506325-01
Issue 1734
Page 1 of 15
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INSTALLATION AND MAINTENANCE INSTRUCTIONS
MHP4 Series
Self-Contained Heat Pump
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
Table of Contents
Installation ...................................................................2
Operation .....................................................................7
Maintenance ................................................................9
Accessories ...............................................................10
Wiring Diagrams ........................................................12
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
For your safety, do not store or use gasoline or other
flammable vapors and liquids in the vicinity of this or any
other appliance. Such actions could result in property
damage, personal injury, or death.
WARNING
Installation and servicing of air conditioning equipment
can be hazardous due to internal refrigerant pressure
and live electrical components. Only trained and
qualified service personnel should install or service
this equipment. Installation and service performed by
unqualified persons can result in property damage,
personal injury, or death.
WARNING
The unit must be installed with approved wall sleeve
and grille accessories for safe operation. Improper
installations could result in property damage, personal
injury, or death.
WARNING
(P) 506325-01
*P506325-01*