CM2N3205E / 05.2001 Siemens Building Technologies
12/18 Landis & Staefa Division
GM
B1 B2
B4 B9 Z3 GE E1 E2 E3 E4 E5 E6 E7 E8
GFY10 G GY20 GY30
UP UN
AZI65...
F91
Q24
3205G01
Q23
Q20
F92
G0
Q14
Q13
G AC 24 V operating voltage (system potential)
G0 AC 24 V operating voltage (system neutral)
M Measuring neutral
B1 Measuring signal from room or extract air temperature sensor (LG-Ni1000 Ω / DC 0...10 V)
B2 Measuring signal from supply air temperature sensor (LG-Ni1000 Ω / DC 0...10 V)
B4 Measuring signal from outside sensor (LG-Ni1000 Ω / DC 0...10 V)
B9 Measuring signal from frost protection unit (LG-Ni1000 Ω / DC 0...10 V)
Z3 Compensating signal from peripheral equipment (1000...1225 Ω / DC 0...10 V)
Y10 DC 0...10 V control signal for heating
Y20 DC 0...10 V control signal for cooling
Y30 DC 0...10 V control signal for heat recovery/mixed air dampers
Q20 AC 24 V control signal for compressor, dx-cooling or circulating pump
Q13, Q14 Potential-free relay contact to switch circulating pumps or an electric air heater battery
Q23, Q24 Potential-free relay contacts to switch fans
GE Signal voltage neutral for digitals status inputs
E1 Digital signal input "Fire/smoke"
E2 Digital signal input "Disturbed flow"
E3 Digital signal input "Circulating pump/electric air heater battery"
E4 Digital signal input "Common falut signal form chiller"
E5 Digital signal input "Fan, overcurrent"
E6 Digital signal input "Extended operation" (with automatic operation only
E7 Digital signal input, freely available
E8 Digital signal input, freely available
GF Signal voltage neutral for common fault status signals (AC/DC 5...42 V)
F91 Common fault signal according to alarm priority A (AC/DC 5...42 V)
F92 Common fault signal according to alarm priority b (AC/DC 5...42 V)
UN, UP Terminals (2...3) for communication
Note: LG-Ni1000 Ω sensors = Landis & Staefa standard
G
G
B1
B1
3205A02
BM
B2 B4 B9
MB4B9
Y10 Y20 Y30G0
N1
G0
MMMBBB
B2 M M M
G
G
B1
3205A04
R1
MB2 Z3
Y10 Y20 Y30G0
N1
G0
Y9
B4 B9
GG0
G0
N1 Controller RWI65.01
B1 QAA23/QAM22 room or extract air temperature sensor
B2 QAM22 supply air temperature sensor
B4 QAM22/QAC22 outside sensor
B9 QAD22.../QAE22...
R1 FZA61.11 remote setting unit
Internal diagram
Connection diagrams
Connections on the
measuring side
Connection diagramm 1:
Measuring part for tem-
perature with passive main
and auxiliary sensors
Connection diagramm 2:
Connection of an active
remote setting unit
Legend to connection
diagrams 1 and 2