YY introduction motor for applicatiopns where uni-directional continuouis situation, such as production line, automatic machine, printing machine, etc.

YN reversible motor for applications where the motor frequent starting and stoping, such as auto vending machine, packing and lifting machine, etc.

ATTENTION
1. Connect wire in right way
When it is no-load or overload, Do not run motor in low speed for long time to avoid high temperatue rise.
2. Don't drag the expansion line of tachogenerator.
3. Do not disassemble or reassemble the gear head to avoid noise.
4. Do not beat or press when the motor connecting to the load, in order to avoid internal deformation which will in turnb cause noise and dead lock.