Wiring Diagram And Internal Board - S&P CTBH ECOWATT Manual

4. 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
RJ45 (J9) PROSYS CTBH accessory console connection
Outputs Description
Internal board power supply passing through ON/OFF switch (Factory wired)
GND, N, (J2)
RELÉ (J3) Commutate if any alarm is activated (2A maximum load)
0V, +V (J7) Output analog signal 0-10V to the motor
TACOM (J8) Pulse motor
A, B (J10) Network connection. Modbus protocol
RS485 (J12) Network connection. Modbus protocol
Micro switches Description
SW1 End of line resistor. Exclusive use for Modbus communication network
SW2 SW2-2: enable channel change
EN
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