User Manual

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Building Technologies Division CC1N7495en
20.04.2016
Technical data (cont’d)
Pressure sensor (X11)
- Output voltage LMU7...
- Current
- Input voltage LMU7...
- Cable length
- Huba Control
- Huba Control
- Imit
Min. DC 9 V at 5 mA
Typical DC 14 V at 5 mA
Max. DC 19 V at 5 mA
Max. DC 20 V at 0 mA
Max. 10 mA
DC 5 V (measuring range 0.5…3.5 V)
with a load of 12 k
3 m
0…4 bar (type 502)
0…10 bar (type 503)
On request
Heating circuit Flow Switch (X11)
- Output voltage LMU7...
- Contact resistance
- Cable length
Min. RAC 19 V at 7 mA
Typical RAC 26 V at 10 mA
Max. RAC 31.5 V at 12 mA
(50 Hz half-wave rectified)
Max. 300 
3 m
DHW Flow Switch (X11)
- Output voltage LMU7...
- Contact resistance
- Cable length
Min. RAC 19 V at 7 mA
Typical RAC 26 V at 10 mA
Max. RAC 31.5 V at 12 mA
(50 Hz half-wave rectified)
Max. 300 
3 m
Safety shutdown / gas pressure switch
(X10-03)
- Output voltage LMU7...
- Contact resistance
- Cable length
Min. RAC 19 V at 7 mA
Typical RAC 26 V at 10 mA
Max. RAC 31.5 V at 12 mA
(50 Hz half-wave rectified)
Max. 300 
5 m
Programmable digital input / air pressure
switch (X10-04)
- Output voltage LMU7...
- Contact resistance
- Cable length
Min. RAC 19 V at 7 mA
Typical RAC 26 V at 10 mA
Max. RAC 31.5 V at 12 mA
(50 Hz half-wave rectified)
Max. 300 
5 m
Room thermostat / time switch 2 (X10-01)
Room thermostat 1, time switch 1
(X10-02)
- Output voltage LMU7...
- Contact resistance
- Cable length
Min. RAC 19 V at 7 mA
Typical RAC 26 V at 10 mA
Max. RAC 31.5 V at 12 mA
(50 Hz half-wave rectified)
Max. 300 
40 m
Stepper motor control for combustion op-
timization (X12)
- Cable length
Refer to VGU… specification
1 m