Indoor Unit Combinations with Associated Nominal Capacity (kBTUH)
Outdoor Unit
# of
Ports
Two Indoor Units
4TXM2218A12N0
18,000 BTUH
2 9+9 9+12 12+12
Outdoor Unit Two Indoor Units Three Indoor Units
4TXM2221A13N0
21,000 BTUH
3
9+9 9+18 12+12 9+9+9
9+12 9+21 12+18 9+9+12
Outdoor Unit Two Indoor Units Three Indoor Units Four Indoor Units
4TXM2224A14N0
24,000 BTUH
4
9+9 9+24 12+24 9+9+9 9+12+18 9+9+9+9
9+12 12+12 18+18 9+9+12 9+9+9+12
9+18 12+18 9+9+18
9+21 12+21 9+12+12
Outdoor Unit Two Indoor Units Three Indoor Units Four Indoor Units Five Indoor Units
4TXM2230A15N0
30,000 BTUH
5
9+9 12+12 18+21 9+9+9 9+12+12 12+12+18 9+9+9+9 9+9+12+18 9+9+9+9+9
9+12 12+18 18+24 9+9+12 9+12+18 12+12+21 9+9+9+12 9+12+12+12 9+9+9+9+12
9+18 12+21 21+21 9+9+18 9+12+21 12+12+24 9+9+9+18 12+12+12+12
9+21 12+24 21+24 9+9+21 9+12+24 18+18+9 9+9+9+21
9+24 18+18 24+24 9+9+24 12+12+12 12+18+18 9+9+12+12
Outdoor Unit Two Indoor Units Three Indoor Units Four Indoor Units Five Indoor Units
4TXM2236A15N0
36,000 BTUH
5
9+9 12+18 21+21 9+9+9 9+12+18 12+12+24 9+9+9+9 9+9+12+18 9+9+9+9+9
9+12 12+21 21+24 9+9+12 9+12+21 12+18+18 9+9+9+12 9+9+12+21 9+9+9+9+12
9+18 12+24 24+24 9+9+18 9+12+24 12+18+21 9+9+9+18 9+9+12+24 9+9+9+9+18
9+21 18+18 9+9+21 12+12+12 12+18+24 9+9+9+21 9+9+18+18 9+9+12+12+12
9-24 18+21 9+9+24 12+12+18 18+18+18 9+9+9+24 9+12+12+12
12+12 18+24 9+12+12 12+12+21 9+9+12+12 9+12+12+18
Outdoor Unit Two Indoor Units Three Indoor Units Four Indoor Units Five Indoor Units
4TXM2242A15N0
42,000 BTUH
5
9+12 24+24 9+9+9 12+18+18 9+9+9+9 9+12+12+12 9+9+9+9+9
9+18 9+9+12 12+18+21 9+9+9+12 9+12+12+18 9+9+9+9+12
9+21 9+9+18 12+18+24 9+9+9+18 9+12+12+21 9+9+9+9+18
9+24 9+9+21 18+18+18 9+9+9+21 9+12+12+24 9+9+9+9+21
12+12 9+9+24 18+18+21 9+9+9+24 9+12+18+18 9+9+9+9+24
12+18 9+12+12 18+18+24 9+9+12+12 9+12+18+21 9+9+9+12+12
12+21 9+12+18 18+21+21 9+9+12+18 9+12+18+24 9+9+9+12+18
12+24 9+12+21 9+9+12+21 12+12+12+12 9+9+9+12+21
18+18 9+12+24 9+9+12+24 12+12+12+18 9+9+12+12+12
18+21 12+12+12 9+9+18+18 12+12+12+21 9+9+12+12+18
18+24 12+12+18 9+9+18+21 12+12+12+24 9+12+12+12+12
21+21 12+12+21 9+9+18+24 12+12+18+18 12+12+12+12+12
21+24 12+12+24 9+9+21+21
22 SEER Ductless Multi-Zone Approved Combinations
Ductless Multi-Zone Quick Reference
Multi-Zone Heat Pumps Indoor Options
9,000 BTUH 12,000 BTUH 18,000 BTUH 21,000 BTUH 24,000 BTUH
High-Wall Mounted 4MXW2709A10N0 4MXW2712A10N0 4MXW2718A10N0 N/A 4MXW2724A10N0
Ceiling Concealed 4MXD8509A10N0 4MXD8512A10N0 4MXD8518A10N0 4MXD8521A10N0 4MXD8524A10N0
Cassette N/A 4MXC8512A10N0 4MXC8518A10N0 N/A 4MXC8524A10N0
Console 4MXF8509A10N0 4MXF8512A10N0 4MXF8518A10N0 N/A N/A
Floor/Ceiling 4MXX8509A10N0 4MXX8512A10N0 4MXX8518A10N0 N/A 4MXX8524A10N0
8
22 Series Multi-Zone