EXact2

• Easy to operate

• 3 user levels, 2 of which require access via a 4-digit code (technician and specialist)

• Several indoor climate levels, e.g. via intregral weekly timer, with options such as on-demand ventilation

Summary of features

• Filter monitor

• Regulation of rotor rotation

• Temperature sensors

  • In the extract air spigot to measure/control room temperature

  • In the exhaust air spigot to measure exhaust air temperature

  • In the outdoor air spigot for outdoor air temperature compensation and night-time cooling

  • In the supply air spigot to measure/control supply air temperature

  • Duct temperature sensor (accessory)

  • Room temperature sensor (accessory)

• Overheating protection

• Fire alarm ((accessory)

• Closing damper - outdoor air (requirement for water heating coil) (accessory)

• Closing damper - exhaust air (accessory)

• Temperature adjustment

  • Regulation of the supply air temperature

  • Regulation of the room temperature

• Compensation functions

  • Outdoor air temperature compensation

  • Airflow reduction

  • Outdoor airflow compensation

  • Summertime compensation

  • CO2 compensation (accessory)

  • Humidity compensation (accessory)

• Night-time cooling

• Remote control

• Weekly timer

• Web server (accessory)

• Bus communication (requires web server)

  • Modbus TCP/IP

  • LONWORKS®

• Cooling recovery

• Constant pressure control (accessory)

• Motion sensor (PIR) (accessory)

• Airflow measurement

• Indoor climate levels

  • Timer-controlled (comfort, standby, economy, off)

  • Manual

• Trim damper for cleanblowing (accessory)

• Alarm log

• Timers

• Alarm relay

  • External heating coil

• Temperature sensors

  • In the supply air duct to measure/control supply air temperature

  • On the return pipe from the water heating coil to keep the heating coil warm and protect it from this

  • To protect external piping linked to the heating coil from icing (additional purchase)

  • Temperature sensor on supply pipe to water heating coil

• Modulating motor valve

  • Control of the heating coil circulation pump

  • Heat retention function (keeps heating coil free of ice)

  • Built-in motion control of the circulation pump for periods that do not require heating

  • External electric heating coil

• Temperature sensors

• Overheating protection

  • TSA60 is situated on the circuit board, trips at 60°C and has manual reset on the HMI panel

  • TSA70 is situated in the airflow, trips at 70°C and has manual reset

  • TSA120 is located in the airflow, trips at 120C and has manual reset in the heating coil and on the HMI

  • Module for control of external cool/heat pump unit

• Temperature sensors

• Control

  • External cold water coil

• Temperature sensors

  • In the supply air duct to measure supply air temperature

  • In the supply water pipe for the cooling coil

• Modulating motor valve

• Circulation pump control

  • Control of the water cooling coil circulation pump

  • Built-in motion control of the circulation pump for periods that do not require cooling

  • Control module for external cooling units

• Temperature sensors in the supply air duct to measure supply air temperature

• Control system for external cooling unit via:

  • Start/stop-signal

  • On-demand regulation 0-10 V (10-0 V)

  • Module for control of external cool/heat pump unit

• Temperature sensors in the supply air duct to measure supply air temperature

• Control of external cooling/heat pump unit via:

  • Start/stop-signal

  • Signal for cooling or heating

  • On-demand regulation 0-10 V (10-0 V)