LiqTec sensor inputs
Use Grundfos LiqTec sensor only.
Screened cable: 0.5 - 1.5 mm
2
, 28-16 AWG.
Grundfos Digital Sensor input and output, GDS*
Use Grundfos Digital Sensor only.
* Not applicable for TPE2, TPE2 D pumps. The built-
in sensor for TPE3, TPE3 D pumps is connected to
this input.
Power supplies
+5 V:
• Output voltage: 5 VDC - 5 %/+ 5 %.
• Maximum current: 50 mADC, sourcing only.
• Overload protection: Yes.
+24 V:
• Output voltage: 24 VDC - 5 %/+ 5 %.
• Maximum current: 60 mADC, sourcing only.
• Overload protection: Yes.
Digital outputs, relays
Potential-free changeover contacts.
Minimum contact load when in use: 5 VDC, 10 mA.
Screened cable: 0.5 - 2.5 mm
2
, 28-12 AWG.
Maximum cable length: 500 m.
Bus input
Grundfos GENIbus protocol, RS-485.
Screened 3-core cable: 0.5 - 1.5 mm
2
, 28-16 AWG.
Maximum cable length: 500 m.
34. Other technical data
EMC (electromagnetic compatibility)
Standard used: EN 61800-3.
The table below shows the emission category of the
motor.
C1 fulfils the requirements for residential areas.
Note: When connected to a public network, 11 kW
motors do not comply with the partial weighted
harmonic distortion (PWHD) requirements of EN
61000-3-12. If required by the distribution network
operator, compliance can be obtained in the following
way:
The impedance of the mains cables between the
motor and the point of common coupling (PCC) must
be equivalent to the impedance of a 50 m cable with
a cross-section of 0.5 mm.
C3 fulfils the requirements for industrial areas.
Note: When the motors are installed in residential
areas, supplementary measures may be required as
the motors may cause radio interference.
Motor
[kW]
Emission category
1450-2000 min
-1
2900-4000 min
-1
4000-5900 min
-1
0.25 C1 C1
0.37 C1 C1
0.55 C1 C1
0.75 C1 C1
1.1 C1 C1
1.5 C1 C1
2.2 C1 C1
3 C1 C1
4 C1 C1
5.5
C3/C1
11)
C1
7.5
C3/C1
11)
C3/C1
11)
11 -
C3/C1
11)
11)
C1, if equipped with an external Grundfos EMC filter.
Immunity: The motor fulfils the requirements for
industrial areas.
Contact Grundfos for further information.
98
English (GB)
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