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English
connections.
Also check the supply voltage and frequency of the indoor
unit.
7 - elecTrIcal connecTIonS (fIg. 14)
All field electrical connections are the responsibility of
the installer.
WARnInG: Make water connections before electrical
connections.
Make ground connection prior to any other electrical
Unit
EREBA
4H
6H
8H
12H
15H
12HT
15HT
power supply
V- ph - Hz
230 - 1 -50
400 - 3N - 50
Allowable Voltage Range
V
207 ÷ 253
376 ÷ 424
maximum power drawn
kW
1.65
2.0
2.7
3.85
4.2
6.5
6.5
maximum current drawn
A
9
11
14.5
20.7
22.6
11.1
11.1
Power Fuses
Type
gL Type
Current
A
10 - Type B 16 - Type B 16 - Type B 25 - Type D
25 - Type D
16 - Type B 16 - Type B
power supply cables
mm²
H07RN-F 3 x 2.5mm2
H07RN-F 5 x 2.5mm2
maximum current external
Pump Circulation
A
2
Use cables H03VV-F 4x0.75 mm
2
to connect the control to wire NUI
Also check the supply voltage and frequency of the indoor unit.
The unit can be controlled and set via:
• User Comfort Interface wire control CS1B (optional)
For the electrical connections refer to Figure 14, while, for
use, refer to the respective manuals.
nOTe: The quality of the contacts must be greater than
25mA @ 12V.
Remove the front panel, the electric parts appear at the
front side.
The power supply cables can be inserted into the pipe
holes. Be sure to fix the power cable with bundling band
sold in the market so that they do not make contact with
the compressor and the hot pipes.
To ensure good tensile strength, the electric cables must be
fastened using the cable-holder on the plate.
(Only for sizes 12 and 15 use the strain relief supplied with
the unit). See fig 13 for power supply cabling.
Wired control
For installation of wired remote controller please refer to the control installation manual.
Power supply
Size the cable, the cables must be H07 RN-F type.
According to the installation instructions, all devices for disconnection from the power supply mains must have a contact opening (4 mm) to
allow total disconnection according to the conditions provided for the overvoltage class III.
To prevent any risk, the power cable must only be replaced by the technicians of the after-sales service.
WARNING
For the 3Ph units be sure to attach the provided clamp filter (11) to the power supply wire in order to conform to EMC standard. (See fig 14).
