28
Instruction for the installer
ON-OFF digital room controller connection (optional)
-
Gain access to the terminal strip Y2
-
Remove the existing jumper positioned between the termi-
nals 3-4 and in its place connect the RT cable, making it
pass through an extractible grommet available on the con-
trol box.
DANGER!
Switch off and disconnect the electricity
supply before carrying out any operations on
the electrical parts.
A4
A3
A2
A5
A1
A6
A8
Y1
Y2
1L 2N
1
2
3
4
5
6
7
A11
3
4
TA
Modulating RT/OT digital room controller connection (optional)
-
Gain access to the terminal strip Y1
-
Connect the TA modulating cable to the terminals
4-5
of the
terminal strip Y1, making them pass through an extractible
grommet available on the control box.
-
Remove the jumper positioned between the terminals
3-4
on the terminal strip
Y2
.
DANGER!
Switch off and disconnect the electricity
supply before carrying out any operations on
the electrical parts.
A4
A3
A2
A5
A1
A6
A8
Y1
Y2
1L 2N
1
2
3
4
5
6
7
A11
1
2
3
3
4
1
0
2
3
24
18
6
12
RT/OT
WARNING!
The modulating room controllers must be
supplied by Unical.