6 Commissioning/Start-up/Shutdown
23 of 36
KSB IE3-Motor
6.4 Start-up
WARNING
High sound pressure level > 70 dB(A) can occur during operation
Injury to the ear and hearing impairment. Hardness of hearing, tinnitus and hearing
loss can be caused!
▷
Wear ear protection!
▷
Observe the applicable local occupational health and safety regulations.
The motor must only be started from a standstill.
1.
Re-check the direction of rotation immediately after starting.
(
ð
Section 5.3.2, Page 19)
6.5 Operating limits
6.5.1 Voltages and frequencies
Motor operation off the rated point will cause a rise in motor temperature. A voltage
tolerance of ± 5 % and a frequency tolerance of ± 2 % are permissible.
Any situation where both the voltage and the frequency tolerance apply
simultaneously shall be governed by the provisions of range A as described in
EN60034-1. The motors can be operated continuously in range A. In accordance with
EN60034-1, prolonged operation in range B is not recommended.
6.5.2 Maximum permissible speed
Comply with the rotational speed indicated on the name plate.
6.5.3 Ambient temperature
CAUTION
Operation outside the permissible ambient temperature
Damage to the pump (set)!
▷
Observe the specified limits for permissible ambient temperatures.
Observe the following parameters and values during operation:
Table 15:
Permissible ambient temperatures
Permissible ambient temperature
Value
Maximum
40 °C
Minimum
- 20 °C
6.5.4 Altitude
▪
≤ 1000 m above MSL: without power derating
▪
> 1000 m above MSL: installation at altitudes of up to 4000 m above MSL is
possible with power derated by 3.8 % per 500 m.
6.6 Shutdown
The motor is only regarded as being shut down if it has been de-energised and the
shaft has stopped rotating.