Hitachi YUTAKI M R32 Series - Page 78

78
PMML0600 rev.0 - 06/2022
6
OPTIONAL UNIT WIRING FOR ACCESSORIES
ELECTRICAL AND CONTROL SETTINGS
◆ 3 Way valve for DHW tank output
YUTAKI units can be used to heat DHW. The signal is used on a 3-way motorized diverting valve
and to provide control of supply water ow (water ow for space heating when there is no signal,
and water ow for DHW when signal is ON)
M
(L)
(N)
32
(C)
Brown
Black Blue
33
34
3WV DHW
Valve requirements:
Power supply: 230V AC 50Hz
Maximum running current: 100mA
Output terminals (Optional output functions)
◆ 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 diverting valve and to provide control of supply water ow for the swimming pool.
This output is available when the function 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 additional 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)