YASKAWA L1000A - Page 337

7.4 Drive Cooling Fans and Circulation Fans
YASKAWA ELECTRIC SIEP C710616 38F YASKAWA AC Drive - L1000A Technical Manual 337
Periodic Inspection & Maintenance
7
■ Cooling Fan Wiring: CIMR-LU20346, 20415, 40260, 40304, 50172 and 50200
1. Position the protective tube so that the fan connector sits in the center of the protective tube.
2. In the space between fans 1 and 2, place the fan connector for fan B2 in front of the fan connector for fan B1.
3. Place the connector for fan B3 between fans B2 and B3.
Figure 7.24
Figure 7.24 Cooling Fan Wiring: 20346, 20415, 40260, 40304, 50172 and 50200
4. Double-check the relay connector to ensure that it is properly connected.
5. Reattach the cable cover to its original position and tighten the screws so that the fan guard holds the cable cover
in place.
Note: Do not pinch the fan cable between parts when reassembling the fan unit.
■ Installing the Cooling Fan Unit
1. Reverse the procedure described above to reinstall the cooling fan unit.
Figure 7.25
Figure 7.25 Installing the Cooling Fan Unit: 20145 to 20415, 40216 to 40304, 50172 and 50200
2. Reattach the covers and digital operator.
3. Turn the power supply back on and reset the cooling fan operation time for the Maintenance Monitor by setting
o4-03 to 0.
Protective tube
Common
_TMonly
Cable cover
Fan B3
Fan B2
Connector for fan
Connector for fan B1
Connector for fan B2
Fan B1
common_TMonly
YEA_TMon
ly
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