Working Range; Power Supply; Temperature Working Range - Hitachi UTOPIA R32 Series Technical Catalogue

6 Working range

Working range
6.1 Working range

6.1.1 Power supply

Nominal power supply:
Single phase: 1~ 230V 50Hz / Three phase: 3N~ 400V 50Hz
Operating voltage
Between 90 and 110% of the nominal voltage.
Voltage imbalance for nominal power supply 3N~ 400V 50Hz
Up to 3% of each phase, measured at the main terminal of the outdoor unit.
Starting voltage
Always higher than 85% of the nominal voltage.
Relative Humidity limit
Lower that 80%

6.1.2 Temperature working range

The new UTOPIA series has been designed for the following temperatures.
Indoor side air inlet temperature
Outdoor side air inlet temperature
N O T E
DB: Dry Bulb; WB: Wet Bulb.
Cooling mode for UTOPIA Prime
?
N O T E
The outdoor ambient temperature limit is extended down from -5ºC to -15ºC under special DSW configuration for low temperature (see
chapter 6.1.3 Special DSW configuration for low ambient temperature (-15ºC) - only for simultaneous operation mode units (UTOPIA
Prime).
Cooling mode for UTOPIA IVX Prime
68 TCGB0136 rev.1 - 05/2021
Minimum
21 ºC DB / 15 ºC WB
Maximum 32 ºC DB / 23 ºC WB
-15 ºC DB - Simultaneous operation mode
Minimum
-5 °C DB - Individual operation mode
46 ºC DB - for external static pressure 0Pa,
Maximum
otherwise outdoor temp: 43 ºC DB
46
Working range
-5
Indoor side air inlet temperature
46
Working range
-5
Indoor side air inlet temperature
Cooling mode Heating mode
15 ºC DB
27 ºC DB
-20 ºC WB
18 ºC WB