
Tandem door air curtains
Door air curtains with patented Tandem technology
Assembly, installation and operating instructions
34
7.3
Electromechanical with fault alarm contact (*T)
7.3.1 Connection (*T)
Wiring description:
The mains voltage is wired to the voltage supply terminals on the door air curtain.
Continuously variable speed control via an active 0-10 VDC signal (speed controller type 30510, compact controller type
30158 or by the customer).
Internal evaluation of a possible motor fault and switch off of the EC fans and potential-free fault signal contact.
Setting option for maximum speed of EC fans via potentiometer.
The heating valve (if fitted) can be opened or closed by the compact controller type 30158 or an on-site 230 V AC
voltage output.
Power supply
Fault message
Control signal
Control by thermostat
Valve drive
F1
F2
X1
X2
X3
X5
Fig. 22: PCB in junction box
Technical details for inputs/outputs and fuses on the PCB
Input impedance 0-10 V
100 kΩ
Fault signal contact
U = max. 60 V AC/DC I = max. 1 A
Fuse F1
1 A
Fuse F2
4 A
Tab. 8: Inputs and outputs on the power board
Summary of Contents for Tandem Series
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