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7.4 Replace Cooling Fans and Circulation Fans
YASKAWA
SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
389
7.4
Replace Cooling Fans and Circulation Fans
CAUTION!
Injury to Personnel. Some fan units are not easily accessible from a standing position. Make sure that you can
safely and comfortably remove and replace the fan. If you try to remove a fan that you cannot easily access, the fan unit can fall
and cause minor to moderate injury.
NOTICE:
Use the instructions in this manual to replace the cooling fans. When you do maintenance on the fans, replace all the
fans to increase product life. If you install the fans incorrectly, it can cause damage to the drive.
◆
Number of Cooling Fans and Circulation Fans Used
Table 7.7 Cooling Fans and Circulation Fans (Three-Phase 200 V)
Model
Cooling Fan
Circulation Fans
Replacement Procedure
2003 to 2011
-
-
-
2014, 2018
1
-
Procedure A
2025, 2033
2
-
Procedure B
2047
2
-
Procedure C
2060 to 2088
2
-
Procedure D
2115 to 2283
2
-
Procedure E
2346, 2415
3
1
Procedure F
Table 7.8 Cooling Fans and Circulation Fans (Three-Phase 400 V)
Model
Cooling Fan
Circulation Fans
Circuit Board Cooling Fans
Replacement Procedure
4002 to 4005
-
-
-
-
4006 to 4009
1
-
-
Procedure A
4015, 4018
2
-
-
Procedure B
4024, 4031
2
-
-
Procedure C
4039 to 4060
2
-
-
Procedure D
4075 to 4260
2
-
-
Procedure E
4304
2
1
-
Procedure F
4371
3
1
-
Procedure F
4414 to 4605
2
1
2
Procedure G
◆
Fan Replacement (Procedure A)
DANGER!
Electrical Shock Hazard. Do not examine, connect, or disconnect wiring on an energized drive. Before servicing,
disconnect all power to the equipment and wait for the time specified on the warning label at a minimum. The internal capacitor
stays charged after the drive is de-energized. The charge indicator LED extinguishes when the DC bus voltage decreases
below 50 Vdc. When all indicators are OFF, remove the covers before measuring for dangerous voltages to make sure that the
drive is safe. If you do work on the drive when it is energized, it will cause serious injury or death from electrical shock.
CAUTION!
Burn Hazard. Do not touch a hot drive heatsink. De-energize the drive, wait for a minimum of 15 minutes, then make
sure that the heatsink is cool before you replace the cooling fans. If you touch a hot drive heatsink, it can burn you.
NOTICE:
Use the instructions in this manual to replace the cooling fans. When you do maintenance on the fans, replace all the
fans to increase product life. If you install the fans incorrectly, it can cause damage to the drive.
Содержание CR700
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Страница 422: ...7 7 Storage Guidelines 422 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual ...
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