15
- Using the control panel, access parameter
P.08
in the "Technician" menu
(see "Technician
Menu")
and set the value to "
4
".
For the correct hydraulic and electrical installation of a Sanit DHW tank with a
BioClass TR
boiler,
carefully follow the directions in the section
"Installing a Sanit tank"
in this manual.
Once the hydraulic and electrical connection described above has been completed, to adjust and
configure the BT buffer tank operation, carefully read the section
"Operation with a BT buffer tank"
in this manual.
3.10
Installation with a BT-DUO buffer tank (Optional)
The
BioClass TR
boiler can be accompanied by a
BT-DUO 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. This tank has a hot water storage tank inside, thereby adding the provision of
DHW in addition to the buffer tank functionality. For this reason, its connection to the boiler as well
as its operating configuration are specific.
For this reason the electronic control of the boiler is equipped with an input for connecting the
primary control thermostat
Tcp
of the BT-DUO tank (input
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. Also, for correctly managing the DHW
production in the tank integrated in the BT-DUO tank, a DHW temperature sensor (supplied
optionally) must be included in the installation.
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 and appropriate functioning for this type of buffer tank.
The BT-DUO buffer tank is hydraulically connected to the boiler, interposing a circulation pump
(
Bbt
), and all the central heating circuits of the system are connected to the BT-DUO tank. For the
correct hydraulic installation of the
BT-DUO
tank and the feed pump
Bbt
, carefully follow the
instructions in the following hydraulic diagram:
Heating
Installation
After the hydraulic installation of all the system components, proceed as follows to carry out the
correct electrical connection of the BT-DUO buffer tank to the
BioClass TR
boiler:
-
Unplug the boiler from the mains power.
- Disconnect the electrical resistance (
Rbt
) connected between terminals
18
and
19
of
connection strip
J7
(see "Connection Diagram")
.
