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3.1 Humidifi er electrical connections
Important :
Important
•
before proceeding with the electrical connections, ensure that the
control panel – humidifi er system is disconnected from the mains
power supply;
•
make sure that the power supply voltage of the control panel
corresponds to the value indicated in the rated data.
To power up the humidifi er, connect the cables running from the
electrical panel:
1.
+48 Vdc/ -48 Vdc from the power supply;
2.
+24 Vac/ -24 Vac from the transformer;
3.
the power cable for the lights ("Secondary" electrical panel only);
4.
the cable for the signal lights ("Secondary" electrical panel) or RS485
serial line ("Main" electrical panel).
After having removed the screws (A), remove the side cover (B) and run
the cables through the cable glands on the case and inside the unit
(C). Then make the electrical connections (D) and reposition the cover,
repeating the same operations in reverse.
A
B
D
Note: to avoid unwanted interference, power cables should be kept
separate from probe signal cables.
"humiSonic ventilation" +0300063EN - rel. 1.3 - 14.05.2021
3. ELECTRICAL CONNECTIONS
C
Fig. 3.a
DIPSWITCH CONFIGURATION
The dipswitches are located on the humidifi er control board. These must
be set before starting the humidifi er.
ON
1
2
3
4
Key
Communication
1
OFF: Carel/Modbus Serial 485
ON: Reserved
2-3
Reserved
Serial 485 / tLAN baud rate
OFF: 19200
4
ON: 9600
5-6
Reserved
7
Reserved
Transducer production management
OFF: --> parallel
8
ON: --> series
12
5
6
7
8
Fig. 3.b
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