Rectification Of Defects; Standards And Legal Provisions; Maintenance Instructions - BWT E1 NEU HWS Instructions De Montage Et D'utilisation

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  • FRANÇAIS, page 19

12. Rectification of defects

Defect
Water pressure in network sharply
reduced; water pressure falls sharply
upon removal (by more than 35 % of
resting pressure)
Water pressure increases above the
set value
If the defect cannot be rectified with the aid of this information, the factory service centre must be contacted..

13. Standards and legal provisions

in the most recent version in each case
The filter was manufactured in compliance with
DIN EN 13443-1 "Mechanical filters and filter com-
binations in the drinking water installation".
The following must be heeded when installing and
operating the filter:
- DIN EN 806, Technical regulations for drinking
water installations
- DIN 1988-200, Technical regulations for drin-
king water installations
- Regulation on the quality of water for human
consumption (drinking water regulation)
- Act on Regulation of the Water Household
(WHG)
- Act for promoting closed substance cycle waste
management and ensuring environmentally com-
patible waste disposal (Closed Substance Cycle
and Waste Management)
- The relevant regulations for installation, operati-
on and maintenance

14. Maintenance instructions

Drinking water is a foodstuff.
Hygienic care in the execution of works should
therefore be self-evident.
In accordance with DIN EN 806-5, maintenance
must be performed by experts (installer or factory
service centre).
Replacement of wearing parts (only original spare
parts)
Seals
Pressure reducer element (12)
Manometer (6)
Cause
Filter element soiled
Replacement or wear of
sealing elements
Verification of initial pressure with zero flow and
high levels of water removal.
Replacement of pressure-reducing element (only E1
NEU HWS)
Pressure reducer is located
under the cap (2). After stop-
ping the flow of water loo-
sen locking screw (10) and
turn rotary knob (11) in an
anticlockwise direction until
latching. Screw off spring
cover (8) with a ring wrench
(wrench width 36). Remove
pressure-reducing
(12) and slide ring (13).
Grease O-rings of the new
valve element with silicone
grease and insert the valve
element into the casing, hee-
ding the correct fit of the O
rings. Insert slide ring, screw
in spring cover and locking
screw.
35 - 40 N/m) Set pressure
reducer as described under
Commissioning. Check all
connections for leakproof-
ness (visual inspection).
Warning: Any guarantee /
warranty is void if the hygi-
ene safe is damaged, e.g.
mechanically (hygienic vault
falls on the floor) or thermal (stored under -25 °C /
over 40 °C temperature or is constantly exposed to
intense sunlight). Do not wash the filter element and
every 3 yrs
hygienic vault in the dishwasher! It must be used
every 6 yrs
only factory-new hygienic vaults, BWT replaced da-
every 6 yrs
maged parts free of charge: www.bwt-group.com.
Rectification
Replace filter element/hygienic vault
Readjust back pressure (see Com-
missioning). If the pressure increases
further the valve element (12) must be
replaced (only E1 NEU HWS)
element
(tightening
torque
EN
17

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