section Ia Prepare boiler location overviewIb Prepare boiler location codes & altitude Installations must follow these codesSmall space Ic Prepare boiler location clearancesClearance options Large spaceFlooring Residential garage installationPrecautions Flooring and foundationRemoving from existing vent Id Prepare boiler location vent systemGV special vent system Air contamination Ie Prepare boiler location contaminationIf Prepare boiler location air openings GV in small space less than alone Special considerationsIIb Prepare boiler vent starter tee & drain IIa Prepare boiler overviewScrew hole Base rail Insert Cpvc elbow Propane Plate installationIIc Prepare boiler orifice plate Natural gasBottom side of boiler front section IId Prepare boiler high altitude kit When requiredWhite Hose Red Altitudes above 5,500 feet onlyIIe Prepare boiler place in position Rotate Fill and pressure test IIf Prepare boiler pressure testPerform hydrostatic pressure test Prepare boiler for test FigPiping connections for hydrostatic test For heating system with See pages 27 30 IIIa Water piping overviewIIIb Water piping relief valve Install relief valveExpansion tank IIIc Water piping boiler connectionsSupply & return connections Air separatorPiping closed Zoning with circulators IIId Water piping all systemsBaseboard system piping IIIe Water piping baseboard systemRadiator system piping IIIf Water piping radiator systemIIIg Water piping single-zone radiant or heat pump system IIIh Water piping multi-zone radiant system Outdoor reset controlMulti-zone radiant heating system piping Manual bypass valves for fixed temp operation only IIIi Water piping snow melt systemWater chiller systems IIIj Water piping water chiller systemsIV Venting and combustion air Gas piping Connecting gas supply piping to boilerPropane Gas Feet Thermostats VI Field wiringElectrical installation must comply with Wiring connectionsField wiring Factory wiring Verify water chemistry Freeze protection when usedVIIa Start-up overview VIIb Start-up preparationFill the system with water VIIb Start-up preparationVerify gas/air orifice plate Check for gas leaksStart the boiler VIIc Start-up read SectionVIId Start-up to operate boiler Perform final checks before starting boilerVIIe Start-up if boiler doesn’t start VIId Start-up operate boilerVIIf Start-up altitude over 5,500 feet only Connect and adjust manometerCheck Gas Control Set Point At Least Inches Check-out procedure checklist VIIIa Check-out procedure overviewVIIIb Check-out procedure checklist IXa Operation overview Shows the ladder wiring diagram for the GV series 3 boilerSteps IXb Operation sequenceLadder diagram legend IXb Operation wiring diagramsGCM IXc Operation lighting instructions For Your Safety Read Before OperatingWhite-Rodgers gas valve model 36E Xa Service and maintenance overview Service technician Xb Service and maintenance scheduleAnnual start-up only by qualified service technician Xc Service & maintenance annual start-upStart-up Annual start-up check/test Xc Service & maint. annual start-upcontGauges Expansion tankIgniter Boiler relief valve Annual start-up owner reviewReview with owner Condensate drain line Check valve assembly To remove the blower assembly Igniter XIa Troubleshooting overview Before troubleshooting XIb Troubleshooting proceduresCheck the following Checking the air pressure switch XIc Troubleshooting air pressure switchGas Valve XId Troubleshooting servicing tipsBlower Housing IgniterControl Module XIe Troubleshooting control modulePower Symptom Common Causes Possible Corrections XIf Troubleshooting common problemsSymptom Common Causes Possible Corrections Chart 1 Troubleshooting Power light status XIg Troubleshooting GCM lightsChart 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 Water trim bag assembly #1 XIIb Replacement parts accessory bagDescription Model Weil-McLain Number Part number XIIc Replacement parts section assembly85041 422-200-228 XIId Replacement parts jacket assembly85042 382-200-340 XIIe Replacement parts Blower assemblyVent starter tee not included Description Weil-McLain Number Part number XIIf Replacement parts trim assembly85048 XIIg Replacement parts interior panel Interior panel Number Xiii Dimensions and ratingsDOE Gold GV Water boiler Series