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HVAC
COMMUNICATING SPLIT SYSTEM 18 SEER ENHANCED
AIR CONDITIONERS
4SCU18LS
208/230v Single Phase R410a Refrigerant
Dimensions
Locke# Model
A B C
L7788
4SCU18LS124P 37
s
35
s
44
L7789
4SCU18LS136P 37
s
35
s
44
L7790
4SCU18LS148P 37
s
35
s
44
L7791
4SCU18LS160P 37
s
35
s
44
Specifications
Locke# Model# Tonnage Voltage/ Hz/
Phase
Voltage
Range
Min.
Circuit
Ampacity
Max.
Overcurrent
Device
(amps)
Compressor
Fan Motor
Refrig.
Charge
(oz.)
Weight
(lbs.)
Rated
Load
(amps)
Locked
Rotor
(amps)
Rated
Load
(amps)
Rated
HP
Nom.
RPM
L7788
4SCU18LS124P
2
230/60/1 216-253 15.6
25
10.2 52
.7 1/3 825 302 297
L7789
4SCU18LS136P
3
230/60/1 216-253 23.7
40
16.6 82
.6 1/3 825 240 297
L7790
4SCU18LS148P
4
230/60/1 216-253 29.3
50
21.1 96
.8 1/3 825 252 297
L7791
4SCU18LS160P
5
230/60/1 216-253 34.4
60
25.6 118 .8 1/3 825 244 321
10 Year Limited Warranty on Compressor
5 Year Limited Warranty on all Parts (10 year available)
18 SEER AIR CONDITIONERS
COMPRESSOR
• High efficiency 2 stage Copeland
UltraTech™ scroll compressor
• R410a refrigerant
• Grommet mounted compressor for quiet
operation
• Internally protected against high
temperature motor overload conditions
• Heavy duty compressor sound blanket for
quiet operation
CABINET
• Full metal louvered jacket coil guard
protection
• Controls located in corner post for easy
installation and service
• Rounded corners for safety and attractive,
clean appearance
• Baked polyester paint finish over galvanized
steel for maximum durability
• PVC coated wire fan discharge grille
• External gauge ports for easy service
COIL
• Enhanced aluminum fins and copper tubing
for high efficiency and capacity
• Raised coil prevents debris from collecting
in bottom of coil and causing loss of airflow
COMPONENTS
• Full metal jacket panels remove with just
two screws per panel for easy coil cleaning
and service
• Filter drier installed for system protection
• Service valves positioned for quick
installation and easy service
• High and low pressure switches factory
installed
• Comfort Alert 2 diagnostics factory installed
• Charged for 15 ft. of line set
• Trade available components
DESIGN
• Designed for ambients up to 125°F
2 Stage
Compressor