Related Manuals for Siemens REA22
Summary of Contents for Siemens REA22
- Page 1 REA22 Room Temperature Controller Basic Documentation Issue: Controller series: Siemens Building Technologies CE1P2276E 31.03.1999 Landis & Staefa Division...
- Page 2 Siemens Building Technologies Ltd. Landis & Staefa Division Gubelstrasse 22 CH-6301 Zug Tel. 041 - 724 11 24 Fax. 041 - 724 35 22 © 1998 Siemens Building Technologies Ltd. http://www.landisstaefa.com...
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Page 3: Table Of Contents
3.3.6 Continuous normal temperature ............18 3.3.7 Continuous economy temperature ............18 3.3.8 Continuous standby with frost protection..........18 Holiday program ..................19 Reset to standard values ................20 Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division 3/30... - Page 4 Zone valve ....................25 Circulating pump with pre-control through manual mixing valve ....26 Refrigeration unit..................26 Dimensions ....................27 Technical data ..................... 28 Index......................29 CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 4/30 Landis & Stefa Division...
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Page 5: Summary
• Cooling function • Frost protection function • Minimum limitation of setpoint • Pump kick • Optimum start control in the morning (P.1) Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Summary 5/30... -
Page 6: Field Of Use
• Circulating pumps in heating systems • Electric direct heating • Fans of electric storage heaters • Zone valves (normally closed) • Cooling and refrigeration equipment CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 6/30 Summary Landis & Stefa Division... -
Page 7: Product Liability
• When using the products, all requirements specified under "Technical data" must be observed • Local regulations for electrical installations must be complied with Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Summary... -
Page 8: Handling
• Mounting height is approx. 1.5 m above the floor • The unit can be fitted to most commercially available recessed conduit boxes or di- rectly on the wall CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 8/30 Handling Landis &... -
Page 9: Mounting
Connect wires to base. For correct wiring, refer to con- nection diagram in this chapter. Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Handling 9/30... -
Page 10: Electrical Installations
N.O. contact, AC 24…250 V / 0.1…6 (2.5) A N.C. contact, AC 24…250 V / 0.1…6 (2.5) A Circulating pump REA22 controller Regulating unit CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 10/30 Handling Landis & Stefa Division... -
Page 11: Display And Operating Elements
Setting slider perature Day/ Time/weekday Standby with frost protection Switching pattern allocation Override button block/day Switching times P.1…P.6 Warmer/colder button Normal temperatures T1…T3 Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Handling 11/30... -
Page 12: Startup
Select the automatic mode with the operating mode selector . Auto 1...7 Fold up operating instructions again, place them back into the cover and close the cover again. CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 12/30 Handling... -
Page 13: Short-Term Individual Settings
, when it was made from the normal temperature. This means you can select the economy temperature during the time you are absent. Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Handling... -
Page 14: Description Of End-User Settings
(e.g. 5 °C). The display shows Note A detailed description of how to set the different modes and their possibilities is given in the following sections. CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 14/30 Description of end-user settings... -
Page 15: Enter Individual Temperatures And Heating Periods
Move the setting slider back to this position and close the cover. Note If a position cannot be set, the display shows Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Description of end-user settings... -
Page 16: Check Settings Of The 7-Day Time Switch
Auto Move the setting slider back to this position and close the cover. Note If a position cannot be set, the display shows CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 16/30 Description of end-user settings Landis & Stefa Division... -
Page 17: 24-Hour Mode With Two Heating Periods
The entered economy temperature is the same for all blocks. Auto Move the setting slider back to this position and close the cover. Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Description of end-user settings... -
Page 18: Continuous Normal Temperature
Move the operating mode selector to «Standby». In that case, heating is provided only when the room temperature falls below the preset frost protection limit (e.g. 5 °C). The display shows CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 18/30 Description of end-user settings Landis &... -
Page 19: Holiday Program
Note On completion of the holiday period, the controller will resume the selected operating Auto 1...7 mode (e.g. Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Description of end-user settings 19/30... -
Page 20: Reset To Standard Values
• Make certain the old batteries are disposed of properly, in compliance with environ- mental requirements Caution The setting data are maintained for a maximum of one minute only! CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 20/30 Description of end-user settings... -
Page 21: Description Of Heating Engineer Settings
1/4h/°C Temperature (°C) Actual value of room temperature Forward shift of switch-on point (h) Starting point for optimum on Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Description of heating engineer settings 21/30... -
Page 22: Dip Switch 2
The setting is made with DIP switch 2 while the pump is running. Protects the pump from seizing during longer OFF periods. Periodic pump run is activated for one minute every 24 hours at 12:00 h. CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 22/30 Description of heating engineer settings Landis &... -
Page 23: Dip Switch 3
Otherwise the previous settings are still active! 4.3.1 Control The REA22 is a two-position controller providing PID control. The room temperature is controlled through the cyclic switching of a regulating unit. Self-learning mode The controller is supplied with an active self-learning mode, which enables it to auto- matically adapt to the controlled system (type of building construction, type of radiators, size of rooms, etc.). -
Page 24: Functional Check
, the temperature can be changed in increments of 0.2 °C (max. ±2 °C). On completion of the readjustment, the setting slider must be reset to the AUTO/RUN position. CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 24/30 Description of heating engineer settings Landis &... -
Page 25: Applications
Applications Instantaneous water heater Thermal reset limit thermostat Manual reset safety limit thermostat Circulating pump REA22 room tempera- ture controller Solenoid valve Atmospheric gas burner Thermal reset limit thermostat Manual reset safety limit thermostat Circulating pump REA22 room tempera- ture controller... -
Page 26: Circulating Pump With Pre-Control Through Manual Mixing Valve
Circulating pump with pre-control through manual mixing valve Circulating pump REA22 room tempera- ture controller Manually operated three-port valve Refrigeration unit Refrigeration unit REA22 room tempera- ture controller CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 26/30 Applications Landis &... -
Page 27: Dimensions
Dimensions 83,5 (Subject to alteration) Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Dimensions 27/30... -
Page 28: Technical Data
EN 50081-1 Perm. ambient temperature Operation 3…35 °C Storage -25…+60 °C Perm. ambient humidity to DIN 40040 Weight 0.24 kg Colour white RAL9003 CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 28/30 Technical data Landis & Stefa Division... -
Page 29: Index
DIP switch 2........................22 DIP switch 3........................23 Display ...........................11 Electrical installations.....................10 Engineering........................8 Features...........................5 First startup ........................12 Frost protection ......................23 Functional check ......................24 Handling...........................8 Holiday program......................19 Siemens Building Technologies Basic Documentation REA22 Issue 2.0 CE1P2276E / 31.03.1999 Landis & Stefa Division Index 29/30... - Page 30 Time of day ......................14 Weekday ........................14 Startup........................... 12 Target market ........................6 Types of buildings ......................6 Types of systems ......................6 CE1P2276E / 31.03.1999 Basic Documentation REA22 Issue 2.0 Siemens Building Technologies 30/30 Index Landis & Stefa Division...