506257-01
Issue 1330
Page 1 of 29
The equipment covered in this manual is to be installed by trained and experienced
service and installation technicians. Improper installation, modification, service, or use
can cause electrical shock, fire, 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
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
Sharp metal edges can cause injury. When installing
the unit, use care to avoid sharp edges.
WARNING
INSTALLATION AND MAINTENANCE INSTRUCTIONS
4SHP18LT SERIES
Split System Heat Pump
These instructions must be read and understood completely before attempting installation.
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
TABLE OF CONTENTS
INSTALLATION ......................................2
CONNECTION DIAGRAM .......................4
START-UP .............................................13
OPERATION ..........................................18
MAINTENANCE ....................................23
WARRANTY ..........................................28
Manufactured By
Allied Air Enterprises, Inc.
A Lennox International Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
*P506257-01*
(p) 506257-01
