Yaskawa Varispeed-656 DC5 System Regen Converter - Manual (Page 23)

VS-656DC5 Enclosure Installation Manual
21 - 23
6.4 Enclosure Exchange Fan Unit
A fan unit for releasing hot air within the enclosure is installed in the ceiling of the enclo-
sure. Replace this fan periodically in accordance with section
6.2 Maintenance Inspection .
An alarm will sound if the fan fails. If this happens, replace the fan immediately.
■ ■ ■ ■ Replacement Method
1. Turn the circuit protector used by the fan unit at the top of the enclosure OFF.
2. Remove the mounting screws (M5
×
6)on the fan unit cover, then lift off the fan
unit cover. (See)
3. Remove the wiring on the inside of the enclosure, then remove the fan unit.
(See)
4. Install a new fan unit by reversing this removal procedure.
Circuit Protector
(for fan unit)
Figure 6.3 Circuit Protector for Fan Unit
Fan Unit Cover
Figure 6.4 Ceiling Mounted Enclosure Exchange Fan
Fan Unit
Figure 6.5 Exchange Fan Unit Removal