Siemens RAB10 Series - User Manual

Siemens Industry, Inc.
RAB10 Series
Technical Instructions
Document No. 155-524P25
ET RAB-1
March 2, 2007
Two-pipe Fan Coil Room
Thermostat with Manual
Changeover
Description
Two-wire, gas diaphragm-based fan coil room thermostat with heating or cooling
sequence for two-pipe fan coil applications.
Features
• Manual, three-speed fan switch
• Dual setpoint temperature scale
• Fan release function
• Two-point control algorithm (On/Off)
• 24 to 120 Vac, 277 Vac operating voltage
• Manual changeover switch
• Two mounting styles: electrical wall box or drywall
• Wall plate adapter (ARG70) included with electrical wall box mount styles
Application
Typically used in commercial, high-rise and light industrial buildings in conjunction with:
• Zone valves
• Thermal valves
• Fans
Product Numbers
See Table 1.
Technical Design
The RAB10... fan coil room thermostat is based on a two-wire, gas diaphragm
technology.
Operation
Heating Mode
When the heating mode is manually selected, and the room temperature falls below the
selected setpoint, the heating contact is closed.
Cooling Mode
When the cooling mode is manually selected, and the room temperature rises over the
selected setpoint, the cooling contact is closed.

Summary

Thermostat Operation

Heating Mode Function

Describes how the heating contact closes when the room temperature falls below the setpoint.

Cooling Mode Function

Describes how the cooling contact closes when the room temperature rises over the setpoint.

Warning and Caution Notations

Technical Specifications

Wiring Information

Mounting Guidance

Recommended Mounting Locations

Guidance on optimal placement for accurate temperature sensing.

Installation Safety Warnings

Setpoint Limit Stops Adjustment

General Installation

Drywall Mounting Procedure

Drywall Installation Steps

Step-by-step instructions for mounting the thermostat on drywall.

4 x4-inch Electrical Wall Box Mounting

4 x4 Box Mounting Procedure

2 x4-inch Electrical Wall Box Mounting

2 x4 Box Mounting Procedure

Product Dimensions

Siemens RAB10 Series Specifications

General

Output	SPDT
Mounting	Wall mounting
Type	Thermostat
Accuracy	±1 K
Protection class	II