Kessel Comfort 230V Mono Operating Manual page 32

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
If required, signal generators or other accessories can be connected as potential-free contacts (42 V 0.5 A). The following
terminals are available for these:
Warning (event is displayed - e.g. alarm level exceeded) -normally closed-
Fault (fatal error - e.g. in electrical connection or safety systems) -normally open-
In the event of a fault, the function of the system can be directly impaired, there is a need for direct action. Contact the ser-
vice technician or emergency service.
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.
4.6 Connection diagram, Mono/Duo
a Mains input
b Pump 1
c Pump 2 (Duo only)
d Optical probe/level
probe
32 / 120
e Pressure sensor
f Individual sensor con-
figuration
g Ext. signal generator
(art. - no. 20162)
h Potential-free con-
tact (plug-in printed
boards for retrofitting.
art. no. 80072)
010-910