25
Fig. 20
Legend:
7.1.1 Mains supply
POWER, terminals 1, 2 and PE:
Connect terminals 1 and 2 to the phase and neutral
leads of the mains supply. Each terminal can be con-
nected to any of the two leads.
Connect the PE terminal to the green/yellow earth
lead. Each PE terminal must be connected to an
earth lead of its own.
Maximum cross-section of the leads to be connected
is 6 mm².
Back-up fuse: Maximum 16 A.
Note: The leads of the mains supply must not be
connected to terminals 3 and 4 (PUMP).
7.1.2 Pump supply
PUMP, terminals 3, 4 and PE:
Connect terminals 3 and 4 to the phase and neutral
leads of the pump. Each terminal can be connected
to any of the two leads.
Connect the PE terminal to the green/yellow earth
lead. Each PE terminal must be connected to an
earth lead of its own.
Maximum cross-section of the leads to be connected
is 6 mm².
7.1.3 Pressure sensor
SENSOR, terminals 5, 6 and 7:
Terminals 5, 6 and 7 (SENSOR) are used for the
pressure sensor.
Sensor signals:
The sensor to be connected must give signals within
one of the following ranges:
• 0-10 V.
• 2-10 V.
• 0-20 mA.
• 4-20 mA.
Changeover between current and voltage signals is
carried out by means of the R100.
Important!
The total load of terminal 5 (+24 VDC) must not
exceed 100 mA.
TM01 7720 4999
POWER
PE
PUMP
PE
LNLN
4
1
3
2
SENSOR
5
6
7
+24V IN
GND
1 234
Pos. Description
1
Standard pressure sensor.
+ 24 VDC, brown lead, terminal 5.
2
Standard pressure sensor.
Input signal, black lead, terminal 6.
3
Standard pressure sensor.
Screen, terminal 7.
4 Standard pressure sensor.
Subject to alterations.
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