Electrical Installation - Grundfos Vaccuperm VGA-113 Installation And Operating Instructions Manual

5.1.3 Connecting the VGA-113 dosing regulator to the vacuum
lines
WARNING
Toxic material
Death or serious personal injury
‐
Before starting to connect, make sure that the valves
of all chlorine containers are closed.
Only tighten the union nuts of the vacuum connections by
hand, do not use any tools.
Make sure that the vacuum connections are clean and
dry.
The dosing regulator can be installed outside the chlorine room.
1. Connect the dosing regulator to the line from the vacuum
regulator (1).
2. Connect the line (3) from the dosing regulator to the injector.
3
Vacuum connections
Pos. Description
1 Vacuum line from the vacuum regulator
2 Overpressure line
3 Vacuum line to the injector
Related information
2.2 Product overview

5.2 Electrical installation

WARNING
Electric shock
Death or serious personal injury
‐
Before making any electrical connections, switch off
the power supply and make sure that it cannot be
accidentally switched on.
‐
All electrical connections must be carried out by a
qualified electrician in accordance with local
regulations.
‐
All electrical connections must be carried out in
accordance with the wiring diagram.
Before connecting the mains cable, make sure that the
voltage and frequency specified on the nameplate
correspond to the local power supply.
An incorrect supply voltage may destroy the device.
Route the input, output and power supply cables in
separate ducts.
Read the separate supplier manual of the respective
servomotor. Find the QR code on the nameplate of the
servomotor.
10
VGA-111
2
1
5.2.1 Servomotor wiring diagrams
52
51
L N
-
+
L1 N
PE
4(0) - 20 mA
Servomotor with mA input and output
SL (max.) SR (min.)
2 3 4 5
1
N
A
C
Servomotor with reversing potentiometer
Pos. Description
1 N Neutral
2 Phase Supply voltage input (direction open/max.)
3 Phase Supply voltage input (direction close/min).
4 Feedback max. end position
5 Feedback min. end position
PE (earth)
18 Start
19 Slider
20 End
A Motor control
B Reversing potentiometer
C Limit switch
54 56 57
55
-
+
250V AC / 30V DC
18 19 20
< 50 V
< 50 V
B