Hydraulic System (No Water Softener Group) - Blomberg DW 14110 NBL00 Service Manual

BUILT- UNDER DISHWASHER
8.2.

Hydraulic System (No water Softener Group)

The Standard wash cycle starts with drain cycle (1). Than the water inlet valve (2) is activated
by the electronic control board.
Intake water quantity is measured via flowmeter (3)
Intake water passas through water pocket(4) and the air break(5), than it is collected in the
sump(6).
After water inlet ic completed, circulation pump (8) is activated and it pumps the water to spray
arms (10-11-12), so that washing operation starts. If ther is only a diverter (9) on the pumping
line, all water is sparyed from the spray arms at the same time. But if the diverter is motorized
(9), than it is possible to pump water to lower(10 and upper (11-12) spray arms seperatelly.
The motorized diveter valve(9) is controlled with electronic control unit according to
proggrammed wash cycle.
The heater (7) located on the suction side of the pumping line, is activated where heating
operation needed to clean the dishes. The temperature of the washing water is controlled with
a NTC which is located inside the sump (6).
After finishing the reqired circulation, wash water is drained with drain pump (1). In a wash
cycle there is at least one step circulation with hot water and detergent. After washing with hot
water and detergent, there exists rinsing step(s). There is at least one hot rince cycle.
The dishwasher is equiped with overflow saftey system. When there is an uncontrolled water
inlet in to the dishwasher, the excess water flows outside the wash chamber via overflow
security pipes (13). The water collected inside the bottom tray (15). If the float mechanism(14)
swins and moves up, it activates the drain pump(1) and stops water inlet valve(2) to prevent
acces water flow outside the dishwasher.
51 2011