Lennox MMA048S4

21
Table 1. Single Zone Mini-Split Wiring Guide
Systems
System
Capacity
System Voltage
Number of
Conductors
Wire Type Wire Gauge
Indoor to Outdoor Wiring
(Communication only)
(S1, S2 and GND)
60K 208/230 VAC 3 Stranded (shielded) 24AWG*3
Outdoor to Main Power
L1, L2 and GND
60K 208/230 VAC 3 Stranded
MCA: 35A
8AWG*3
Table 2. Multi-Zone Installation Wiring Requirements
System and Terminal
Designations
System Capacity System Voltage
Number of
Conductors
Wire Type Wire Gauge / MCA
Indoor to Outdoor Unit
Indoor to Outdoor
Wiring
(Communication/Power)
1, 2, 3 and GND
18K 208/230VAC 4
Stranded and
unshielded
16AWG
Outdoor to Main Power
L1, L2 and GND
18K 208/230VAC 3
Stranded and
unshielded
14AWG / 18A
Indoor to Outdoor
Wiring
(Communication/Power)
1, 2, 3 and GND
24K 208/230VAC 4
Stranded and
unshielded
16AWG
Multi-Zone Outdoor Unit to Main Power
Outdoor to Main Power
L1, L2 and GND
18K 208/230VAC 3
Stranded and
unshielded
14AWG / 18A
Outdoor to Main Power
L1, L2 and GND
24K 208/230VAC 3
Stranded and
unshielded
12AWG / 22A
Outdoor to Main Power
L1, L2 and GND
30K 208/230VAC 3
Stranded and
unshielded
16AWG
Outdoor to Main Power
L1, L2 and GND
36K 208/230VAC 3
Stranded and
unshielded
10AWG / 30A
Outdoor to Main Power
L1, L2 and GND
48K 208/230VAC 3
Stranded and
unshielded
8AWG / 35A
MCA = Minimum Circuit Amps