c-pro 3 NODE kilo AHU

c-pro 3 NODE kilo AHU

Controller for single or double flow air handling units with seasonal (with 1 coil) and annual (with 2 coils) operation
c-pro 3 NODE kilo AHU is a controller for managing single or dual-flow (with heat recovery) air handling units operating with 1 or 2 treatment coils. The coils can be electrical, water-activated or direct expansion.
It is available in blind version with a possible remote user interface Vroom or Vcolor; Vroom incorporates a temperature and humidity sensor (whose readings can be transmitted via BUS).
The controller is able to manage the return fan and the supply fan independently (up to 3 speeds or modulating); it is also able to manage the external damper, the bypass damper and the mixing chamber damper.
It can manage the humidifier (both “on-off” and modulating) and the ventilation modulation, according to the supply static pressure and according to the room air quality.
The variety of available communication ports (RS-485, CAN, USB and Ethernet) and supported communication protocols promotes the integration of the controller in systems.
Installation is on DIN rail, into a control panel.
Technical sheet
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Advantages & Main Features

Variety of controllable air handling units.
Independent management of the return fan and the supply fan (up to 3 speeds or modulating).
Management of the external damper, the bypass damper and the mixing chamber damper.
Variety of communication ports (RS-485, CAN, USB and Ethernet) and supported communication protocols, to make the integration of the devices in systems easier.
Humidifier management (both “on-off” and modulating).
Management of the ventilation modulation according to the supply static pressure.
Management of the ventilation modulation according to the room air quality.
OEM-oriented controllers.
Remote user interface with integrated temperature and humidity sensor (whose readings can be transmitted via BUS).

Technical Features

Controller for single or double flow air handling units with seasonal (with 1 coil) and annual (with 2 coils) operation

c-pro 3 NODE kilo AHUVroomVcolor
EPU2BXP1AHEPV4RBREPV4CBR1AH01
Version
blind  
built-in LCD (128 x 64 pixel single colour LCD graphic display)  
Built-in TFT (320 x 240 pixel touch-screen colour graphic display)  
Connections
removable screw terminal blocks
Power supply
24 VAC/DC not isolated
Communication ports
TTL for programming  
MODBUS slave RS-485  
MODBUS master/slave RS-485 
CANBUS CAN
USB 
Ethernet (MODBUS TCP, Web Server)  
Other features
real time clock
alarm buzzer 
  
Notes
None.
  
Available options
None.

I/O configuration

The following chart shows an example of ready for use configuration for double flow air handling units with annual (with 2 coils, by water reversible and electric heating) operation, with both modulating return and supply fan; it is possible to customize the I/O configuration.

c-pro 3 NODE kilo AHUVroom
Analog inputs
AI1supply temperature 
AI2outdoor temperature 
AI3... AI10not usedX 
AI1... AI2not used X
Digital inputs
DI1supply fan thermal switch 
DI2external damper limit switch 
DI3return fan thermal switch 
DI4antifreeze switch 
DI5heating coil (electric) thermal switch 
DI6differential pressure switch 
DI7... DI13not usedX 
Analog outputs
AO1reversible coil (water) mixing valve 
AO2supply fan 
AO3return fan 
AO4... AO6not usedX 
Digital outputs (electromechanical relays)
DO1supply fan enabling 
DO2external damper 
DO3return fan enabling 
DO4bypass damper 
DO5heating coil (electric) 
DO6... DO11not usedX 
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