Introduction to the inverters
● Reinstallation of the front cover
Fix the front cover with the front cover installation screws. (Tightening torque: 1.4 to 1.9 Nm).
Tighten the front cover installation screws in the numerical order in the figure shown below.
Tighten
NOTES
When installing the front cover, fit the connector of the parameter unit securely along the guides
of the PU connector.
Before installing the front cover, check the waterproof gasket to make sure that it is not damaged.
If it is damaged, contact the nearest Mitsubishi FA center.
Securely install the front cover to fit the waterproof gasket closely. Do not let the waterproof gas-
ket get stuck between the front cover edge and the inverter. Otherwise, water may get into the
inverter. Also, do not let any foreign matter get stuck between the waterproof gasket and the
front cover.
Keep the waterproof gasket of the inverter clean. Otherwise, water may get into the inverter. If
there is any dirt on the gasket, make sure to remove it.
Fully make sure that the front cover is installed securely. Always tighten the mounting screws of
the front cover.
Frequency Inverters - Beginner's Guide
FR-A846-00170(5.5K) or lower
Removal and reinstallation of the front cover
FR-A846-00250(7.5K) or higher
Tighten
Tighten
Tighten
2 - 9