Time Setting; Operation; Operation And Thermoregulation; Operating Modes - Cordivari Bollyterm Home Manuel D'utilisation

Once parameters have been set, it is recommended to contact specialised
personnel to change them. Usually, parameters must not be changed by
the end user
Press the [ON/OFF] key
mode.
Press the [HEATING ELEMENT] key
the heating element according to the programmed mode. Press the
[HEATING ELEMENT] key
heating element.

9.2.1 Time setting

To set the time press the [CLOCK] key
will start flashing.
Press the [CLOCK] key again, the clock dial "88" will start flashing,
use the buttons and to set the exact time.
Press the [CLOCK] key again, the minute dial "88" will start flashing,
use the buttons and to set the minutes.
Press the [CLOCK] key again to confirm the set time and exit. The
clock dial with the exact time stops flashing.
During the clock setting, the [TIMER] key
10.

Operation

10.1 Operation and thermoregulation
Since the production of hot water inside the boiler is carried out by means
of two devices (air/water Heat Pump and heating element), the controller
uses two probes for water (T2 and T3) and one for air (T1) to manage the
start of one device or the other in relation to:
water temperature inside the boiler
(target setpoint)
triggering differential on water
ambient temperature
The water temperature in the boiler detected by T2 sensor is mainly used
to control the heat pump (with the integration of the heating element if
needed). The heat pump operates (with the integration of the heating
element if needed) until the temperature detected by T2 probe reaches
the setpoint for the heat pump (set value of parameter 0).
The water temperature in the boiler detected by the upper T3 sensor is
only for the heating element. When only the heating element is operating,
it heats the water until the temperature detected by T3 sensor reaches
the heating element switch-off temperature (set value of parameter 2).
In case of malfunction of one of the two sensors, a relevant error message
will be displayed and the other sensor will be used to control both the
heat pump and the heating element.
The heating element is already cabled to OUT 2 terminals inside the unit
and equipped with a safety thermostat with manual reset.
10.2

Operating modes

The main operating conditions are defined below:
• STAND-BY
• HEAT PUMP OPERATION (with the integration of the heating
element if needed)
Cod. 1910000001165 - nv01
again to bring the unit back to stand-by
to activate - deactivate
in STAND-BY mode to activate only the
once, the clock dial "88: 88"
is not active.
parameter 0 (settable)
parameter 1 (settable)
parameter E (detected)
• HEATING ELEMENT ONLY OPERATION
• DEFROSTING
• ANTIBACTERIAL CYCLE
10.2.1 Stand-by
Press the [ON/OFF] key
on the screen for 3 seconds, then the machine will switch to stand-by
mode. In this mode the machine does not perform any thermoregulating
function; alarm signals remain active. In this state, the display shows:
the water temperature (WATER OUT) and the setpoint temperature (SET
TEMP), the operating mode, timer activation and time. From this mode it
is possible to navigate the menu through the buttons
modify the various parameters controlling the machine (see the following
instructions on parameter display and setting). From this mode, press
the [HEATING ELEMENT] key
heating element only.
10.2.2 Heat pump operation
From the Stand-by mode, press the [ON/OFF] key for the unit to enter
Heat Pump operation mode.
The display shows: the water temperature (WATER OUT) and the
setpoint temperature (SET TEMP), as well as the timer setting, time
and operating mode. From this mode it is possible to navigate the menu
through the buttons or
following instructions on parameter display and setting).
If the external air temperature detected by T1 probe falls within the
minimum and maximum values of the external air temperature (see the
values in the data table), the domestic hot water is produced by means
of the Heat pump. In this case, if T2 probe detects a water temperature
lower than/equal to [value of parameter 0]-[value of parameter 1] the
Heat Pump start-up is enabled. Similarly, when T2 probe detects that the
Setpoint has been reached (set value of parameter 0), the Heat Pump
will be switched off and wait for an activation request. The Heat Pump
restarts when the water temperature goes below [value of parameter 0]-[
value of parameter 1].
Caution: Heat pump switch-on operations must be carried
out observing the safety times between the enabling and
the start of unit operation, which depend on the
thermodynamic environmental conditions and on the machine.
Integration with Heating Element
During the Heat Pump operation mode, the Heating Element can work
as an integration of the heat pump to heat the water up to the setpoint
temperature (set value of parameter 0) or to protect the heat pump. In
particular, this happens in the following cases:
MANUAL BOOST: during the Heat Pump operation, press the [HEATING
ELEMENT] key to activate or deactivate the Heating Element, which
will operate according to the following control program:
If the upper temperature (OUT) of water T3 is ≤ heating element switch-
off temperature = [value of parameter 0]-3 °C, the Heating Element will
be activated after the compressor will have exceeded the delay time
(value of parameter 3 x 5 minutes).
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once at start-up to display all the icons
or
to activate the DHW heating with the
to display the various parameters (see the
English
to display/