Ladder wiring diagram | Weil-McLain 550-110-260/0107 specs

GOLD CGs Gas-Fired Water Boiler — Boiler Manual

Figure 20 Ladder wiring diagram

Part number 550-110-260/0107

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Image 33

Weil-McLain 550-110-260/0107 manual Ladder wiring diagram

Contents

Gold CGs How it works Gold CGs Gas-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 1c Prepare boiler location vent system When removing boiler from an existing common vent systemCGs special vent system Vent system Products to avoid 1d Prepare boiler location contamination Combustion air options 1e Prepare boiler location air openingsSpecial considerations Sizing air openings Sizing air openings for CGs installations Orifice replacement procedure 2a Prepare boiler placement & setupPlace boiler/crate near position Inspect orifices and burners Hydrostatic pressure test 2b Prepare boiler pressure testDrain and remove fittings Prepare boiler for test 3a Water piping general information 3b Water piping single-zone system Piping multiple zones Piping for radiant heating 3c Water piping multiple zonesSystems or converted gravity Systems Return water 130F or higher Valve adjustment Figures 8 and 9 only Temperature gauges3d Piping low temp systems Primary/secondary preferred bypass piping method 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 Gas piping Connecting gas supply piping to boilerNatural Gas Propane Gas Electrical installation must comply with Field wiringWiring connections Thermostat 7a Start-up preparation Freeze protection when usedCheck for gas leaks Verify water chemistry Inspect system water piping Inspect base insulation 7b Start-up operate boilerFinal check before starting boiler Start the boiler Check burner flames 7c Start-up if boiler doesn’t startCheck for Pilot burner flame Figure 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 Condensate drain system Burners, base and inlet air boxInducer motor Oiled-bearing circulators 10b Service & maint. annual start-up Relief valve, typical Boiler relief valve Review with owner Cleaning boiler heating surfaces 11a Troubleshooting procedure Before troubleshootingCheck the following Air pressure switch 11b Troubleshooting air pressure switchCheck pressure switch setting Troubleshooting air pressure reading Control indicator lights Lockout modes 11c Troubleshooting control moduleControl indicator lights NON-LOCKOUT modes Troubleshooting the control module 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