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Installation instructions
If the dishwasher has more than one drying zone, always adjust the drying zone
closest to the rinse zone first. Also adjust the next drying zone if the desired result
is not achieved after adjusting the first.
Throughout the adjustment process, it will help to check the temperature level and
the change in temperature in the pre-wash zone (this can be read on the
machine's touch panel). Strong fluctuations in temperature in the pre-wash zone
(e.g. if the temperature falls from 50°C to 47° C in three minutes) indicate that the
air flow through the machine is not in balance. If the machine is set correctly, the
temperature in the pre-wash zone should be stable at 48-49° C. If the machine is
equipped with an infeed with pre-rinse, the temperature in the pre-wash zone
should be 5-7° C higher.
Begin by adjusting the spreader plate in the roof of the drying zone. The guide
plates must be turned so that the straight part faces downwards.
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Once the air flow has been optimally adjusted in accordance with the above,
continue the adjustment using the guide plates at the fan outlet. Use the angled
side of the guide plates to strengthen the air flow in one direction or the other as
required. Attach the plates at the weld bolts, either on the fan outlet or on the
spreader plate. A greater or lesser strengthening of the air flow in one direction or
the other can be obtained by turning the guide plates in various directions and
placing them either on the fan outlet or the spreader plate.
•
WD-B 550S - WD-B 950S
Adjust the spreader plate so that it lies in the centre and there is an equal-
sized air gap on both sides. Check the direction in which the steam is
passing!
Increase the gap between the spreader plate and the fan outlet on the side
facing the outfeed if:
– any steam is leaking from the infeed
– the visible curtain at the outfeed is being drawn inward
– the air inside the drying zone is dry
– the temperature in the drying zone is low
Increasing the gap on this side will increase the air pressure against the
outfeed.
Increase the gap between the spreader plate and the fan outlet on the side
facing the infeed if:
– any steam is leaking from the outfeed
– the visible curtain at the infeed is being drawn inward
Increasing the gap on this side will increase the air pressure against the
infeed.
The biggest strengthening of the air flow can be achieved by placing the
guide plate on the side where the gap between the fan outlet and spreader
plate is widest, with the angled side facing downwards and turned so that
the tip points in the direction in which the increase in air flow is required, i.e.
away from the centre of the fan outlet. The guide plate must be positioned
so that the air flow blows onto the plate and is then angled in the direction
required. In this case, place the guide plate on the spreader plate.
28
Rev. (202209)
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