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INSTALLATION AND MAINTENANCE
INSTRUCTIONS
SCU Series
Split System Air Conditioner
Manufactured By
A.A.C.
A Lennox International Company
421 Monroe Street
Bellevue, OH 44811
TABLE OF CONTENTS
INSTALLATION....................................... 2
START-UP .............................................. 5
MAINTENANCE ..................................... 5
WIRING DIAGRAMS .............................. 6
WARRANTY ........................................... 8
Before performing maintenance operations on
system, turn off all main power switches to
indoor and outdoor units. Turn off accessory
heater power switch if applicable. Electrical
shock could cause personal injury or death.
WARNING
Installation and servicing of air conditioning
equipment can be hazardous due to internal
refrigerant pressure and live electrical compo-
nents. Only trained and qualified service
personnel should install or service this equip-
ment. Installation and service performed by
unqualified persons can result in property
damage, personal injury or death.
WARNING
Risk of electrical shock. Disconnect all remote
power supplies before installing or servicing
any portion of the system. Failure to discon-
nect power supplies can result in property
damage, personal injury or death.
WARNING
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 per-
sonal injury, death or property damage. Use appropriate safety gear including safety
glasses and gloves when installing this equipment.
WARNING
