Installation
Vacuum spray degassing — 06.07.2016 - Rev. B
English — 27
Terminal
number
Signal
Function
Wiring
1
PE
230 V power supply via mains cable and plug.
Pre-wired
2
N
3
L
4
PE
"PU" vacuum pump for degassing.
Pre-wired
5N
N
6 M1
M 1
7
Y2
Overflow solenoid valve
Not used in standard model
---
8
N
9
PE
10
Y 1
"CD" 3-ways motor ball valve for regulating the degassing of makeup
and system water.
Pre-wired
11
N
12
PE
13
COM
Group message (floating).
User, optional
14
NC
15
NO
16
Not assigned
External makeup demand from a pressurisation station; controller
must be set to "Levelcontrol"!
User, optional
17
Makeup (230 V)
18
Makeup (230 V)
19
PE shield
Level analogue input, not used by the device.
---
20
- Level (signal)
21
+ Level (+ 18 V)
22
PE (shield)
Pressure analogue input for display and makeup; controller must be
set to "Magcontrol"!
Pre-wired
23
- Pressure (signal)
24
+ Pressure (+ 18 V)
25
0 – 10 V (correcting
variable)
"CD" 3-ways motor ball valve, not used with the device.
---
26
0 – 10 V (feedback)
27
GND
28
+ 24 V (supply)
29
A
RS-485 interface.
User, optional
30
B
31
GND
32
+ 24 V (supply) E1
Supply for E1 and E2.
Pre-wired, bridged
33
E1
Contact water meter, for example in Fillset, see chapter 4.6 "Optional
equipment and accessories" on page 13 , for makeup evaluation,
contact 32/33 closed = meter pulse.
User, optional
34
E2
Insufficient water switch, not used with the device, contact 32/34
closed = OK.
Pre-wired, bridged
Summary of Contents for Servitec 30
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