International comfort products N4A4 Technical Support Manual

TECHNICAL SUPPORT MANUAL
Split System Air Conditioner
DANGER, WARNING, CAUTION, and
NOTE
The signal words
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.
TABLE OF CONTENTS
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tech Labels (Expanded Data)
Condenser Only Data . . . . . . . . . . . . . . . . . . . . . .
Cooling Multipying Factors
Model Number Identification
MODELS
N4A418*KA300
N4A424*KB300
N4A430*KB300
N4A436*KA300
N4A442*KB300
N4A448*KB300
N4A449*KB300
N4A460*KB400
* = A for standard inlet grille,
G for inlet grille with 3/8" (10mm) tight−wire spacing
N4A4
Safety Labeling and Signal Words
DANGER, WARNING,
. . . . . . . . . . . . . . . . 4 − 11
12 − 15
. . . . . . . . . . . . . . . . . . 16 − 22
. . . . . . . . . . . . . . . . . . . .
Signal Words in Manuals
The signal word WARNING is used throughout this
manual in the following manner:
WARNING
!
The signal word CAUTION is used throughout this
manual in the following manner:
CAUTION
!
Signal Words on Product Labeling
Signal words are used in combination with colors
and/or pictures on product labels.
WARNING
!
2
DEATH, PERSONAL INJURY, AND/OR PROPERTY
3
DAMAGE HAZARD
Failure to carefully read and follow this warning
could result in equipment malfunction, property
damage, personal injury and/or death.
23
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.
WARNING
421 04 5202 00
Feb 2010