Weil-McLain 88 manual Complete block assembly, Install burner mounting plate on front section

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Weil-McLain 88 Water and steam boilers — Series 2 — for Gas, Light Oil, & Gas/Light Oil-Fired Burners

Complete block assembly

Install burner mounting plate on front section

b.Position 3/8" sealing rope in groove.

c.Secure assembly to section. Use 10-32 x ¾" truss-head screws.

1.Install four ½" x 3½" studs to secure burner mounting plate to section:

a.Thread and lock together two nuts on rounded end of stud. Thread flat end of stud into one of four holes located around opening.

b.Remove nuts.

c.Repeat steps a and b for remaining studs.

2.Repeat above steps for back observation port as- sembly.

Insert HXT-bars

1. See Figure 12, page 12.

2.Install burner mounting plate:

a.Apply 1/8" continuous bead of sealing rope adhesive in groove around opening in section.

b.Position ½" sealing rope in groove. Overlap ends at least one inch.

c.Install burner mounting plate with part number and the word, "UP," positioned at top. Use ½" washers and nuts.

Install observation port assemblies on front and back sections

1.Install front observation port assembly:

a.Apply 1/8" continuous bead of sealing rope adhesive in groove on observation port.

2.Flue HXT-bars are identified by painted ends. They must be inserted as shown, with the HXT-bars in the sequence:

•Top position

•red-tipped, HXT-bar 24 inches long — place on the top row of pins.

•Middle position

•white-tipped HXT-bar, 26 inches long — place on the first row of pins below the top clean-out plate boss.

•Bottom position

•blue-tipped HXT-bar, 34 inches long — place on the first row of pins below the bottom cleanout plate boss.

Figure 12 Insert HXT-bars through cleanout openings as shown below (omit the bottom, blue-tipped, HXT-bar in the opening between the front section and the first intermediate section)

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Part No. 550-100-068/0308

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Contents Boiler Manual Read before proceeding Hazard DefinitionsRead before proceeding Contents Before installing boiler Installation must comply withBefore selecting boiler location Provide clearance around boilerRequired volume of interior spaces Combustion and ventilation air openingsCombustion air openings to inside Combustion air openings to outsideEngineered Installations Combustion air combination indoor and outdoor openingsLouvers, Grilles, and Screens Mechanical Combustion Air SupplyFor block assembly Set boiler in placeFor packaged boiler Assembling the block Prepare and position back sectionInstall intermediate sections If using tankless heater TI sectionsBoiler model Section arrangementNumber Perform hydrostatic pressure test Prepare boiler and testSteam boiler Between 45 and 55 psig Complete block assembly Install burner mounting plate on front sectionInsert HXT-bars Install cleanout plates Install draft hood collarInstall piping Connect water boiler pipingGeneral water piping information Piping multiple boilers By-pass circulator sizingConnect steam boiler piping General steam piping informationSteam boiler piping guidelines Drawing legend & notesMinimum height of header above water line must be 24 inches Hartford loop piping for all steam boilersModel 1288 through 1888 steam 3 or 4 risers required Multiple Steam Boiler Piping Gravity Condensate Return Install jacket Before installing jacketInstall support brackets/channels Remove jacket parts from cartonsInstall jacket Install jacket front and back panels Install jacket side panelsInstall jacket top panels Install jacket trimJacket side panel placement Jacket top panel placement Pipe tankless heaters To pipe tankless heatersHot water can scald Install water boiler controls Install controlsInstall steam boiler controls Steam control locationsSteam control siphon and fittings Connect breeching and venting systems General venting informationSelect type of venting system Construct metal breechingStub vent forced draft single boiler Install burner & wiring and fill system Install fuel piping Fuel oil pipingGas piping Make final adjustments Adjust burner and damper assemblyFlue gas temperature no lower than 330F Skim steam boilersRemoval of Front Plate or Cleanout Plate Materials Handling ceramic fiber and fiberglass materialsRatings =B=RDimensions Dimensions inches ModelModel Supply & return tappings Burner lengths Dimension F 1788 1888Dimensions see lettered dimensions on opposite Parts Description Part numberParts Warranty Weil-McLain Limited Warranties

88 specifications

The Weil-McLain 88 series is a commercial cast iron boiler recognized for its durability, efficiency, and versatile design, making it a preferred choice for various heating applications. Designed primarily for commercial and industrial use, the Weil-McLain 88 combines advanced technology with proven engineering principles to deliver reliable performance and long-lasting service.

One of the standout features of the Weil-McLain 88 is its cast iron construction. Cast iron is renowned for its ability to retain heat, resulting in lower fuel consumption and more consistent heating. This robust material ensures that the boiler can withstand high temperatures and pressures, making it suitable for heavy-duty applications. The sectional design of the boiler allows for easy installation and maintenance, enabling quick access to components and minimizing downtime.

In terms of efficiency, the Weil-McLain 88 is designed to achieve high thermal efficiency ratings. The boiler employs a flue gas recirculation system, which significantly reduces heat loss and maximizes energy utilization. Additionally, its low water content provides rapid heating response times, ensuring that spaces are heated promptly, even during peak demand periods.

Another noteworthy characteristic of the Weil-McLain 88 is its versatility. The boiler can be configured for a variety of applications, including hot water heating, hydronic heating systems, and steam heating. It is compatible with multiple fuel types, including natural gas, propane, and various oil options, allowing for flexibility in fuel choice based on availability and pricing.

The Weil-McLain 88 also incorporates advanced control technologies that enhance operational efficiency. The integrated electronic controls feature diagnostic capabilities to streamline troubleshooting and maintenance, ensuring optimal performance throughout the boiler’s lifespan. Moreover, the boiler's design is compatible with modern building management systems, allowing for seamless integration into existing heating setups.

Overall, the Weil-McLain 88 series stands out for its combination of quality construction, efficient operation, and adaptability to different heating needs. Whether for a commercial building, industrial facility, or institutional application, the Weil-McLain 88 provides a reliable and efficient heating solution that meets the demands of the modern world.
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