Siemens raa20 series User Manual

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Use

Functions

CE1N3002en

25.02.2008

RAA20

Room thermostats

Adjustable for heating only or cooling only

•

2-position control

•

Switching voltage AC 24...250 V

The RAA20.. room thermostat is used in heating only or cooling only systems to main-

tain the selected room temperature.

Typical use:

• Residential buildings

• Light industrial buildings

In conjunction with

• zone valves or thermal valves

• gas or oil burners

• fans

• pumps

The RAA20.. room thermostat has separate outputs for heating only and cooling only.

If the room temperature falls below the selected setpoint, the heating contact will close.

If the room temperature exceeds the selected setpoint, the cooling contact will close.

RAA200

Building Technologies

002

RAA20..

Page 1 RAA20 RAA200 Room thermostats RAA20.. Adjustable for heating only or cooling only • 2-position control • Switching voltage AC 24…250 V The RAA20.. room thermostat is used in heating only or cooling only systems to main- tain the selected room temperature. Typical use: •...
Page 2 The required temperature setpoint is selected with the setting knob on the front of the thermostat. The setpoint setting range can be mechanically limited by means of setpoint limiters under the unit cover. Siemens Room Thermostat RAA20 CE1N3002en Building Technologies...
Page 3 Mechanical conditions Class 2M2 Norms and standards conformity EC directive on EMC 2004/108/EC Low-voltage directive (LVD) 2006/95/EC Product standards EN 60730-1 and Automatic electrical controls for EN 60730-2-9 household and similar use Siemens Room Thermostat RAA20 CE1N3002en Building Technologies 25.02.2008...
Page 4 AC 24…250 V Control output "Cool- ing", AC 24…250 V Neutral conductor Thermostat element (gas-filled diaphragm) Dimensions Room thermostat / baseplate RAA20 96,4 42,8 RAA200 ©2003 – 2008 Siemens Switzerland Ltd. Subject to change Siemens Room Thermostat RAA20 CE1N3002en Building Technologies 25.02.2008...