Siemens RAA20 User Manual

CE1N3002E
05.09.2003
Siemens Building Technologies
HVAC Products
3
002
Room Thermostat RAA20
Adjustable for heating only or cooling only
Two-position control
Switching voltage AC 24…250 V
Use
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
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 themperature exceeds the selected setpoint, the cooling contact will close.

Siemens RAA20 Specifications

General

Brand	Siemens
Model	RAA20
Category	Thermostat
Language	English

Summary

Use

Typical Use

Details typical applications for the RAA20 thermostat in heating or cooling systems.

Functions

Function Diagrams

Equipment Combinations

Accessories

Technical Design

Notes

Mounting, Installation and Commissioning

Guidance on correct placement, installation procedures, and initial setup of the thermostat.

Maintenance

Mechanical Design

Details on the thermostat's internal construction and materials used.

Technical Data

Operational Data

Key operational parameters including voltage, current, frequency, and setpoint range.

Environmental Conditions

Specifies the environmental operating ranges for temperature, humidity, and pollution.

Norms and Standards

Lists relevant certifications, directives, and product standards the thermostat complies with.

Connection Diagrams

Dimensions

Unit Dimensions

Provides detailed measurements for the thermostat unit itself.

Baseplate Dimensions

Details the dimensions and mounting points for the thermostat baseplate.