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Use
CE1N3036en
13.10.2008
Room Temperature Controller
with 7-Day Time Switch, LCD and
opt. Remote Temperature Sensor
for heating systems
2-position control with ON/OFF output for heating
Operating modes: normal operation and energy saving mode
7-day time switch and manual operation
Battery-powered DC 3 V
Input for external temperature sensor
The RDE20.1 is used for the control of the room temperature in heating systems.
Typical applications:
• Apartments
• Commercial spaces
• Schools
For the control of the following pieces of equipment:
• Thermic valves or zone valves
• Gas or oil burners
• Fans
• Pumps
3
RDE20.1
Building Technologies
036
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Table of Contents
Related Manuals for Siemens RDE20.1
Summary of Contents for Siemens RDE20.1
- Page 1 Operating modes: normal operation and energy saving mode 7-day time switch and manual operation Battery-powered DC 3 V Input for external temperature sensor The RDE20.1 is used for the control of the room temperature in heating systems. Typical applications: • Apartments • Commercial spaces •...
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Page 2: Function Diagram
Output signal for heating T[°C] Remote temperature The RDE20.1 can provide control either according to the internal room temperature or sensor according to a remote temperature. The controller detects automatically when a QAH11 is connected. In this case, the internal temperature sensor is deactivated. -
Page 3: Equipment Combinations
When taking out the batteries, the setpoints and the information required for operating mode changeover are retained for 3 minutes. Ordering When ordering, please give name and type reference: room temperature controller RDE20.1. Sensor and valve actuators are to be ordered as separate items. Equipment combinations Type of unit... -
Page 4: Mechanical Design
14 Selecting and leaving the setting mode for the switching pattern 15 Setpoint adjustment for energy saving mode 16 Setpoint adjustment for normal operation 17 Button for confirming the switching pattern settings 18 Battery compartment Siemens Room temperature controllers CE1N3036en Building Technologies 13.10.2008... -
Page 5: Maintenance
Only AAA alkaline batteries have to be used. Reset To reset, first press and hold the button , then press the two buttons simultane- ously for 3 seconds. All individual settings will be reset to their standard values. Siemens Room temperature controllers CE1N3036en Building Technologies 13.10.2008... - Page 6 Technical data Operating voltage DC 3 V (2 x 1.5 V AAA Alkaline batteries) Power supply Battery life (RDE20.1) > 1 years (AAA Alkaline batteries) Supply line fusing max. 10 A External: Sensor inputs External temperature sensor QAH11/QAA32, Safety class II (Inputs B1, M) NTC resistor 3 kΩ...
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Page 7: Connection Diagram
Colour of housing front white, RAL 9003 Housing material ABS (Slider: POM, LCD Lens: GP PS) Connection diagram QAH11 external temperatures sensor RDE20.1 room temperature controller Regulating unit L, N Live, Neutral AC 24...250 V Signal input “External temperature sensor”‘ External fuse Measuring neutral “External temperature... -
Page 8: Base Plate
RDE20.1 room temperatures controller Safety limit thermostat 3-port valve with manual adjustment Circulating pump Magnetic valve Dimensions Controller 23,8 Baseplate 89,45 © 2003 - 2008 Siemens Building Technologies AG Subject to change Siemens Room temperature controllers CE1N3036en Building Technologies 13.10.2008...