Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain Series 2 9c Operating instructions CGi-25to CGi-6, • Gas valve: White-Rodgers36E

Models: Series 2

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GOLD CGi Gas-Fired Water Boiler — Boiler Manual

9c Operating instructions CGi-25 to CGi-6

• Spark pilot • Natural or propane gas

• Gas valve: White-Rodgers 36E

Part Number 550-110-710/0107	41

Page 41

Image 41

Weil-McLain Series 2 manual 9c Operating instructions CGi-25to CGi-6, GOLD CGi Gas-FiredWater Boiler — Boiler Manual

Contents

• Startup • Parts • Installation • MaintenanceGOLD CGi Boiler ManualGOLD CGi Gas-FiredWater Boiler — Boiler Manual How it works④Air pressure switch ⑤Water temperature limit switchGOLD CGi Gas-FiredWater Boiler — Boiler Manual GOLD CGi Gas-Fired Induced-DraftWater BoilerGOLD CGi Gas-FiredWater Boiler — Boiler Manual ContentsInstaller Please read before proceedingWhen servicing boiler — GOLD CGi Gas-FiredWater Boiler — Boiler ManualInstallations must follow these codes 1a Prepare boiler location — codes & checklistGOLD CGi Gas-FiredWater Boiler - Boiler Manual Before locating the boiler, check the followingRecommended SERVICE clearances 1b Prepare boiler location — clearancesResidential garage installations GOLD CGi Gas-FiredWater Boiler — Boiler ManualChimney 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 contaminationGOLD CGi Gas-FiredWater Boiler — Boiler Manual 1e Prepare boiler location — air openingsAir openings must be provided Air opening optionsExhaust fans and air movers GOLD CGi Gas-FiredWater Boiler — Boiler ManualMotorized air dampers Single air opening optionOrifice replacement procedure 2a Prepare boiler — placement & setupGOLD CGi Gas-FiredWater Boiler — Boiler Manual Place boiler/crate near positionGOLD CGi Gas-FiredWater Boiler — Boiler Manual 2b Prepare boiler — pressure testHydrostatic pressure test Drain and remove fittingsVenting — chimney draft venting 3a Venting — general informationGOLD CGi Gas-FiredWater Boiler — Boiler Manual Chimney draft ventingObtain 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 — installationGOLD CGi Gas-FiredWater Boiler — Boiler Manual 3f Venting — direct exhaust — installation contin substantial property damage Sidewall terminationPressure/temperature gauge 4a Water piping — general informationGOLD CGi Gas-FiredWater Boiler — Boiler Manual General piping informationGOLD CGi Gas-FiredWater Boiler — Boiler Manual 4b Water piping — single-zonesystemClosed-typeexpansion tank FigureGOLD CGi Gas-FiredWater Boiler — Boiler Manual 4c Water piping — multiple zonesPiping multiple zones Converted gravity or steam systemsGOLD CGi Gas-FiredWater Boiler — Boiler Manual 4c Water piping — multiple zones continuedTemperature gauges 4d Piping — low temperature systemsValve adjustment GOLD CGi Gas-FiredWater Boiler — Boiler ManualGOLD CGi Gas-FiredWater Boiler - Boiler Manual 4d Piping — low temperature systems continuedValve adjustment 4d Piping — low temperature systemsTemperature gauges GOLD CGi Gas-FiredWater Boiler — Boiler Manual1Boiler isolation balancing valves 4d Piping — low temperature systems continuedGOLD CGi Gas-FiredWater Boiler - Boiler Manual Valve adjustment 4d Piping — low temperature systemsGOLD CGi Gas-FiredWater Boiler — Boiler Manual SYSTEM-bypasspiping method4d Piping — low temperature systems continued 4e Water piping — refrigeration systemGOLD CGi Gas-FiredWater Boiler — Boiler Manual Prevent chilled water from entering boilerConnecting gas supply piping to boiler 5 Gas pipingGOLD CGi Gas-FiredWater Boiler — Boiler Manual Natural GasElectrical installation must comply with 6 Field wiringWiring connections GOLD CGi Gas-FiredWater Boiler — Boiler ManualFreeze protection when