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Lennox MPGA 100 B4 - User Manual

Lennox MPGA 100 B4
37 pages
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APPLICATION
GUIDE
GAS FURNACE
Fit’s All 80
English/02-2004
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Lennox MPGA 100 B4 Specifications

General IconGeneral
ModelMPGA 100 B4
TypeGas Furnace
Heating Capacity100, 000 BTU/h
Efficiency Rating80% AFUE
Blower TypeMulti-Speed
Fuel TypeNatural Gas
Vent TypeConventional
Blower Motor TypePSC
StagesSingle Stage
Ignition TypeHot Surface Ignition
Weight150 lbs
Filter TypeStandard

Summary

INSTALLATION AND SERVICING INSTRUCTIONS

Safety

Essential safety precautions and guidelines for furnace installation and operation.

Furnace Specifications

Detailed technical specifications, dimensions, and performance data for various furnace models.

Introduction

Overview of the furnace, its certifications, and general installation requirements.

Location;Placement

Guidelines for selecting an appropriate and safe location for furnace installation.

Air for Combustion & Ventilation

Requirements for providing adequate air for combustion and ventilation to ensure safe operation.

Ducting

Recommendations and procedures for connecting and installing ductwork for proper airflow.

Venting

Instructions for correct venting of combustion gases to the outside.

Electrical Connections

Procedures for safe and proper electrical wiring and connections for the furnace.

Gas Connections

Guidelines for safely connecting the gas supply to the furnace, including pressure requirements.

Theory of Operation

Explanation of how the furnace's ignition and heating systems function step-by-step.

Start-Up Operation & Checkout

Steps for initial furnace startup, operational checks, and safety verification.

Sequence of Operation

Detailed flowchart illustrating the direct ignition system's operational steps.

Servicing The Furnace

Procedures for routine maintenance, cleaning, and component checks for furnace longevity.

Trouble Shooting Guide

Diagnostic guide using LED indicators to identify and resolve furnace operational issues.

Wiring Diagram

Schematic illustrating the electrical connections for furnace components and controls.

USERS INFORMATION MANUAL

Safety and Operation Guidelines

Essential safety, operating, and control instructions for users.

Temperature, Fan, and Troubleshooting

Adjusting temperature, fan settings, and troubleshooting common operational failures.

Furnace Maintenance and Inspections

Routine maintenance tasks, cleaning, filter checks, and inspections for optimal performance.

Warranty and Parts Information

Procedures for warranty claims and a guide to furnace replacement parts.

Owner Record

Section for recording furnace installation details and ownership information.

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