DIVACONDENS D PLUS F 24
2. OPERATING INSTRUCTIONS
2.1 Introduction
Dear Customer,
DIVACONDENS D PLUS F 24 is a high-efficiency sealed chamber condensing heat
generator for heating and hot water production running on natural gas or LPG, and
equipped with a microprocessor control system.
2.2 Control panel
Panel
1
8
5
11
12
14
3
fig. 1 - Control panel
Key of panel fig. 1
1
DHW temperature setting decrease button
2
DHW temperature setting increase button
3
Heating system temperature setting decrease button
4
Heating system temperature setting increase button
5
Display
6
"Sliding Temperature" Menu - Summer/Winter mode selection - Reset button
7
Unit On/Off - Economy/Comfort mode selection button
8
DHW symbol
9
DHW mode
10
Summer mode
11
Multifunction
12
Eco (Economy) mode
13
Heating
14
Heating symbol
15
Burner lit and actual power level (flashing during combustion fault function)
16
Service Tool connection
17
Water gauge
Indication during operation
Heating
A heating demand (generated by the Room Thermostat or Remote Timer Control) is in-
dicated by flashing of the hot air above the radiator on the display.
The display (detail 11 - fig. 1) shows the actual heating delivery temperature and, during
heating standby time, the message "d2".
Domestic hot water (DHW)
A DHW demand (generated by drawing domestic hot water) is indicated by flashing of
the hot water under the tap on the display.
The display (detail 11 - fig. 1) shows the actual DHW outlet temperature and, during
DHW standby time, the message "d1".
Comfort
A Comfort demand (reinstatement of temperature inside the boiler) is indicated by flash-
ing of the water under the tap on the display. The display (detail 11 - fig. 1) shows the
actual temperature of the water in the boiler.
Fault
In case of a fault (see cap. 4.4) the display shows the fault code (detail 11 - fig. 1) and
during safety pause times the messages "d3", "d4" and "d5".
2
9
10
15
7
eco
2
comfort
1
0
reset
4
13
16
6
cod. 3541P653 - Rev. 01 - 03/2021
2.3 Lighting and shutdown
Connection to the power supply
•
During the first 5 seconds the display will also show the card software release.
•
Open the gas cock ahead of the boiler.
•
The boiler is now ready to function automatically whenever domestic hot water is
drawn or in case of a heating demand (generated by Room Thermostat or Remote
Temperature Control).
Turning the boiler off and on
Press the on/off button (detail 7 - fig. 1) for 5 seconds.
17
3
When the boiler is turned off, the circuit board is still powered. Domestic hot water and
4
heating are disabled. The frost protection system remains activated. To relight the boiler,
press the on/off button (detail 7 fig. 1) again for 5 seconds.
The boiler will be immediately ready to work whenever domestic hot water is drawn or in
case of a heating demand (generated by the Room Thermostat or the Remote Timer
control).
The frost protection system does not work
B
when the power and/or gas to the unit are
turned off. To avoid damage caused by freez-
ing during long shutdowns in winter, it is advis-
able to drain all water from the boiler, the
DHW circuit and the heating system water; or
drain just the DHW circuit and add a suitable
antifreeze to the heating system, as pre-
scribed in sec. 3.3.
2.4 Adjustments
Summer/Winter Switchover
Press the summer/winter button (detail 6 - fig. 1) for 2 seconds.
The display activates the Summer symbol (detail 10 - fig. 1): the boiler will only deliver
domestic hot water. The antifreeze system remains activated.
To deactivate the Summer mode, press the summer/winter button (detail 6 - fig. 1)
again for 2 seconds.
Heating temperature adjustment
Use the heating buttons (details 3 and 4 - fig. 1) to adjust the temperature from a min. of
30°C to a max. of 80°C; in any case, it is advisable not to operate the boiler below 45°C.
DHW temperature adjustment
Use the DHW buttons (details 1 and 2 - fig. 1) to adjust the temperature from a min. of
40°C to a max. of 55°C.
fig. 2 - Turning the boiler off
fig. 3
fig. 4
fig. 5
EN
39