Siemens RDE20.1 User Manual

CE1N3036en
13.10.2008
Building Technologies
3
036
Room Temperature Controller
with 7-Day Time Switch, LCD and
opt. Remote Temperature Sensor
RDE20.1
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
Use
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

Siemens RDE20.1 Specifications

General

Brand	Siemens
Model	RDE20.1
Category	Thermostat
Language	English

Summary

Use

Functions

Function Diagram

Diagram showing output signal vs. temperature.

Remote Temperature Sensor

How the controller uses an external sensor.

Operating Modes

Details normal, energy saving, and OFF modes with time switch.

Display

Backup

Data retention during battery loss.

Ordering

How to order the controller and components.

Equipment Combinations

Lists compatible sensors and actuators.

Accessories

Lists mounting and installation accessories.

Mechanical Design

Legend

Explains symbols and buttons on the device.

Notes

Mounting, Installations and Commissioning

Instructions for installation, wiring, and setup.

Maintenance

Notes on controller maintenance (device is maintenance-free).

Sensor Calibration

Procedure to recalibrate the temperature sensor.

Setpoint Limitation

How to set upper temperature limits.

Change of Batteries

Instructions for replacing the batteries.

Reset

Procedure to reset settings to factory defaults.

Technical Data

Power Supply

Specs for voltage, battery, and fusing.

Sensor Inputs

External sensor types and cable specs.

Outputs

Specs for switching outputs (voltage, current, contact life).

Operational Data

Switching differential, setpoint ranges, resolution.

Electrical Connections

Terminal types and wire gauges.

Environmental Conditions

Operating temperature, humidity, and class.

Norms and Standards

General

Certifications, safety class, and housing properties.

Connection Diagram

Electrical wiring diagram for the controller.

Application Examples

Wiring examples for direct control.

Dimensions

Controller

Physical dimensions of the controller unit.

Baseplate

Dimensions and mounting details of the baseplate.