Use
Fan coil units via ON/OFF or modulating control outputs:
2-pipe system
2-pipe system with electric heater
4-pipe system
Chilled / heated ceilings (or radiators)* via ON/OFF or modulating control outputs:
Chilled / heated ceiling
Chilled / heated ceiling with electric heater
Chilled / heated ceiling and radiator / floor heating
* Not applicable for RDF301, RDF301.50
Compressors: Via ON/OFF control
1-stage compressors in DX type equipment
1-stage compressors in DX type equipment with electric heater
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:
Synco ACS
ETS
Local DIP switch and HMI
Features
Operating modes: Comfort, Economy (Energy Saving) 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
Type of mounting / suitable conduit boxes
RDF600KN…
for round CEE conduit box, with min 60 mm diameter,
min 40 mm depth or recessed square CEE conduit box
with 60.3 mm fixed centersRDF301…
for recessed square CEE conduit box
with 60.3 mm fixed centers
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 bus, or manually).
Selection of applications via DIP switches or commissioning tool.
Select operating mode via operating mode button on the thermostat.
Temporary Comfort mode extension.
1- or 3-speed fan control (automatically or manually).
Display of current room temperature or setpoint in °C and/or °F.
Minimum and maximum limitation of room temperature setpoint.
Button lock (automatically or manually).
2 multifunctional inputs, freely selectable for:
- 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
RDF301…
- Operating mode switchover contact … (keycard, window contact, etc.)
RDF600KN…:
- Window contact
- Presence detector (Standard presence mode and Hotel presence )
See pages 15 & 18.
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 (adjust with P62).
Floor heating temperature limitation.
Reload factory settings for commissioning and control parameters.