GD350A series high-performance multifunction VFD
-2-
Symbols
Name
Instruction
Abbreviation
symbols on the machine) after power
off to prevent electric shock
Read
manual
Read the operation manual before
operating on the equipment
Note
Note
Actions taken to ensure proper
operation
Note
1.4 Safety guidelines
Only trained and qualified electricians are allowed to carry out related
operations.
Do not perform wiring, inspection or component replacement when power
supply is applied. Ensure all the input power supplies are disconnected before
wiring and inspection, and wait for at least the time designated on the VFD or
until the DC bus voltage is less than 36V. The minimum waiting time is listed in
the table below.
VFD model
Minimum waiting time
1R5G/2R2P–110G/132P
5 min
132G/160P–315G/355P
15 min
355G/400P and higher
25 min
Do not refit the VFD unless authorized; otherwise, fire, electric shock or other
injuries may occur.
The base of the radiator may become hot during running. Do not touch to avoid
hurt.
The electrical parts and components inside the VFD are electrostatic. Take
measures to prevent electrostatic discharge during related operation.
1.4.1 Delivery and installation
Install the VFD on fire-retardant material and keep the VFD away from
combustible materials.
Connect the optional braking parts (braking resistors, braking units or feedback
units) according to the wiring diagram.
Do not operate on a damaged or incomplete VFD.
Do not touch the VFD with wet items or body parts; otherwise, electric shock may
occur.
Note:
Select appropriate tools for delivery and installation to ensure a safe and proper running of the
