Engineering; Connection Terminals; Connection Diagrams; Water-Based Fan Coil Applications With Rdf300 - Siemens RDF300 Documentation

RDF300.../RDF400...
RDF340...
Application:
2-pipe fan coil units
Application:
2-pipe fan coil units
with electrical heater
Siemens
Building Technologies
6

Engineering

6.1

Connection terminals

L X1 M X2
Q1 Q2 Q3 Y11 N Y21
N
G X1 M X2
L
Q1 Q2 Q3 Y10 G0
G0
6.2

Connection diagrams

6.2.1 Water-based fan coil applications with
RDF300.../RDF400...
L
S1
S2
10 A
B1
B2
X2
L X1 M
Q1 Q2 Q3
N Y11
I II III
M1 Y1
5(2)A
5(2)A
max.
N
max.
L
S1 S2
10 A
B1 B2
L X1 M X2
N Q1 Q2 Q3 Y11
I II III
M1 Y1
5(2)A
5(2)A
max.
N
max.
RDF300.../RDF340.../RDF400... Basic Documentation
6BEngineering
L, N Operating voltage AC 230 V
Q1 Control output "Fan speed 1 AC 230 V"
Q2 Control output "Fan speed 2 AC 230 V"
Q3 Control output "Fan speed 3 AC 230 V"
Y11,Y21 Control output "Valve" AC 230 V (N.O., for
normally closed valves), output for
compressor or output for electrical heater
X1, X2 Multifunctional input for temperature
sensor (e.g. QAH11.1) or potential-free
switch
M Measuring neutral for sensor and switch
G, G0 Operating voltage controller AC 24 V
SELV
L Operating voltage for fan AC 230 V
Q1 Control output "Fan speed 1 AC 230 V"
Y20
Q2 Control output "Fan speed 2 AC 230 V"
Q3 Control output "Fan speed 3 AC 230 V"
Y10,Y20 Control output for 0...10 V actuator
X1, X2 Multifunctional input for temperature
sensor (e.g. QAH11.1) or switch
M Measuring neutral for sensor and switch
M1 3-speed fan
N1 Room temperature controller
RDF300.../RDF400...
Y1 Zone valve
S1, S2 Switch (keycard, window contact, etc.)
B1, B2 Temperature sensor (return air temperature,
Y21
external room temperature, changeover
N1
sensor, etc.)
M1 3-speed fan
N1 Room temperature controller
RDF300.../RDF400...
Y1 Zone valve
E1 Electrical heater
S1, S2 Switch (keycard, window contact, etc.)
Y21
N1
B1, B2 Temperature sensor (return air temperature,
external room temperature, changeover
sensor, etc.)
E1
5(2)A
max.
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CE1P3076en
28 Aug 2008