Danfoss VACON 1000, Operating Manual

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1.
Maintenance
item Maintenance
interval Maintenance task
Check the heater and humidistat. Set the threshold of the humidistat below the ambient hu-
midity and check that the heater starts working. After testing, set the threshold to 80%.
Check the high voltage electric display light and that the second locked circuit is normal.
Check that the thermal relay setting value is correct.
Do a close test for the vacuum contactor or breaker, and check that the operation and feed-
back status is correct.
Check that the fuse and breaker is normal and there are no burn marks.
UPS battery Every 3 years
Change the battery every 3 years for reliable operation.
Every 3 months
If the drive is stored for over 3 months and is not turned on during that time, charge the UPS
battery for 8 hours.
Charge spare storage batteries every 3 months.
HMI Depending on
condition
The brightness of the HMI decays over time. The lifetime depends on the use conditions.
High voltage
electric display
device Every 4 years
Change every 4 years for reliable operation.
Cooling fan Every 4 years
Change every 4 years.
Indicator Every 5 years
Change every 5 years.
Switching
power supply Every 10 years
Change every 10 years.
Power cells 1 year
If a stored power cell has not been energized in the last 1 year, the electrolytic capacitors
must be reformed.
If the drive is stored for more than 2 years, high voltage cannot be applied directly to the
drive. Raise the input voltage gradually to wait until the capacitors are charged properly.
9.4 Replacing the Air Filters
9.4.1 Air Filters of Standalone Cabinets
Procedure
Loosen the screws on the air filter cover.
e3
0b
i6
82
.1
0
A
B
Illustration 69: Releasing the Filter Cover
A Screws
AQ363633621020en-000201 / 172F3117 82 | Danfoss A/S © 2021.06
Maintenance
VACON® 1000
Operating Guide