Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain 550-110-710/0107 manual 12b Replacement parts — section assembly, Section assembly

Models: 550-110-710/0107

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GOLD CGi Gas-Fired Water Boiler — Boiler Manual

12b Replacement parts — section assembly

Figure 39 Section assembly

Part Number 550-110-710/0107	59

Page 59

Image 59

Weil-McLain 550-110-710/0107 12b Replacement parts — section assembly, GOLD CGi Gas-FiredWater Boiler — Boiler Manual

Contents

Boiler Manual • Installation • Maintenance• Startup • Parts GOLD CGi⑤Water temperature limit switch How it worksGOLD CGi Gas-FiredWater Boiler - Boiler Manual ④Air pressure switchGOLD CGi Gas-FiredWater Boiler — Boiler Manual GOLD CGi Gas-Fired Induced-DraftWater BoilerGOLD CGi Gas-FiredWater Boiler — Boiler Manual ContentsGOLD CGi Gas-FiredWater Boiler — Boiler Manual Please read before proceedingInstaller When servicing boiler —Before locating the boiler, check the following 1a Prepare boiler location — codes & checklistInstallations must follow these codes GOLD CGi Gas-FiredWater Boiler - Boiler ManualGOLD CGi Gas-FiredWater Boiler — Boiler Manual 1b Prepare boiler location — clearancesRecommended SERVICE clearances Residential garage installationsChimney or vent require- ments 1c Prepare boiler location — vent systemGOLD CGi Gas-FiredWater Boiler — Boiler Manual GOLD CGi Gas-FiredWater Boiler - Boiler Manual 1d Prepare boiler location - air contaminationAir opening options 1e Prepare boiler location — air openingsGOLD CGi Gas-FiredWater Boiler — Boiler Manual Air openings must be providedSingle air opening option GOLD CGi Gas-FiredWater Boiler — Boiler ManualExhaust fans and air movers Motorized air dampersPlace boiler/crate near position 2a Prepare boiler — placement & setupOrifice replacement procedure GOLD CGi Gas-FiredWater Boiler — Boiler ManualDrain and remove fittings 2b Prepare boiler — pressure testGOLD CGi Gas-FiredWater Boiler — Boiler Manual Hydrostatic pressure testChimney draft venting 3a Venting - general informationVenting — chimney draft venting GOLD CGi Gas-FiredWater Boiler — Boiler ManualObtain vent system components 3c Venting — Direct exhaust — componentsGOLD CGi Gas-FiredWater Boiler — Boiler Manual GOLD CGi Gas-FiredWater Boiler — Boiler Manual 3d Venting — direct exhaust — vent starterGOLD CGi Gas-FiredWater Boiler — Boiler Manual 3e Venting — direct exhaust — terminationGOLD CGi Gas-FiredWater Boiler — Boiler Manual 3f Venting — direct exhaust — installationSidewall termination 3f Venting — direct exhaust — installation contGOLD CGi Gas-FiredWater Boiler — Boiler Manual in substantial property damageGeneral piping information 4a Water piping — general informationPressure/temperature gauge GOLD CGi Gas-FiredWater Boiler — Boiler ManualFigure 4b Water piping — single-zonesystemGOLD CGi Gas-FiredWater Boiler — Boiler Manual Closed-typeexpansion tankConverted gravity or steam systems 4c Water piping — multiple zonesGOLD CGi Gas-FiredWater Boiler — Boiler Manual Piping multiple zonesGOLD CGi Gas-FiredWater Boiler — Boiler Manual 4c Water piping — multiple zones continuedGOLD CGi Gas-FiredWater Boiler — Boiler Manual 4d Piping — low temperature systemsTemperature gauges Valve adjustmentGOLD CGi Gas-FiredWater Boiler — Boiler Manual 4d Piping - low temperature systems continuedGOLD CGi Gas-FiredWater Boiler — Boiler Manual 4d Piping — low temperature systemsValve adjustment Temperature gauges1Boiler isolation balancing valves 4d Piping — low temperature systems continuedGOLD CGi Gas-FiredWater Boiler — Boiler Manual SYSTEM-bypasspiping method 4d Piping — low temperature systemsValve adjustment GOLD CGi Gas-FiredWater Boiler — Boiler ManualPrevent chilled water from entering boiler 4e Water piping — refrigeration system4d Piping — low temperature systems continued GOLD CGi Gas-FiredWater Boiler — Boiler ManualNatural Gas 5 Gas pipingConnecting gas supply piping to boiler GOLD CGi Gas-FiredWater Boiler - Boiler ManualGOLD CGi Gas-FiredWater Boiler — Boiler Manual 6 Field wiringElectrical installation must comply with Wiring connectionsCheck for gas leaks 7a Start-up— preparationFreeze protection when used GOLD CGi Gas-FiredWater Boiler — Boiler ManualInspect system water piping 7a Start-up— preparation