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K3G400-PA29-19
3.5 Transport and storage conditions
; Use the device in accordance with its protection type.
Max. permissible
+80 °C
ambient motor temp.
(transp./ storage)
Min. permissible
-40 °C
ambient motor temp.
(transp./storage)
3.6 Electromagnetic compatibility
If several devices are switched in parallel on the mains side so
that the line current of the arrangement is in the range of 16 - 75
A, then this arrangement conforms to IEC 61000-3-12 provided
that the short-circuit power S
customer system to the public power system is greater than or
equal to 120 times the rated output of the arrangement.
It is the responsibility of the installation engineer or operator/
owner of the device to ensure, if necessary after consultation
with the network operator, that this device is only connected to
a connection point with a S
to 120 times the rated output of the arrangement.
4. CONNECTION AND START-UP
4.1 Connecting the mechanical system
CAUTION
Cutting and crushing hazard when removing device
from packaging
→ Carefully remove the device from its packaging, only
touching the housing. Strictly avoid shocks.# Wear safety
shoes and cut-resistant safety gloves.
CAUTION
Device weighs more than 25 kg! Heavy load when
removing the device!
Risk of physical injury, such as back injuries.
→ Use suitable hoisting equipment to remove the device from
the packaging.
NOTE
Damage to device from vibration
Bearing damage, reduced service life
→ Forces or impermissibly high vibration levels must not be
transmitted to the fan from system components. #If the fan is
connected to air ducts, it should isolated from vibrations, for
example using compensators or similar elements. #Fasten
the fan to the substructure without distorting it.
; The fan may not be handled in the area around the inlet nozzle during
transport and installation.
There is a risk of damage to the impeller.
; Check the device for transport damage. Damaged devices must no
longer be installed.
; Install the undamaged device according to your application.
Item no. 55251-5-9970 · ENG · Revision 91062 · Release 2016-10-05 · Page 6 / 12
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
Operating instructions
at the connection point of the
sc
value that is greater than or equal
sc
CAUTION
Possibility of damage to the device
Serious damage may result if the device slips during assembly.
→ Keep the device fixed in position at the installation location
until all attachment screws have been tightened.
4.2 Connecting the electrical system
DANGER
Electric voltage on the device
Electric shock
→ Always install a protective earth first.
→ Check the protective earth.
DANGER
Incorrect insulation
Risk of fatal injury from electric shock
→ Use only cables that meet the specified installation
requirements for voltage, current, insulation material, load etc.
→ Route cables such that they cannot be touched by any
rotating parts.
DANGER
Electrical load (>50 µC) between mains wire and
protective earth connection after switching of the supply
when switching multiple devices in parallel.
Electric shock, risk of injury
→ Make sure that sufficient protection against accidental contact
is provided.
Before working on the electrical connection, the
connections to the mains supply and PE must be shorted.
CAUTION
Electrical voltage
The fan is a built-in component and features no electrically
isolating switch.
→ Only connect the fan to circuits that can be switched off with
an all-pole separating switch.
→ When working on the fan, you must switch off the
installation/machine in which the fan is installed and secure it
from being switched on again.
NOTE
Interferences and failures are possible
Maintain a distance to the power supply line when routing the
control lines of the device.
→ Ensure a sufficiently large clearance.
Recommendation: clearance > 10 cm (separate cable
routing)
NOTE
Water penetration into leads or wires
Water enters at the cable end on the customers side and can
damage the device.
→ Make sure that the cable end is connected in a dry
environment.
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