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.
