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| Adjustment and maintenance operations
require lubrication. Air-tightness of the dampers, when the damper motor is in the closed position, must be visually
checked once a year. The damper motor is to be adjusted if the damper does not close tightly.
R.6.4.2 Video instruction — water trap — cleaning and reasssmbly
At least once a year the drip tray beneath the heat exchanger, as well as the drain and the water trap must be cleaned.
Take care that there is sufficient water in the water trap. If a droplet eliminator has been fitted, this must be checked
once a year and cleaned if necessary.
Drip tray with slope is not supported for the weight of a person. Do not walk or stay in the drip tray.
Demount this type of water trap regularly for careful
cleaning.
Note:
Information about disassembly, cleaning and
reassembly is available in a 2–minutes video
on YouTube.
https://youtu.be/5qMswv2c0SQ
R.6.5
Coils for heating and/or cooling
After an extended running period (normally a few years) dust particles can accumulate on the surface of the coil. This
can reduce the efficiency of the coil. Cleaning must be carried out with the utmost care to ensure that the coil fins are
not damaged.
The piping system must be vented automatically as air in the system can significantly reduce the capacity of the coil.
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