Connecting Cables And Plugs; Enclosure Class; Emc Protection; Ambient And Operating Conditions - Grundfos AR Serie Montage- Und Betriebsanleitung

3.2 Connecting cables and plugs

If there is a large distance between the dosing pump
and an AR control unit mounted on the wall, the
Note power supply cable and the motor cable can be
extended up to 20 metres
(cable cross-section: 1 mm

3.3 Enclosure class

Warning
The enclosure class is only met if the sockets are
protected! The data regarding the enclosure class
applies to AR control units with correctly inserted
plugs or screwed-on caps.
• IP65 (maximum).

3.4 EMC protection

Tests according to
DIN EN 50081-1
DIN EN 50082-2
DIN ENV 50140
DIN EN 50141
DIN V ENV 50204
DIN EN 55022 class B
DIN EN 61000-4-2
DIN EN 61000-4-5.
3.4.1 Required energy
Power supply for AC voltage, mains frequency 50/60 Hz
Rated voltage Permissible deviation from rated value
220-240 V
110-120 V
Maximum permissible mains impedance
(0.084 + j 0.084) Ohm (testing according to DIN EN 61000-3-11).
These details apply to 50 Hz.

3.5 Ambient and operating conditions

• Permissible ambient temperature: 0 °C to +40 °C.
• Permissible storage temperature: -20 °C to +70 °C.
• Permissible air humidity: max. relative humidity:
70 % at +40 °C, 90 % at +35 °C.
Warning
The AR control unit is NOT approved for operation in
potentially explosive areas!
Pumps with AR control unit are only suitable for
Caution
indoor use! Do not install outdoors!
2
).
± 5 %
± 5 %
5