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Weil-McLain 88 User Manual

Weil-McLain 88
40 pages
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Part No. 550-100-068/1009
for use with Gas, Light Oil, & Gas/Light Oil – Fired Burners
This manual must only be used by a qualified
heating installer/service technician. Read all
instructions before installing. Follow all in-
structions in proper order. Failure to comply
could result in severe personal injury, death
or substantial property damage.
When calling or writing about the boiler—
Please have the boiler model number from
the boiler rating label and the CP number
from the boiler jacket.
INSTALLER Consider piping and installation when determining
boiler location.
Any claims for damage or shortage in shipment must be
filed immediately against the transportation company
by the consignee.
USER . . . . This manual is for use only by your qualified heating
installer/service technician. Boiler and burner must be
installed by a qualified service technician. We recom-
mend regular service by a qualified service technician,
at least annually.
For additional
information, refer to . .
Burner
specification and
data sheets
for burners pre-tested
with model 88 boilers
s)NSTALLATION
s3TARTUP
s-AINTENANCE
s0ARTS
Boiler Manual
Water & steam boilers – Series 2
88

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Weil-McLain 88 Specifications

General IconGeneral
BrandWeil-McLain
Model88
CategoryBoiler
LanguageEnglish

Summary

Boiler Installation Preparation

Boiler Location and Clearances

Specifies minimum clearances to combustible materials and for servicing.

Foundation Requirements

Details when and how to lay a level concrete or brick foundation.

Boiler Installation: Air Requirements

Combustion and Ventilation Air Openings

Details requirements for combustion and ventilation air openings to interior spaces.

Inside Air Opening Sizes and Locations

Specifies minimum free areas and locations for interior air openings.

Outside Air Openings

Describes methods for providing combustion air from outdoors via openings.

Boiler Installation: Air Management

Combustion Air Combination Openings

Explains using a combination of indoor and outdoor openings for combustion air.

Engineered and Mechanical Air Supply

Covers engineered installations and mechanical air supply systems.

Louvers, Grilles, and Screens

Details specifications for louvers, grilles, and screens used for air openings.

Setting the Boiler in Place

Packaged Boiler Placement

Instructions for lifting and positioning a packaged boiler.

Block Assembly Placement

Instructions for positioning a block-assembled boiler.

Assembling the Boiler Block

Preparing and Positioning Back Section

Guides on applying sealing rope and positioning the back boiler section.

Installing Intermediate Sections

Procedures for joining intermediate boiler sections with draw rods.

Hydrostatic Pressure Testing

Preparing for Pressure Test

Steps for installing fittings and plugging tappings before pressure testing.

Performing the Pressure Test

Procedure for filling the boiler and conducting the pressure test.

Complete Block Assembly Steps

Installing Burner Mounting Plate

Steps to attach the burner mounting plate to the front section.

Installing Observation Ports

Procedure for installing observation port assemblies on front and back sections.

Inserting HXT-Bars

Instructions for inserting flue HXT-bars into the boiler sections.

Connecting Water Boiler Piping

General Water Piping Information

Provides general guidelines for system water supply and return piping.

Installing Water Piping

Details on connecting supply, return, and expansion tank piping for water boilers.

Connecting Steam Boiler Piping

General Steam Piping Information

Outlines requirements for steam boilers, including Hartford loop piping.

Steam Boiler Piping Guidelines

Specifies minimum header height and other steam piping considerations.

Installing the Boiler Jacket

Preparing for Jacket Installation

Lists parts that must be on or off the boiler before jacket installation.

Removing Jacket Parts from Cartons

Instructions for locating and removing jacket parts from their packaging.

Installing Support Brackets and Channels

Steps for attaching jacket support brackets and side/front/rear channels.

Installing Water Boiler Controls

Installing Boiler Controls

Procedures for installing furnished controls like relief valves and low water cut-offs.

Dual Limit Control Settings

Guidelines for setting high and low temperature limits for dual limit controls.

Installing Steam Boiler Controls

Installing Steam Controls

Instructions for installing steam pressure controls, high limit, and water level controls.

Relief Valve Installation

Specific requirements for vertical installation and discharge piping of relief valves.

Connecting Breeching and Venting Systems

General Venting Information

Overview of boiler operation with positive overfire pressure and draft types.

Constructing Metal Breeching

Guidelines for selecting material and constructing metal breeching according to codes.

Installing Burner, Wiring, and System

Burner Installation

Steps for mounting the burner, ensuring a gas-tight seal, and leveling.

Wiring and Control Connections

Guidance on wiring the burner and boiler controls according to electrical codes.

Water Treatment and Freeze Protection

Recommendations for water treatment and antifreeze for water boilers.

Installing Fuel Piping

Gas Piping Installation

Factors for sizing gas piping, including pressure and material requirements.

Fuel Oil Piping Installation

Guidelines for installing fuel oil piping, including anti-syphon devices and materials.

Making Final Adjustments

Burner and Damper Assembly Adjustment

Procedures for adjusting the burner for optimal combustion and flue draft.

Skimming Steam Boilers

Process for cleaning oil from newly installed steam boilers for proper operation.

Checking Gas-Tight Seal

Steps to ensure the boiler is sealed gas-tight to prevent flue gas leakage.

Handling Insulating Materials

Removing Ceramic Fiber Materials

Safety precautions for removing ceramic fiber front/cleanout plate materials.

Installing Fiberglass Wool

Safety precautions for handling fiberglass insulation in jacket and other components.

Boiler Ratings and Specifications

Boiler Output Ratings

Table detailing I=B=R gross output, efficiencies, and capacities for various models.

Boiler Dimensions and Tappings

Provides detailed dimensional data and tapping locations for each boiler model.

Boiler Parts List

Parts Identification and Numbers

List of all boiler parts with descriptions, item numbers, and part numbers.

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