EN
14
BIOCLASS iC 66
2.9
Pressure drop curves
For the appropriate sizing of the hydraulic installation, as well as the pump operation curves, the
pressure loss caused by the boiler and the thermostatic mixing valve should be taken into account. The
following graph shows the pressure loss curves for the boiler and for the boiler with the thermostatic
valve (anti-condensation):
2.10
Installation with a BT Buffer Tank (Optional)
The
BioClass iC 66
boiler can be accompanied by a
BT Buffer Tank
during the installation from the
wide range offered by DOMUSA TEKNIK, which may increase the benefits provided by the boiler in the
heating service.
For this reason, the electronic control of the boiler is equipped with an input for a temperature sensor
or a temperature thermostat (
Sbt
; terminals 18-19 on connection strip
J7
) and a circulation pump
output (
Bbt
; terminals N-7 on the connection strip
J2
) dedicated exclusively to managing the heating
of the buffer tank. Using these control elements of the boiler you will be able to manage 4 different
modes of buffer tank hydraulic installation. The installation type will be selected using parameter
P.08
in the "Technician" menu on the control panel.
The boiler is supplied with this installation option disabled. To enable it, the electrical resistance (
Rbt
)
connected between terminals
18
and
19
of connection strip
J7
(see "Connection Diagram") must be
disconnected and replaced with a temperature sensor (supplied as an option by
DOMUSA TEKNIK
)
or a control thermostat installed in the BT buffer tank. After disconnecting the resistance in the
"Technician" menu of the control panel, parameter
P.08
must be enabled, via which you can select the
installation mode desired.
The following sections describe in detail the hydraulic and electrical connection characteristics for each
installation mode.
Содержание BioClass iC 66
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