User Manual

ManualsBrandsSiemens ManualsThermostats (temperature controller with sensor)Room Thermostats RAB31..

017

RAB 31

RAB31.1

Room Thermostats

RAB31..

For four

-pipe fan coils

• Room thermostat with manual switch for heating or cooling

• Two-position control

• Manual three-speed fan switch

• Switching voltage AC 24…250 V

• Control output ON/OFF

Use

The room RAB31.. thermostat is used in heating or cooling systems to maintain the

selected room temperature.

Typical use:

• Commercial buildings

• Residential buildings

• Light industrial buildings

In conjunction with

− zone valves

− thermal valves

− fans

CE1N3017en

2016-03-25

Building Technologies

Summary of content (6 pages)

PAGE 1
3 017 RAB 31 RAB31.1 Room Thermostats RAB31.. For four-pipe fan coils • • • • • Room thermostat with manual switch for heating or cooling Two-position control Manual three-speed fan switch Switching voltage AC 24…250 V Control output ON/OFF Use The room RAB31.. thermostat is used in heating or cooling systems to maintain the selected room temperature.
PAGE 2
Functions Heating If the room temperature falls below the selected setpoint, the heating contact will close. Cooling If the room temperature exceeds the selected setpoint, the cooling contact will close. Fan speed There are two possibilities to control the fan speed: a) Manually by means of the three - speed fan switch on the thermostat for continuous operation b) Automatically by switching to the selected fan speed via the thermostat for controlled operation.
PAGE 3
Accessories Description Adapter plate 120 x 120 mm for 4“ x 4“ conduit boxes Adapter plate 96 x 120 mm for 2“ x 4“ conduit boxes Adapter plate for surface wiring 112x130 mm Type reference ARG70 ARG70.1 ARG70.2 Technical design Key features of the RAB31.. fan coil room thermostat: • Two-position control • Gas-filled diaphragm Adjustments The required temperature can be selected by a setpoint adjuster on the front of thermostat.
PAGE 4
Warning! No internal line protection for supply lines to external consumers (Q1, Q2, Q3, Y1, Y2) Risk of fire and injury due to short-circuits! • Adapt the line diameters as per local regulations to the rated value of the installed overcurrent protection device. Maintenance The room thermostat is maintenance-free. Mechanical design The gas bellows is filled with environmentally friendly gas. The thermostat housing is made of plastic. Ordering Type (ASN) Part number (SSN) Description RAB31 RAB31.
PAGE 5
Connections diagram D1 D2 L M1 N N1 Q1 Q2 Q3 Y1 Y2 Zone valve or thermal valve for heating Zone valve or thermal valve for cooling Switching voltage AC 24…250 V 3-speed fan Neutral Room thermostat Control output "Fan speed I", AC 250 V Control output "Fan speed II", AC 250 V Control output "Fan speed III", AC 250 V Control output "Valve actuator heating", AC 250 V Control output "Valve actuator cooling", AC 250 V Dimensions Room thermostat Base plate Remarks Heating: Because of the unavoidable self heat
PAGE 6
/6  Siemens Switzerland Ltd, 2011 - 2016 Siemens Building Technologies Room Thermostats RAB31..