Hitachi YUTAKI M Bedienungsanleitung Seite 19

4.1 Power supply working range
◆ Nominal power supply
• Single phase: ~ 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 than 80%.
4.2 Temperature working range
MODEL
Water temperature
4.2.1 Space heating
60
50
45
40
30
20
10
0
-30 -25 -20
Ambient temperature (°C)
PMEN0647 rev.0 - 11/2023
-10 -5 0 10
2HP
°C Refer to the graphics for each case
Continuous working range
Start up only
20 25 30
4
3HP
11