Manuals / Weil-McLain / Household Appliance / Boiler

Weil-McLain CGS-4E 9b Operation - wiring diagrams, Wiring diagram, Part number 550-110-282/1108

Models: CGS-4E

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GOLD CGs-4E Gas-Fired Water Boiler — Boiler Manual

9b Operation — wiring diagrams

Figure 19 Wiring diagram

Part number 550-110-282/1108

Page 34

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Weil-McLain CGS-4E manual 9b Operation - wiring diagrams, GOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual, Wiring diagram

Contents

GOLDCGs-4E Installation MaintenanceStartup Parts Boiler ManualAir pressure switch How it worksGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual Water temperature limit switchGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual GOLD CGs-4E Gas-Fired Induced-DraftWater BoilerPart number 550-110-282/1108 Check-outprocedure ContentsField wiring Service and maintenanceUser InstallerPlease read before proceeding When servicing boilerBefore locating the boiler, check the following 1a Prepare boiler location - codes & checklistInstallations must follow these codes GOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual1b Prepare boiler location - clearances Recommended SERVICE clearancesResidential garage installations FlooringGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 1c Prepare boiler location - vent systemCGs-4Especial vent system Vent system1d Prepare boiler location - contamination GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualSpecial considerations 1e Prepare boiler location - air openingsCombustion air requirements Sizing air openingsGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual Part number 550-110-282/1108Place boiler/crate near position 2a Prepare boiler - placement & setupOrifice replacement procedure Inspect orifices and burnersDrain and remove fittings 2b Prepare boiler - pressure testHydrostatic pressure test GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualGeneral piping information Pressure/temperature gauge3a Water piping - general information CirculatorClosed-typeexpansion tank 3b Water piping - single-zonesystemDiaphragm-typeor bladder type expansion tank FigureGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 3c Water piping - multiple zonesPiping multiple zones Converted gravity or steam systems3c Water piping - multiple zones continued GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualTemperature gauges 3d Piping - low temp systemsPrimary/secondary preferred bypass piping method Valve adjustment Figures 8 and 9 only3d Piping - low temp systems continued GOLD CGs-4E Gas-FiredWater Boiler — Boiler ManualValve adjustment BOILER-bypasspiping methodTemperature gauges 3d Piping - low temp systems continued2Flow/check valve 3d Piping - low temp systems continuedGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 9Relief valve3d Piping - low temp systems continued SYSTEM-bypasspiping methodValve adjustment GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 3e Water piping - refrigeration systems3d Piping - low temp systems continued Prevent chilled water from enteringGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 4 Venting and combustion airvent system GOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual Connecting gas supply piping to boiler5 Gas piping Natural GasWiring connections 6 Field wiringElectrical installation must comply with ThermostatDetermine if water treatment is needed Freeze protection when used7a Start-up- preparation Check for gas leaksInspect system water piping 7a Start-up- preparation continued7b Start-up- operate boiler Inspect base insulationPROPER pilot flame characteristics 7b Start-up- operate boiler continuedCheck burner flames IMPROPER pilot flame characteristicsCheck for 7c Start-up- if boiler doesn’t startGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual Installation and service certificate 8 Check-outprocedure - checklistGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 9a Operation - sequence GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual Operation - sequencePart number 550-110-282/1108 GOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 9b Operation - wiring diagramsFigure 19 Wiring diagram Part number 550-110-282/1108Spark pilot Natural or propane gas 9c Operating instructions CGs-4EGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual Gas valve Honeywell VR8204QCommonwealth of Massachusetts Addendum Instruction for theGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual Service technician 10a Service and maintenance - scheduleVERIFY PROPER OPERATION AFTER SERVICING Owner maintenanceReported problems 10b Service & maintenance - annual start-upInspect GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualInspect ServiceStart-up GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 10b Service & maint. - annual start-up continuedCheck/test Gas pipingGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual Boiler relief valveReview with owner 10b Service & maint. - annual start-upCleaning boiler heating surfaces GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualCheck the following 11a Troubleshooting - procedureBefore troubleshooting GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualReturn to normal operation 11b Troubleshooting - air pressure switchAir pressure switch Check pressure switch settingControl indicator lights - LOCKOUT modes 11c Troubleshooting - control moduleControl module Control indicator lights - NON-LOCKOUTmodesFigure 25 Control module connections 11c Troubleshooting - control module continuedGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual Part number 550-110-282/1108Is POWER light off? 11d Troubleshooting - control module lightsCHART 1 - Troubleshooting POWER light status Is POWER light flashing now?Do the TSTAT and POWER lights still flash? 11d Troubleshooting - control module lightsCHART 2 - TSTAT CIRC & POWER lights flashing GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualIs PRESS SWITCH light flashing? 11d Troubleshooting - control module lights contCHART 3 - PRESS SWITCH & POWER lights flashing Does the ohmmeter indicate the switch is closed?Are FLAME & POWER lights flashing? 11d Troubleshooting - control module lights contDo FLAME and POWER lights still flash? Are FLAME and POWER lights flashing?GOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 11d Troubleshooting - control module lights contDoes the ohmmeter indicate the switch is closed? Does blower motor operate?TURN OFF POWER 11d Troubleshooting - control module lights contTURN OFF POWER GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualAre limit switch contacts closed? 11d Troubleshooting - control module lights contDoes voltmeter show 120 VAC across pins? continuity - is switchBase 12a Replacement partsSection assembly Jacket1 2 3 not shown not shown 12b Replacement parts - section assemblyGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 5Nut, M\zn” 2 per tie rodGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 12c Replacement parts - baseFigure 27 Base assembly Part number 550-110-282/1108Description 12c Replacement parts - base continuedGOLD CGs-4E Gas-FiredWater Boiler — Boiler Manual Weil-McLainGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 12d Replacement parts - jacketFigure 28 Jacket assembly Part number 550-110-282/110812d Replacement parts - jacket continued GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 12e Replacement parts - trimFittings shown are factory-installedon boiler Fittings shown are included with boilerFigure 30 Gas control assembly 12f Replacement parts - controlsGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual 13a Dimensions GOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual13b Ratings GOLD CGs-4E Gas-FiredWater Boiler - Boiler ManualREMOVAL OF COMBUSTION CHAMBER Handling ceramic fiber and fiberglass materialsGOLD CGs-4E Gas-FiredWater Boiler - Boiler Manual LINING OR BASE PANELS