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8
Operation
8.1
Digital running time meter
Programming/testing the digital running time meter
● Open the water supply line.
● Switch on the product at the main switch.
● Press and hold the MODE and SET buttons together for approx.
3 seconds and then release them.
● Press the SET button once – the counter is now at the zero position.
● Press the MODE button once – BST flashes in the upper area of
the display.
● Press the MODE button once – AZT flashes in the upper area of the
display.
● Press the MODE button once – the current set hours are displayed
in the lower section of the display.
● Press
the
SET
button
(Holding down the SET button counts up the hours quickly; when it is
released and pressed again, the hours are reduced).
● For the product test mode following startup, choose 1 hour.
● For the regular product mode, choose 9000 hours (equivalent to
1 year).
● Press the MODE button twice – 00 appears in the display.
● Configuration is complete.
● The product is ready for use.
Once the product test is complete, you must wait for the set hour. The
colour of the mode indicator (illuminated b) on the front of the device
then switches from blue (operation) to red (fault).
Following the test operation, reset the running time meter and set the
designated value for the customer (9000 hours).
9
Handing over the unit to the
operator
Inform the operator about the function, operation and inspection of the
product as per the installation and operating instructions and hand over
all the product documentation to the operator.
10 Operator responsibilities
You have purchased a product that is durable and easy to service.
However, all technical equipment requires regular servicing so that it
continues to function properly.
Check the water quality and the hydraulic conditions in the system on
a regular basis.
To ensure proper functioning and to meet the warranty requirements,
regular inspections must be carried out by the operator (every 2 months),
and routine maintenance must be performed by the BWT after-sales
service staff or an installer authorised to carry out maintenance by BWT
(every 6 months).
The replacement of wearing parts within the prescribed maintenance
intervals is also required for the warranty and proper functioning of the
unit.
The operator is responsible for checking that the drinking water tank and
other components are in good working order, and in particular for the
hygiene of the drinking water from the tank and the circulation water.
BWT explicitly instructs customers to comply with the legal requirements
and technical regulations.
28
to
set
the
number
of
hours.
The operator must perform the following checks regularly to ensure that
the product functions properly.
● Weekly check of air hoses for blockage, deposits or damage. Have
air hoses replaced if necessary. Note the sequence of flow.
● Once a month or after stoppages, check whether there is water in
the air line on the injector. If there is, unscrew and bleed the line or
replace it with a new line. Check the check valve built into the injector
and clean the valve as necessary (paying special attention to the ball
and pressure spring).
● The cleaning interval for the emitter casing tube depends on the
water quality of the circulation water. Elevated concentrations of
water hardness (calcium and magnesium), corrosion products (iron,
zinc, etc.), or organic or cloudy substances may increase the amount
of cleaning required.
● Clean the dirt traps every six months or as needed (see chapter
"10.2 Cleaning the dirt trap", page 28).
10.1 Removing the unit cover
The product cover is fastened with four screws at each corner of the
unit plate or frame. The unit cover must be removed for maintenance
and repair work. To do this, proceed as follows:
DANGER!
Mains voltage!
Risk of death by electric shock!
►Disconnect the power supply before any service
or repair work.
►Switch the main switch on the unit to OFF and
secure it against restarting.
● Switch off the product's main switch.
● Unscrew the four round internal hex screws (T30) on the side of the
cover.
● Carefully lift the product cover by the side notches. When doing so,
ensure that the earthing cable between the unit hood and switch
cabinet does not become damaged.
● Put the product cover to the side and secure it from falling over.
10.2 Cleaning the dirt trap
The dirt trap is located in the product cover; therefore, remove the unit
cover first (see chapter 10.1).
● Close the shut-off devices upstream and downstream from the
product.
● Unscrew the cover (6.1) of the dirt trap.
● Remove the filter element.
● Rinse the filter element under flowing water and carefully clean it.
● Screw on the cover with the filter element again.
● Attach the product cover and secure it using four screws.
● Open the shut-off devices.
The product is ready for use again.
6.1
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