Operating instructions
W3G990-GZ02-91
`
II 2G Ex d e ib IIB T3 Gb
IBExU14ATEX1123 X /05
`
Translation of the original operating instructions
54008-4-8670
NOTE
Observe the minimum permissible temperature of -35°C
for connection of the cables at the terminals.
The terminals could be damaged.
→ Only connect the connection cables at temperatures above -
35°C.
DANGER
Faulty insulation
Risk of fatal injury from electric shock
→ Only use cables complying with the installation
specifications with regard to voltage, current, insulation
material, load rating etc.# Take care to route the wiring such
that it cannot come into contact with any rotating parts.
→ Only use cables designed for the current level indicated
on the type plate and approved for use in potentially
explosive atmospheres.
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.
5.2.1 Prerequisites
;
Check whether the data on the type plate agree with the connection
data.
;
Before connecting the device, ensure that the supply voltage matches
the operating voltage of the device.
;
Only use cables designed for the current level indicated on the type
plate; see chapter 5.3.3 Connecting cables with terminals. For
determining the cross-section, observe the basic principles according
to EN 61800-5-1. The protective earth must have a cross-section
equal to or greater than the phase conductor cross-section. We
recommend the use of 105°C cables.
;
Only use cables approved for the corresponding ambient temperature.
;
Do not subject the connection lines to impermissible strain.
;
Establish a safe protective earth connection.
;
Ensure compliance with the protection rating. The seals in the terminal
box from ebm-papst have been inspected for their suitability.
The motor must be connected in accordance with EN 60079-14.
Earth wire contact resistance to EN 61800-5-1
Compliance with the impedance specifications according to EN 61800-5-
1 for the protective earth connection circuit must be verified in the
application. Depending on the installation situation, it may be necessary
to connect an additional protective earth conductor to the extra protective
earth terminal on the device. The protective earth terminal with an earth
conductor symbol and a hole is located on the housing.
5.2.2 Power supply connection, fuse protection
Assignment of conductor cross-sections and the fuse protection required
for them (overload protection only, no device protection).
Nominal
voltage
Safety
fuse
Automatic
circuit
breaker
Wire
cross-
section
Wire
cross-
section
VDE
UL
VDE
mm²
*AWG
3/PE AC
380 - 440
VAC
16 A
15 A
C16A
1.5
16
3/PE AC
380 - 440
VAC
20 A
20 A
C20A
2.5
14
3/PE AC
380 - 440
VAC
25 A
25 A
C25A
4.0
12
* AWG = American Wire Gauge
5.2.3 Idle current
Because of the EMC filter integrated for compliance with EMC
limits (interference emission and interference immunity), idle
currents in the mains cable can be measured even when the
motor is at a standstill and the mains voltage is switched on.
●
The values lie in a range of typical < 250 mA.
●
The effective power in this operating state (readiness for operation) is
simultaneously at typical < 5 W.
5.2.4 Residual current operated device
Only universal (type B or B+) RCD protective devices are
permitted. Like frequency inverters, RCD protective devices
cannot provide personal safety while operating the device.
When switching on the power supply of the device, pulsed
charge currents from the capacitors in the integrated EMC filter
can lead to the RCD protective devices triggering without
delay. We recommend residual current devices with a trigger
threshold of 300 mA and delayed triggering (super-resistant,
characteristic K).
5.2.5 Leakage current
For asymmetrical power systems or if a phase fails, the
leakage current can increase to a multiple of the nominal value.
Item no. 54008-5-9970 · ENG · Revision 87791 · Release 2016-04-29 · Page 9 / 16
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · [email protected] · www.ebmpapst.com
