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Weil-McLain 550-110-260/0508 manual GOLD CGs Gas-FiredWater Boiler - Boiler Manual

Models: 550-110-260/0508

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GOLD CGs Gas-Fired Water Boiler — Boiler Manual

Figure 20 Ladder wiring diagram

Part number 550-110-260/0508

Page 33

Image 33

Weil-McLain 550-110-260/0508 manual GOLD CGs Gas-FiredWater Boiler - Boiler Manual, Ladder wiring diagram

Contents

• Startup • Parts Boiler Manual • Installation • MaintenanceGOLD CGs Gas-FiredWater BoilersGOLD CGs Gas-FiredWater Boiler - Boiler Manual How it works④Air pressure switch ⑤Water temperature limit switchGOLD CGs Gas-Fired Induced-DraftWater Boiler GOLD CGs Gas-FiredWater Boiler — Boiler ManualPart number 550-110-260/0508 Field wiring ContentsCheck-outprocedure Service and maintenancePlease read before proceeding InstallerUser When servicing boilerInstallations must follow these codes 1a Prepare boiler location — codes & checklistBefore locating the boiler, check the following GOLD CGs Gas-FiredWater Boiler — Boiler ManualResidential garage installations Recommended SERVICE clearances1b Prepare boiler location — clearances Required MINIMUM clearances Fig.CGs special vent system 1c Prepare boiler location — vent systemGOLD CGs Gas-FiredWater Boiler — Boiler Manual Vent systemGOLD CGs Gas-FiredWater Boiler — Boiler Manual 1d Prepare boiler location — contaminationCombustion air options 1e Prepare boiler location — air openingsSizing air openings Special considerationsPart number 550-110-260/0508 GOLD CGs Gas-FiredWater Boiler — Boiler ManualOriﬁce replacement procedure 2a Prepare boiler — placement & setupPlace boiler/crate near position Inspect oriﬁces and burnersHydrostatic pressure test 2b Prepare boiler — pressure testDrain and remove ﬁttings GOLD CGs Gas-FiredWater Boiler - Boiler ManualGeneral piping information 3a Water piping — general informationCirculator Pressure/temperature gaugeDiaphragm-typeor bladder 3b Water piping — single-zonesystemClosed-typeexpansion tank type expansion tank FigurePiping multiple zones 3c Water piping — multiple zonesGOLD CGs Gas-FiredWater Boiler — Boiler Manual Converted gravity or steam systemsGOLD CGs Gas-FiredWater Boiler — Boiler Manual 3c Water piping — multiple zones continuedPrimary/secondary preferred bypass piping method 3d Piping — low temp systemsValve adjustment Figures 8 and 9 only GOLD CGs Gas-FiredWater Boiler — Boiler ManualGOLD CGs Gas-FiredWater Boiler — Boiler Manual 3d Piping — low temp systems continuedValve adjustment BOILER-bypasspiping method3d Piping — low temp systems continued GOLD CGs Gas-FiredWater Boiler — Boiler Manual3d Piping — low temp systems continued GOLD CGs Gas-FiredWater Boiler — Boiler Manual1Boiler isolation balancing valves Valve adjustment SYSTEM-bypasspiping method3d Piping — low temp systems continued GOLD CGs Gas-FiredWater Boiler — Boiler Manual3d Piping — low temp systems continued 3e Water piping — refrigeration systemsGOLD CGs Gas-FiredWater Boiler - Boiler Manual Prevent chilled water from enteringGOLD CGs Gas-FiredWater Boiler — Boiler Manual 4 Venting and combustion air5 Gas piping Connecting gas supply piping to boilerNatural Gas Propane GasElectrical installation must comply with 6 Field wiringWiring connections Thermostat7a Start-up— preparation Freeze protection when usedDetermine if water treatment is needed Fill the system with water7b Start-up- operate boiler 7a Start-up— preparation continuedFinal check before starting boiler Start the boiler7c Start-up— if boiler doesn’t start 7b Start-up- operate boiler continuedCheck burner ﬂames Check for8 Check-outprocedure — checklist Installation and service certiﬁcateGOLD CGs Gas-FiredWater Boiler — Boiler Manual GOLD CGs Gas-FiredWater Boiler — Boiler Manual 9a Operation — sequenceFigure 19 Schematic wiring diagram 9b Operation - wiring diagramsGOLD CGs Gas-FiredWater Boiler — Boiler Manual Part number 550-110-260/0508Figure 20 Ladder wiring diagram GOLD CGs Gas-FiredWater Boiler - Boiler ManualPart number 550-110-260/0508 GOLD CGs Gas-FiredWater Boiler — Boiler Manual 9c Operating instructions CGs-3to CGs-6• Spark pilot • Natural or propane gas • Gas valve: Honeywell VR8204/VR8304GOLD CGs Gas-FiredWater Boiler — Boiler Manual 9c Operating instructions CGs-3to CGs-6• Spark pilot • Natural or propane gas • Gas valve: White-Rodgers36EGOLD CGs Gas-FiredWater Boiler - Boiler Manual 9c Operating instructions CGs-3to CGi-6• Spark pilot • Natural or propane gas • Gas valve: White-Rodgers36CVERIFY PROPER OPERATION AFTER SERVICING 10a Service and maintenance — scheduleService technician Owner maintenanceInspect 10b Service & maintenance - annual start-upReported problems GOLD CGs Gas-FiredWater Boiler — Boiler ManualStart-up ServiceInspect GOLD CGs Gas-FiredWater Boiler — Boiler ManualCheck/test 10b Service & maint. — annual start-up continuedGOLD CGs Gas-FiredWater Boiler - Boiler Manual Gas pipingBoiler relief valve GOLD CGs Gas-FiredWater Boiler — Boiler ManualCleaning boiler heating surfaces 10b Service & maint. — annual start-upReview with owner GOLD CGs Gas-FiredWater Boiler - Boiler ManualBefore troubleshooting 11a Troubleshooting — procedureCheck the following GOLD CGs Gas-FiredWater Boiler — Boiler ManualAir pressure switch 11b Troubleshooting — air pressure switchReturn to normal operation Check pressure switch settingControl module 11c Troubleshooting - control moduleControl indicator lights — LOCKOUT modes Control indicator lights — NON-LOCKOUTmodesGOLD CGs Gas-FiredWater Boiler — Boiler Manual 11c Troubleshooting - control module continuedFigure 25 Control module connections Part number 550-110-260/0508CHART 1 - Troubleshooting POWER light status 11d Troubleshooting — control module lightsIs POWER light off? Is POWER light11d Troubleshooting — control module lights CHART 2 — TSTAT CIRC & POWER lights flashingDo the TSTAT and POWER lights still flash? GOLD CGs Gas-FiredWater Boiler - Boiler ManualCHART 3 — PRESS SWITCH & POWER lights flashing 11d Troubleshooting — control module lights contIs PRESS SWITCH light flashing? Does the ohmmeter indicate the switch is closed?Do FLAME and POWER lights still flash? 11d Troubleshooting — control module lights contAre FLAME & POWER lights flashing? Are FLAME and POWER lights flashing?• TURN OFF POWER to 11d Troubleshooting — control module lights contTURN OFF POWER to boiler GOLD CGs Gas-FiredWater Boiler — Boiler ManualDoes the ohmmeter indicate the switch is closed? 11d Troubleshooting — control module lights contGOLD CGs Gas-FiredWater Boiler — Boiler Manual Does blower motor operate?Does voltmeter show 120 VAC across pins? 11d Troubleshooting — control module lights contAre limit switch contacts closed? Are limit switch contacts closed?Section assembly 12a Replacement partsBase JacketGOLD CGs Gas-FiredWater Boiler — Boiler Manual 12b Replacement parts — section assemblyItem number DescriptionPage GOLD CGs Gas-FiredWater Boiler - Boiler Manual 12c Replacement parts — base continuedPart number 550-110-260/0508 ItemFigure 28 Jacket assembly 12d Replacement parts — jacketGOLD CGs Gas-FiredWater Boiler — Boiler Manual Part number 550-110-260/0508GOLD CGs Gas-FiredWater Boiler — Boiler Manual 12d Replacement parts — jacket continuedBoiler BoilerFigure 29 Trim assembly 12e Replacement parts — trimFittings shown are factory-installedon boiler GOLD CGs Gas-FiredWater Boiler — Boiler ManualFigure 30 Gas control assembly 12f Replacement parts — controlsGOLD CGs Gas-FiredWater Boiler - Boiler Manual Part number 550-110-260/0508GOLD CGs Gas-FiredWater Boiler - Boiler Manual 13a Dimensions13b Ratings GOLD CGs Gas-FiredWater Boiler — Boiler ManualTable 7 Boiler ratings GOLD CGs Gas-FiredWater Boiler — Boiler Manual Handling ceramic ﬁber and ﬁberglass materialsREMOVAL OF COMBUSTION CHAMBER LINING OR BASE PANELS