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NOTE:
The operation of the HRU is automatically controlled by the dishwasher
control circuit. The HRU has a control that is accessed only by a trained
service technician.
Refer to the illustration below to prepare the HRU for operation.
1.
Open the top cover of the HRU and remove any foreign objects.
(Refer to the cleaning section on the next page for detailed cleaning instructions.
2.
Make sure the access cover is in place and secured by its retaining studs.
3.
Make sure the vent adjustment handle is secure and set to its normal operating
position.
Automatic Operation:
1.
The HRU operates whenever the dishwasher pumps run.
2.
Hot air from the dishwasher interior is recycled through the HRU and exhausted
from the HRU vent which has been permanently connected to the building vent system.
3.
A small amount of exhaust air may exit the unload end of the dishwasher. This is a
normal condition.
4.
The HRU is off whenever the dishwasher pumps are not running.
Top Cover
Operation
Operation
Vent Adjustment Handle
Access Cover
9
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