General
The RAA21.. 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.
Features
The RAA21.. 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
Specifications
- Make: Siemens
- Model: RAA21
- Voltage: AC 24...250 V
- Current: 0.2…6(2.5) A
- Frequency: 50 or 60 Hz
- Screw terminals for 2 x 1.5 mm2 (min. 0.5 mm2 )
- Switching differential SD: 1K
- Set point setting range: 8…30 °C