User Manual
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Siemens RXL39.1 – Room controller CM2N3876en_10
Building Technologies 2015-12-23
Connection terminals
CP –
CP +
CE –
CE +
3876A08
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
M
D1
GND
D2
B1
Bus
12 4 3
QAX...
T
23
24 25
26
Q13
Q14
AC 230 V
Q33
5(4) A
19 19 21
N
L
N
21
L
CE
–
CE +
B2
Ni1000
29 30 31 32
D3
GND
D4
N.C.
YC1
G0
G
YC2
G0
YC3
0 ... 10 V
AC 24 V
0 ... 10 V
0 ... 10 V
27
Q34
N.C.
24 ... 230 V
10 A
Measured value input
B1
1
Measured value input for LG-Ni 1000 sensors
M
2
Measured value input ground
B2
3
Measured value input for LG-Ni 1000 sensors
Signal inputs
D1
4
Signal input
GND
5
Signal ground
D2
6
Signal input
D3
7
Signal input
GND
8
Signal ground
D4
9
Signal input
N.C.
10
Do not use this terminal as an auxiliary terminal!
0 … 10 V outputs
YC1
11
0 … 10 V Heating control signal
G0
12
Signal ground
G
13
AC 24 V max. 6 VA
YC2
14
0 … 10 V Cooling control signal (heating / cooling in case of changeover)
G0
15
Signal ground
YC3
16
0 … 10 V Fan control signal
Bus (plug-in connection)
CE+
17
Bus
CE–
18
Bus
Power supply
N
19
Neutral conductor
L
21
Phase conductor AC 230 V +/- 10 %
Relay outputs
Q13
23
Feed for Q14
Q14
24
Normally-open contact, max. AC 250 V, 1.8 kW, max. 10 A (Electric heating)
Q33
26
Feed for Q34
Q34
27
Normally-open contact, max. AC 250 V, 5(4) A (controlled fan)
Room unit
CP–
29
PPS2 ground
CP+
30
PPS2 data
CE+
31
Bus
CE–
32
Bus
• Observe the technical data for the relay outputs: max. AC 250 V, 5 (4) A
• External fuse (essential!): max. 10 A
• Local installation regulations must be observed.
Proprietary RJ45-type tool socket
1
3206Z01
2 3 4 5 6 7 8
1 Bus (CE+)
2 Bus (CE–)
3 Not used
4 Not used
5 +12VDC
6 RxD
7 PPS2 (CP+) / TxD
8 PPS2 (CP–)
Caution!
Tool socket