Lennox 2SG13B Series User Manual

USER'S INFORMA'fION MANUAL
(2,4)SG13 Series
Gas eating/Electric Cooling Package Unit
Congratulations...
...your outdoor heating/cooling package unit is a valuable
piece of equipment, designed and manufactured by the
most modern methods. Proper care of your unit should
result in many years of service and comfort.
To keep your operating costs low and to eliminate unnec-
essary service calls, we have provided a few guidelines.
These guidelines will help you understand how your
heating/cooling unit operates and how to maintain it so
you can get years of safe and dependable service. Read
all the instructions in this manual, and keep all manuals
for future reference.
GAMA Certified E_;=CE.OY
CERTbFIED
The Gas Appliance
Manufacturers Association
(GAMA) symbol verifies that
Annual Fuel Utilization Efficiency (AFUE) ratings for our
gas package heating/cooling units have been derived from
U.S. Government standard tests.
6AS-r|REB
LISTED
_, WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow the safety warnings
exactly could result in serious injury,
death, or property damage.
= Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
=What to do if you smell gas:
• Do not try to light any appliance.
• Do not touch any electrical switch; do
not use any phone in your building.
• Immediately call your gas supplier from
a neighbor's phone. Follow the gas
supplier's instructions.
• if you cannot reach the gas supplier,
call the fire department.
= Installation and service must be per=
formed by a qualified installer, service
agency or the gas supplier.
Manufactured By
A.A.C.
A Lennox International Inc. Company
421 Monroe Street
Bellevue, OH 44811
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TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION ................ 2
OPERATING YOUR UNIT .................................... 3
MAINTENANCE OF YOUR UNIT ......................... 5
REPAIR PARTS .................................................... 7
WARRANTY ......................................................... 8
# 48368H005 Save these instructionsfor future reference Page 1

Lennox 2SG13B Series Specifications

General

Model	2SG13B Series
Type	Air Conditioner
SEER Rating	13
EER Rating	11
Refrigerant	R-410A
Operating Sound Level (dB)	76
Voltage (VAC)	208/230
Phase	1
Compressor Type	Scroll
Energy Efficiency	Standard

Summary

Important Safety Information

Electrical Shock, Fire, or Explosion Hazard

Warning regarding dangerous operation, serious injury, death, or property damage due to improper servicing or unit use.

General Safety Precautions and Checks

Key safety measures including area clearance, combustion air, ignition device, gas supply, flood damage, and installation checks.

Unit Inspection Recommendations

Guidance on periodic physical inspections and recommended annual service by a qualified agent.

Operating Your Unit

Lighting Instructions

Step-by-step guide for safely lighting the unit's burners using the automatic ignition system.

Operating Sequence and Lockout Reset

Explanation of the heating cycle, flame sensing, ignition trials, lockout, and reset procedures.

Shutting Down and Turning Off Gas

Procedures for safely shutting down the unit and turning off the gas supply for service.

Thermostat and Unit Operation

Thermostat Operation

Details on selector switches for heating/cooling and fan operation, and setting desired temperatures.

Fan Operation Modes

Explanation of continuous ('ON') versus automatic ('AUTO') fan operation for indoor air circulation.

Troubleshooting Unit Comfort

Checks for correct thermostat setting, clean filter, and unobstructed airflow for complete comfort.

Maintenance of Your Unit

Routine Maintenance Steps

Importance of routine steps for efficiency, lower costs, fewer service calls, and longer unit life.

Cleaning and Physical Inspections

Cleaning the cabinet, inspecting burners, flue outlet for soot, and unit support for deterioration.

Combustion and Ventilation Air

Requirement for unobstructed air openings for safe and proper operation to prevent fire or carbon monoxide hazards.

Venting and Unit Support

Ensuring vent terminal is clear, unit support is sound, and no obstructions impede venting.

Unit Components and Service

Return Air and Filters

Ensuring tight duct connections and proper filter installation and maintenance for optimal airflow.

Blower Assembly Cleaning

Annual inspection and cleaning of blower wheels and motors to remove dust accumulation.

Burner Flame Inspection

Observing burner flames for proper adjustment; advising against self-adjustment and recommending professional service.

Rollout Switch Function

Explanation of the manual reset switch that shuts off gas flow during burner flame rollout.

Repair Parts and Owner Record

Available Repair Parts

List of repair parts categorized by functional groups (Gas Control, Heat Exchanger, Blower, etc.).

Owner Record Section

Area for recording essential unit details like Model #, Serial #, and Installation Date.