Use
Fan coil units via ON/OFF outputs:
2-pipe system *
2-pipe system with electric heater
4-pipe system
Chilled / heated ceilings (or radiators) via ON/OFF outputs:
Chilled / heated ceiling *
Chilled / heated ceiling with electric heater
Chilled / heated ceiling and radiator / floor heating
Compressors: via ON/OFF control
1-stage compressors in DX type equipment
1-stage compressors in DX type equipment with electric heater
* with both ON/OFF or modulating control output
The room thermostats are delivered with a fixed set of applications.
The relevant application is selected and activated during commissioning using one of the following tools:
Local DIP switch and HMI
Modbus commissioning tools
Features
Operating modes: Comfort, Economy and Protection
ON/OFF or 3-position control outputs (relay)
Output for 3-speed or 1-speed fan
Automatic or manual heating / cooling changeover
Backlit display
AC 230 V operating voltage
Functions
Room temperature control via built-in temperature sensor or external room temperature / return air temperature sensor
Changeover between heating and cooling mode (automatic via local sensor or Modbus, or manually)
Selection of applications via DIP switches or commissioning tool.
Select operating mode via operating mode button on the thermostat
1- or 3-speed fan control (automatically or manually)
Display of current room temperature or setpoint in °C and/or °F
Display of outdoor temperature or time of day via Modbus
Minimum and maximum limitation of room temperature setpoint
Key lock (automatically, manually or via Modbus)
2 multifunctional inputs, freely selectable for:
- Operating mode switchover contact (keycard, window contact, etc.)
- Sensor for automatic heating / cooling changeover
- External room temperature or return air temperature sensor
- Dew point sensor
- Electric heater enable
- Fault input
- Monitor input for temperature sensor or switch state
Advanced fan control function, e.g. fan kick, fan start, selectable fan operation (enable, disable or depending on heating or cooling mode)
“Purge” function together with 2-port valve in a 2-pipe changeover system
Reminder to clean fan filters
Floor heating temperature limitation
Reload factory settings for commissioning and control parameters
RS 485 Modbus (terminals +, - and REF) for communication with Modbus compatible devices