Combinability Range; Connected Number Of Indoor Units - Hitachi UTOPIA R32 Series Technical Catalogue

4 Capacities and selection data

Combinability range

4.1 Combinability range

4.1.1 Connected number of indoor units

Range of operation capacity control from 90 to 100% for 1 or 2 indoor units (RAS-3HVRC2) and 90 up to 115% for 1 to 4
indoor units (RAS-(4-6)H(V)(R/N)(C/P)2E).
Minimum combination
Outdoor unit
capacity (HP)
RAS-3HVRC2
RAS-4H(V)R(C/P)2E
RAS-5H(V)R(C/P)2E
RAS-6H(V)R(C/P)2E
RAS-4H(V)N(C/P)2E
RAS-5H(V)N(C/P)2E
RAS-6H(V)N(C/P)2E
?
N O T E
• In case of installation in cold territories (where Outdoor Temperature may fall below -5ºC) or in places where Heating load is large,
install a number of units with a connected capacity ratio under 100%.
• Please check the piping chapter for other restrictions and limitations to adequate the combinability and the number of indoor units
installed.
• See "9. Piping work and refrigerant charge" for detailed information and additional remarks about combinability.
48 TCGB0136 rev.1 - 05/2021
Maximum combination
capacity (HP)
2.7 3
3.6 4.6
4.5 5.75
5.4 6.9
3.6 4.6
4.5 5.75
5.4 6.9
Maximum Combination Minimum indoor unit
quantity
2
4
4
4
4
4
4
capacity (HP)
0.8
0.8
0.8
0.8
0.8
0.8
0.8