Condensate Drainage; Electrical Connection; External Touch Display (Etd) Control Connection - S&P CADB/T-HE PRO-REG Series Instruction Manual

6.5.1.3. Condensate drainage

The units are supplied with 2 drains (one for each circuit). For added security it has to connect
two drains to the condensate discharge pipe. This connection must be made through a pipe of
22 mm of inner diameter and a fl ange for secure fi xation.
Drainage system
• To ensure the removal of draining condensate from the tray a siphon must be installed with
pressure head difference in mmWG greater than the pressure provided by the fan.
• The horizontal sections should have a minimum slope of 2%.
Condensation connection

6.5.2. Electrical connection

In the recovery unit PRO-REG range, all components integrated into the device, are supplied into
the electrical panel (motors, pressure fi lters, motor pressure switches, temperature sensors,
batteries and by-pass damper).
The electrical connection is limited to the connection of control terminal (10 m. of supplied ca-
ble) and possible electrical accessories as such as CO sensors or control valves for water coils,
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and fi nally the connection of the power supply line.
Make electrical connection in accordance with the described in the corresponding wiring dia-
gram, found at the end of this manual.

6.5.2.1. External Touch Display (ETD) control connection

The ETD control must be connected to the controller with a 4 wires shielded twisted-wire pair
cable of 100 m max length. 4P4C connector is reserved for ETD.
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