38
EN
4.6 Safety
In the event of a power failure, the data and the time
areretained(approx.1year).
5 Installation conditions
5.1 General
The unit must be installed as described in the
installation guide in compliance with the general
requirements for the supply of water in Germany
(“AVBWasser”)V,section12.2byawatersupply
company or by a party registered in the water supply
company’sindexoftters.
Observe all applicable local installation regulations,
general guidelines, sanitary requirements and tech-
nicalspecications.
5.2 Installation site and environment
Filter units must not be installed in systems that
providewaterforreextinguishingpurposes.
The installation site must be kept free of frost, must
protect the unit from chemicals, paint, solvents
and fumes, must be structurally waterproofed and
must allow for easy connection to the water supply
system.
Aconnectiontothesewagesystem,aoordrain
and a separate mains connection (230 V/50 Hz)
must be located in the immediate vicinity.
Ifnooordrainisavailableoriftheoordrainis
drained using an electric pump, a customer-supplied
safetydevicethatshutsothewatersupplywithout
a current (e.g. BWT AQA Stop including moisture
sensor)mustbeinstalledtopreventwaterdamage.
The rated mains power (230 V/50 Hz) and the
required operating pressure must be present at
all times. A separate means of protection against
a shortage of water is not provided and must be
installed on site if desired.
5.3 Feed water
The hard water to be fed into the unit must always
meet the specications of the German drinking
waterordinance(“Trinkwasserverordnung”)orEU
Directive 98/83/EC, see table “12.1 Feed water
requirements”, page 57. The hard water to be
fed into the unit must always be free of air bubbles.
Install a bleed device if necessary.
If the treated water is intended for human con-
sumptionasdenedintheGermandrinkingwater
ordinance(“Trinkwasserverordnung”),theambient
temperature must not exceed 25°C.
If the treated water is intended for industrial pur-
poses only, the ambient temperature must not
exceed 40°C.