Table 11. Maintenance intervals
Object
Check/Task
Weekly Monthly Yearly
General
construction
Operation
Abnormal phenomenon, for example noise or heating. If clearly increased,
contact Danfoss representative.
X
Mounting
Tightness of the screws. Tighten to proper value if necessary. Applies to screws
that are presented in this user guide. See chapter
X
Enclosure and
connected parts
Check cleanliness. Clean if necessary. See chapter
X
Electrical
system
Cables
Visual check, for example wear. Replace if necessary.
X
Electrical
connections
Check connections. Ensure that sufficient tightening torque is applied to cable
glands. See chapter
X
Groundings
(earthings)
Check groundings (earthings). Ensure that the connection resistance is valid.
Re-connect if necessary.
X
Cooling
system
Operation
Functioning. Cooling system functions as speci ed.
X
Ventilation plug Cleanliness. Clean if necessary. See chapter
X
Cleaning
Do not use pressure washer for cleaning. High water pressure may damage the gaskets allowing water to go in to the
electric device.
Risk of electric shock if the electric device is cleaned against instructions allowing water to go in to the electric device.
Keep the electric device clean. For cleaning, use non-abrasive and non-corrosive cleaning
products. Make sure that the detergent can be used for aluminum.
When cleaning the air vents, do not open / remove the vents. Clean the vents from the outside.
EC-LTS1200-410
7. Maintenance
38 |
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Danfoss | Produced By: Danfoss Power Solutions | September 2020
| BC355449988603en-000101