Weil-McLain 550-110-260/02002 manual Chart 4 Flame & Power lights flashing

Page 48

GOLD CGs Gas-Fired Water Boiler

11d Troubleshooting — control module lights

CHART 4 — FLAME & POWER lights flashing

— Usually indicates flame sensed when it shouldn't be there —

Electrical shock hazard — Wherever you see ▲TURN OFF POWER▲, follow the instructions. Failure to follow instructions could result in severe personal injury, death or substantial property damage.

Are manual main shutoff valve and gas valve open?

No

Yes

•Leave main manual gas valve closed.

•Turn off power to boiler at service switch or breaker.

•Wait at least 45 seconds.

•Turn on power to boiler.

•Restart boiler, following Lighting instructions in this manual (Figure 21, page 34).

Do FLAME and POWER lights still flash?

No

 

Yes

 

 

 

 

• Replace control module.

• Retest.

•Turn off power to the boiler at service switch or breaker.

•Wait at least 45 seconds.

•Turn on power to boiler.

•Restart boiler, following Lighting instructions in this manual (Figure 21, page 34).

•Look through the pilot inspection port (in front of air inlet box) to see if the pilot is burning during the prepurge period (first 30 seconds of operation).

Is pilot burning during prepurge period?

No

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Allow boiler to continue cycling.

Are FLAME & POWER lights flashing?

No

 

Yes

 

 

 

 

 

 

 

 

 

 

•Replace gas valve.

•Retest boiler.

Are FLAME and POWER lights flashing?

No

 

Yes

 

 

 

 

 

 

 

 

 

 

•▲TURN OFF POWER▲ to boiler at service switch or breaker.

•Open main manual gas valve.

•Turn on power to boiler at service switch or breaker.

•Restart boiler per lighting instructions.

•Perform start-up procedures in boiler manual to verify proper operation.

•Boiler may now be operating normally.

•Perform start-up procedures in boiler manual to verify proper operation.

•Replace control module.

•Retest.

•Boiler should now operate normally.

•Original flashing FLAME light caused by gas valve not operating properly.

•See normal sequence of operation, Figure 18, page 31.

•Replace control module.

•Retest.

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Part number 550-110-260/0200

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Contents Page How it works ① Control modulePage Contents Installer Please read before proceedingUser 1a Prepare boiler location codes & checklist Residential garage installation 1b Prepare boiler location clearancesFlooring and foundation 1c Prepare boiler location vent system Removing from existing vent1d Prepare boiler location contamination Air contamination1e Prepare boiler location air openings CGs combustion air optionsSizing air openings for CGs installations 2a Prepare boiler placement & setup Orifice replacement procedurePlace boiler/crate near position Inspect orifices and burners2b Prepare boiler pressure test Perform hydrostatic pressure testPrepare boiler for test Fill and pressure test3a Water piping general information 3b Water piping single-zone system Expansion tankDiaphragm-type or bladder-type expansion tank Figure Closed-type expansion tank Figure3c Water piping multiple zones Converted gravity or steam systemsTypical piping multiple-zone installations Temperature gauges Valve adjustment 3d Water piping low temp systemsPrimary/secondary preferred bypass piping For radiant heating or converted gravity systems3e Water piping low temp systems Boiler-bypass alternate piping 3f Water piping low temp systems 3f system-bypass alternate piping 3g Water piping refrigeration systemPrevent chilled water from entering boiler Connecting gas supply piping to boiler Venting and combustion airGas piping Natural Gas LengthField wiring Wiring connectionsThermostat Junction Box furnishedFreeze protection when used 7a Start-up preparationDetermine if water treatment is needed Check for gas leaks7a Start-up preparation 7b Start-up operate boiler7c Start-up if boiler doesn’t start Check burner flamesCheck for Check-out procedure checklist Installation and service certificate9a Operation sequence Raise room thermostat to call for heat9b Operation wiring diagrams Schematic wiring diagramService For Your Safety Read Before Operating 9c Operation lighting instructions10a Service and maintenance schedule Service technician10b Service & maintenance annual start-up Burners, base and inlet air box Boiler heating surfacesCondensate drain system Inducer motor10b Service & maint. annual start-up Boiler relief valve Lever must be operated AT LeastReview with owner 11a Troubleshooting procedure Before troubleshooting11b Troubleshooting air pressure switch Check pressure switch setting11c Troubleshooting control module Control indicator lights lockout modesControl module connections 11d Troubleshooting control module lights Chart 1 Troubleshooting Power light statusChart 2 Tstat Circ & Power lights flashing Chart 3 Press Switch & Power lights flashing Chart 4 Flame & Power lights flashing Turn OFF Power to boiler at service switch or breaker Does blower motor operate? Verify Sequence of operation, , 12a Replacement parts Page Page Page Page Page 13a Dimensions Dimensional drawing13b Ratings DOEHandling ceramic fiber and fiberglass materials Removal of Combustion Chamber Lining or Base Panels

550-110-260/02002 specifications

Weil-McLain is a well-known manufacturer of high-quality heating systems and boiler solutions, and the 550-110-260/02002 model is a testament to the company's commitment to innovation and performance. This particular boiler is designed for commercial and residential applications, providing exceptional heating efficiency and reliability.

One of the standout features of the Weil-McLain 550-110-260/02002 is its robust construction. Built using durable materials, this boiler is engineered to withstand demanding environments while maintaining optimal performance. The unit boasts a high thermal efficiency rating, which translates to lower energy costs and reduced environmental impact. The advanced design ensures that fuel consumption is minimized while delivering consistent heat output.

The Weil-McLain 550-110-260/02002 utilizes a multi-stage burner that enhances combustion efficiency. This feature not only reduces emissions but also improves overall energy use, making it an environmentally friendly choice. The sophisticated control system allows for precise modulation of the burner, ensuring that the boiler operates at peak efficiency under various load conditions.

The boiler is equipped with a user-friendly digital control interface, providing operators with real-time monitoring and diagnostics. This allows for easy adjustments and troubleshooting, which helps to reduce maintenance downtime. The integrated safety features enhance the operational reliability of the unit, ensuring safe operation in any environment.

Another important characteristic of the Weil-McLain 550-110-260/02002 is its adaptability. It can be configured to work with various types of fuel including natural gas and propane, giving users the flexibility to choose the most cost-effective energy source. This versatility also helps to extend the lifespan of the boiler as it can be easily adapted to changing energy needs.

In conclusion, the Weil-McLain 550-110-260/02002 is a high-performance boiler that combines durability, efficiency, and advanced technology. With its robust construction, efficient burner system, and user-friendly controls, it stands out as a reliable heating solution for both commercial and residential applications. The commitment to quality and innovation makes this model a preferred choice for those seeking dependable heating systems. Whether for new installations or replacements, the Weil-McLain 550-110-260/02002 delivers exceptional performance and value.
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