9b Operation wiring diagrams, Wiring diagram | Weil-McLain CGS-4E

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

9b Operation — wiring diagrams

Figure 19 Wiring diagram

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Part number 550-110-282/1108

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Weil-McLain CGS-4E manual 9b Operation wiring diagrams, Wiring diagram

Contents

GOLDCGs-4E How it works Gold CGs-4EGas-Fired Induced-Draft Water Boiler Contents Please read before proceeding InstallerUser Installations must follow these codes 1a Prepare boiler location codes & checklistBefore locating the boiler, check the following 1b Prepare boiler location clearances CGs-4E special vent system When removing boiler from an existing common vent system1c Prepare boiler location vent system Vent system Products to avoid 1d Prepare boiler location contaminationAreas likely to have contaminants Special considerations 1e Prepare boiler location air openingsCombustion air requirements Sizing air openings Sizing air openings for CGs-4E installations Place boiler/crate near position 2a Prepare boiler placement & setupOrifice replacement procedure Inspect orifices and burners Drain and remove fittings 2b Prepare boiler pressure testHydrostatic pressure test Prepare boiler for test 3a Water piping general information Install an automatic air vent in air vent tapping as shown 3b Water piping single-zone system 3c Water piping multiple zones Piping multiple zones Relief valve Boiler isolation balancing valves Flow/check valveSystem or zone circulator Zone valve Drain valve Fill valve 3d Piping low temp systems Temperature gaugesValve adjustment Figures 8 and 9 only Primary/secondary preferred bypass piping method Blend temperature gauge Boiler isolation balancing valves Valve adjustment BOILER-bypass piping method Figures 8 SYSTEM-bypass piping method Prevent chilled water from entering 3e Water piping refrigeration systemsBoiler Vent system Venting and combustion airCombustion air openings Combustion air quality Natural Gas Connecting gas supply piping to boilerGas piping Propane Gas Wiring connections Field wiringElectrical installation must comply with Thermostat Determine if water treatment is needed Freeze protection when used7a Start-up preparation Check for gas leaks Final check before starting boiler 7b Start-up operate boilerInspect system water piping Inspect base insulation Start the boiler Pilot burner flame Figure Check burner flamesMain burner flame Figure Check for If none of the above corrects the problem, refer to7c Start-up if boiler doesn’t start Gas not turned on at meter or boiler? Check-out procedure checklist Installation and service certificate Sequence returns to step 9a Operation sequenceBoiler is now in the off cycle Operation sequence 9b Operation wiring diagrams Wiring diagram 9c Operating instructions CGs-4E Exemptions The following equipment is exempt from Addendum Instruction for Commonwealth of MassachusettsCMR 5.082a 1 through CMR 5.082a1 through 10a Service and maintenance schedule 10b Service & maintenance annual start-up Condensate drain system With boiler power off, place a few drops of S.A.EBurners, base and inlet air box Inducer motor 10b Service & maint. annual start-up Boiler relief valve Relief valve, typical Shut down boiler Clean between sections with wire flue brushReview with owner Place newspapers in base of boiler to collect soot Check the following 11a Troubleshooting procedureBefore troubleshooting Can result Check pressure switch setting 11b Troubleshooting air pressure switchAir pressure switch Troubleshooting air pressure reading Control indicator lights NON-LOCKOUT modes 11c Troubleshooting control moduleControl indicator lights Lockout modes Troubleshooting the control module Control module connections 11d Troubleshooting control module lights Chart 1 Troubleshooting Power light status Chart 2 Tstat Circ & Power lights flashing Chart 3 Press Switch & Power lights flashing Chart 4 Flame & Power lights flashing Does blower motor operate? Item 8 , Verify Sequence of operation, , Section assembly Base Jacket Trim Controls 12a Replacement partsWeil-McLain part numbers are found in Weil-McLain Boilers 12b Replacement parts section assembly Weil-McLain part number 12c Replacement parts base Base assembly Description Weil-McLain Part number 12d Replacement parts jacket Jacket assembly Boiler 12e Replacement parts trim Fittings shown are factory-installed on boiler 12f Replacement parts controls Propane gas components 13a Dimensions Dimensional drawing 13b Ratings Tested for 50 psi working pressure This type of respirator is based on Handling ceramic fiber and fiberglass materialsEye Irrigate immediately Breathing Fresh air