13
6.6.3. Connecting electrical accessories
With the existing accessories is possible to perform the fans control as well as the automatic
control in VAV (variable airfl ow) and COP (constant pressure) modes.
Recommended accessories depending on the unit size and the control mode
Model
Accessories for the
Variable Air Volume System for CO
2
Accessories for
constant pressure
operation
Accessories
for speed manual
control
Inverter
Sensor
Inverter
Probe
Electronic regulator
CAD COMPACT 500
CONTROL CAD-REG AIRSENS CO2 / SC02-AD 0-10V / SC02-G 0-10/V CONTROL AERO-REG** TDP-D*
REB-ECOWATT**
CAD COMPACT 900
CONTROL CAD-REG AIRSENS CO2 / SC02-AD 0-10V / SC02-G 0-10/V CONTROL AERO-REG** TDP-D*
REB-ECOWATT**
CAD COMPACT 1300 CONTROL CAD-REG AIRSENS CO2 / SC02-AD 0-10V / SC02-G 0-10/V CONTROL AERO-REG** TDP-D*
REB-ECOWATT**
CAD COMPACT 1800 CONTROL CAD-REG AIRSENS CO2 / SC02-AD 0-10V / SC02-G 0-10/V CONTROL AERO-REG** TDP-D*
REB-ECOWATT**
CAD COMPACT 3200 CONTROL CAD-REG AIRSENS CO2 / SC02-AD 0-10V / SC02-G 0-10/V CONTROL AERO-REG** TDP-D*
REB-ECOWATT**
CAD COMPACT 4500 CONTROL CAD-REG AIRSENS CO2 / SC02-AD 0-10V / SC02-G 0-10/V CONTROL AERO-REG** TDP-D*
REB-ECOWATT**
* For independent control of the working point of each circuit, the supply and extraction fans must be independently controlled by
regulator and pressure probe.
** For independent control of the working point of each circuit, the supply and extraction fans must be controlled with its corresponding
electronic regulator.
6.6.3.1. VAV control (Variable airfl ow), manual adjustment
It is possible to control in VAV mode manually with an external potentiometer. Manual control by
external potentiometer REB-ECOWATT (accessory).
6.6.3.1.1. Manual adjustment by REB-ECOWATT (accessory)
Simultaneous control of the supply and extract fans
10V
REB-ECOWATT
0-10V
0V
^ƵƉƉůLJĨĂŶ
džƚƌĂĐƚĨĂŶ
W/E<
'ZE
t,/d
z>>Kt
>h
EXTRACT
FAN
RELAY +
RELAY -
+10V
0-10V
GND
SUPPLY
FAN
W/E<
'ZE
t,/d
z>>Kt
>h
0-10V
0V
10V
REB-ECOWATT
+10V
RELAY +
RELAY -
0-10V
GND
