FRIEDHELM LOH Rittal 1194.42 Series, Руководство по сборке и эксплуатации

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9 Inspection and maintenance
Rittal cooling unit assembly and operating instructions page 11 of 28
free. All that may be required from time to time is to
clean the components of the external air circuit using
a vacuum cleaner or compressed air if they become
visibly dirty. Any stubborn, oily stains may be re-
moved using a non-flammable detergent, such as de-
greaser. Maintenance interval: 2,000 operating
hours. Depending on the level of contamination in the
ambient air, the maintenance interval may be re-
duced to suit the air pollution intensity.
Notice!
Caution!
Risk of fire!
Never use flammable liquids for
cleaning.
Sequence of maintenance measures:
–Check the level of dirt.
–Filter soiling? Replace the filter if necessary.
–Cooling membranes soiled? Clean if necessary.
–Activate test mode; cooling function OK?
–Check noise generation of compressor and fans.
Sequence of maintenance measures:
-Check the level of dirt.
-Filter soiling? Replace the filter if necessary.
-Cooling membranes soiled? Clean if necessary..
-Check noise generation of compressor and fans.
9.1 Compressed air cleaning
Figure 14: Break power
Figure 15: Twist off the screw on the top of the cover
Figure 16: Twist off the screw on the bottom of the cover
Figure 17: Open the cover
Figure 18: Disconnect the plug of the display