Electrical Connection; Wiring Size - Hitachi YUTAKI S Series Installation And Operation Manual

6.2

Electrical connection

!
CAUTION
• Check to ensure that the field supplied electrical components (mains power switches, circuit
breakers, wires, connectors and wire terminals) have been properly selected according to the
electrical data indicated on this chapter and they comply with national and local codes. If it is
necessary, contact with your local authority in regards to standards, rules, regulations, etc.
• Use a dedicated power circuit for the indoor unit. Do not use a power circuit shared with the
outdoor unit or any other appliance.
6.2.1 Wiring size
Use wires which are not lighter than the polychloroprene sheathed flexible cord (code designation
60245 IEC 57).
Model Power supply
~ 230V 50Hz
3N~ 400V
50Hz

NOTE
The data corresponding to DHW tank heater is calculated in combination with the domestic hot
water tank accessory "DHWT‑(200/300)S‑3.0H2E".
PMEN0643 rev.0 - 04/2023
Operation mode
Without electric heaters
With electric heater
With DHW tank heater
With electric and DHW tank
heaters
Without electric heaters
With electric heater
With DHW tank heater
With electric and DHW tank
heaters
Power supply
Maximum
cables
current
(A)
EN60335‑1
0.6 2 x 0.75 mm + GND
2
13.7 2 x 2.5 mm + GND
2
12.6 2 x 2.5 mm + GND
2
25.6 2 x 6.0 mm + GND
2
0.6 4 x 0.75 mm + GND
2
5 4 x 2.5 mm + GND
2
12.6 4 x 2.5 mm + GND
2
16.9 4 x 6.0 mm + GND
2
Transmitting Actuator
cables cables
EN60335‑1 EN60335‑1
2 x
2 x
0.75 mm
2
0.75 mm
2
(Shielded
+ GND
cable)
32
6