Data Sheet for Product

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Siemens Central apartment unit with consumption data acquisition QAX913 CE1N2740en
Building Technologies 2016-01-30
1 Type of room unit
2 Room temperature sensor
1 Heating circuit controller with a maximum of six channels*
6 Radiator control actuators (1 master controller, 0 - 5 parallel controllers)
or heating circuit controller channels
6 Window switches
1 Smoke detector (KNX TP / S-Mode only)
Radiator control actuators and heating circuit controllers cannot be used simulta-
neously in the same room.
Warranty
Application-related technical data are only warranted in connection with the Sie-
mens Synco living system.
User is responsible for proper operation of QAX913 when used together with
third-party devices not specifically mentioned here. Siemens assumes no
responsibility for service and warranty under these circumstances.
Technical data
Operating voltage
AC 230 V (
±
10%)
Frequency
50 Hz
Power consumption (with no extern. load)
Max. 7 VA
External supply line protection
Slow
-blow fuse max. 10 A
or
Circuit breaker max. 13 A
Characteristic B, C, D according to EN 60898
Reserve of clock
Typically 72 hours
RF
868.3 MHz (bidirectional)
Range
typically 30 m in buildings
RF protocol
KNX RF-compatible
Bus protocol / type
KNX TP
Bus pow
er supply
Simplified bus power supply, 12.5 mA; bus
power supply may only be switched on for
operating an OZW771 or OZW772.
Service interface
RJ45 socket on underside of housing
Fully graphic backlit display (white background)
Type
LG-Ni1000 resistance, on / off
Number
1
Measuring range
0…120 °C
Copper cable 0.6 mm dia.
Copper cable 1 mm
2
Copper cable 1.5 mm
2
Max. 20 m
Max. 80 m
Max. 120 m
Number
1
Type
NO
contact AC 24…230 V,
AC 0.02…2 (2) A
External supply line protection
See section power supply
Screw terminals for
Max. 1.5 mm
2
Limitations per room
Note *
Power supply
Radio communication
Wired communications
Display
Universal input
Permissible cable length to
sensor or external switch
Relay output
Electrical connections