Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain 550-110-260/0508 manual 9b Operation - wiring diagrams, Schematic wiring diagram

Models: 550-110-260/0508

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GOLD CGs Gas-Fired Water Boiler — Boiler Manual

9b Operation — wiring diagrams

Figure 19 Schematic wiring diagram

32	Part number 550-110-260/0508

Page 32

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Weil-McLain 550-110-260/0508 manual 9b Operation - wiring diagrams, GOLD CGs Gas-FiredWater Boiler — Boiler Manual

Contents

Boiler Manual • Installation • Maintenance • Startup • PartsGOLD CGs Gas-FiredWater BoilersHow it works GOLD CGs Gas-FiredWater Boiler - Boiler Manual④Air pressure switch ⑤Water temperature limit switchPart number 550-110-260/0508 GOLD CGs Gas-Fired Induced-DraftWater BoilerGOLD CGs Gas-FiredWater Boiler — Boiler Manual Contents Field wiringCheck-outprocedure Service and maintenanceInstaller Please read before proceedingUser When servicing boiler1a Prepare boiler location — codes & checklist Installations must follow these codesBefore locating the boiler, check the following GOLD CGs Gas-FiredWater Boiler — Boiler ManualRecommended SERVICE clearances Residential garage installations1b Prepare boiler location — clearances Required MINIMUM clearances Fig.1c Prepare boiler location — vent system CGs special vent systemGOLD CGs Gas-FiredWater Boiler — Boiler Manual Vent system1d Prepare boiler location — contamination GOLD CGs Gas-FiredWater Boiler — Boiler Manual1e Prepare boiler location — air openings Combustion air optionsSizing air openings Special considerationsGOLD CGs Gas-FiredWater Boiler — Boiler Manual Part number 550-110-260/05082a Prepare boiler — placement & setup Oriﬁce replacement procedurePlace boiler/crate near position Inspect oriﬁces and burners2b Prepare boiler — pressure test Hydrostatic pressure testDrain and remove ﬁttings GOLD CGs Gas-FiredWater Boiler - Boiler Manual3a Water piping — general information General piping informationCirculator Pressure/temperature gauge3b Water piping — single-zonesystem Diaphragm-typeor bladderClosed-typeexpansion tank type expansion tank Figure3c Water piping — multiple zones Piping multiple zonesGOLD CGs Gas-FiredWater Boiler — Boiler Manual Converted gravity or steam systems3c Water piping — multiple zones continued GOLD CGs Gas-FiredWater Boiler — Boiler Manual3d Piping — low temp systems Primary/secondary preferred bypass piping methodValve adjustment Figures 8 and 9 only GOLD CGs Gas-FiredWater Boiler — Boiler Manual3d Piping — low temp systems continued GOLD CGs Gas-FiredWater Boiler — Boiler ManualBOILER-bypasspiping method Valve adjustment3d Piping — low temp systems continued GOLD CGs Gas-FiredWater Boiler — Boiler Manual1Boiler isolation balancing valves 3d Piping — low temp systems continuedGOLD CGs Gas-FiredWater Boiler — Boiler Manual SYSTEM-bypasspiping method Valve adjustment3d Piping — low temp systems continued GOLD CGs Gas-FiredWater Boiler — Boiler Manual3e Water piping — refrigeration systems 3d Piping — low temp systems continuedGOLD CGs Gas-FiredWater Boiler - Boiler Manual Prevent chilled water from entering4 Venting and combustion air GOLD CGs Gas-FiredWater Boiler — Boiler ManualConnecting gas supply piping to boiler 5 Gas pipingNatural Gas Propane Gas6 Field wiring Electrical installation must comply withWiring connections ThermostatFreeze protection when used 7a Start-up— preparationDetermine if water treatment is needed Fill the system with water7a Start-up— preparation continued 7b Start-up- operate boilerFinal check before starting boiler Start the boiler7b Start-up- operate boiler continued 7c Start-up— if boiler doesn’t startCheck burner ﬂames Check forGOLD CGs Gas-FiredWater Boiler — Boiler Manual 8 Check-outprocedure — checklistInstallation and service certiﬁcate 9a Operation — sequence GOLD CGs Gas-FiredWater Boiler — Boiler Manual9b Operation - wiring diagrams Figure 19 Schematic