506860-01 Issue 1404 Page 1 of 35
INSTALLATION AND MAINTENANCE INSTRUCTIONS
4SHP 16/18LS SERIES
Split System Heat Pump
These instructions must be read and understood completely before attempting installation.
TABLE OF CONTENTS
INSTALLATION ....................................................2
CONNECTION DIAGRAM .....................................4
START-UP ...........................................................14
OPERATION ........................................................17
ALERT CODE ......................................................23
MAINTENANCE ..................................................28
WARRANTY ........................................................34
Manufactured By
Allied Air Enterprises LLC
A Lennox International Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
*P506860-01*
(p) 506860-01
The equipment covered in this manual is to be installed by trained and experienced service and installation
technicians. Improper installation, modication, service, or use can cause electrical shock, re, explosion, or
other conditions which may cause personal injury, death, or property damage. Use appropriate safety gear
including safety glasses and gloves when installing this equipment.
WARNING
Risk of electrical shock. Disconnect all remote power
supplies before installing or servicing any portion of the
system. Failure to disconnect power supplies can 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
qualied service personnel should install or service
this equipment. Installation and service performed by
unqualied persons can result in property damage,
personal injury, or death.
WARNING
Sharp metal edges can cause injury. When installing
the unit, use care to avoid sharp edges.
WARNING
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