17
INStAllAtION
—
unscrew the fastening screws
—
remove the terminal board cover panel
1
Connection cable to outdoor unit
2
Wire retainer
3
Terminal
2
1
3
—
remove the wire retainer
—
make the electric connections according to the diagrams
on the installation booklet of the matching outdoor unit
9
It is compulsory to use ring crimp terminals to connect to the
terminal board.
For the sizing of the electrical power cables and safety devices,
use the following table:
Model
20
25
35
50
70
Electrical characteristics
Power supply
230/1/50
V/Ph/
Hz
Power cable
H07RN-F
Type
Power cable
3 x 1,5
3 x 2,5
n. x
mm²
Signal cable
1 x 1
n. x
mm²
9
The cable sections specified in the table are minimum re-
quirements. The correct size must be calculated taking in-
to account the actual length, the type of routing and other
conditions set by the existing regulations.
—
fasten the wires with the wire retainer
—
complete the electric connections and refit all components
by performing the described operations in reverse order
Mandatory items:
—
connect the device to a properly functioning earthing sys-
tem
—
for any electrical intervention, always refer to the wiring
diagrams contained within this booklet
—
take anti-static precautions in case of weather conditions
where humidity is less than 40%
9
Electric connections shall be made in compliance with na-
tional regulations.
9
Avoid placing the connection cables less than 1 metre away
from radio and video systems.
9
Avoid using mobile phones.
0
It is forbidden to earth the device together with pipes,
lightning conductors or the earthing system of a telephone
line. Using an improper earthing system can cause electric
shocks.
2.15
Remote control
Control, setting and programming operations are carried out
with the IR remote control.
The electronics modulates the device operation according to the
temperatures detected by the probes inside the indoor and out-
door units.
Battery insertion
The remote control is powered by two 1.5V AAA batteries that
must be inserted into its rear side and protected by a cover.
To insert the batteries:
—
remove the cover by pressing it down and lifting it up
—
insert the batteries respecting the polarities
—
put the cover back in place
9
Two 1.5V AAA batteries are supplied with the unit for its first
set-up.
function keys
The remote control features a small door in the key area:
