Electric Connection To The Indoor Unit; Electric Connection To The Outdoor Unit - Vaillant VAI 6-025 WN Manual De Instalación

• Make the Air to Air heat pumps unit power supply
connection at the main power distribution. Carry out the
distribution with low impedance. Normally the required
impedance is reached at a 32 A fusing point.
• Check that no other equipment is connected to this power
supply line.
NOTE!
i
For more detailed information on the electric
installation, please consult the Technical Connec-
tion Conditions applied by your electricity supply
board.
i NOTE!
In order to obtain more information with regard to
power details of the air conditioner consult the
unit rating plate.
11.3

Electric connection to the indoor unit

a WARNING!
• Danger of breakdowns or malfunction. If the
fuse on the PC board is blown please change
it with type T. 3,15A/250V.
Fig. 11.1 Electric connection to the indoor unit.
- Open the front lid on the indoor unit by pulling upwards on
it.
- Remove the wiring cover on the right of the body by
unscrewing it.
VAI 6 WN-I_EN - 06/14 - Vaillant
- Insert the cable from outside through the hole in
the indoor unit where the refrigerant pipe is already
connected.
- Pass the electrical cable from the rear of the indoor
unit through the specific hole in the front. Connect the
cables in the indoor unit terminal space according to the
corresponding connection layout. Figure 11.3.
- Check that the cables are correctly secured and
connected. Then mount the wiring cover.
11.4

Electric connection to the outdoor unit

a WARNING!
Danger of breakdowns or malfunction.
• If the fuse on the PC board is blown please
change it with type T. 25A/250V.
Fig. 11.2 Electric connection to the outdoor unit.
• Remove the protective covering in front of the electrical
connections in the outdoor unit.
• Loosen the screws in the cable retainer and fully insert the
cable ensuring the cable sheath extends past the cable
retainer before tightening the screws to clamp the cable.
a WARNING!
Danger of malfunction and breakdowns resul-
ting from water penetration.
• Always terminate the interconnecting cable
from below the cable entry to avoid water
penetration into the terminal box.
INSTALLATION
EN
15