Operating Instructions (GB)
900 191 - V1.0
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Page 7
6.
Electrical connection of base circuit board
The electrical hook-up to the control system depends on the equipment, the number of pump
connections and the desired functionalities. Please refer to the respective chapters or any
separately included wiring diagrams for special wiring specifications.
6.1
Connection diagram of the front base circuit board (GLP)
Designation
Explanation
GLP (A2 / X2)
Base circuit board
F1 / N
Mains connection
2x 230V AC / 1A
F1
Control fuse
230 V / inertia 3.15 A
B11 – B12
Jumper bar
Not used
B21 – B22
Jumper bar
Not used
11 / 12 / 14
Alarm relay 1
Potential-free changeover contacts
21 / 22 / 24
Alarm relay 2
31 / 32 / 34
Alarm relay 3
HW+ / HW-
Separate high water float switch
ME1+ / ME1-
Signal input 1
External shutdown / frost monitor mode
ME2+ / ME2-
Signal input 2
External error
4…20mA
Analogue input
Connection for level probe 4 ... 20 mA
Stagnation pressure Plug-in base pressure module
Not used
24V+ / 24V-
24V DC outgoing circuit max. 0.5 A
Connection of a flashing signal / horn
DAC+ / DAC-
Analogue output 4..20 mA
Forwarding of the fill level signal
Fig. Terminals X2
Fig. Terminals X2