System Wiring Diagram - Hitachi RWM-2.5NE Instruction Manual

ELECTRICAL AND CONTROL SETTINGS

5.2 SYSTEM WIRING DIAGRAM

Connect the units according to the following electric diagram:
:
TB Terminal board
:
CB Circuit breaker
:
ELB Earth leakage breaker
:
Internal wiring
5.3 WIRING SIZE AND MINIMUM REQUIREMENTS OF THE PROTECTION DEVICES
!
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.
Use wires which are not lighter than the polychloroprene sheathed flexible cord (code designation 60245 IEC 57).
Power
Model
supply
1~ 230V
RWM-(2.0-3.0)NE
50Hz
1~ 230V
50Hz
RWM-(4.0-6.0)NE
3N~ 400V
50Hz
3N~ 400V
RWM-(8.0/10.0)NE
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".
12 PMML0336B rev.1 - 03/2016
1,2
Outdoor unit
RAS-WHVNP(E)
(Twisted shielded pair cable or shielded pair cable)
DC5V (Non-Pole Transmission, H-LINK system)
YUTAKI S
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
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
:
Field wiring
:
Field-supplied
:
Outdoor-Indoor communication
Operating Line
Power supply
Max
cables
current
(A)
EN60335-1
0.2 2 x 0.75 mm² + GND
15 2 x 2.5 mm² + GND
15 2 x 2.5 mm² + GND
29 2 x 6.0 mm² + GND
0.3 2 x 0.75 mm² + GND
29 2 x 6.0 mm² + GND
15 2 x 2.5 mm² + GND
43 2 x 10.0 mm² + GND
0.3 4 x 0.75mm² + GND
10 4 x 2.5 mm² + GND
15 4 x 2.5 mm² + GND
24 4 x 6.0 mm² + GND
0.6 4 x 0.75 mm² + GND
15 4 x 4.0 mm² + GND
15 4 x 2.5 mm² + GND
29 4 x 6.0 mm² + GND
Outdoor unit
Operating Line
RAS-WHNPE
(Twisted
shielded pair
cable or shielded
pair cable)
DC5V (Non-Pole
Transmission,
H-LINK system)
YUTAKI S
Transmitting
ELB
CB
cables
(nº of poles/A/
(A)
mA)
EN60335-1
5
16
2/40/30
16
32
5
32 2/40/30
16
50 2/63/30
2 x 0.75 mm
2
5
15
4/40/30
15
25
5
20
4/40/30
15
30