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Operating instructions
4.3.6 Cleaning the heat recovery unit in the event of an alarm or once / year
4.3.7 Periodic servicing
N.B.! When rinse cleaning the heat recovery unit and the base of the battery box,
do not use more water than the drain under the battery can remove from the
machine. The battery must be cleaned with hot water at normal pressure. Do not
aim the water directly at the fan motor. The electric motor may be damaged if it is
rinsed with high-pressure water.
The safety valve should be checked in connection with cleaning. This is carried
out as follows:
—
Turn the plastic dial on the valve anti-clockwise for approximately a quarter
turn until a faint click is heard
—
Let the water flow through for a short period
—
Turn the dial again for approximately a quarter turn until a louder click is
heard and the valve closes.
If the machine is not being used for a long period, cooking oil should be sprayed
into the pump housings. The oil will prevent rust from forming in the pump housing
and jamming the impeller. The cooking oil is sprayed into the pumps' inlet pipes.
(Carried out by authorised engineers).
If the machine is not being used for a long period, the machine should be
disinfected with chlorine.
WD-18CW
35-1-09-002
41
Rev. (202211)
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