Siemens RRV851, Быстрый старт

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Siemens Temperature Controller RRV851 CE1N2725en
Building Technologies 27.08.2007
Connection terminals
B1 Signal input (external sensor NTC)
M Signal ground
D1, D2 Digital inputs
D_GND Digital ground
HB+ HB– Communication bus
L, N AC 230 V supply
Q… Digital outputs, AC 24…230 V, 6(4) A
Y… Digital outputs, AC 24…230 V, 3(1) A
Connection diagrams
B
1
M D
1
D
_G
N
D
D1
D
2
D2
H
B
+
H
B
-
H
B
+
H
B
-
L N
Q
74
Q
84
Q
94
Q
71
1 2
3
F1
1
Y
1
1
Y
1
2
Y
1
4
Y
2
1
Y
2
2
Y
2
4
Y
3
4
Y
3
1
Y1
N1 N2
AC 230V
L
N
T
X
+
T
X
-
4
8
5
g
n
d
RS485
Y2
B1
F2
Y3
B1 External temperature sensor (optional) or pipe changeover sensor (application A8)
CR1 Compressor relay stage 1
CR2 Compressor relay stage 2
D1 Remote activation of Comfort mode
D2 Fault or emergency heating
F1 3-speed fan
F1 External supply line fusing, max. 10 A
F2 1-speed fan
N1 RRV851 controller
N2 QAX850 master room unit
RV Reversing valve
Y1 Cooling output
Y2 Heating output
Y3 Auxiliary heating, emergency heating or 2
nd
stage cooling
Y4 Valve actuator, AC 24…230 V
Typical connection