Lennox G21Q3-80

E1994 Lennox Industries Inc.
G21Q & V
SERIES

PRODUCT LITERATURE
1996 Lennox Industries Inc.
Litho U.S.A.
503,072M
8/99
Supersedes 6/96
WHAT TO DO IF YOU SMELL GAS:
If the information in this manual is not
followed exactly, a fire or explosion
may result causing property damage,
personal injury or loss of life.
WARNING
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
Installation and service must be perĆ
formed by a qualified installer, serĆ
vice agency or the gas supplier.
D Do not try to light any appliance.
D Do not touch any electrical switch; do not
use any phone in your building.
D Immediately call your gas supplier from a
neighbor's phone. Follow the gas suppliĆ
er's instructions.
D If you cannot reach your gas supplier, call
the fire department.
Dallas, Texas
D Extinguish any open flames.
GAS FURNACE
Библиотека СОК 

Lennox G21Q3-80 Specifications

General

Brand	Lennox
Model	G21Q3-80
Category	Industrial Equipment
Language	English

Summary

Pre-Operation Safety Precautions

Handling Water-Submerged Units

Warning regarding operation of furnaces exposed to water and the need for qualified inspection.

Emergency Shut-off Procedure

Instructions for shutting off gas supply in case of overheating or failure.

Service Disconnection Requirement

Pre-Ignition Gas Check

Procedure to check for gas leaks around the furnace before attempting ignition.

Important Directions

Clearance and Flammable Materials

Airflow Requirements

Return Air Source Caution

Warns against drawing return air from rooms with other gas appliances to prevent CO risks.

Thermostat Settings

Turning Gas On

Step-by-step guide to turning the gas supply on for the furnace.

Turning Gas Off

Procedure for safely turning off the gas supply to the unit for maintenance.

Filter Servicing

Routine Maintenance and Safety Checks

Service Reminders and Safety Precautions

When to Contact a Qualified Technician

Carbon Monoxide Exposure Symptoms

Recognizing symptoms of carbon monoxide exposure and its potential causes.

Planned Service and Inspections

Combustion Air and Venting Checks