Siemens RAA20 User Manual

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Use

Functions

CE1N3002E

05.09.2003

Room Thermostat

Adjustable for heating only or cooling only

Two-position control

Switching voltage AC 24...250 V

The RAA20 room thermostat is used in heating only or cooling only systems to maintain

the selected room temperature.

Typical use:

• Residential buildings

• Light industrial buildings

In conjunction with

• zone valves, 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 themperature exceeds the selected setpoint, the cooling contact will close.

Siemens Building Technologies

HVAC Products

002

RAA20

Page 1 RAA20 Adjustable for heating only or cooling only Two-position control Switching voltage AC 24…250 V The RAA20 room thermostat is used in heating only or cooling only systems to maintain the selected room temperature. Typical use: • Residential buildings • Light industrial buildings In conjunction with •...
Page 2 ARG70.1 Adapter plate for surface wiring 112x130 mm ARG70.2 Technical design Key features of the RAA20 room thermostat: • Two-position control • Gas-filled diaphragm Adjustments The required temperature is selected by a setpoint adjuster on the front of the thermo- stat.
Page 3 Degree of protection IP30 to EN 60529 Screw terminals for 2 x 1.5 mm or 1 x 2.5 mm min.( 0.5 mm Weight 0.14 kg Colour white, NCS S 0502-G (RAL 9003) Siemens Building Technologies Room Thermostat RAA20 CE1N3002E HVAC Products 05.09.2003...
Page 4: Connection Diagrams
Control output "Heat- ing"“, AC 24…250 V Control output "Cool- ing", AC 24…250 V Neutral Thermostat element (gas-filled diaphragm) Dimensions Unit 96,4 42,8 Baseplate 2003 Siemens Building Technologies Ltd. Subject to alteration Siemens Building Technologies Room Thermostat RAA20 CE1N3002E HVAC Products 05.09.2003...