9c Operating instructions CGs-4E | Weil-McLain CGS-4E manual

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

9c Operating instructions CGs-4E

• Spark pilot • Natural or propane gas

• Gas valve: Honeywell VR8204Q

Part number 550-110-282/1108

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Weil-McLain CGS-4E manual 9c Operating instructions CGs-4E

Contents

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