Hitachi YUTAKI S COMBI Series Installation And Operation Manual

16
PMEN0645 rev.0 - 04/2023
4
POWER SUPPLY WORKING RANGE
WORKING RANGE
4.1 Power supply working range
◆ Nominal power supply
• Single phase: ~ 230V 50Hz
• Three phase: 3N~ 400V 50Hz
◆ Operang 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.
◆ Starng voltage
Always higher than 85% of the nominal voltage.
4.2 R32 Temperature working range
MODEL
1.5HP
2.0HP
2.5HP
3.0HP
Water temperature
°C
Refer to the graphics for each case
Indoor ambient temperature 5~30
4.2.1 Space heang
Marked areas with and only
available if back-up heater is enabled.
0
10
20
30
40
45
50
60
-30-20
-25
-100 10
-5
20
25
30
Outlet water temperature (°C)
Ambient temperature (°C)
Connuous working range
Starng heat pump + back up heater
Starng only back-up heater
operaon

Hitachi YUTAKI S COMBI Series Specifications

General

Type	Air-to-Water Heat Pump
Energy Efficiency Class (Cooling)	A++
Refrigerant	R32
Operating Temperature Range (Heating)	-20°C to 35°C
Energy Efficiency Class (Heating)	A+++
Integrated DHW Tank	190 liters
Dimensions (Indoor Unit)	Varies by model
Dimensions (Outdoor Unit)	Varies by model
Weight (Indoor Unit)	Varies by model
Weight (Outdoor Unit)	Varies by model
Operating Temperature Range (Cooling)	+10°C to +46°C