Armstrong G1D80BT - User Manual

# 45465K005 Page 1
INSTALLATION INSTRUCTIONS
This furnace is not approved for installation in
a mobile home. Do not install this furnace in a
mobile home. Installation in a mobile home
could result in actions that could cause prop-
erty damage, personal injury, or death.
WARNING
Manufactured By
A.A.C.
A Lennox International Inc. Company
421 Monroe Street
Bellevue, OH 44811
TABLE OF CONTENTS
SAFETY ................................................. 2
INSTALLATION....................................... 3
START-UP ............................................ 19
OPERATION ........................................ 20
MAINTENANCE ................................... 25
CONTROL DIAGNOSTICS .................. 26
REPAIR PARTS .................................... 27
WIRING DIAGRAMS ............................ 28
Do not store combustible materials, including
gasoline and other flammable vapors and
liquids, near the furnace, vent pipe, or warm air
ducts. The homeowner should be cautioned that
the furnace area must not be used as a broom
closet or for any other storage purposes. Such
uses may result in actions that could cause
property damage, personal injury, or death.
WARNING
Improper installation, adjustment, alteration, service, or maintenance can cause injury or
property damage. Refer to this manual. For assistance or additional information, consult
a qualified installer, service agency, or the gas supplier.
WARNING
The installation of the furnace, wiring, warm air ducts, venting, etc. must conform to the requirements of the
National Fire Protection Association; the National Fuel Gas Code, ANSI Z223.1/NFPA No. 54 (latest edition) and
the National Electrical Code, ANSI/NFPA No. 70 (latest edition) in the United States; CSA B149.1 (latest edition)
Natural Gas and Propane Installation Codes and the Canadian Electrical Code Part 1, CSA 22.1 (latest edition)
in Canada; and any state or provincial laws, local ordinances (including plumbing or wastewater codes), or local
gas utility requirements. Local authorities having jurisdiction should be consulted before installation is made.
Such applicable regulations or requirements take precedence over the general instructions in this manual.
IMPORTANT
Save these instructions for future reference
G1D80BT, G1D80BR, G2D80CT, & G2D80CR
80% Gas Furnace
with System Sentry™ Control System
*45465K005*

Summary

IMPORTANT SAFETY INFORMATION

INSTALLATION

Horizontal Installations

Clearances to Combustibles

Minimum required distances from furnace to combustible materials for various installations.

Location Requirements

Combustion and Ventilation Air

Requirements for providing adequate air for combustion and ventilation.

Space Requirements for Installation

Confined Space Installation

Requirements for air openings in confined spaces for combustion and ventilation.

Combustion Air Quality and Venting

Venting Requirements

Details furnace venting system design and installation based on gas codes.

Venting System Details

Sidewall Venting

Vertical Venting

Sidewall Vent Terminal Clearances

Clearances required for direct and non-direct vented sidewall terminals.

Sidewall Vent Terminal Clearances (Non-Direct Vented)

Clearances for non-direct vented sidewall furnace terminals.

Gas Supply and Piping

Gas Supply and Piping

Requirements for safe and correct gas supply connection and piping.

Electrical and Gas Connections

Gas Connection Procedures

Steps for connecting gas supply, including shutoff valves and testing.

Electrical Wiring

Safety precautions and guidelines for electrical connections to the furnace.

Furnace Twinning Wiring

Furnace Twinning Wiring Diagrams

Furnace Start-Up and Shut Down

Lighting Instructions

Safety warnings and steps for starting the furnace, including what to do if gas is smelled.

Furnace Start-Up

Step-by-step guide to initiate furnace operation.

Furnace Shut Down

Furnace Operation Sequences

Operation Sequence (G1 D80 BR;G1 D80 BT)

Operation Sequence (G2 D80 CR;G2 D80 CT)

Gas Input Adjustment and Checks

Gas Input Adjustment

Procedures for measuring and adjusting gas input pressure for different models.

Control Diagnostics and Troubleshooting

Control Diagnostic Fault Codes

Explanation of LED fault codes for diagnosing system failures.

Wiring Diagrams

Furnace Wiring Diagrams

Diagrams illustrating electrical connections for furnace models.

Armstrong G1D80BT Specifications

General

Brand	Armstrong
Model	G1D80BT
Category	Furnace
Language	English