Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain 550-110-260/0107 9c Operating instructions CGs-3to CGi-6, Gas valve White-Rodgers36C

Models: 550-110-260/0107

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GOLD CGs Gas-Fired Water Boiler — Boiler Manual

9c Operating instructions CGs-3 to CGi-6

• Spark pilot • Natural or propane gas

• Gas valve: White-Rodgers 36C

Part number 550-110-260/0107

Page 36

Image 36

Weil-McLain 550-110-260/0107 manual 9c Operating instructions CGs-3to CGi-6, GOLD CGs Gas-FiredWater Boiler — Boiler Manual

Contents

Installation Maintenance • Startup • PartsGOLD CGs Boiler ManualHow it works GOLD CGs Gas-FiredWater Boiler — Boiler Manual④Air pressure switch ⑤Water temperature limit switchGOLD CGs Gas-Fired Induced-DraftWater Boiler GOLD CGs Gas-FiredWater Boiler — Boiler ManualContents Field wiringCheck-outprocedure Service and maintenanceInstaller Please read before proceedingUser When servicing boiler —1a 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 optionsSpecial considerations Sizing air openingsGOLD CGs Gas-FiredWater Boiler — Boiler Manual 2a 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 ManualPressure/temperature gauge 3a Water piping - general informationGeneral piping information Circulator3b Water piping — single-zonesystem Diaphragm-typeor bladderClosed-typeexpansion tank type expansion tank Figure3c Water piping — multiple zones Piping multiple zonesPiping for radiant heating systems or converted gravity3c Water piping - multiple zones continued GOLD CGs Gas-FiredWater Boiler — Boiler Manual3d Piping — low temp systems Primary/secondary preferred bypass piping methodTemperature gauges Valve adjustment Figures 8 and 9 only3d Piping — low temp systems continued GOLD CGs Gas-FiredWater Boiler — Boiler ManualBOILER-bypasspiping method Temperature gaugesValve adjustment 3d Piping — low temp systems continued3d Piping - low temp systems continued GOLD CGs Gas-FiredWater Boiler — Boiler Manual1Boiler isolation balancing valves 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 for8 Check-outprocedure — checklist Installation and service certificateGOLD CGs Gas-FiredWater Boiler — Boiler Manual 9a Operation — sequence GOLD CGs Gas-FiredWater Boiler — Boiler Manual9b Operation — wiring diagrams Figure 19 Schematic wiring diagramGOLD CGs Gas-FiredWater Boiler — Boiler Manual Figure 20 Ladder wiring diagram GOLD CGs Gas-FiredWater Boiler - Boiler Manual9c 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 SERVICINGGOLD CGs Gas-FiredWater Boiler — Boiler Manual 10b 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 11d 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 POWERTURN OFF POWER TURN OFF POWER to11d 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? continuity — is switch12a Replacement parts Section assemblyBase Jacket12b Replacement parts — section assembly Figure 26 Section assemblyGOLD CGs Gas-FiredWater Boiler — Boiler Manual 12c Replacement parts — base Figure 27 Base assemblyGOLD CGs Gas-FiredWater Boiler — Boiler Manual 12c Replacement parts — base continued GOLD CGs Gas-FiredWater Boiler — Boiler ManualDescription Weil-McLain12d Replacement parts — jacket Figure 28 Jacket assemblyGOLD CGs Gas-FiredWater Boiler — Boiler Manual 12d Replacement parts — jacket continued GOLD CGs Gas-FiredWater Boiler — Boiler Manual12e Replacement parts — trim Fittings shown are factory-installedon boilerGOLD CGs Gas-FiredWater Boiler — Boiler Manual Item12f Replacement parts — controls Figure 30 Gas control assemblyGOLD CGs Gas-FiredWater Boiler - Boiler Manual 13a Dimensions Figure 31 Dimensional drawingGOLD CGs Gas-FiredWater Boiler — Boiler Manual 13b Ratings GOLD CGs Gas-FiredWater Boiler — Boiler ManualHandling ceramic fiber and fiberglass materials GOLD CGs Gas-FiredWater Boiler — Boiler ManualREMOVAL OF COMBUSTION CHAMBER LINING OR BASE PANELS