used 7a Start-up- preparationGOLD CGi Gas-FiredWater Boiler — Boiler Manual Check for gas leaksGOLD CGi Gas-FiredWater Boiler — Boiler Manual 7a Start-up— preparation continuedFill the system with water Inspect system water pipingGOLD CGi Gas-FiredWater Boiler — Boiler Manual 7b Start-up— operate boilerStart the boiler Check system and boiler7c Start-up— if boiler doesn’t start 7b Start-up— operate boiler continuedGOLD CGi Gas-FiredWater Boiler — Boiler Manual Pilot burner flame FigureGOLD 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 diagramGOLD CGi Gas-FiredWater Boiler — Boiler Manual 9c Operating instructions CGi-25to CGi-6• Spark pilot • Natural or propane gas • Gas valve: Honeywell VR8204/VR8304GOLD CGi Gas-FiredWater Boiler — Boiler Manual 9c Operating instructions CGi-25to CGi-6• Spark pilot • Natural or propane gas • Gas valve: White-Rodgers36EGOLD CGi Gas-FiredWater Boiler — Boiler Manual 9c Operating instructions CGi-25to CGi-8• Spark pilot • Natural or propane gas • Gas valve: White-Rodgers36CVERIFY PROPER OPERATION AFTER SERVICING 10a Service and maintenance — scheduleGOLD CGi Gas-FiredWater Boiler — Boiler Manual Inspect 10b Service and maintenance — annual start-upReported problems GOLD CGi Gas-FiredWater Boiler — Boiler ManualService 10b Service & maintenance – annual start-up contStart-up Inspect10b Service & maintenance – annual start-up cont Check/testGOLD CGi Gas-FiredWater Boiler — Boiler Manual Gas piping10b Service & maintenance – annual start-up cont Cleaning boiler heating surfacesGOLD CGi Gas-FiredWater Boiler — Boiler Manual Review with owner11b Troubleshooting - components 11a Troubleshooting — procedureCheck pressure switch setting Troubleshooting air pressure readingControl indicator lights — 11b Troubleshooting — components continuedTroubleshooting the control module Control indicator lights — LOCKOUT modesFigure 38 Control module connections 11b Troubleshooting — components continuedGOLD CGi Gas-FiredWater Boiler — Boiler Manual Is POWER light off? 11c Troubleshooting — control module lightsIs POWER light Is POWER light flashing now?CHART 2 - TSTAT CIRC & POWER lights flashing 11c Troubleshooting — control module lights contDo the TSTAT and POWER lights still flash? GOLD CGi Gas-FiredWater Boiler — Boiler ManualCHART 3 — PRESS SWITCH & POWER lights flashing 11c Troubleshooting - control module lights contIs PRESS SWITCH light flashing? Does the ohmmeter indicate the switch is closed?Do FLAME and POWER lights still flash? 11c Troubleshooting — control module lights contAre FLAME & POWER lights flashing? Are FLAME and POWER lights flashing?Does the ohmmeter indicate the switch is closed? 11c Troubleshooting - control module lights contIs PRESS SWITCH light flashing? GOLD CGi Gas-FiredWater Boiler — Boiler ManualTURN OFF POWER 11c Troubleshooting — control module lights contTURN OFF POWER TURN OFF POWER to boilerAre limit switch contacts closed? 11c Troubleshooting — control module lights contDoes voltmeter show 120 VAC across pins? Are limit switch contactsGOLD 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 GOLD CGi Gas-FiredWater Boiler — Boiler Manual 12c Replacement parts — base continuedItem DescriptionGOLD CGi Gas-FiredWater Boiler — Boiler Manual 12d Replacement parts — jacketFigure 41 Jacket assembly GOLD CGi Gas-FiredWater Boiler — Boiler Manual 12d Replacement parts — jacket continuedFigure 42 Trim assembly 12e Replacement parts — trimFittings shown are factory-installedon boiler GOLD CGi Gas-FiredWater Boiler — Boiler ManualGOLD 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 RatingsGOLD CGi Gas-FiredWater Boiler — Boiler Manual Handling ceramic fiber and fiberglass materialsREMOVAL OF COMBUSTION CHAMBER LINING OR BASE PANELS