Weil-McLain 550-141-826/1201 manual Dimension a

Page 27

Appendix

CONTINUED

Combustible Surface

A

6" 6"

Protection

Type “L” Doublewall

Vent Piping

Flue Pipe Clearances

FIGURE 19

PROTECTION REQUIRED FOR CLEARANCES LESS THAN 6 INCHES FROM DOUBLEWALL VENT PIPE*

DIMENSION A
When desired minimum
clearance from type “L”
doublewall vent pipe to	Use the following
combustible surface is:	protection**:

	½" thick insulation board ***
3"	over one-inch glass fiber or
	mineral wool batts+

	24 gauge sheet metal with
2"	one-inch ventilated air space

	½" thick insulation board ***
3"	with one-inch ventilated air space

*All clearances measured from outer surface of equipment to combustible surface, not to the protection used.

**Apply to combustible surface unless otherwise noted. Cover all surfaces as specified in Table and FIGURE 19. Thicknesses are minimum.

***Factory-fabricated board made of non-combustible materials, normally fibers, having thermal conductivity in range of one (Btu-inch)/(hr./sq. ft./°F) or less.

+Mineral wool batts (blanket or board), having min. density of 8 lb/ft3 and a min. melting point of 1500°F.

OTHER DIMENSIONS AVAILABLE. REFER TO NFPA-31.

A

A

24" For Servicing

or Min. 2" for Close

Clearances

A

Combustible

24" For Servicing

Surface

or Min. 2" for Close

A

Clearances

Combustible

Surface

2"

Combustible

Surface

Combustible

2"

Surface

2"

NOTE: 2" Min. on Sides

NOTE: 2" Min. on Sides

Back Vent Clearances

Top Vent Clearances

FIGURE 20

FIGURE 21

27

Image 27

Contents This Manual Includes Installation Start-Up Boiler Parts Hazard Definitions Symbol DefinitionsWhen Calling or Writing About the Boiler Read This Page FirstTable of Contents Provide clearances around boiler see Figure Before Installing BoilerInstallations must comply with Before selecting boiler locationProvide air for combustion and ventilation Lay a foundation, if neededBoiler Foundation Size Table Go to page 12 to connect breeching and venting Install Packaged BoilerPlace boiler Perform hydrostatic pressure testChange From Back Flue Outlet to Top Flue Outlet Optional Fiberglass wool and ceramic fiber materials Install Non-Packaged BoilerFlue Collector Hood Control Tapping Table Install Packaged and Non-Packaged BoilerInstall jacket sizes 7 through 9 only Install boiler controlsInstall burner also refer to instructions packed with burner Connect Breeching General chimney requirementsMinimum Chimney Size Table Connect Breeching Diaphragm expansion tank Figure Install pipingConnect Water Piping General piping informationIsolation Zoning with circulators Piping Multiple ZonesPiping for systems requiring temperatures below 140F Use with refrigeration systems Burner wiring Connect WiringGeneral wiring requirements Thermostat wiringConnect Wiring Connect Wiring Connect Oil Piping General oil piping requirementsOil piping connection at burner To place in operation Start-UpFill the system Tips for water systemsCheck off steps as completed Check-Out ProcedureAppendix Burner adjustments for P and a boilersClose clearance installation Dimension a Description Parts ListParts Drawing Dimensions DimensionsIntermediate DIA WGO Gold OIL Water Boiler Ratings Ratings

550-141-826/1201 specifications

The Weil-McLain 550-141-826/1201 is a high-efficiency boiler designed for commercial applications, providing unmatched performance, reliability, and advanced technology features. This model is specifically engineered to cater to a range of heating needs, making it suitable for various settings, such as schools, hospitals, and large commercial spaces.

One of the key features of the Weil-McLain 550-141-826/1201 is its impressive thermal efficiency. With a high AFUE (Annual Fuel Utilization Efficiency) rating, this boiler maximizes energy usage, resulting in lower utility costs for end-users. The efficient performance not only translates to better energy savings but also contributes to a reduced carbon footprint, aligning with modern sustainability goals.

The powerful burner technology incorporated in the Weil-McLain 550-141-826/1201 ensures precise control over the combustion process. This results in consistent heating performance and minimizes emissions, meeting stringent environmental regulations. The unit utilizes advanced modulation technology, which allows the burner to adjust its output according to the demand, providing significant energy savings and enhanced comfort.

Another standout characteristic of this boiler is its robust construction. Built with high-quality materials, the Weil-McLain 550-141-826/1201 is designed to endure demanding conditions, ensuring longevity and reduced maintenance needs. The boiler features a durable heat exchanger, which optimizes thermal transfer efficiency while resisting corrosion and thermal stress.

The user-friendly controls and monitoring systems enhance the operational experience, allowing for easy adjustments and status checks. The integrated diagnostic capabilities provide valuable insights for troubleshooting, making maintenance straightforward and reducing downtime.

Furthermore, the versatility of the Weil-McLain 550-141-826/1201 allows for multiple installation configurations, accommodating different system requirements and space limitations. Its compact design makes it an ideal choice for facilities where space is a premium.

In summary, the Weil-McLain 550-141-826/1201 stands out in the commercial boiler market with its high efficiency, innovative burner technology, robust construction, user-friendly controls, and versatile installation options. This model exemplifies Weil-McLain's commitment to energy-efficient heating solutions, setting a benchmark for performance and reliability in the industry.