Combination of indoor unit
Type of in-
door unit
Rated capacity for each indoor
unit [kBtu/h]
Maximum capacity for each in-
door unit [kBtu/h]
Total capacity
[kBtu/h]
Input power [kW]
Total
Min. Rated Max. Min. Rated Max.
9 9 15 18 — 51 Non-ducted 8.5 8.5 14.1 16.9 — 9.5 9.5 15.9 19.1 — 12.0 48.0 54.0 0.70 3.88 4.32
9 9 18 18 — 54 Non-ducted 8.0 8.0 16.0 16.0 — 9.0 9.0 18.0 18.0 — 12.0 48.0 54.0 0.70 3.88 4.32
9 12 12 12 — 45 Non-ducted 9.6 12.8 12.8 12.8 — 10.8 14.4 14.4 14.4 — 12.0 48.0 54.0 0.70 3.88 4.32
9 12 12 15 — 48 Non-ducted 9.0 12.0 12.0 15.0 — 10.1 13.5 13.5 16.9 — 12.0 48.0 54.0 0.70 3.88 4.32
9 12 12 18 — 51 Non-ducted 8.5 11.3 11.3 16.9 — 9.5 12.7 12.7 19.1 — 12.0 48.0 54.0 0.70 3.88 4.32
9 12 15 15 — 51 Non-ducted 8.5 11.3 14.1 14.1 — 9.5 12.7 15.9 15.9 — 12.0 48.0 54.0 0.70 3.68 4.32
9 12 15 18 — 54 Non-ducted 8.0 10.7 13.3 16.0 — 9.0 12.0 15.0 18.0 — 12.0 48.0 54.0 0.70 3.88 4.32
12 12 12 12 — 48 Non-ducted 12.0 12.0 12.0 12.0 — 13.5 13.5 13.5 13.5 — 12.0 48.0 54.0 0.70 3.88 4.32
12 12 12 15 — 51 Non-ducted 11.3 11.3 11.3 14.1 — 12.7 12.7 12.7 15.9 — 12.0 48.0 54.0 0.70 3.88 4.32
12 12 12 18 — 54 Non-ducted 10.7 10.7 10.7 16.0 — 12.0 12.0 12.0 18.0 — 12.0 48.0 54.0 0.70 3.88 4.32
12 12 12 18 — 54 Non-ducted 10.7 10.7 10.7 16.0 — 12.0 12.0 12.0 18.0 — 12.0 48.0 54.0 0.70 3.96 4.32
12 12 15 15 — 54 Non-ducted 10.7 10.7 13.3 13.3 — 12.0 12.0 15.0 15.0 — 12.0 48.0 54.0 0.70 3.96 4.32
7 7 7 7 7 35 Non-ducted 7.5 7.5 7.5 7.5 7.5 8.4 8.4 8.4 8.4 8.4 12.0 37.3 42.0 0.70 2.95 3.29
7 7 7 7 9 37 Non-ducted 7.5 7.5 7.5 7.5 9.6 8.4 8.4 8.4 8.4 10.8 12.0 39.5 44.4 0.70 3.14 3.49
7 7 7 7 12 40 Non-ducted 7.5 7.5 7.5 7.5 12.8 8.4 8.4 8.4 8.4 14.4 12.0 42.7 48.0 0.70 3.42 3.80
7 7 7 7 15 43 Non-ducted 7.5 7.5 7.5 7.5 16.0 8.4 8.4 8.4 8.4 18.0 12.0 45.9 51.6 0.70 3.70 4.12
7 7 7 7 18 46 Non-ducted 7.3 7.3 7.3 7.3 18.8 8.2 8.2 8.2 8.2 21.1 12.0 48.0 54.0 0.70 3.88 4.32
7 7 7 7 24 52 Non-ducted 6.5 6.5 6.5 6.5 22.2 7.3 7.3 7.3 7.3 24.9 12.0 48.0 54.0 0.70 3.88 4.32
7 7 7 9 9 39 Non-ducted 7.5 7.5 7.5 9.6 9.6 8.4 8.4 8.4 10.8 10.8 12.0 41.6 46.8 0.70 3.32 3.70
