507858-01
Issue 1922
Page 1 of 21
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INSTALLATION AND MAINTENANCE INSTRUCTIONS
MGE4 Series
Gas Heating with Electric Cooling Unit
Manufactured By
Allied Air Enterprises LLC
A Lennox International Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in
manuals, be alert to the potential for personal injury or death.
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 or service agency.
WARNING
The installation of this appliance must conform to the requirements of the National Fire Protection Association; the National
Electrical Code, ANSI/NFPA No. 70 (latest edition) in the United States; the Canadian Electrical Code Part 1, CSA 22.1
(latest edition) in Canada; and any state or provincial laws or local ordinances. 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.
CAUTION
*P507858-01*
(P) 507858-01
Table of Contents
Installation ...................................................................1
Start-Up .....................................................................15
Operation ...................................................................15
Maintenance ..............................................................17
Accessories ...............................................................18
Wiring Diagrams ........................................................20
Installation
These units are not approved for mobile home
applications. Such use could result in property damage,
personal injury, or death.
WARNING
General
These instructions explain the recommended method of
installation of the MGE4 gas heating with electric cooling
unit and associated electrical wiring.
The MGE4 series are self-contained, gas-fired heating with
electric cooling models with optional CLIMATE GUARD™
coated coils. The unit design has been certified by Intertek
Testing Services for compliance with the latest edition of
the American National Standard – ANSI Z21.47/National
Standard of Canada – CAN/CGA-2.3 for direct vent
central furnaces. The MGE4 models are certified to be in
compliance with the latest edition of A.R.I. Standard 390.
All models are design certified for heating operation when
fired with natural or propane gas. Units must be equipped
to use the fuel type provided in the field.
