Water-Based Fan Coil Applications With Rdf340 - Siemens RDF300 Documentation

Application:
Compressor in DX-type
equipment heating and
cooling
(DIP setting: "4-pipe")
Application:
2-pipe fan coil units
Application:
2-pipe fan coil units
with electrical heater
Application:
4-pipe fan coil units
Application:
4-pipe fan coil units
with single-speed fan
Note: Single-speed fan
also possible in other
applications!
Siemens
Building Technologies
L
S1 S2
10 A
B1 B2
L X1 M X2
N Q1 Q2 Q3 Y11
I II III
M1
C1
5(2)A
5(2)A
max.
N
max.
6.2.3

Water-based fan coil applications with RDF340...

G
S1
S2
B1 B2
G X1 M X2
L Q1 Q2 Q3 Y10
G0
L
I II III
N
Y1
M1
max. ± 1 mA
G0
G
S1 S2
B1
B2
G X1 M X2
L Q1 Q2 Q3 Y10
G0
L
I II III
N
Y1
M1
max. ± 1 mA
G0
G
S1
S2
B1
B2
X2
G X1 M
G0 L Q1 Q2 Q3 Y10
L
I II III
N
Y1
M1
max. ± 1 mA
G0
G
S1
S2
B1 B2
G X1 M X2
L Q1 Q2 Q3 Y10
G0
L
I
N
M1 Y1
max. ± 1 mA
G0
RDF300.../RDF340.../RDF400... Basic Documentation
6BEngineering
M1 3-speed fan
N1 Room temperature controller
RDF300.../RDF400...
C1 Compressor "Heating"
C2 Compressor "Cooling"
S1, S2 Switch (keycard, window contact, etc.)
B1, B2 Temperature sensor (return air temperature,
Y21
external room temperature sensor, etc.)
N1
Note:
C2
Use an external relay for designated reversing valve
5(2)A
max.
and compressor equipment terminal connections.
See DX equipment wiring diagram for connection
details.
M1 3-speed fan
N1 Room temperature controller RDF340...
Y1 Zone valve
S1, S2 Switch (keycard, window contact, etc.)
B1, B2 Temperature sensor (return air temperature,
external room temperature,
changeover sensor, etc.)
Y20
N1
M1 3-speed fan
N1 Room temperature controller RDF340...
Y1 Zone valve
YR 0..10 signal converter/current valve
E1 Electrical heater
S1, S2 Switch (keycard, window contact, etc.)
Y20
N1
B1, B2 Temperature sensor (return air temperature,
external room temperature,
changeover sensor, etc.)
YR
E1
max.
± 1 mA
M1 3-speed fan
N1 Room temperature controller RDF340...
Y1 Zone valve "Heating"
Y2 Zone valve "Cooling"
S1, S2 Switch (keycard, window contact, etc.)
B1, B2 Temperature sensor (return air temperature,
Y20
external room temperature,
N1
changeover sensor, etc.)
Y2
max. ± 1 mA
M1 3-speed fan
N1 Room temperature controller RDF340...
Y1 Zone valve
S1, S2 Switch (keycard, window contact, etc.)
B1, B2 Temperature sensor (return air temperature,
external room temperature,
Y20 changeover sensor, etc.)
N1
Y2
max. ± 1 mA
33 / 40
CE1P3076en
28 Aug 2008