continuedGOLD CGi Gas-FiredWater Boiler — Boiler Manual Fill the system with waterCheck system and boiler 7b Start-up— operate boilerGOLD CGi Gas-FiredWater Boiler — Boiler Manual Start the boilerPilot burner flame Figure 7b Start-up— operate boiler continued7c Start-up- if boiler doesn’t start GOLD CGi Gas-FiredWater Boiler — Boiler ManualGOLD CGi Gas-FiredWater Boiler — Boiler Manual 8 Check-outprocedure — checklistInstallation and service certificate GOLD CGi Gas-FiredWater Boiler — Boiler Manual 9a Operation — sequenceGOLD CGi Gas-FiredWater Boiler — Boiler Manual 9b Operation — wiring diagramsFigure 31 Schematic wiring diagram GOLD CGi Gas-FiredWater Boiler — Boiler Manual Figure 32 Ladder wiring diagram• Gas valve: Honeywell VR8204/VR8304 9c Operating instructions CGi-25to CGi-6GOLD CGi Gas-FiredWater Boiler — Boiler Manual • Spark pilot • Natural or propane gas• Gas valve: White-Rodgers36E 9c Operating instructions CGi-25to CGi-6GOLD CGi Gas-FiredWater Boiler — Boiler Manual Spark pilot Natural or propane gas• Gas valve: White-Rodgers36C 9c Operating instructions CGi-25to CGi-8GOLD CGi Gas-FiredWater Boiler — Boiler Manual • Spark pilot • Natural or propane gasVERIFY PROPER OPERATION AFTER SERVICING 10a Service and maintenance — scheduleGOLD CGi Gas-FiredWater Boiler — Boiler Manual GOLD CGi Gas-FiredWater Boiler — Boiler Manual 10b Service and maintenance — annual start-upInspect Reported problemsInspect 10b Service & maintenance – annual start-up contService Start-upGas piping Check/test10b Service & maintenance – annual start-up cont GOLD CGi Gas-FiredWater Boiler — Boiler ManualReview with owner Cleaning boiler heating surfaces10b Service & maintenance – annual start-up cont GOLD CGi Gas-FiredWater Boiler — Boiler ManualTroubleshooting air pressure reading 11a Troubleshooting — procedure11b Troubleshooting — components Check pressure switch settingControl indicator lights — LOCKOUT modes 11b Troubleshooting — components continuedControl indicator lights — Troubleshooting the control moduleFigure 38 Control module connections 11b Troubleshooting — components continuedGOLD CGi Gas-FiredWater Boiler — Boiler Manual Is POWER light flashing now? 11c Troubleshooting — control module lightsIs POWER light off? Is POWER lightGOLD CGi Gas-FiredWater Boiler — Boiler Manual 11c Troubleshooting — control module lights contCHART 2 — TSTAT CIRC & POWER lights flashing Do the TSTAT and POWER lights still flash?Does the ohmmeter indicate the switch is closed? 11c Troubleshooting — control module lights contCHART 3 — PRESS SWITCH & POWER lights flashing Is PRESS SWITCH light flashing?Are FLAME and POWER lights flashing? 11c Troubleshooting — control module lights contDo FLAME and POWER lights still flash? Are FLAME & POWER lights flashing?GOLD CGi Gas-FiredWater Boiler — Boiler Manual 11c Troubleshooting - control module lights contDoes the ohmmeter indicate the switch is closed? Is PRESS SWITCH light flashing?TURN OFF POWER to boiler 11c Troubleshooting — control module lights contTURN OFF POWER TURN OFF POWERAre limit switch contacts 11c Troubleshooting — control module lights contAre limit switch contacts closed? Does voltmeter show 120 VAC across pins?GOLD CGi Gas-FiredWater Boiler — Boiler Manual 12a Replacement partsGOLD CGi Gas-FiredWater Boiler — Boiler Manual 12b Replacement parts — section assemblyFigure 39 Section assembly GOLD CGi Gas-FiredWater Boiler — Boiler Manual 12c Replacement parts — baseFigure 40 Base assembly Description 12c Replacement parts — base continuedGOLD CGi Gas-FiredWater Boiler — Boiler Manual ItemGOLD CGi Gas-FiredWater Boiler — Boiler Manual 12d Replacement parts — jacketFigure 41 Jacket assembly GOLD CGi Gas-FiredWater Boiler — Boiler Manual 12d Replacement parts — jacket continuedGOLD CGi Gas-FiredWater Boiler — Boiler Manual 12e Replacement parts — trimFigure 42 Trim assembly Fittings shown are factory-installedon boilerGOLD CGi Gas-FiredWater Boiler — Boiler Manual 12f Replacement parts - controlsFigure 43 Gas control assembly GOLD CGi Gas-FiredWater Boiler — Boiler Manual 13a DimensionsFigure 44 Dimensional drawing GOLD CGi Gas-FiredWater Boiler — Boiler Manual 13b RatingsLINING OR BASE PANELS Handling ceramic fiber and fiberglass materialsGOLD CGi Gas-FiredWater Boiler — Boiler Manual REMOVAL OF COMBUSTION CHAMBER