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9
25' maximum
8' minimum
16.4' maximum
OIL TRAP
INDOOR UNIT
OUTDOOR UNIT
***Each system is pre-charged with enough refrigerant to charge 25 ft. of line and the interior unit.
NOTE: Systems having the outdoor unit mounted above the indoor unit (e.g. basement
installations) have the following additional requirement:
For systems with maximum elevation of 25 ft. (see chart above and Figure A), refrigerant lines
must be oil trapped between 8 ft. and 16.4 ft. of elevation.
For systems with elevation of greater than 25 ft. (see chart above), refrigerant lines must be oil
trapped at least every 16.4 ft. of elevation.
Figure A.
Example: 25 ft. maximum elevation.
ART COOL MINI-SPLIT SINGLE ZONE
ELECTRICAL & REFRIGERATION • QUICK REFERENCE
NOTE: Please see local electrical codes for proper wire specifications.
All equipment single phase.
*Minimum Circuit Ampacity
**Maximum Overcurrent Protection
Wire Size
Minimum AWG 14-3
Indoor/Outdoor Connecting Cable Minimum AWG 18-4
Electrical Specifications
Type Model BTUs Voltage Rated Amps MCA* MOP**
Art Cool Indoor Outdoor
Single Zone
A/C
LA091CNP 9,000
36V DC 115 7.2 15 15
A/C
LA121CNP 12,000
36V DC 115 9.3 15 20
A/C
LA121CNM 11,500
36V DC 115 10.5 15 20
A/C
LA181CNW 18,000
36V DC 230/208 9.8 15 20
H/P LA091HNP 9,000 36V DC 115 7.2 15 20
H/P LA121HNP 12,000 36V DC 115 9.3 15 20
H/P LA121HNM 11,500 36V DC 115 10.5 15 20
Refrigerant Line & Formula Specifications*
Type Model BTUs Pipe Size Additional Max. Pipe Max.
Art Cool Liquid Suction Refrigerant Length Elevation
Single Zone A/C LA091CNP 9,000 1/4" 1/2" 0.21 oz./ft. 50' 25'
A/C LA121CNP 12,000 1/4" 1/2" 0.21 oz./ft. 50' 25'
A/C LA121CNM 11,500 1/4" 1/2" 0.21 oz./ft. 50' 25'
A/C LA181CNW 18,000 1/4" 1/2" 0.21 oz./ft. 100' 50'
H/P LA091HNP 9,000 1/4" 1/2" 0.21 oz./ft. 50' 25'
H/P
LA121HNP 12,000 1/4" 1/2 " 0.21 oz./ft. 50' 25'
H/P
LA121HNM 11,500 1/4" 1/2 " 0.21 oz./ft. 50' 25'
Electrical Specifications
Refrigerant Line Specifications***