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RAA Series
Room Thermostats
Description
Features
Product Numbers
Accessory
Application
Two-wire, gas diaphragm-based room thermostats for use in heating and/or cooling
only (two-pipe) systems.
•
Two-point control algorithm (on-off)
•
24 to 120 Vac, 277 Vac operating voltage
•
Two mounting styles: electrical wall box or drywall
•
Wall plate adapter (ARG70) included with electrical wall box mount styles
•
Dual setpoint temperature scale (RAA20..) or tamperproof (concealed) setpoint
(RAA10...)
See Table 1.
ARG70 Wall box adapter
Typically used in:
•
Schools
•
Public buildings
•
Storage rooms
•
Maintenance rooms
•
Temporary heat for building construction
Used in commercial and light industrial buildings in conjunction with:
•
Zone valves
•
Gas, fuel burners
•
Fans
•
Pumps
Technical Instructions
Document No. 155-519P25
RAA20...
ET RAA-1
March 2, 2007
Siemens Industry, Inc.
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Summary of Contents for Siemens RAA Series
- Page 1 Technical Instructions Document No. 155-519P25 ET RAA-1 March 2, 2007 RAA Series Room Thermostats RAA20… Description Two-wire, gas diaphragm-based room thermostats for use in heating and/or cooling only (two-pipe) systems. • Features Two-point control algorithm (on-off) • 24 to 120 Vac, 277 Vac operating voltage •...
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Page 2: Operation
Technical Instructions RAA Series Room Thermostats Document Number 155-519P25 March 2, 2007 Table 1. Product Numbers. Mounting Style Product Control Switch Scale Number Electrical Wall RAA10CW Heating only or cooling only None Celsius (concealed) Box (with wall RAA20UW Heating only or cooling only... - Page 3 RAA Series Room Thermostats Technical Instructions Document Number 155-519P25 March 2, 2007 Operation Ambient Conditions Temperature 32°F to 122°F (0°C to 50°C) Relative humidity <95% Transport/Storage Temperature –4°F to 122°F (–20°C to 50°C) Relative humidity <95% Material Plastic Housing Enclosure rating...
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Page 4: Installation
Technical Instructions RAA Series Room Thermostats Document Number 155-519P25 March 2, 2007 Mounting Locate the unit where the air temperature can be sensed as accurately as possible. Do not mount in direct sunlight or near other heat or refrigeration sources. - Page 5 RAA Series Room Thermostats Technical Instructions Document Number 155-519P25 March 2, 2007 Drywall Mounting 1. Loosen the two screws at the bottom of thermostat. 2. Lift the bottom of the thermostat cover from the thermostat base and push up to remove cover.
- Page 6 Technical Instructions RAA Series Room Thermostats Document Number 155-519P25 March 2, 2007 4 × 4-inch Electrical Wall An ARG70 wall plate adapter is required to mount an RAA… thermostat to a 4 × 4-inch Box Mounting electrical wall box. The ARG70 wall plate adapter is included with electrical wall box mount models.
- Page 7 RAA Series Room Thermostats Technical Instructions Document Number 155-519P25 March 2, 2007 2 × 4-inch Electrical Wall An ARG70 wall plate adapter is required to mount an RAA… thermostat to a 2 × 4-inch Box Mounting electrical wall box. The ARG70 wall plate adapter is included with electrical wall box mount models.
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Page 8: Maintenance
Technical Instructions RAA Series Room Thermostats Document Number 155-519P25 March 2, 2007 Maintenance The room thermostat is completely maintenance-free. If inoperable, replace entire unit. WARNING: High voltage. Disconnect power before servicing. Metal part is not grounded. Wiring Diagrams Heating device... - Page 9 RAA Series Room Thermostats Technical Instructions Document Number 155-519P25 March 2, 2007 Dimensions, Continued Dimensions in inches (millimeters) Figure 8. RAA20… Unit. Figure 9. Base Plate. Figure 10. ARG70. Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as design improvements are introduced.