Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain 550-110-260/02002 manual

Models: 550-110-260/02002

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Contents

Page GOLD CGs Gas-FiredWater Boiler How it worksPage 3. Water piping Contents12. Replacement parts 6–11User InstallerPlease read before proceeding Boiler ManualBefore locating the boiler, check the following 1a Prepare boiler location — codes & checklistInstallations must follow these codes GOLD CGs Gas-FiredWater BoilerProvide the following clearances Residential garage installation1b Prepare boiler location — clearances Flooring and foundationGOLD CGs Gas-FiredWater Boiler 1c Prepare boiler location — vent systemRemoving from existing vent CGs special vent systemTable 1 Corrosive contaminants 1d Prepare boiler location — contaminationAir contamination Boiler ManualSpecial considerations 1e Prepare boiler location — air openingsCGs combustion air options Sizing air openingsRoom Air Openings Direct exhaust vent installationDirect vent installation Boiler ManualInspect orifices and burners 2a Prepare boiler — placement & setupOrifice replacement procedure Place boiler/crate near positionPrepare boiler for test 2b Prepare boiler — pressure testPerform hydrostatic pressure test Boiler ManualCirculator Pressure/temperature gauge3a Water piping — general information General piping informationClosed-typeexpansion tank - Figure 3b Water piping — single-zonesystemExpansion tank Boiler ManualGOLD CGs Gas-FiredWater Boiler 3c Water piping — multiple zonesZoning with zone valves, return temp over 130 F Zoning with circulators, return temp over 130 F— return water 130 F or higher typical piping — multiple-zoneinstallationsBoiler Manual Zoning with circulatorsGOLD CGs Gas-FiredWater Boiler Temperature gauges Valve adjustment3d Water piping — low temp systems Primary/secondary preferred bypass piping methodFigure primary/secondary preferred bypass pipingfor radiant heating or converted gravity systems Boiler ManualBoiler-bypasspiping method 3e Water piping - low temp systemsTemperature gauges Valve adjustment GOLD CGs Gas-FiredWater BoilerFigure 10 Boiler-bypasspiping boiler-bypassalternate piping —Boiler Manual for radiant heating or converted gravity systemsSystem-bypasspiping method Valve adjustment3f Water piping - low temp systems GOLD CGs Gas-FiredWater BoilerPrevent chilled water from entering boiler 3f system-bypassalternate piping —3g Water piping — refrigeration system for converted gravity or steam systemsGOLD CGs Gas-FiredWater Boiler Connecting gas supply piping to boiler4Venting and combustion air 5Gas pipingBoiler Manual 5 Gas piping continuedNatural Gas GOLD CGs Gas-FiredWater Boiler 6Field wiringWiring connections Electrical installation must comply withFill the system with water 7a Start-up— preparationDetermine if water treatment is needed Check for gas leaksFinal check before starting boiler 7a Start-up— preparation continued7b Start-up- operate boiler Inspect system water pipingCheck for 7b Start-up— operate boiler continued7c Start-up— if boiler doesn’t start Check burner flamesInstallation and service certificate 8Check-outprocedure — checklistGOLD CGs Gas-FiredWater Boiler Boiler Manual 9a Operation — sequenceFigure 19 Schematic wiring diagram 9b Operation — wiring diagramsGOLD CGs Gas-FiredWater Boiler Boiler Manual Legend for ladder wiring diagramG Power R Press switchTO TURN OFF GAS TO THE APPLIANCE FOR YOUR SAFETY READ BEFORE OPERATING9c Operation - lighting instructions OPERATING INSTRUCTIONSTable 5 Service and maintenance schedules 10a Service and maintenance — scheduleService technician Owner maintenanceGOLD CGs Gas-FiredWater Boiler 10b Service & maintenance — annual start-upInspect Reported problemsBurners, base and inlet air box ServiceInspect Boiler ManualGOLD CGs Gas-FiredWater Boiler 10b Service & maint. — annual start-up continuedStart-up Check/testFigure 23 Relief valve, typical Boiler ManualBoiler relief valve lever must be operated AT LEASTGOLD CGs Gas-FiredWater Boiler 10b Service & maint. - annual start-upCleaning boiler heating surfaces Review with ownerVERIFY PROPER OPERATION AFTER SERVICING 11a Troubleshooting — procedureBefore troubleshooting Check the followingTable 6 Pressure switch setpoint 11b Troubleshooting — air pressure switchCheck pressure switch setting Troubleshooting air pressure readingTroubleshooting the control module 11c Troubleshooting — control moduleControl indicator lights — lockout modes Control indicator lights — non-lockoutmodes120 VAC IN 11c Troubleshooting — control module continuedGOLD CGs Gas-FiredWater Boiler Figure 25 Control module connectionsIs POWER light 11d Troubleshooting — control module lightsCHART 1 — Troubleshooting POWER light status Is POWER light off?GOLD CGs Gas-FiredWater Boiler 11d Troubleshooting — control module lightsCHART 2 — TSTAT CIRC & POWER lights flashing Do the TSTAT and POWER lights still flash?Does the ohmmeter indicate the switch is closed? continuedCHART 3 — PRESS SWITCH & POWER lights flashing Is PRESS SWITCH light flashing?Are FLAME and POWER lights flashing? 11d Troubleshooting — control module lightsDo FLAME and POWER lights still flash? Are FLAME & POWER lights flashing?continued Boiler ManualNatural gas — 5.0 w.c. min/14.0 w.c. max GOLD CGs Gas-FiredWater Boiler 11d Troubleshooting — control module lightsDoes the ohmmeter indicate the switch is closed? Is PRESS SWITCH light flashing?continued Does voltmeter show 120 VAC across pins?Are limit switch contacts closed? Boiler ManualJacket assembly 12a Replacement partsSection assembly Base assemblyPage Page Page Page Page Figure 31 Dimensional drawing 13a DimensionsGOLD CGs Gas-FiredWater Boiler Boiler ratings 13b RatingsBoiler Manual TableGOLD CGs Gas-FiredWater Boiler — Boiler Manual Handling ceramic fiber and fiberglass materialsWeil-McLain 500 Blaine Street Michigan City, IN