Wiring Diagram And Internal Board - S&P CTB ECOWATT Installation Manual. Instructions For Use

IMPORTANT
At the bottom of the control box, two tubes (marked as "V" and "P") come from the inside part of the fan. As the fan is
supplied as constant pressure mode (COP), tube "P" is connected and "V" disconnected and blocked with a plastic stopper.
To keep this confi guration unless chapter 6.6.3. is previously ridden.

4.2. WIRING DIAGRAM AND INTERNAL BOARD

Inputs Description
L, N, GND (J1) Power supply. 220-230 V AC 50 Hz
Pressure tap 1
Tap to connect duct pressure depending on operation mode
Pressure tap 2
Connector (J4) Input to connect with programming schedule TIMER RTC ECOWATT accessory
0V, IN, +24V (J5) Analog input IN1 4-20 mA ó 0-10V
0V, IN, +24V (J6) Analog input IN2 4-20 mA ó 0-10V
RJ45 (J9) PROSYS ECOWATT accessory console connection
IND (J11) Digital input for night operation of MIN/MAX function mode
If open, the fan works in night speed or minimum speed when relay is closed
If close, the fan works in night speed or minimum speed when relay is opened
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