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Siemens 

Room Thermostat RAA20 

CE1N3002en 

Building Technologies 

 

25.02.2008 

EMC – standard 
Emission 

EN 61000-3-2 and 
EN 61000-3-3 

 

C-Tick

 conformity to 

EMC emission standard 

 
AS/NSZ 4251.1:1994 

Safety standard 

Degree of protection of housing 

II to EN 60730 
IP30 to EN 60529 

Screw terminals for  

2 x 1.5 mm

2

 or 1 x 2.5 mm

2

 (min. 0.5 mm

Weight 0.14 

kg 

(RAA20) 

0.20 kg (RAA200)

 

Color 

White, NCS S 0502-G (RAL 9003) 

Connection diagrams 

N

L

D1

N1

Y1

Y2

L

T

30

01

A

0

1

 

N

L

N1

Y1

Y2

L

D2

T

30

01

A

0

2

 

D1 

Zone valve or thermal 
valve for heating 

D2 

Zone valve or thermal 
valve for cooling 

L Switching 

voltage 

AC 24…250 V 

N1 Room 

thermostat 

Y1 

Control output "Heat-
ing", AC 24…250 V 

Y2 

Control output "Cool-
ing", AC 24…250 V 

N Neutral 

conductor 

T Thermostat 

element 

(gas-filled diaphragm) 

Dimensions 

96,4

99

,6

42,8

30

02

M

01

    

30

0

1M0

2

30

30

28

3,6

28

86

86

28

28

30

30

 

 

Room thermostat / 
baseplate 

RAA20 

RAA200 

©

2003 – 2008 Siemens Switzerland Ltd. 

Subject to change

 

Summary of Contents for raa20 series

Page 1: ...tems to main tain the selected room temperature Typical use Residential buildings Light industrial buildings In conjunction with zone valves or thermal valves gas or oil burners fans pumps Functions The RAA20 room thermostat has separate outputs for heating only and cooling only If the room temperature falls below the selected setpoint the heating contact will close If the room temperature exceeds...

Page 2: ... combinations Description Product no ASN Data sheet Motoric on off actuator SFA21 4863 Thermal actuator for radiator valves STA21 4893 Thermal actuator for small valves 2 5 mm STP21 4878 Accessories Description Product no ASN Adapter plate 120 x 120 mm for 4 x 4 conduit boxes ARG70 Adapter plate 96 x 120 mm for 2 x 4 conduit boxes ARG70 1 Adapter plate for surface wiring 112 x 130 mm ARG70 2 Techn...

Page 3: ...at wall The local electrical regulations must be complied with If there are thermostatic radiator valves in the reference room set them to their fully open position The room thermostat is maintenance free The diaphragm is filled with environment friendly gas The housing is made of plastic Technical data Switching capacity Voltage Current Frequency AC 24 250 V 0 2 6 2 A 50 or 60 Hz Switching differ...

Page 4: ...g RAA200 Color White NCS S 0502 G RAL 9003 Connection diagrams N L D1 N1 Y1 Y2 L T 3001A01 N L N1 Y1 Y2 L D2 T 3001A02 D1 Zone valve or thermal valve for heating D2 Zone valve or thermal valve for cooling L Switching voltage AC 24 250 V N1 Room thermostat Y1 Control output Heat ing AC 24 250 V Y2 Control output Cool ing AC 24 250 V N Neutral conductor T Thermostat element gas filled diaphragm Dime...

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