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4.5. Electrical connections
Disconnect the electrical supply to the unit before carrying out any work.
Only personnel qualified to perform electrical work
installation and maintenance work.
Before connecting the unit to the network, ensure that the voltage matches that
indicated on the data plate (230 V/1-ph/50-60 Hz).
612
Coadis Line
W
V5
75
0.33
V4
45
0.20
V3
38
0.16
V2
28
0.12
V1
19
0.08
Circuit diagrams for customer applications should be based on the diagrams supplied:
- Unit wiring for 2-tube systems , without condensate pump (Fig. 10).
- Unit wiring for 4-tube systems , without condensate pump (Fig. 11).
- Unit wiring for 2-tube systems with an electric heater using 2 heating elements,
without condensate pump (P=900 or 1200W max) (Fig. 12).
if necessary, the output of the 300W electric heater can be reduced by
removing the shunt positioned between terminals 8 and 9.
CIAT recommends using a system that controls the unit in relation to the temperature
of the water (to actuate the valve(s)) and the use of an electric heater.
All electrical connections are fed into the electrics box marked with the symbol
The electrics box is equipped with a cable grommet to facilitate the routing of the
cables to the terminal block.
Use a screwdriver to undo, but not remove, the lateral retaining screw on the
electrical box casing (Fig. 13 - a).
Always use a screwdriver when performing cabling operations.
COADIS LINE offers a choice between two types of motor technology:
Asynchronous and Brushless (low consumption).
AC Asynchronous Motor
622 - 624
632 -634
A
W
A
W
75
0.33
98
45
0.20
73
38
0.16
59
28
0.12
48
19
0.08
35
may
HEE Brushless Motor
612
622 - 624
Input power
A
W
A
W
0.43
35
0.18
36
0.32
15
0.09
14
0.26
11
0.07
10
0.21
7
0.04
7
0.15
5
0.02
5
carry
out
632 -634
A
W
A
0.18
57
0.40
0.09
32
0.28
0.07
22
0.17
0.04
15
0.13
0.02
9
0.10
.
N 12.59C
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