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Weil-McLain 550-110-260/0107 manual GOLD CGs Gas-FiredWater Boiler — Boiler Manual

Models: 550-110-260/0107

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GOLD CGs Gas-Fired Water Boiler — Boiler Manual

Figure 3 Sizing air openings for CGs installations ✷

Part number 550-110-260/0107

Page 11

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Weil-McLain 550-110-260/0107 manual GOLD CGs Gas-FiredWater Boiler — Boiler Manual

Contents

Boiler Manual Installation Maintenance• Startup • Parts GOLD CGs⑤Water temperature limit switch How it worksGOLD CGs Gas-FiredWater Boiler — Boiler Manual ④Air pressure switchGOLD CGs Gas-FiredWater Boiler — Boiler Manual GOLD CGs Gas-Fired Induced-DraftWater BoilerService and maintenance ContentsField wiring Check-outprocedureWhen servicing boiler — InstallerPlease read before proceeding UserGOLD CGs Gas-FiredWater Boiler - Boiler Manual 1a Prepare boiler location — codes & checklistInstallations must follow these codes Before locating the boiler, check the followingRequired MINIMUM clearances Fig. Recommended SERVICE clearancesResidential garage installations 1b Prepare boiler location — clearancesVent system 1c Prepare boiler location — vent systemCGs special vent system GOLD CGs Gas-FiredWater Boiler — Boiler ManualGOLD CGs Gas-FiredWater Boiler — Boiler Manual 1d Prepare boiler location — contaminationSizing air openings 1e Prepare boiler location — air openingsCombustion air options Special considerationsGOLD CGs Gas-FiredWater Boiler — Boiler Manual Inspect orifices and burners 2a Prepare boiler — placement & setupOrifice replacement procedure Place boiler/crate near positionGOLD CGs Gas-FiredWater Boiler — Boiler Manual 2b Prepare boiler - pressure testHydrostatic pressure test Drain and remove fittingsCirculator Pressure/temperature gauge3a Water piping - general information General piping informationtype expansion tank Figure 3b Water piping — single-zonesystemDiaphragm-typeor bladder Closed-typeexpansion tanksystems or converted gravity 3c Water piping — multiple zonesPiping multiple zones Piping for radiant heatingGOLD CGs Gas-FiredWater Boiler — Boiler Manual 3c Water piping - multiple zones continuedValve adjustment Figures 8 and 9 only 3d Piping — low temp systemsPrimary/secondary preferred bypass piping method Temperature gaugesGOLD CGs Gas-FiredWater Boiler — Boiler Manual 3d Piping — low temp systems continued3d Piping — low temp systems continued BOILER-bypasspiping methodTemperature gauges Valve adjustment1Boiler isolation balancing valves 3d Piping - low temp systems continuedGOLD CGs Gas-FiredWater Boiler — Boiler Manual GOLD CGs Gas-FiredWater Boiler — Boiler Manual SYSTEM-bypasspiping methodValve adjustment 3d Piping — low temp systems continuedPrevent chilled water from entering 3e Water piping — refrigeration systems3d Piping — low temp systems continued GOLD CGs Gas-FiredWater Boiler — Boiler ManualGOLD CGs Gas-FiredWater Boiler — Boiler Manual 4 Venting and combustion airPropane Gas Connecting gas supply piping to boiler5 Gas piping Natural GasThermostat 6 Field wiringElectrical installation must comply with Wiring connectionsFill the system with water Freeze protection when used7a Start-up— preparation Determine if water treatment is neededStart the boiler 7a Start-up— preparation continued7b Start-up— operate boiler Final check before starting boilerCheck for 7b Start-up— operate boiler continued7c Start-up- if boiler doesn’t start Check burner flamesGOLD CGs Gas-FiredWater Boiler — Boiler Manual 8 Check-outprocedure — checklistInstallation and service certificate GOLD CGs Gas-FiredWater Boiler — Boiler Manual 9a Operation — sequenceGOLD CGs Gas-FiredWater Boiler — Boiler Manual 9b Operation — wiring diagramsFigure 19 Schematic