Ariston NIMBUS PLUS M NET Manual page 72

Power supplies of the indoor and the outdoor units are to be respectively connected to a Residual Current operated Circuit-Breaker
(RCCB) with threshold of 30mA. For inverter driven units (outdoor unit), it is advisable the use of type B residual current device for 3Ph
power supplies and type B or F for 1Ph power supplies (depending on the electrical system to which it is connected). For the units
without inverter, (indoor units) a type A Residual current device is sufficient. The type of connection must in any case be carried out in
a workmanlike manner by qualified personnel in compliance with the national regulations in force.
INTERNAL UNIT
Electrical supply
Admitted voltages field
Rated power input
Max current
Thermal cutout - Circuit breaker
Differential circuit breaker size (RCCB)
Supply cable dimensions *
Wiring signal EDF, AFR, PV
EBUS 2 cable
* Cable length < 20m
Note: It is strongly recommended to separate the supply cables from the communication cables.
Note: To avoid interference problems in the connection between the EBUS 2 cable from the internal unit to the external unit, use a shielded cable.
72 / GB
WH – 1 ZONE
V - ph - Hz 230 - 1 -50
V 196 ÷ 253
kW 4
A 19.1
A 25 - C type
mA
Reference
Min. cables section 3G6
Max diameter [mm] 18
Recommended cables
3G6
section
Max diameter [mm] 18
mm 2
mm 2
WH – 2 ZONE
400 - 3 -50 230 - 1 -50 400 - 3 -50
340 ÷ 440 196 ÷ 253 340 ÷ 440
4 4
9.6 19.1
12-C type 12-C type
25 - C type
13-C type 13-C type
30 - A type
H07RN-F
5G2.5 3G6 5G2.5
17 18
5G4 3G6
19.9 18
H05RN-F 2 x 0.75 mm
H05RN-F 2 x 0.75 mm
WH - L
230 - 1 -50 400 - 3 -50
196 ÷ 253 340 ÷ 440
4 6 6
9.6 30 9.6
12-C type
32 - C type
13-C type
3G6 5G2.5
17 18 17
5G4 3G6 5G4
19.9 18 19.9
2
2