JUDO HEIFI-TOP
13
Faults
–
Store the filter in frost-free conditions!
The water contained in the hollows of the
filter can freeze due to frost and thus the
filter can be mechanically damaged to a
degree that it will become loose at
operating pressure or that it can burst.
Leaking water can cause major material-
damages to the building. In addition,
people near the filter can be injured by
blistering filter parts.
–
When recommissioning the filter, same
course of action as applied to the new fil-
ter.
6.
Faults
The opening of the units and the replace-
ment of the water pressure charged parts
may only be effected by authorized
personal in order the ensure the unit
security and its tightness.
Help with faults:
Fault
Cause
Remedy
Heating is cold.
The backwashing was not fully com-
pleted. The handwheel has not yet
been turned back (Ball valve
handle at the front).
Turn the handwheel back to
the right up to the limit stop!
The filter is now back in the
operating position!
The heating system’s circulating
pump is defective.
Inform the fitter or your
nearest customer service
centre!
No backwashing
water.
The expansion vessel or the heating
system is depressurised.
Top up service water.
Check the expansion
vessel!
A backflow preventer, a gravity
brake or an automatic shut-off valve
is installed in the direction of flow
between the filter and the expansion
filter.
Open the shut-off valve or if
necessary install the filter in
a more suitable location!
In water heaters the heating circuit
may be automatically shut-off by the
heating of the water supply.
In this case you must wait
until the service water has
heated up!
Highly soiled
backwashing water.
Backwashing intervals too long.
Reduce backwashing
intervals!
Leak in the filter.
Inform fitter or nearest
customer service centre!
Handwheel cannot
be turned.