Checklist For Flushing To Din 1988, Part 2, Paragraph 11 - Rothenberger ROPULS 6.0100 Instructions D'utilisation

The design of the compressed air–water mixer and the respective fittings may follow fig. 18.
Compressed
air
Air-water
mixture
Fig. 18 compressed air – water mixer
To protect sensitive fittings and appliances (e.g. drinking water heater) against damage from
flushed-in solids, we recommend that such parts are installed only after the flushing and to first
fit sleeve sock.
11.3 Preparation of initial operation and handing over
Whoever installs the equipment must prepare the handing over and acceptance reports.
Furthermore, the manufacturer must provide maintenance and operating manuals for the
installed protection and safety fittings and the appliances (also see DIN 1988, part 8.).
Sanitizing – flushing – pressure testing for piping in domestic technology is an 'approved rule of
technology".
3.2

Checklist for Flushing to DIN 1988, part 2, paragraph 11.2

Technical prerequisites for flushing:
- Has it been connected to the public supply system? If not, may the flushing water be drawn
from a hydrant?
- Has a DIN/DVGW approved micro-filter been fitted?
- What is the supply pressure from the utility (also refer to items 3.3 and 3.4)
- Has all the installed water piping been pressure tested?
- For later checks, one or more control pieces should have been fitted.
- Cold and hot water pipes must be flushed separately.
- Fittings, which might reduce the initial pressure, may have to be dismantled.
- Pipe length 100 m max., after which sleeves to be fitted (if possible provide for it during
installation).
Questions on plumbing:
- The plumbing is in
galvanized steel pipe
Cu pipe
PVCh pipe
PEh pipe
Mix of galvanized steel pipe / Cu pipe
Fittings for simultaneous fast
opening and closing
DIN 2440
DIN 1786
DIN 8062
DIN 8074
ENGLISH
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