1.
NHG_DIGIT_ANALOG_INPUT_X1_A_SC
X1
14
15
16
17
18
19
20
21
22
23
24
26
25
X1
1
2
3
4
5
6
7
8
9
10
11
13
12
Ground for external sensor 1
Actual value current / voltage input sensor 1
Power supply for external sensor 1
+24VDC
Actual value current / voltage input sensor 2
Power supply for external sensor 2
+24VDC
Ground for external sensor 2
PTC or thermal switch input
PTC or thermal switch input (Ground)
External switch (SOLO RUN) input
External switch (SOLO RUN) input (Ground)
Auxiliary voltage supply
Ground for auxiliary voltage supply
+10VDC
RS485 port 1: RS485-1N
RS485 port 1: RS485-1P
GX, electronic ground
}
Internal interface for multi-pump system
Configurable digital input 1
Ground for configurable digital input 1
Low water input
Ground for low water input
External ON/OFF input
Ground for external ON/OFF input
External fan control
Ground for external fan control
}
External fan
(Not to be used: only for Wall Mounting kit connection!)
!
RS485 port 2: RS485-2N
RS485 port 2: RS485-2P
GX, electronic ground
}
RS485 port 2 for external communication.
Modbus / Bacnet
it en fr de es pt nl pl ru
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