Weil-McLain 550-110-260/0107 manual

GOLD CGs Gas-Fired Water Boiler — Boiler Manual

9c Operating instructions CGs-3 to CGs-6

• Spark pilot • Natural or propane gas

• Gas valve: White-Rodgers 36E

Part number 550-110-260/0107

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