Weil-McLain 550-110-260/02002 1c Prepare boiler location vent system, Removing from existing vent

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GOLD CGs Gas-Fired Water Boiler

1c Prepare boiler location — vent system

Removing from existing vent

Do not install the CGs into a common vent with any other appliance. This will cause flue gas spillage or appliance malfunction, resulting in possible severe personal injury, death or substantial property damage.

Failure to follow all instructions can result in flue gas spillage and carbon monoxide emissions, causing severe personal injury or death.

When removing boiler from existing common vent system:

At the time of removal of an existing boiler, the following steps shall be followed with each appliance remaining connected to the common venting system placed in operation, while the other appliances remaining connected to the common venting system are not in operation.

a.Seal any unused openings in the common venting system.

b.Visually inspect the venting system for proper size and horizontal pitch and determine there is no blockage or restriction, leakage, corrosion or other deficiencies which could cause an unsafe condition.

c.Test vent system — Insofar as is practical, close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building. Turn on clothes dryers and any appliance not connected to the common venting system. Turn on any exhaust fans, such as range hoods and bathroom exhausts, so they will operate at maximum speed. Do not operate a summer exhaust fan. Close fireplace dampers.

d.Place in operation the appliance being inspected. Follow the lighting instructions. Adjust thermostat so appliance will operate continuously.

e.Test for spillage at draft hood relief opening after 5 minutes of main burner operation. Use the flame of a match or candle, or smoke from a cigarette, cigar, or pipe.

f.After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above, return doors, windows, exhaust fans, fireplace dampers, and any other gas-burning

appliance to their previous conditions of use.

Any improper operation of common venting system should be corrected so the installation conforms with the National Fuel Gas Code, ANSI Z223.1 — latest edition. Correct by resizing to approach the minimum size as determined using the appropriate tables in Part 11 of that code. Canadian installations must comply with B149.1 or B149.2 Installation Code.

CGs special vent system

Vent system

The CGs boiler requires a special vent system, designed for pressurized venting. Model CGs-3 is rated ANSI Z21.13 Category IV (pressurized vent, likely to condense in the vent). Models CGs-4, -5 and -6 are rated Z21.13 Category III (pressurized vent).

You may use any of the vent systems covered by the CGs Venting Supplements included in the envelope assembly. The CGs vent starter is a special item, designed only for the CGs boiler, available from each vendor. Do not attempt to connect the vent to the CGs boiler with any other means.

DO NOT mix components from different systems. The vent system could fail, causing leakage of flue products into the living space.

Vent termination and combustion air supply

The CGs boiler may be vented through the roof or through a side wall. Follow the appropriate vent supplement for the vent system chosen. The maximum vent length depends on boiler size. Refer to the vent supplement to determine acceptable vent length.

Combustion air for the CGs boiler may be from inside or ducted directly to the boiler from outside. For outside air (direct vent installation), two options are available for the flue/air termination. The air supply must ALWAYS terminate at the same location as the flue, using either:

1.Vertical direct vent installation. Obtain the Weil- McLain Through-Roof or Through-Unused Chimney termination kit and supplement. Refer to Vertical DirectVenting Venting Supplement, packed with the kit, and to the vent manufacturer’s instructions for the vent material chosen.

2.Sidewall direct vent installation. Use the Vent/Air Intake termination kit shipped with the boiler. Refer to CGs Direct Venting: Sidewall & Direct Exhaust Venting: Vertical or Sidewall Venting Supplement shipped with the boiler.

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Part number 550-110-260/0200

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Contents Page How it works ① Control modulePage Contents User InstallerPlease read before proceeding 1a Prepare boiler location codes & checklist Flooring and foundation Residential garage installation1b Prepare boiler location clearances 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 Prevent chilled water from entering boiler 3f system-bypass alternate piping3g Water piping refrigeration system Gas piping Connecting gas supply piping to boilerVenting and combustion air 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 boilerCheck for 7c Start-up if boiler doesn’t startCheck burner flames 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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