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Weil-McLain EG User Manual

Weil-McLain EG
40 pages
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For additional information, refer to . . .
Control Supplement and Gas
Control Parts
for Natural or Propane gas
(tankless heater application optional)
EG
PEG
EGH
• Installation
• Startup
• Maintenance
• Parts
Boiler Manual
Gas-Fired Boilers – Series 4
EG
PEG
EGH
This manual must only be used by a qualified heating installer/service technician.
Before installing, read all instructions, including this manual, the burner manual
and any related supplements. Perform steps in the order given. Failure to comply
could result in severe personal injury, death or substantial property damage.
Part No. 550-110-639/0512
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Weil-McLain EG Specifications

General IconGeneral
Fuel TypeNatural Gas or Propane
Vent TypeAtmospheric
Operating Pressure30 psi (water)
WeightVaries by model
DimensionsVaries by model

Summary

Prepare boiler location

Flooring and foundation

Specifies requirements for boiler placement, foundations, and stability.

Vent System

Details requirements for flue gas venting, air openings, and contamination avoidance.

Air openings

Requirements for providing adequate combustion and ventilation air for proper operation.

Prepare the boiler

Placing the boiler

Instructions for safely handling and placing the boiler assembly and its components.

Hydrostatic pressure test

Procedures for performing a hydrostatic pressure test on the boiler to check for leaks.

Component installation

Steps for installing flue collector, base panels, and burner assembly.

Connect piping

Water boilers

Guidelines for connecting piping to water boilers, including system types and relief valves.

Steam boilers

Guidelines for connecting piping to steam boilers, focusing on condensate return.

Tankless heater (optional)

Specific instructions for connecting optional tankless water heaters for hot water.

Connect gas supply piping

Piping considerations

Requirements for sizing, installing, and ensuring gas supply piping integrity.

Connect field wiring to boiler

Wiring connections

Instructions for connecting electrical wiring, controls, and room thermostat.

Start-up

Pre-start safety checks

Procedures for checking gas leaks, filling systems, freeze protection, and water treatment.

Operation verification

Procedures to verify proper burner flame, vent damper, and overall system operation.

Service and maintenance

Inspection and testing

Schedules and steps for routine inspections, testing of safety controls, and maintenance.

Cleaning and upkeep

Methods for cleaning heating surfaces, burners, insulation, and annual shutdown.

Replacement parts

EG/PEG

Lists of part numbers for EG/PEG boiler components, identified by item number.

EGH

Lists of part numbers for EGH boiler components, identified by item number.

Dimensional data

Ratings

Provides boiler capacities, dimensions, net AHRI ratings, and chimney sizes.

Standard and optional equipment

Equipment overview

Details standard equipment and lists optional features for EG/PEG and EGH boilers.

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