Sun Yeh Electrical M Series, Operation Manual, Page: 46 / 75

【M Series】Multi-turn Electric Valve Actuator
43
2021.06

If the motor temperature exceeds the value set in “Motor Temp Warning” and the
"Motor Temp Protection" is set at Enable, the motor will be operated at the lowest
speed. After temperature is lower than the value set in “Motor Temp Warning”, the ac-
tuator run at the set speed again.

Default
：
Enable.
[
Motor Temp Protection
]
Motor High Temperature Protection

When the motor temperature is higher than 135
℃
( 275
℉
), the protection function
will be activated automatically to stop the motor running. Af-
ter the motor temperature is lower than 135
℃
(275
℉
), the protection function will
be based on the setting in “ Motor Temp Warning“ and “ Motor Temp Protection”.