Electrical Connection; External Touch Display (Etd) Control Connection - S&P CADB-HE BASIC Series Manual

Heat recovery unit with integrated control
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6.5.3. Electrical connection

In the recovery unit CADB/T-HE BASIC range, all components integrated into the device, are
supplied into the electrical panel (motors, pressure fi lters, motor pressure switches, temperature
sensors and by-pass damper).
The electrical connection is limited to the connection of control terminal (10 m. of supplied cable)
and possible electrical accessories as such as CO
supply line.
Make electrical connection in accordance to the described in the corresponding wiring diagram,
found at the end of this manual.

6.5.3.1. External Touch Display (ETD) control connection

The remote control is supplied with a 10 meter long cable, and it can be replaced by a cable up to
50 meters (minimum control cable type. H05VV-F-4G 0.25). The connection between the control
and the control board must be carried out according to the following scheme:
The ETD control has an electrical protection IP-20 degree, so it is valid; it is reserved exclusively
for an indoor usage sheltered from moisture.
In case of an outdoor mounting of the CADB/T-HE unit OI, you can also leave it inside the housing
of the electrical box. Once the parameter setting is done, the remote control can be disconnected.
Placement of the support and the remote control:
The integration in Modbus networks and the use of the remote controller are not compatible.
The wiring of the RS-485 net is connected at the same terminals used for the remote hand ter-
minal plug.
14
Condensation connection
104
sensors and fi nally the connection of the power
2
30
4
60

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