5
SYSTEM REQUIREMENTS
REFRIGERANT CHARGE
ELECTRICAL REQUIREMENTS
PIPE SIZE
in (mm)
Notes: 1) System must be on a single dedicated circuit.
2) Power for indoor unit originates from outdoor unit.
3) Use table above for sizing of wiring and circuit breakers.
4) Follow all local building codes and NEC (National Electrical Code) regulations.
Interconnecting Cable: Recommended cable-14/4 A WG stranded bare copper conductors THHN 600V unshielded wire
Note: Use shielded cable if installation is in close proximity of RF and EMI transmitting devices.
Condensate Drain Size: 5/8-in OD 7/16-in ID
Unit Size (ButH)
Liquid Line
Suction/Gas Line
9,000
1/4 (6)
1/2 (12)
12,000
1/4 (6)
1/2 (12)
18,000
1/4 (6)
5/8 (15)
24,000
1/4 (6)
5/8 (15)
Unit Size (ButH)
Min Line Length
Max Line Length
Max Elevation
9,000
10 (3)
25 (7.5)
49 (15)
33 (10)
12,000
10 (3)
25 (7.5)
98 (30)
49 (15)
18,000
10 (3)
25 (7.5)
131 (40)
66 (20)
24,000
10 (3)
25 (7.5)
164 (50)
98 (30)
Unit Size (ButH)
Refrigerant Type
Factory System Charge
Additional Charge
oz (kg)
oz/ft (g/m)
9,000
R410A
45.9 (1.3)
0.21 (20)
12,000
R410A
49.4 (1.4)
0.21 (20)
18,000
R410A
74.1 (2.1)
0.54 (50)
24,000
R410A
81.1 (2.3)
0.54 (50)
Unit Size
Voltage
Min Circuit
Max Overcurrent
Main Power
(ButH)
Amps (MCA)
Protection (MOP)
Wire Size (AWG)*
9,000
208/230v - 1ph 60hz
9
15
12-2
12,000
208/230v - 1ph 60hz
9
15
12-2
18,000
208/230v - 1ph 60hz
22
30
10-2
24,000
208/230v - 1ph 60hz
22
35
10-2
*Main power wire from electrical panel to outdoor unit.
REFRIGERANT LINE LENGTHS
ft (m)
Pre-Charge
Line Length
