12a Replacement parts | Weil-McLain CGS-4E guide

GOLD CGs-4E Gas-Fired Water Boiler — Boiler Manual
12a Replacement parts
Section assembly	55
Base	56
Jacket	58
Trim	60
Controls	61

Replacement parts must be purchased through a local Weil-McLain

distributor. When ordering, specify boiler model and size and include description and part number of replacement part. Results from using modified or other manufactured parts will not be covered by warranty and may damage boiler or impair operation.

Weil-McLain part numbers are found in Weil-McLain Boilers and

Controls Repair Parts Lists.

The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials per instructions on page 64 of this manual. Failure to comply could result in severe personal injury.

54

Part number 550-110-282/1108

Image 54

Weil-McLain CGS-4E manual 12a Replacement parts, Section assembly Base Jacket Trim Controls

Contents

GOLDCGs-4E How it works Gold CGs-4EGas-Fired Induced-Draft Water Boiler Contents Installer Please read before proceedingUser 1a Prepare boiler location codes & checklist Installations must follow these codesBefore 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 1d Prepare boiler location contamination Products to avoidAreas 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 3e Water piping refrigeration systems Prevent chilled water from enteringBoiler Venting and combustion air Vent systemCombustion 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 Check burner flames Pilot burner flame FigureMain 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 9a Operation sequence Sequence returns to stepBoiler 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, , 12a Replacement parts Section assembly Base Jacket Trim ControlsWeil-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 Handling ceramic fiber and fiberglass materials This type of respirator is based onEye Irrigate immediately Breathing Fresh air