JPK 3
11
Faults
6.
Faults
The opening of the devices and the re-
placement of parts being water pres-
sure-charged may only be effected by li-
censed personal to ensure the devices –
security and tightness.
7.
Maintenance
ATTENTION
(see chapter “Security Advices and Dan-
gers in Case of Non-compliance”)
The chapter “Intended Use” has obligatorily
to be observed!
7.1
Cleaning
ATTENTION
(see chapter “Security Advices and Dan-
gers in Case of Non-compliance”)
Use only clear, drinking water concern-
ing the cleaning of the housing and the
transparent filter hood.
Domestic all-purpose cleaners and glass
cleaners can contain up to 25% solvents or
alcohol (spiritus).
These substances can chemically attack the
plastic parts, which can lead to brittleness
right up to [brittle] fractures.
These kinds of cleaners must therefore
not be used.
7.2
Indicating plate
ATTENTION
(see chapter “Security Advices and Dan-
gers in Case of Non-compliance”)
The following indicating plate has to be fixed
in the immediate proximity of the sample wa-
ter cooler:
Help with faults:
Fault
Cause
Removal
There is no or only a
weak flow-through of
the sampling water.
For the protection against the block-
ing of the heat exchanger a reten-
tion sieve , mesh size 1.0 is inserted
on the entry side of the sample wa-
ter ball cock G ¼". Larger particles
can accumulate there and have to
be removed.
Inform the installer or the
oustomer service.
The sampling water
temperature is too
high.
The cooling water temperature ex-
ceeds 15° C (59 °F) or the sampling
water flow-through is too high.
Let the cooling water run till
the temperature drops Re-
duce the sampling water
(< 30 l/h).
