Siemens raa20 series - User Manual

CE1N3002en
25.02.2008
Building Technologies
3
002
RAA20 RAA200
Room thermostats RAA20..
Adjustable for heating only or cooling only
• 2-position control
• Switching voltage AC 24…250 V
Use
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
Functions
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.

Summary

Use

Functions

Function diagrams

Type summary

Equipment combinations

Accessories

Technical design

Key features of the RAA20.. room thermostat

Highlights the 2-position control and gas-filled diaphragm of the RAA20.. thermostat.

Adjustments

Notes

Mounting, installation and commissioning

Maintenance

Mechanical design

Technical data

Operational data

Environmental conditions

Norms and standards

Connection diagrams

Dimensions

Siemens raa20 series Specifications

General

Output	SPDT
Protection Class	IP30
Type	Room Thermostat
Power consumption	1 VA
Accuracy	± 1 K
Relative humidity	<95% r.H.
Mounting	Wall mounting