BT DUO HE
2
1
SECURITY WARNINGS
The hydraulic installation should be carried out by qualified personnel, in compliance with the current
installation regulations.
All interventions in the system must be carried out by a Technical Assistance Service authorized by
DOMUSA TEKNIK
, since any modification to its configuration may cause operating errors and serious
damage.
This device can be used by children aged 8 years and above and people with reduced physical, sensory
or mental abilities or lack of experience and knowledge, provided that they have been given
appropriate supervision or training regarding the use of the device in a safe manner and the dangers
involved. Children should not play with the appliance. The cleaning and maintenance to be performed
by the user should not be carried out by children without supervision.
1.1
Freeze Protection
Precautions should be taken against possible frost, in order to avoid damage to the installation. It is
advisable to add antifreeze to the water in the tank which should be compatible with public hygiene
standards and must not be toxic.
DOMUSA TEKNIK
recommends the use of propylene glycol. Please
contact the manufacturer of the product before use.
For long periods of stoppage of the installation, all
water in the tank should be emptied
.
1.2
Water Characteristics
The domestic water should comply with the characteristics defined in the Technical Code of the
Building . Otherwise, it should be treated.
In addition, it should comply with Directive 98/83/EC on the quality of water intended for human
consumption. Special attention should be paid to the following parameters:
- Maximum chloride concentration: 250 mg/l.
- Maximum sulphate concentration: 250 mg/l.
- Sum of maximum chloride and sulphate concentration: 300 mg/l.
- Maximum conductivity: 600 μS/cm.
When the chloride concentration in the Domestic Water is higher than 250 mg/l, it is advisable to
install an anti-corrosion protection in the interior of the tank, preventing the premature deterioration
of it.
DOMUSA TEKNIK
provides as an option an electronic cathodic protection suitable for its line
of
BT TRIO
buffer tanks. For installation, carefully read the installation instructions supplied with it.