wiring diagram GOLD CGs Gas-FiredWater Boiler - Boiler Manual Figure 20 Ladder wiring diagram• Gas valve: Honeywell VR8204/VR8304 9c Operating instructions CGs-3to CGs-6GOLD CGs Gas-FiredWater Boiler — Boiler Manual • Spark pilot • Natural or propane gas• Gas valve: White-Rodgers36E 9c Operating instructions CGs-3to CGs-6GOLD CGs Gas-FiredWater Boiler — Boiler Manual • Spark pilot • Natural or propane gasGas valve White-Rodgers36C 9c Operating instructions CGs-3to CGi-6GOLD CGs Gas-FiredWater Boiler — Boiler Manual • Spark pilot • Natural or propane gasGOLD CGs Gas-FiredWater Boiler — Boiler Manual 10a Service and maintenance - scheduleVERIFY PROPER OPERATION AFTER SERVICING GOLD CGs Gas-FiredWater Boiler — Boiler Manual 10b Service & maintenance — annual start-upInspect Reported problemsGOLD CGs Gas-FiredWater Boiler — Boiler Manual ServiceStart-up InspectGas piping 10b Service & maint. — annual start-up continuedCheck/test GOLD CGs Gas-FiredWater Boiler — Boiler ManualBoiler relief valve GOLD CGs Gas-FiredWater Boiler — Boiler ManualGOLD CGs Gas-FiredWater Boiler - Boiler Manual 10b Service & maint. — annual start-upCleaning boiler heating surfaces Review with ownerGOLD CGs Gas-FiredWater Boiler — Boiler Manual 11a Troubleshooting — procedureBefore troubleshooting Check the followingCheck pressure switch setting 11b Troubleshooting — air pressure switchAir pressure switch Return to normal operationControl indicator lights — NON-LOCKOUTmodes 11c Troubleshooting — control moduleControl module Control indicator lights — LOCKOUT modesFigure 25 Control module connections 11c Troubleshooting — control module continuedGOLD CGs Gas-FiredWater Boiler — Boiler Manual Is POWER light 11d Troubleshooting — control module lightsCHART 1 — Troubleshooting POWER light status Is POWER light off?GOLD CGs Gas-FiredWater Boiler — Boiler Manual CHART 2 — TSTAT CIRC & POWER lights flashing11d Troubleshooting — control module lights Do the TSTAT and POWER lights still flash?Does the ohmmeter indicate the switch is closed? 11d Troubleshooting — control module lights contCHART 3 — PRESS SWITCH & POWER lights flashing Is PRESS SWITCH light flashing?Are FLAME and POWER lights flashing? 11d Troubleshooting — control module lights contDo FLAME and POWER lights still flash? Are FLAME & POWER lights flashing?TURN OFF POWER to 11d Troubleshooting — control module lights contTURN OFF POWER TURN OFF POWERDoes blower motor operate? 11d Troubleshooting — control module lights contDoes the ohmmeter indicate the switch is closed? GOLD CGs Gas-FiredWater Boiler — Boiler Manualcontinuity — is switch 11d Troubleshooting — control module lights contDoes voltmeter show 120 VAC across pins? Are limit switch contacts closed?Jacket 12a Replacement partsSection assembly BaseGOLD CGs Gas-FiredWater Boiler — Boiler Manual 12b Replacement parts — section assemblyFigure 26 Section assembly GOLD CGs Gas-FiredWater Boiler — Boiler Manual 12c Replacement parts — baseFigure 27 Base assembly Weil-McLain 12c Replacement parts — base continuedGOLD CGs Gas-FiredWater Boiler — Boiler Manual DescriptionGOLD CGs Gas-FiredWater Boiler — Boiler Manual 12d Replacement parts — jacketFigure 28 Jacket assembly GOLD CGs Gas-FiredWater Boiler — Boiler Manual 12d Replacement parts — jacket continuedItem 12e Replacement parts — trimFittings shown are factory-installedon boiler GOLD CGs Gas-FiredWater Boiler — Boiler ManualGOLD CGs Gas-FiredWater Boiler - Boiler Manual 12f Replacement parts — controlsFigure 30 Gas control assembly GOLD CGs Gas-FiredWater Boiler — Boiler Manual 13a DimensionsFigure 31 Dimensional drawing GOLD CGs Gas-FiredWater Boiler — Boiler Manual 13b RatingsLINING OR BASE PANELS Handling ceramic fiber and fiberglass materialsGOLD CGs Gas-FiredWater Boiler — Boiler Manual REMOVAL OF COMBUSTION CHAMBER