7 7 7 9 12 42 Non-ducted 7.5 7.5 7.5 9.6 12.8 8.4 8.4 8.4 10.8 14.4 12.0 44.8 50.4 0.70 3.60 4.01
7 7 7 9 15 45 Non-ducted 7.5 7.5 7.5 9.6 16.0 8.4 8.4 8.4 10.8 18.0 12.0 48.0 54.0 0.70 3.88 4.32
7 7 7 9 18 48 Non-ducted 7.0 7.0 7.0 9.0 18.0 7.9 7.9 7.9 10.1 20.3 12.0 48.0 54.0 0.70 3.88 4.32
7 7 7 9 24 54 Non-ducted 6.2 6.2 6.2 8.0 21.3 7.0 7.0 7.0 9.0 24.0 12.0 48.0 54.0 0.70 3.88 4.32
7 7 7 12 12 45 Non-ducted 7.5 7.5 7.5 12.8 12.8 8.4 8.4 8.4 14.4 14.4 12.0 48.0 54.0 0.70 3.88 4.32
7 7 7 12 15 48 Non-ducted 7.0 7.0 7.0 12.0 15.0 7.9 7.9 7.9 13.5 16.9 12.0 48.0 54.0 0.70 3.88 4.32
7 7 7 12 18 51 Non-ducted 6.6 6.6 6.6 11.3 16.9 7.4 7.4 7.4 12.7 19.1 12.0 48.0 54.0 0.70 3.88 4.32
7 7 7 15 15 51 Non-ducted 6.6 6.6 6.6 14.1 14.1 7.4 7.4 7.4 15.9 15.9 12.0 48.0 54.0 0.70 3.88 4.32
7 7 7 15 18 54 Non-ducted 6.2 6.2 6.2 13.3 16.0 7.0 7.0 7.0 15.0 18.0 12.0 48.0 54.0 0.70 3.88 4.32
7 7 9 9 9 41 Non-ducted 7.5 7.5 9.6 9.6 9.6 8.4 8.4 10.8 10.8 10.8 12.0 43.7 49.2 0.70 3.51 3.91
7 7 9 9 12 44 Non-ducted 7.5 7.5 9.6 9.6 12.8 8.4 8.4 10.8 10.8 14.4 12.0 46.9 52.8 0.70 3.78 4.22
7 7 9 9 15 47 Non-ducted 7.1 7.1 9.2 9.2 15.3 8.0 8.0 10.3 10.3 17.2 12.0 48.0 54.0 0.70 3.88 4.32
7 7 9 9 18 50 Non-ducted 6.7 6.7 8.6 8.6 17.3 7.6 7.6 9.7 9.7 19.4 12.0 48.0 54.0 0.70 3.88 4.32
7 7 9 12 12 47 Non-ducted 7.1 7.1 9.2 12.3 12.3 8.0 8.0 10.3 13.8 13.8 12.0 48.0 54.0 0.70 3.88 4.32
7 7 9 12 15 50 Non-ducted 6.7 6.7 8.6 11.5 14.4 7.6 7.6 9.7 13.0 16.2 12.0 48.0 54.0 0.70 3.88 4.32
7 7 9 12 18 53 Non-ducted 6.3 6.3 8.2 10.9 16.3 7.1 7.1 9.2 12.2 18.3 12.0 48.0 54.0 0.70 3.88 4.32
7 7 9 15 15 53 Non-ducted 6.3 6.3 8.2 13.6 13.6 7.1 7.1 9.2 15.3 15.3 12.0 48.0 54.0 0.70 3.68 4.32
7 7 12 12 12 50 Non-ducted 6.7 6.7 11.5 11.5 11.5 7.6 7.6 13.0 13.0 13.0 12.0 48.0 54.0 0.70 3.88 4.32
7 7 12 12 15 53 Non-ducted 6.3 6.3 10.9 10.9 13.6 7.1 7.1 12.2 12.2 15.3 12.0 48.0 54.0 0.70 3.88 4.32
7 9 9 9 9 43 Non-ducted 7.5 9.6 9.6 9.6 9.6 8.4 10.8 10.8 10.8 10.8 12.0 45.9 51.6 0.70 3.70 4.12
