Danfoss EC-C1200-450, Руководство пользователя

Страница: 61 / 69

Table 18. 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 Tightening torques .
X
Enclosure and
connected parts
Check cleanliness. Clean if necessary. See chapter Cleaning . 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 Tightening torques .
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
Tubing and
connection
tightness
No visible leakage. If leaking, tighten connections appropriately, or replace
parts.
X
Ventilation plug Cleanliness. Clean if necessary. See chapter Cleaning . X
Coolant quality
Use the coolant as speci ed (proper glycol and water/glycol mixture
appropriate). Re ll if necessary. See Chapter Cooling system maintenance .
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-C1200-450
7. Maintenance
60 |
©
Danfoss | Produced By: Danfoss Power Solutions | January 2019
| BC265735231757en-000109