Receipt of delivery vacon • 17
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
3
Coolant leakage 3 months Based on inspection
Open the cubicle doors and check
that there are no visible leaks on
cooling unit or coolant manifold con-
nections. If you find a leak, shut down
the unit and repair the leak.
Table 4. VACON
®
Liquid-Cooled AC drive maintenance program, cabinet, cabling and connections
Inspection
target
Inspection
intervals
Service schedule Proactive maintenance actions
Cabinet, auxil-
iary devices
(contactors,
switches, relays,
push buttons,
indicators, etc.)
1 year
According to manufac-
turer information
Replace parts according to service
schedule or based on maintenance
report recommendation.
Sealings 1 year Based on inspection
Check cabinet and drive sealings.
Check visually cable bushing. Correc-
tive actions based on findings.
Visual inspec-
tion of cablings
1 year 1 year
Visual inspection for possible dam-
ages and so on, due to, for example,
vibration. Actions based on inspec-
tion.
Tightness of
connections
1 year 1 year
Check and tighten the cable and wire
connections.
Radiator cool-
ing fans and
control com-
partment fans
1 year 5 years
Check the operation of the fans and
measure the radiator fan capacitor
every 2 years. Replace parts accord-
ing to service schedule or based on
maintenance report recommenda-
tion.
Table 3. VACON
®
Liquid-Cooled AC drive maintenance program, liquid cooling system
Inspection
target
Inspection
intervals
Service schedule Proactive maintenance actions