Hitachi YUTAKI S COMBI Series Installation And Operation Manual

53
PMEN0645 rev.0 - 04/2023
6
TERMINALBOARDCONNECTIONS
ELECTRICAL AND CONTROL SETTINGS
Output terminals (Oponal output funcons)
◆ 3 Way valve for Swimming pool (Default for Output 1)
YUTAKI units can be used to heat the water of a swimming pool. The signal is used on a 3‑way
motorized diverng valve and to provide control of supply water ow for the swimming pool. This
output is available when the funcon is enabled from the Unit controller.
Using the appropriate wiring, connect the valve cables as shown in the previous picture.
(N)
M
(L)
33
(C)
Brown Black
Blue
34
35
3WV / SWP
Output 1
Valve requirements:
• Power supply: 230V AC 50Hz
• Maximum running current: 100mA
◆ Water pump 3 (Default for Output 2)
When the boiler is congured with the heat pump or needs an addional pump for the system, a
hydraulic separator or buer tank must be used to ensure a correct hydraulic balance
34
(N)
M
36
(L)
Water pump III
(Output 2)
◆ Auxiliary boiler or heater (Default for Output 3)
The auxiliary boiler or heater can be used when the heat pump cannot achieve the require
temperature by itself.
Auxiliary
Heat
Free contact
37 38

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