Systems Wiring Diagram

421 03 5400 01 1/22/2018
Specifications subject to change wi thout notice.
WIRING DIAGRAM MANUAL
Split System Air Conditioner
N4A3, R4A3, WCA3**4, NXA4, R4A4, W CA4** 4
N4A5, R4A5, WCA5**4, N4A6, NXA6
!
DANGER, WARNING, CAUTION, NOTE
The signal words DANGER, W ARNING, CAU-
TION, 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 haz-
ard. The signal words WARNING, CAUTION, and
NOTE will be used on product labels and through-
out this manual and other manuals that may apply
to the product.
DANGER - Immediate hazards which will result in
severe personal injury or death.
W ARNING - 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 opera-
tion.
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.
Safety Labeling and Signal Words
CAUTION
WARNING
!
WARNING
TABLE OF CONTENTS
340085- 101 Wiring Diagram 2...........................
340086- 101 Wiring Diagram 3...........................
342878- 101 Wiring Diagram 4...........................
Expanded Model Number list 5...........................
MODELS
Wire Diagram 340085- 101
All N4A3, All N4A5, All N4A6 (except 48 & 60 GKB),
All NXA4, All NXA6, R4A424(A,G)KA, R4A518(A,G)KA,
R4A524(A,G)KA, WCA4244GKA, WCA5184GKA,
WCA5244GKA
Wire Diagram 340086- 101
All R4A3, All R4A4, except R4A424(A,G)KA,
All R4A5 except R4A518(A,G)KA & R4A524(A,G)KA,
All WCA3, All WCA4 except WCA4244GKA,
All WCA5 except WCA5184GKA & WCA5244GKA
Wire Diagram 342878- 101
N4A648GKB, N4A660GKB
WARNING
!
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.