12e Replacement parts trim | Weil-McLain 550-110-260/0107 manual

GOLD CGs Gas-Fired Water Boiler — Boiler Manual

12e Replacement parts — trim

Figure 29 Trim assembly

Item	Description	Manufacturer	Manufacturer’s	Weil-McLain
number			part number	part number

1	Pressure relief valve, ASME, 30 PSIG, ¾" male inlet	Conbraco	10-407-10	511-546-920
		Watts	M330
	Pressure relief valve, ASME, 30 PSIG, ¾" female inlet	Conbraco	10-408-05	511-546-924
	(Fittings shown are factory-installed on boiler.)	Watts	335

2	Combination pressure-temperature gauge, 3¹⁄₈" diameter,	Weil-McLain		380-000-000
	short shank (Fittings shown are shipped loose with boiler.)

3	Drain valve, ¾"	Conbraco	31-606-01	511-210-423
	(Fittings shown are included with boiler.)	Hammond	710	511-246-392
		Valve
		Matco-Norca	205F04	511-246-392
		Watts	BD-2C	511-246-392

4	Circulator	Bell & Gossett	NRF-22-103253	511-405-118
	(Fittings shown are shipped loose with boiler.)	Grundfos	UP15-42FR-TB4	511-405-126
		Taco	007	511-405-113

5	Circulator gasket, universal (2 per boiler)	Weil-McLain		590-317-535

not	Circulator hardware kit, includes:	Weil-McLain
shown	1 flange, 2 nuts, 2 screws, 1 gasket —
	1" NPT — CGs-3 through CGs-5			381-300-494
	1¼" NPT — CGs-6			381-300-495

6	Circulator wiring harness kit, with Molex (loose)			381-354-528

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Part number 550-110-260/0107

Image 60

Weil-McLain 550-110-260/0107 manual 12e Replacement parts trim, Part number

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 When removing boiler from an existing common vent system 1c Prepare boiler location vent systemCGs special vent system Vent system 1d Prepare boiler location contamination Products to avoid 1e Prepare boiler location air openings Combustion air optionsSpecial considerations Sizing air openings Sizing air openings for CGs installations 2a Prepare boiler placement & setup Orifice replacement procedurePlace boiler/crate near position Inspect orifices and burners 2b Prepare boiler pressure test Hydrostatic pressure testDrain and remove fittings Prepare boiler for test 3a Water piping general information 3b Water piping single-zone system 3c Water piping multiple zones Piping multiple zones Piping for radiant heatingSystems or converted gravity Systems Return water 130F or higher Temperature gauges Valve adjustment Figures 8 and 9 only3d Piping low temp systems 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 Connecting gas supply piping to boiler Gas pipingNatural Gas Propane Gas Field wiring Electrical installation must comply withWiring connections Thermostat Freeze protection when used 7a Start-up preparationCheck for gas leaks Verify water chemistry 7b Start-up operate boiler Inspect system water piping Inspect base insulationFinal check before starting boiler Start the boiler 7c Start-up if boiler doesn’t start Check burner flamesCheck for 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 Burners, base and inlet air box Condensate drain systemInducer motor Oiled-bearing circulators 10b Service & maint. annual start-up Boiler relief valve Relief valve, typical Cleaning boiler heating surfaces Review with owner 11a Troubleshooting procedure Before troubleshootingCheck the following 11b Troubleshooting air pressure switch Air pressure switchCheck pressure switch setting Troubleshooting air pressure reading 11c Troubleshooting control module Control indicator lights Lockout modesControl indicator lights NON-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