Weil-McLain 550-110-260/0107 guide

GOLD CGs Gas-Fired Water Boiler — Boiler Manual

9c Operating instructions CGs-3 to CGs-6

• Spark pilot • Natural or propane gas

• Gas valve: Honeywell VR8204/VR8304

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Part number 550-110-260/0107

Image 34

Weil-McLain 550-110-260/0107 manual 9c Operating instructions CGs-3 to CGs-6

Contents

Gold CGs How it works Gold CGs Gas-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 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 avoid Special considerations 1e Prepare boiler location air openingsCombustion air options Sizing air openings Sizing air openings for CGs 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 3b Water piping single-zone system Systems or converted gravity 3c Water piping multiple zonesPiping multiple zones Piping for radiant heating Systems Return water 130F or higher 3d Piping low temp systems Temperature gaugesValve adjustment Figures 8 and 9 only Primary/secondary preferred bypass piping method Primary/secondary piping Valve adjustment BOILER-bypass piping method Figures 8 SYSTEM-bypass piping method 3e Water piping refrigeration systems Prevent chilled water from entering Venting and combustion air Natural Gas Connecting gas supply piping to boilerGas piping Propane Gas Wiring connections Field wiringElectrical installation must comply with Thermostat Check for gas leaks Freeze protection when used7a Start-up preparation Verify water chemistry Final check before starting boiler 7b Start-up operate boilerInspect system water piping Inspect base insulation Start the boiler Check for 7c Start-up if boiler doesn’t startCheck burner flames Pilot burner flame Figure Check-out procedure checklist Installation and service certificate 9a Operation sequence 9b Operation wiring diagrams Schematic wiring diagram Ladder wiring diagram 9c Operating instructions CGs-3 to CGs-6 9c Operating instructions CGs-3 to CGs-6 9c Operating instructions CGs-3 to CGi-6 10a Service and maintenance schedule Verify Proper Operation After Servicing 10b Service & maintenance annual start-up Inducer motor Burners, base and inlet air boxCondensate drain system Oiled-bearing circulators 10b Service & maint. annual start-up Boiler relief valve Relief valve, typical Cleaning boiler heating surfaces Review with owner Before troubleshooting 11a Troubleshooting procedureCheck the following 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 Item 8 , Does blower motor operate? Verify Sequence of operation, , 12a Replacement parts Section assembly Base Jacket Trim Controls 12b Replacement parts section assembly Section assembly 12c Replacement parts base Base assembly Description Weil-McLain Part number 12d Replacement parts jacket Jacket assembly Boiler Model Weil-McLain part number 12e Replacement parts trim Part number 12f Replacement parts controls Propane gas components 13a Dimensions Dimensional drawing 13b Ratings DOE Handling ceramic fiber and fiberglass materials Removal of Combustion Chamber Lining or Base Panels