7 9 9 9 12 46 Non-ducted 7.3 9.4 9.4 9.4 12.5 8.2 10.6 10.6 10.6 14.1 12.0 48.0 54.0 0.70 3.88 4.32
7 9 9 9 15 49 Non-ducted 6.9 8.8 8.8 8.8 14.7 7.7 9.9 9.9 9.9 16.5 12.0 48.0 54.0 0.70 3.88 4.32
7 9 9 9 18 52 Non-ducted 6.5 8.3 8.3 8.3 16.6 7.3 9.3 9.3 9.3 18.7 12.0 48.0 54.0 0.70 3.88 4.32
7 9 9 12 12 49 Non-ducted 6.9 8.8 8.8 11.8 11.8 7.7 9.9 9.9 13.2 13.2 12.0 48.0 54.0 0.70 3.88 4.32
7 9 9 12 15 52 Non-ducted 6.5 8.3 8.3 11.1 13.8 7.3 9.3 9.3 12.5 15.6 12.0 48.0 54.0 0.70 3.88 4.32
7 9 12 12 12 52 Non-ducted 6.5 8.3 11.1 11.1 11.1 7.3 9.3 12.5 12.5 12.5 12.0 48.0 54.0 0.70 3.88 4.32
9 9 9 9 9 45 Non-ducted 9.6 9.6 9.6 9.6 9.6 10.8 10.8 10.8 10.8 10.8 12.0 48.0 54.0 0.70 3.88 4.32
9 9 9 9 12 48 Non-ducted 9.0 9.0 9.0 9.0 12.0 10.1 10.1 10.1 10.1 13.5 12.0 48.0 54.0 0.70 3.88 4.32
9 9 9 9 15 51 Non-ducted 8.5 8.5 8.5 8.5 14.1 9.5 9.5 9.5 9.5 15.9 12.0 48.0 54.0 0.70 3.88 4.32
9 9 9 9 18 54 Non-ducted 8.0 8.0 8.0 8.0 16.0 9.0 9.0 9.0 9.0 18.0 12.0 48.0 54.0 0.70 3.88 4.32
9 9 9 12 12 51 Non-ducted 8.5 8.5 8.5 11.3 11.3 9.5 9.5 9.5 12.7 12.7 12.0 48.0 54.0 0.70 3.88 4.32
9 9 9 12 15 54 Non-ducted 8.0 8.0 8.0 10.7 13.3 9.0 9.0 9.0 12.0 15.0 12.0 48.0 54.0 0.70 3.88 4.32
9 9 12 12 12 54 Non-ducted 8.0 8.0 10.7 10.7 10.7 9.0 9.0 12.0 12.0 12.0 12.0 48.0 54.0 0.70 3.88 4.32
NOTES:
• Specifications are based on the following conditions.
– Power source of specifications: 230 V
– 7: 7,000 Btu/h, 9: 9,000 Btu/h, 12: 12,000 Btu/h, 15: 14,000 Btu/h, 18: 18,000 Btu/h, 24:
24,000 Btu/h
– 2 or more indoor units should be connected.
– Heating: Indoor temperature of 70 °FDB (21.1 °CDB) / 60 °FWB (15.6 °CWB), and outdoor
temperature of 47 °FDB (8.3 °CDB) / 43 °FWB (6.1 °CWB).
– Pipe length: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit - Indoor unit]
– The total ability of connected a indoor unit is from 34,000 Btu up to 54,000 Btu.
• Combination of 15+24 (14,000 Btu/h+24,000 Btu/h) of the indoor units is prohibited.
DESIGN & TECHNICAL MANUAL
- 92 -
OUTDOOR UNIT
ROMH45AFXZJ
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