Brochure

Thermostats & Hygrostats
features
A-41
www.sbt.siemens.com/hvp/components
Description
Applications
Electric Fan Coil Thermostats
RAB…
RAB…
RAB20U Thermostat with exposed
set point knob and external
changeover.
RAB10.1U Thermostat with
manual changeover.
• Fan Speed Switch (RAB90.1U) for remote
switching location (24...277 Vac)
• Two-point control algorithm for on/off
control
• Line voltage
• 2-pipe or 4-pipe fan coil applications
• 3-speed fan control
• Fan on only models for ventilation
• Manual or external changeover
• Two mounting styles: electrical wall box
or drywall
• Adjustable upper/lower limit stops
• Dual Fahrenheit/Celsius scale
Designed to control 2- or 4-pipe fan coil or unit ventilators,
the RAB… Electric Fan Coil Thermostats are an attractive
and economical solution that is based on two-wire, gas
membrane technology.
Providing On/Off control, the RAB… Electric Fan Coil
Thermostats are available with dual scale Fahrenheit/
Celsius models with manual or external changeover.
The RAB20U requires an aqua sensor to initiate
changeover.
The RAB… Electric Fan Coil Thermostats are recommend-
ed for applications in commercial or light industrial building
in conjunction with zone valves, thermal valves, fans or
thermostats.
Note:
ARG70, wall plate, is required for UL compliance in
switching line voltage.
RAB30U Thermostat with exposed
set point knob and 3-speed fan
control.
RAB90.1U 3-speed fan switch.