5.4
Electrical: All electrical connections should be performed by a qualified
expert only!
Make sure all parts are free of tension before doing any maintenance work or
electricians work.
Please make sure that the electrical installation has a disconnecting device,
which allows disconnecting from the power supply with a minimum of 3 mm
contact gap at each pole. This pump is built according to Protection Class 1.
The ambient temperature must not exceed max. 40°C. Pumps with three-phase
motors require the installation of a correctly adjusted motor overload switch.
Observe the data on the rating plate. Non-compliance will void any warranty in
case of motor failure.
Pumps with A.C. motors are equipped with a winding breaker contact as stan-
dard. The motors are built according to thermal class F, the ribs may achieve
temperatures up to 70°C.
Caution: The use of pumps for swimming pools and the restricted area
around them is only permitted if pumps are installed in accordance with
DIN/VDE 0100 part 702. Please consult your licensed electrician!
The supply circuit has to be protected with a fault current contactor with a
nominal fault current of I
Δ
N
≤ 30 mA.
According to the norm, electrical wiring H05RN – F, H07RN – F respectively
must be used. In addition to that the permissible minimum cross section must
be adapted to the motor power and to the cable length.
6.
Initial Start-up
6.1
Loosen the ring nut (160.2) above the strainer basket (143) by turning anti-
clockwise. For BADU 90/7-90/20 one can use the opening device (577) which
is not included in the scope of delivery. See drawing page 60 above.
CAUTION
59
Summary of Contents for BADU 90
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