Xylem HYDROVAR HVL 2.015 Traduction Des Instructions D'origine page 30

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1.
26
GX, electronic ground
25
RS485 port 2: RS485-2P
24
RS485 port 2: RS485-2N
23
Ground for external fan control
22
External fan control
21
External switch (SOLO RUN) input (Ground)
20
External switch (SOLO RUN) input
19
Ground for external ON/OFF input
18
External ON/OFF input
17
Ground for low water input
16
Low water input
15
Ground for configurable digital input 1
14
Configurable digital input 1
X1
13
GX, electronic ground
12
RS485 port 1: RS485-1P
11
RS485 port 1: RS485-1N
10
Ground for auxiliary voltage supply
9
Auxiliary voltage supply
+10VDC
8
PTC or thermal switch input (Ground)
7
PTC or thermal switch input
6
Ground for external sensor 2
5
Actual value current / voltage input sensor 2
4
Power supply for external sensor 2
+24VDC
3
Ground for external sensor 1
2
Actual value current / voltage input sensor 1
1
Power supply for external sensor 1
+24VDC
X1
30
}
RS485 port 2 for external communication.
Modbus / Bacnet
}
!
External fan
(Not to be used: only for Wall Mounting kit connection!)
}
Internal interface for multi-pump system
NHG_DIGIT_ANALOG_INPUT_X1_A_SC