Kessel Comfort Mono Manual page 33

4.5 Further connection possibilities
TeleControl GSM modem
Mount the TeleControl modem (art. no. 28792) as described in the corresponding installation instructions 434-033.
Routing the USB connection out
To ensure that the USB connection on the printed board can be accessed without opening the housing, a USB housing
socket with cable and connector for installation in the housing of the control unit can be ordered from KESSEL (art. no.
28785).
Diverse accessories - control units
External audible alarm art. no. 20162
Warning beacon art. no. 97715
Potential free contact art. no. 80072 (plug-on printed board)
Potential-free contact (optional accessories)
If required, a potential-free contact (42 V 0.5 A) can be installed as an accessory.
The potential-free contact opens in the event of faults (fatal error - e.g. in electrical connection or safety systems)
Select accessory part (e.g. warning beacon art. no. 97715) and attach in required location. Connect to the control unit as fol-
lows:
Make the connection as shown in the connection diagram.
Lead out the cable on the right-hand underside of the control unit. Replace existing blind plugs with rubber cable glands.
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