2.7.2 - Indoor unit electric connection (Figure 29a)
a. Remove the panel (21)
b. Unscrew the screw and remove the protection (22).
c. Connect the cables to the terminal board (23) as illustrated in figure 48.
d. Wrap the cables not connected to the terminals in electrician's tape, in a way that they cannot
touch any electric component.
e. Block the cable (28) using the cable tie (29).
Key (figure 29a)
21 Panel
22 Terminal board lid
23 Indoor unit terminal board
24 Connection cable to the outdoor unit
25 Cable tie
2.7.3 - Outdoor unit electric connection (Figure 29b)
a. Loosen the screw (27) and remove the electric control board protection (26) of the outdoor unit.
b. Connect the cables to the terminal board (30) following the identification numbers on the terminal board
of the indoor and outdoor units.
c. To prevent the entry of water, form a loop with the connection cable, as shown in the installation diagram
of the indoor and outdoor units.
d. Insulate unused wires (conductors) using electrician's tape. Make sure they do not touch electric or metal
parts.
e. Block the cable (29) using the cable tie (31).
Key (figure 29)
26 Protection
27 Screw
28 Connection cable to the indoor unit
29 Cable tie
30 Outdoor unit terminal board
The earth cable must be fixed to the dedicated terminal, present in the electric
connections compartment of the indoor unit.
2.7.4 - Electric connection
Before connecting the air conditioner, make sure that:
a. The power supply voltage and frequency values respect that specified on the appliance data
plate.
b. The power supply line has an effective earth connection and it is correctly dimensioned for
maximum absorption of the climate control unit.
c. To select the minimum section of the power supply cable, refer to the table below.
Outdoor Unit
Model
DUAL 1x2
TRIAL 1x3
Number of power supply
cable poles
3
3
Minimum section of the electric power
supply cable
1,5 mm
2
1,5 mm
2
Recommended
fuse
12A
15A
EN - 27
ARYAL S1 E