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WIRING DIAGRAM MANUAL
Split System Air Conditioner
NH4A4
Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and
NOTE
The signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of haz-
ard 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.
WARNING
WARNING
CAUTION
TABLE OF CONTENTS
340086−101 Wiring Diagram (1−phase) 2..................
341422−101 Wiring Diagram (3− phase) 3.................
MODELS
1− Phase
Wire Diagram
340086−101
208/230−1−60 208/230−3−60
NH4A418AKA NH4A436AHA
NH4A424AKA NH4A448AHA
NH4A430AKA NH4A460AHA
NH4A436AKA 460−3−60
NH4A448AKA NH4A436ALA
NH4A460AKA NH4A448ALA
3− Phase
Wire Diagram
341422−101
NH4A460ALA
!
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 persons could result in equipment malfunction, property damage, personal injury and/or death.
The information contained in this manual is intended for use by a qualified service technician familiar 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.
WARNING
Specifications subject to change without notice.
421 03 9703 00 2/3/2015
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WIRING DIAGRAM MANUAL Split System Horizontal Air Conditioner
1−Phase 340086−101
2 421 03 9703 00
Specifications subject to change without notice.