User Manual

• Solenoid valves of atmospheric gas burners
• Forced draft gas or oil burners
• Circulating pumps of heating systems, zone valves
• Electric direct heating systems or fans of electric storage heaters
• Thermal actuators
• Cooling and refrigeration equipment
Functions
• Radio signal transmission
• PID control with self-learning or selectable switching cycle
• 2-position control
• Automatic mode with 7-day switching program for 24-hour, working day, weekend or
7-day operation with up to 3 heating or cooling periods per day
• Each heating or cooling period has its own temperature setpoint
• One 24-hour operating mode with one heating or cooling period
• Override button
• Sensor calibration and reset function
• Frost protection or overtemperature protection
• Limitation of the minimum setpoint
• Holiday mode
• Heating or cooling mode
• Periodic pump run
• Optimum start control with the first heating period
Type summary
Radio signal equipment consisting of:
Room temperature controller (transmitter), receiver (switching unit)
and support
REA23R/ST
Room temperature controller (transmitter) and support
REA23.03RF
Receiver (switching unit)
REA-R.03/1
Ordering
When ordering, please give the type references according to «Type summary».
The controller / transmitter REA23.03RF is supplied complete with batteries.
Technical design
Display and
operating elements
+
ESC OK
2/16
Building Technologies Room temperature controller REA23.03RF CE1N2218en
HVAC Products 17.04.2007