Safety Regulations
1.
The frequency converter must be disconnected from mains if repair work is to be carried out. Check that
the mains supply has been disconnected and that the necessary time has passed before removing motor
and mains plugs.
2.
The [STOP/RESET] key on the of the frequency converter does not disconnect the equipment from mains
and is thus not to be used as a safety switch.
3.
Correct protective earthing of the equipment must be established, the user must be protected against supply
voltage, and the motor must be protected against overload in accordance with applicable national and local
regulations.
4.
The earth leakage currents are higher than 3.5 mA.
5.
Protection against motor overload is set by par. 128
Motor Thermal Protection
. If this function is desired, set
par. 128
Motor Thermal Protection
to data value [ETR trip] (default value) or data value [ETR warning]. Note:
The function is initialized at 1.16 x rated motor current and rated motor frequency. For the North American
market: The ETR functions provide class 20 motor overload protection in accordance with NEC.
6.
Do not remove the plugs for the motor and mains supply while the frequency converter is connected to
mains. Check that the mains supply has been disconnected and that the necessary time has passed before
removing motor and mains plugs.
7.
Please note that the frequency converter has more voltage inputs than L1, L2 and L3, when load sharing
(linking of DC intermediate circuit) and external 24 Vdc have been installed. Check that all voltage inputs
have been disconnected and that the necessary time has passed before commencing repair work.
TR1
2800
Series
VFD
5
High Voltage Warning
WARNING
The voltage of the frequency converter is dangerous whenever it is connected to mains. Incorrect installation of the
motor or frequency converter could result indeath, serious injury or damage to the equipment. Consequently, it is
essential to comply with the instructions in this manual as well as local and national rules and safety regulations.
Safety Note
WARNING
The voltage of the frequency converter is dangerous whenever connected to mains. Incorrect installation of the motor,
frequency converter or fieldbus could result in death, serious personal injury or damage to the equipment. Conse-
quently, the instructions in this manual, as well as national and local rules and safety regulations, must be complied
with.
WARNING
Failure to follow instructions below could result in dea th or serious injury.
Safety
Содержание VarioTrane TR1 2800 Series
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Страница 87: ...Illustration 5 7 192H4719 Illustration 5 8 192H4720 86 TR1 2800 Series VFD...
Страница 95: ...Branch Circuit Protection Short circuit protection 94 TR1 2800 Series VFD...
Страница 107: ...All about TR1 2800 Series VFD 106 TR1 2800 Series VFD...