12
6.6.3.1. VAV control (Variable airflow), manual adjustment
It is possible to control in VAV mode manually with an external potentiometer. Manual control by external poten-
tiometer REB-ECOWATT (accessory).
6.6.3.1.1. Manual adjustment by REB-ECOWATT (accessory)
Simultaneous control of the supply and extract fans
RELAY +
0-10V
0V
10V
WHITE
YELLOW
WHITE
YELLOW
Extract fan
RELAY -
+10V
0-10V
GND
BLUE
PINK
EXTRACT
GREEN
FAN
SUPPLY
FAN
PINK
GREEN
BLUE
+10V
RELAY +
RELAY -
0-10V
GND
Supply fan
REB-ECOWATT
Independent control of supply and extract fans
10V
REB-ECOWATT
0-10V
0V
Supply fan
Extract fan
PINK
GREEN
WHITE
YELLOW
BLUE
EXTRACT
FAN
RELAY +
RELAY -
+10V
0-10V
GND
SUPPLY
FAN
PINK
GREEN
WHITE
YELLOW
BLUE
0-10V
0V
10V
REB-ECOWATT
+10V
RELAY +
RELAY -
0-10V
GND
6.6.3.2. VAV Control (variable airflow), with CO
2
sensor or similar
CAD-COMPACT units are equipped with EC motors. The motors have specific terminals for sending a regulation
signal to control fan speed (0-10V). The 0V signal corresponds to the fan stop, while the signal of 10V corresponds
to fan maximum speed.
To perform the speed regulation in VAV with speed control with external sensor of CO2 or similar, it is necessary
to use the accessory CONTROL CAD-REG and the external sensor (see point 7.5.2.4.). In the CONTROL CAD-REG
instruction booklet it is contained the necessary information to carry on the electrical connection of the different
components.
Summary of Contents for CAD-COMPACT 500
Page 1: ...EN CAD COMPACT ECOWATT...
