Siemens REA23.03RF, REA-R.03/1, REA23R/ST User Manual
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REA23.03RF REA-R.03/1
REA23R/ST
Self-learning room
temperature controller
REA23.03RF
Receiver
REA-R.03/1
Consisting of controller (with integrated radio transmitter) and receiver
(switching unit with relay outputs)
• Mains-independent room temperature controller
• Straightforward, self-explanatory menu selection via setting knob
• Self-learning 2-position controller providing PID mode (patented)
• Choice of operating modes:
Automatic with maximum 3 heating or cooling periods, continuous comfort, continuous economy, frost or overheat protection with one 24-hour operating mode including
one heating or cooling period
• In automatic mode, one temperature setpoint can be entered for each heating or
cooling period
• Optional control of cooling equipment
• Advantageous for retrofitting and upgrading projects
(wireless room unit)
Use
For control of the room temperature in:
• Apartments, single-family or holiday houses
• Offices, individual rooms, consulting rooms or commercially used spaces
For control of the following pieces of equipment:
• Solenoid valves of instantaneous water heaters
CE1N2218en
17.04.2007
Building Technologies
HVAC Products
• 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
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Building Technologies Room temperature controller REA23.03RF CE1N2218en
HVAC Products 17.04.2007
Operating elements
Selection of operating mode (see below)
«Warmer» button
«Colder» button
Override button (see below)
ESC
Leaving the current menu level and returning to the menu
level previously active (settings currently displayed will be
accepted)
The rotary knob is only operable within the menus.
Move from menu to menu, modify adjustable variables (temperature in increments of 0.2°C and time in hours and minutes)
and select functions.
OK
Access the menus, enable a menu, save inputs, switch to the
next menu item and acknowledge with the OK button.
Displays
Time of day
° C
Room temperature
Change batteries (display appears about 3 months before bat-
teries are exhausted)
Holiday mode active
Selection of operating mode (only one operating mode active)
Automatic mode
Comfort mode
Economy mode
Frost protection or overheat protection
Special day (24-hour mode with one heating or cooling phase.
The switch-on and switch-off time and the setpoint for the phase are set manually).
Temporary change of the current setpoint temperature
(change only active until the next switching point is reached)
° C
Press the + or – button once to display the adjusted temperature setpoint. It can be readjusted in increments of 0.2 °C (max.
+/- 4 °C)
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Override button
In operating modes and , this button can be used to manually switch
from comfort to economy temperature, or vice versa. The selection is automatically reset when the next switching point is reached or when the operating
mode is changed
Menu-driven user settings: 4 main menus are available
Time of day and weekday
Main menu
Submenu Settings
OK
h
Current time
ESC
Current weekday
Temperature Main menu Submenu
Default settings – heating / cooling
T
Setpoint of comfort mode 19 °C 23 °C
OK
ESC
Setpoint of economy mode 16 °C 29 °C
Setpoint frost or
overtemperature protection
5 °C 35 °C
Setpoint remote operation is
not used with this unit
(10 °C) (30 °C)
Time switch
Main menu
Submenu Settings
Selection of weekday, working day,
weekend or week
OK
ESC
Selection of the number of heating
or cooling periods (max. 3 periods
per day)
h
Selection of the heating / cooling period’s start and end time
° C
T
Selection of the heating / cooling period temperature setpoint
Absence
Main menu
Submenu
OK
ESC
Entry of holidays or periods of absence. Number of
days with economy mode setting / max. 99 days
Temperature setpoint during absence.
Default setting is 12 °C for heating and 30 °C for
cooling
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Building Technologies Room temperature controller REA23.03RF CE1N2218en
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Menu-driven heating
engineer settings
Menu items Settings
CAL
Sensor calibration
Setpoint limitation
OK
ESC
Optimum start control for the first heating period
(in unit of time per 1 °C)
2-position control
PID mode, self-learning
PID mode, switching cycle 6 or 12 minutes
/
Periodic pump run off / on
Heating / cooling mode
Temperature
setpoints
In automatic operating modes, the temperature setpoints can be individually adjusted
for every comfort period and for the continuous operating modes. The temperature
setpoint of economy mode is the same in automatic and continuous operation.
Protective function
In frost or overtemperature protection mode, the room temperature is constantly monitored. If it falls (rises) below (above) the adjusted setpoint, control to the adjusted frost
or overtemperature protection setpoint
will be ensured.
The "special" day is a 24-hour exception mode with one heating or cooling phase. The
switch-on and switch-off time and the setpoint for the (heating or cooling) phase are set
manually.
The settings for the "special" day (exception) are not linked to any particular day, and
remain in memory until you modify these settings yourself. You can then select this
preset special day operating mode quickly and easily with the operating-mode selector
button
. It will remain active until another operating mode is selected.
Special day
Switching program
The switching program can be used as a 7-day or 24-hour program, depending on
programming. It is also possible to select one of the continuous operating modes
with which the switching program is not used.
With the 7-day program, all individual days, working days (1-5), weekend (6-7), or the
entire week (1-7) can be programmed.
For each heating / cooling period, 3 different switching patterns are available.
There is a choice of 1, 2 or 3 heating / cooling periods. For each heating / cooling period, the start time, end time and comfort setpoint are to be entered.
In between heating / cooling periods, the same economy temperature setpoint is always used. This economy temperature setpoint can be adjusted on the temperature
menu.
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Building Technologies Room temperature controller REA23.03RF CE1N2218en
HVAC Products 17.04.2007
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