These instructions must be read and understood completely before attempting installation.
IMPORTANT: Effective January 1,2015, all split system and packaged air conditioners must be installed pursuant to
applicable regional efficiency standards issued by the Department of Energy.
Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and
NOTE
The signal words DANGER, WARNING,
CAUTION, and NOTE are used to identify levels of
hazard seriousness. The signal word DANGER is
only used on product labels to signify an immediate
hazard. The signal words WARNING, CAUTION,
and NOTE will be used on product labels and
throughout this manual and other manuals that may
apply to the product.
DANGER - Immediate hazards which will result in
severe personal injury or death.
WARNING - Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION - Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE - Used to highlight suggestions which
will result in enhanced installation, reliability, or
operation.
Signal Words in Manuals
The signal word WARNING is used throughout this
manual in the following manner:
The signal word CAUTION is used throughout this
manual in the following manner:
Signal Words on Product Labeling
Signal words are used in combination with colors
and/or pictures on product labels.
TABLE OF CONTENTS
Inspect New Unit ............................... 2
Safety Considerations ........................... 2
Location ....................................... 2
Clearances .................................... 2
Unit Support ................................... 2
Refrigeration System ........................... 3
Electrical Wiring ................................ 7
Defrost System ................................ 9
Start-up Procedure ............................ 11
Refrigerant Charge ............................ 11
Sequence of Operation ......................... 12
Troubleshooting ............................... 16
Maintenance .................................. 16
Comfort Alert TM Diagnostics Codes .............. 17
R-410A Quick Reference Guide ................. 18
DEATH, PERSONAL INJURY, AND/OR PROPERTY
DAMAGE HAZARD
Failure to carefully read and follow this warning
could result in equipment malfunction, property
damage, personal injury and/or death.
Installation or repairs made by unqualified per-
sons could result in equipment malfunction, prop-
erty damage, personal injury and/or death.
The information contained in this manual is in-
tended for use by a qualified service technician fa-
miliar with safety procedures and equipped with
the proper tools and test instruments.
Installation must conform with local building
codes and with the National Electrical Code
NFPA70 current edition or Canadian Electrical
Code Part 1 CSA C.22.1.
428 01 5106 03 03/04/15
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