Dosing computer for water treatment
to combat corrosion and limescale buildup
Construction
HabeDos dosing computers comprise:
• Control and pump unit
• Dosing section
• Water meter with impulse transmitter
• Check valve
• Connection fittings
• Dosing pipework and valve, including suction lance
• Level sensor (protection against dry running)
• Control electronics with light diodes to indicate operation,
dosing frequency and need for container exchange
• Transformer with1.5 metre mains cable
• Cover with clear viewing plate and childproofing
• Supplied without dosing solution (see accessories
Materials
• Brass dosing section, water meter and connection fittings
• PVC suction lance
• High grade synthetic material cover
HabeDos DC76
Produkt-Datenblatt
Application
HabeDos dosing computers are electronically controlled
appliances for reducing the occurrence of corrosion in drinking
water pipework. They can also be used for renovating corroded
pipework.
HabeDos dosing acts as a corrosion protection by building a
protective layer on the inside of the pipework and thereby effectively prevents corrosion. In addition, by preventing scale from
separating out, scale deposits in the downstream hot water unit
are eliminated. Thus the whole system is protected against
corrosion and scaling. In this way equipment breakdowns and
narrowing of pipework are minimised and the life expectancy of
the installation is prolonged.
HabeDos appliances have been tested by DVGW to the requirements of DIN 1988.
Features
• Electronic control with precise volume proportionate dosing
over the whole operating range
• DIN/DVGW-approved
• Function indication via diode lamps and acoustic signal
• Components in contact with water correspond to regulations
for equipment for food for human consumption
• Simple assembly
• Can be fitted without further settings being necessary
• Operation with safe 24 V low voltage
• Wide operating range
• Universal dosing solution VC76-A for easiest selection
Range of Application
Water temperature 5 - 30 °C
Ambient temperature Max. 40 °C
Operating pressure 10.0 bar
Technical Data
Electrical supply 230 V / 24 V / 50 Hz
Electrical connection power 10 VA
Dosing quantity 100 ml/m³
Protection class IP 54
Suction lift Max. 1.2 m
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HabeDos DC76 Dosing computer for water treatment
L
1
L
2
Function
When water is drawn off an impulse sensor detects the actual
flow rate and registers this in the electronic system. The electronic system then regulates an actuator motor for the dosing
pump and thereby ensures precise proportional dosing of the
active solution across the whole operating range. The active
solution is sucked out of the storage container and is injected into
H
the pipework. At the same time the dosing frequency is indicated
by flashing the LED's.
An electronic level sensor switches the pump off if the solu-
tion in the storage container is too low and thereby protects the
pump against dry running. The necessity for container replacement is signalled both visually and acoustically. If malfunction
occurs, then the automatic control system prevents the risk of
overdosing by shutting off the system.
Versions
DC76-A = With suction lance
Connection threads (external) R 1" R 1 1/4" R 1 1/2"
Operating weight approx. kg 6.3 6.5 7.7
Dimensions (mm)
L
1
L
2
277 292 315
190 190 190
H 260 260 260
Distance from wall to centre of pipework min. 55 mm
Operating range (l/h) 30 - 6000 30 - 10000 50 - 20000
Permissible continuous flow rate Approx. 50 % of the max. operating range
Pressure loss at max. flow rate (bar) 0.5 0.8 0.8
DIN/DVGW Approval No. DW-9111BM0075
Accessories
VC76-A Dosing solution
Disposible canister with 10 kg mineral-based food
grade solution for combatting corrosion and limescale.
Sufficient for the treatment of approximately 90 m³ of
drinking water.
Alwa Shutoff valve
Red bronze shutoff valve with quiet operation.
Available in various layouts and connection sizes.
Alwa Shutoff valves
2 www.honeywell.com
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Einbaubeispiele
In der Trinkwasserinstallation
HabeDos DC76 Dosing computer for water treatment
In der Warmwasserinstallation
Installation Guidelines
• The fitting of a Honeywell fine filter is required to protect
against the ingress of foreign matter
• A separate socket is required within 1.5 metres of the
appliance for the electrical supply. This electrical supply must
be continuous
• Install shutoff valves
• Ensure good access
o Simplifies maintenance and inspection
• The installation location should be protected against frost
and extreme heat
• The installation location must be protected against frost and
strong heat
• All work must be carried out only by competent persons
• The device is fitted with a check valve and therefore must not
be fitted between a water heater and the pressure relief
safety valve
• Only Honeywell VC76 is permitted as a replacement solution
• The dosing section with water meter must be installed
horiziontally
Range of Application
HabeDos dosing computers can be fitted wherever corrosion
and limescale buildup are to be prevented.
HabeDos dosing computers may be fitted:
• After water meters and filters
• For the sanitization of pipelines in old buildings
• In domestic hot water systems
• Centrally or locally upstream of hot water heaters in single
family or multi-occupation dwellings
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HabeDos DC76 Dosing computer for water treatment
ACS Control Products
Honeywell GmbH
Hardhofweg
D-74821 Mosbach, Germany
Phone: +49 (6261) 810
Fax: +49 (6261) 81393
www.honeywell.com
Manufactured for and on behalf of the
Environmental and Combustion Controls Division
of Honeywell Technologies Sàrl, Ecublens, Route
du Bois 37, Switzerland by its Authorised Representative Honeywell GmbH
EN0H-1404GE25 R1106
Subject to change without notice
© 2006 Honeywell GmbH
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