User Manual of TI120 Series Variable Frequency Drive
consistent with the nameplate of the product, otherwise equipment damage may be caused!
Check whether there is short circuit in the peripheral circuit connected to the variable
frequency drive and whether the wiring is tight, otherwise the equipment damage may be
caused!
Before operation, please make sure that the motor and machinery are within the allowable
range of use, otherwise the equipment may be damaged!
It is forbidden to touch the fan, radiator and brake resistor directly; otherwise there is a risk
of mechanical damage and scalding!
D
o not control the start and stop of the variable frequency drive frequently by switching on
and off, otherwise there is a risk of equipment damage!
Before switching on/off the variable frequency drive output switch or contactor, it must
make sure that the variable frequency drive is in a no-output state, otherwise there is a risk of
equipment damage!
■ Maintenance
Danger
Product maintenance, inspection or replacement of parts must be carried out by engineers
with professional qualifications!
It is forbidden to maintain, inspect or replace parts of the product with electricity; otherwise
there is a risk of electric shock!
It must wait for 10 minutes at least after power failure to ensure the residual voltage of
electrolytic capacitor drops below 36V before maintaining, inspecting or replacing the parts!
After replacing the variable frequency drive, it must be executed again in strict accordance
with the above procedures!
Note
When maintaining, inspecting or replacing the parts, it shall not touch the part body;
otherwise there is a risk of electrostatic damage to the part!
All pluggable devices can only be plugged and unplugged when power is off!
