Adjustment and maintenance operations |
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R.6.4 Cross flow and counter flow exchanger
Note:
Once a year the edges of the heat exchanger plates are to be checked for cleanliness and damage.
If there is dust on the edges of the plates, remove it with a soft brush. If grease or other such substances are present,
then the edges must be washed using grease dissolving detergents.
R.6.4.1 By-pass damper
The damper blades are fitted with synthetic bearings requiring no lubrication. Each damper blade is driven by a gear
drive of a temperature resistant glass fibre reinforced PA6 nylon composite. The steel rods and brass bushes do not re-
quire 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 Condensate water drain
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.
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