Product Overview

www.usa.siemens.com/hvaccomponents
Thermostats
A-33
RAA10C Fan Coil Thermostat
with concealed setpoint knob.
RAA20U Room Thermostat
with exposed setpoint knob.
Applications
The RAA… Electric Room Thermostats are typically used
in public buildings, storage rooms, entrance hallways and
maintenance rooms where two-position (On/Off) control
is required.
Descriptions of models are as follows:
RAA10C…model is a heating or cooling only thermostat
that has a concealed setpoint knob for use in areas where
setpoint adjustment is limited to authorized personnel.
Typical applications are frost and overheat protection and
temporary heat for buildings under construction.
RAA20U… model is a heating or cooling only thermostat
that has an external setpoint knob for occupant
adjustment.
Note:
ARG 70 wall plate is required in order to be UL compliant
for switching line voltage.
The RAA… Room Thermostats are designed for either
simple heating or cooling or for 2-pipe heating and cooling
systems where fan control is not required.
Description
Designed for simple heating or cooling or heating/cooling
applications, RAA… Electric Room Thermostats are an
attractive and economical solution that utilize two-wire,
gas membrane technology.
RAA… Electric Room Thermostats are available in
single scale Fahrenheit or Celsius models, except the
RAA10C, with models for dry wall or electrical wall box
mounting. Models are designed for wall box mounting
includes wall box plate adapter and screws.
Features
• Two-point control algorithm for on/off control
• 24…120, 277 Vac line
• Two mounting styles: electrical wall box or drywall
• Dual Fahrenheit/Celsius scale (RAA20U)
Options
• Tamperproof cover (concealed setpoint knob) noted
with a C
• Available with wall plate
RAA…
Electric Room Thermostats