Hitachi YUTAKI S Series Technical Catalogue page 119

9 Electrical and control settings
Electrical connection
9.3 Electrical connection
!
C A U T I O N
• 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.
9.3.1 Wiring size
Use wires which are not lighter than the polychloroprene sheathed flexible cord (code designation 60245 IEC 57).

Split system - Outdoor unit
Power supply
Model
RAS-2WHVRP
RAS-2.5WHVRP 1~ 230V 50Hz
RAS-3WHVRP

Split system - Indoor unit
YUTAKI S
Power
Model
supply
RWM-(2.0-3.0) 1~ 230V
NRE(-W) 50Hz
?
N O T E
The data corresponding to DHW tank heater is calculated in combination with the domestic hot water tank accessory "DHWT-(200/300)
S-3.0H2E".
YUTAKI S COMBI
Power
Model
supply
RWD-(2.0-3.0)
NRW(S) 1~230V
E-(200/260)S(-K) 50Hz
(-W)

Monobloc system - YUTAKI M
Power
Model
supply
RASM-2VRE
1~ 230V
50Hz
RASM-3VRE
?
N O T E
The data corresponding to DHW tank heater is calculated in combination with the domestic hot water tank accessory "DHWT-(200/300)S-3.0H2E".
111 TCGB0123 rev.2 - 10/2019
Power supply cables
Max. current
(A)
10.4
12.9
15.8
Operation mode
Without electric heaters
With electric heater
With DHW tank heater
With electric and DHW tank heaters
Operation mode
Without electric heaters
With electric heater
With DHW tank heater
With electric and DHW tank heaters
Operation mode
Without DHW tank heater
With DHW tank heater
Without DHW tank heater
With DHW tank heater
Transmitting cables
EN60335-1 EN60335-1
2 x 2.5 mm + GND
2
2 x 0.75 mm
2 x 2.5 mm + GND
2
(*Shielded cable)
2 x 4.0 mm + GND
2
Power supply
Max.
cables
current
(A)
EN60335-1
0.2 2 x 0.75 mm + GND
2
14.6 2 x 2.5 mm + GND
2
14.6 2 x 2.5 mm + GND
2
28.9 2 x 6.0 mm + GND
2
Power supply
Max.
cables
current
(A)
EN60335-1
0.2 2 x 0.75 mm + GND
2
14.6 2 x 2.5 mm + GND
2
12.7 2 x 2.5 mm + GND
2
27.1 2 x 6.0 mm + GND
2
Max.
Power supply cables
current
(A)
EN60335-1
10.6 2 x 2.5 mm + GND
2
23.1 2 x 6.0 mm + GND
2 2
16.0 2 x 4.0 mm + GND
2
28.5 2 x 6.0 mm + GND
2
Actuator cables
EN60335-1
2
2 x 0.75 mm + GND
2
Transmitting Actuator
cables cables
EN60335-1 EN60335-1
2 x 0.75mm
2
2 x 0.75 mm
2
+ GND
Transmitting Actuator
cables cables
EN60335-1 EN60335-1
2 x 0.75 mm
2
2 x 0.75 mm
2
+ GND
Transmitting Actuator
cables cables
EN60335-1 EN60335-1
2 x 0.75 mm
2
2 x 0.75 mm
2
+ GND
9