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506859-01
Issue 1236
Page 1 of 32
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
4SCU 16/18LS SERIES
Split System Air Conditioner
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 ...........................................................14
OPERATION ........................................................17
ALERT CODE ......................................................21
MAINTENANCE ..................................................26
WARRANTY ........................................................31
Manufactured By
Allied Air Enterprises, Inc.
A Lennox International Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
*P506859-01*
*p506859-01*
Summary of Contents for 4SCU 16LS Series
Page 8: ...506859 01 Issue 1236 Page 8 of 32 Figure 9 Figure 10 ...
Page 19: ...506859 01 Issue 1236 Page 19 of 32 Figure 14 CONTROL BOARD ...
Page 25: ...506859 01 Issue 1236 Page 25 of 32 ...
Page 29: ...506859 01 Issue 1236 Page 29 of 32 4SCU16LS124 160 Wire Diagram ...
Page 30: ...506859 01 Issue 1236 Page 30 of 32 4SCU18LS124 160 Wiring Diagram ...