4
5
Ÿ
All installations must be provided with an isolator to cut off mains power supply
and coarse current protection in the form of a fuse or MCB rated at 2-3 times
the full load current as given on the pump plate.
Ÿ
Ensure that the power supply rating complies with the specification in these
instructions.
Ÿ
Effective earthing must be provided according to local regulations.
Ÿ
Motors are protected against overloads by a thermal overload fitted in the
motor windings.
5. MAINTENANCE
The pump requires no routine maintenance and if correctly installed, should give
long term trouble free service. However, the following should be noted:-
Ÿ
If pump performance drops check for debris in the impeller. If observed, flush
with water to clean. If this action is insufficient, remove the suction cover and
clean around the impeller.
Ÿ
Particularly check the pump seating location and clear any debris and silt that
may have accumulated.
NOTE
Before carrying out any maintenance ensure the
electrical supply is isolated.
NOTE
Before using the pump again, first “soak” it so that any
possible dirt residues do not block the appliance.
Содержание DDW 400S
Страница 1: ...DDW DOMESTIC PUMPS Installation Operating Manual DDW400 750S DDW750 1000V...
Страница 2: ......
Страница 11: ......
Страница 12: ...INS181C 08 18 www davisandshirtliff com...