wiring diagramGOLD CGs Gas-FiredWater Boiler — Boiler Manual Part number 550-110-260/0508Part number 550-110-260/0508 Figure 20 Ladder wiring diagramGOLD CGs Gas-FiredWater Boiler - Boiler Manual 9c Operating instructions CGs-3to CGs-6 GOLD CGs Gas-FiredWater Boiler — Boiler Manual• Spark pilot • Natural or propane gas • Gas valve: Honeywell VR8204/VR83049c Operating instructions CGs-3to CGs-6 GOLD CGs Gas-FiredWater Boiler — Boiler Manual• Spark pilot • Natural or propane gas • Gas valve: White-Rodgers36E9c Operating instructions CGs-3to CGi-6 GOLD CGs Gas-FiredWater Boiler - Boiler Manual• Spark pilot • Natural or propane gas • Gas valve: White-Rodgers36C10a Service and maintenance — schedule VERIFY PROPER OPERATION AFTER SERVICINGService technician Owner maintenance10b Service & maintenance - annual start-up InspectReported problems GOLD CGs Gas-FiredWater Boiler — Boiler ManualService Start-upInspect GOLD CGs Gas-FiredWater Boiler — Boiler Manual10b Service & maint. — annual start-up continued Check/testGOLD CGs Gas-FiredWater Boiler - Boiler Manual Gas pipingGOLD CGs Gas-FiredWater Boiler — Boiler Manual Boiler relief valve10b Service & maint. — annual start-up Cleaning boiler heating surfacesReview with owner GOLD CGs Gas-FiredWater Boiler - Boiler Manual11a Troubleshooting — procedure Before troubleshootingCheck the following GOLD CGs Gas-FiredWater Boiler — Boiler Manual11b Troubleshooting — air pressure switch Air pressure switchReturn to normal operation Check pressure switch setting11c Troubleshooting - control module Control moduleControl indicator lights — LOCKOUT modes Control indicator lights — NON-LOCKOUTmodes11c Troubleshooting - control module continued GOLD CGs Gas-FiredWater Boiler — Boiler ManualFigure 25 Control module connections Part number 550-110-260/050811d Troubleshooting — control module lights CHART 1 - Troubleshooting POWER light statusIs POWER light off? Is POWER lightCHART 2 — TSTAT CIRC & POWER lights flashing 11d Troubleshooting — control module lightsDo the TSTAT and POWER lights still flash? GOLD CGs Gas-FiredWater Boiler - Boiler Manual11d Troubleshooting — control module lights cont CHART 3 — PRESS SWITCH & POWER lights flashingIs PRESS SWITCH light flashing? Does the ohmmeter indicate the switch is closed?11d Troubleshooting — control module lights cont Do FLAME and POWER lights still flash?Are FLAME & POWER lights flashing? Are FLAME and POWER lights flashing?11d Troubleshooting — control module lights cont • TURN OFF POWER toTURN OFF POWER to boiler GOLD CGs Gas-FiredWater Boiler — Boiler Manual11d Troubleshooting — control module lights cont Does the ohmmeter indicate the switch is closed?GOLD CGs Gas-FiredWater Boiler — Boiler Manual Does blower motor operate?11d Troubleshooting — control module lights cont Does voltmeter show 120 VAC across pins?Are limit switch contacts closed? Are limit switch contacts closed?12a Replacement parts Section assemblyBase Jacket12b Replacement parts — section assembly GOLD CGs Gas-FiredWater Boiler — Boiler ManualItem number DescriptionPage 12c Replacement parts — base continued GOLD CGs Gas-FiredWater Boiler - Boiler ManualPart number 550-110-260/0508 Item12d Replacement parts — jacket Figure 28 Jacket assemblyGOLD CGs Gas-FiredWater Boiler — Boiler Manual Part number 550-110-260/050812d Replacement parts — jacket continued GOLD CGs Gas-FiredWater Boiler — Boiler ManualBoiler Boiler12e Replacement parts — trim Figure 29 Trim assemblyFittings shown are factory-installedon boiler GOLD CGs Gas-FiredWater Boiler — Boiler Manual12f Replacement parts — controls Figure 30 Gas control assemblyGOLD CGs Gas-FiredWater Boiler - Boiler Manual Part number 550-110-260/050813a Dimensions GOLD CGs Gas-FiredWater Boiler - Boiler ManualTable 7 Boiler ratings 13b RatingsGOLD CGs Gas-FiredWater Boiler — Boiler Manual Handling ceramic ﬁber and ﬁberglass materials GOLD CGs Gas-FiredWater Boiler — Boiler ManualREMOVAL OF COMBUSTION CHAMBER LINING OR BASE PANELS