ASSEMBLY AND INSTALLATION MANUAL
B1 MINIDOS INSTALLATION
B1.1 Before the installation
Attention! Before the installation of MiniDOS please check the water supplied to the equipment
fulfils the requirements of European drinking water directives (Directive 98/83/CE) Check for the
compliance of the waterworks and the installation of the equipment to local regulations. The manufacturer
disclaims all responsibility for damage or injury caused by improper installation of the equipment and/or the
installation of the equipment in a waterworks not compliant with local regulations.
MiniDOS is not equipped, by standard, with any flooding-control system or other devices able to detect,
control or alarm in case of runaway water losses. In case, consider, apart, an adequate anti flooding device..
Do not install MiniDOS downstream of boilers or in devices involving the transit, inside the pump, of water at
higher than 30°C temperature. Install MiniDOS upstream of boilers or devices to protect.
MiniDOS cannot be used to treat closed loop water, closed heating system water, process water, waste
water o any other applications not cited in this manual.
Before installing MiniDOS or any other equipment for polyphosphates dosage upstream of solar boilers or
water storage tank where temperature could rise, for long times, above 60 °C please contact Acqua Brevetti
95 technical office. The permanence of AcquaSIL 20/40
at high temperature may imply the partial loss of anti scaling effectiveness.
B1.2 Requirements of the installation place
MiniDOS must be installed indoors in a dry and clean place, al riparo da: protected from frost, exposure to
sunlight, moisture, rain, snow and hail. Do not install MiniDOS in wells, near drains, or in smelly or not
cleaned places. Do not install where chemical vapours or gas and fumes may be present. Avoid installation
in tight spaces which cannot allow easy ordinary and extraordinary maintenance. Ambient temperature
(min./max), °C:
B1.3 Laws, Regulations and Standards
The installation of MiniDOS must be performed in compliance with local laws, regulations and standards.
B1.4 Instruction for installation
The installation must be perform in accordance with best practice, in line with all the current legislation and
the rating data.
Before installing the pump make sure that the plant fits with the laws or regulations or local
recommendations produced by the office in charge.
Before installing the pump clean pipes and appliances installed upstream of the pump to eliminate foreign
bodies which can cause the malfunction of the pump. If the level of cleanliness in the plant is not adequate
you should sanitize the plant and the possible storage tanks before the installation of MiniDOS. The pump
should not be installed between the boiler and safety devices.
The hydraulic system implemented to install devices connected to the water distribution system must be
provided with a system able to ensure the non return of the treated water in the distribution system. The
equipment should be endowed with a manual or automatic by-pass valve system in order to allow the
withdrawal of non treated water interrupting the flow of treated water.
It is advisable to install a protection filter upstream of MiniDOS in order to avoid blockages of the impeller
due to coarse materials.
B1.5 Hydraulic checks after installation
After opening the water upstream of the equipment check for leaks;
1)
Check for the correct installation of the pump in order to facilitate ordinary maintenance operations.
2)
Verify the presence of a by-pass circuit that permits the exclusion of the pump and the presence of
sampling faucets upstream and downstream of the pump.
3)
Check the correspondence of the system to any rules or recommendations issued by the competent
local area offices.
MAN 127
MINIDOS - ENGLISH
®
5/35
and, at large, of all the polyphosphates in storages
PAG.E-7