Ferroli DIVACONDENS D PLUS F 24 Instrucciones De Uso, Instalación Y Mantenimiento página 45

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DIVACONDENS D PLUS F 24
Gas valve pre-calibration
1.
Connect a pressure gauge to monitor the gas valve outlet pressure.
2.
Enable the Auto-setting function (Parameter b12=1).
3.
Activate the calibration procedure by pressing the heating + button and Eco/Comfort
button together for 5 seconds. The message "Au-to" immediately appears (in two
successive flashes) and the burner is lit. Within 8 seconds (natural gas and LPG)
the boiler finds the ignition point. The ignition point, absolute minimum current Offset
(Parameter q01) and absolute maximum current Offset (Parameter q02) values are
stored by the card.
Gas valve calibration
1.
The display will show "q02" flashing; the modulation current is forced to the pre-cal-
ibration value of the absolute maximum current Offset parameter (Parameter q02).
2.
Press the DHW buttons to adjust the parameter "q02" until the maximum nominal
pressure minus 1mbar is reached on the pressure gauge. Wait 10 seconds for the
pressure to stabilise.
3.
Press the DHW "+" button to set the parameter "q02" until the maximum nominal
pressure is reached on the pressure gauge. Wait 10 seconds for the pressure to sta-
bilise.
4.
If the pressure read on the pressure gauge is different from the maximum nominal
pressure, proceed in increments of 1 or 2 units of the parameter "q02" by pressing
the DHW "+" button: after each change, wait 10 seconds for the pressure to stabi-
lise.
5.
When the pressure read on the pressure gauge is equal to the maximum nominal
pressure (the newly calibrated value of the parameter "q02" is automatically saved),
press the heating "–" button: the display will show "q01" flashing; the modulation
current is forced to the pre-calibration value of the absolute minimum current Offset
parameter (Parameter q01).
6.
Press the DHW buttons to adjust the parameter "q01" until the minimum nominal
pressure plus 0.5mbar is reached on the pressure gauge. Wait 10 seconds for the
pressure to stabilise.
7.
Press the DHW "-" button to adjust the parameter "q01" until the minimum nominal
pressure is reached on the pressure gauge. Wait 10 seconds for the pressure to sta-
bilise.
8.
If the pressure read on the pressure gauge is different from the minimum nominal
pressure, proceed in decrements of 1 or 2 units of the parameter "q01" by pressing
the DHW "-" button: after each change, wait 10 seconds for the pressure to stabi-
lise.
9.
When the pressure read on the pressure gauge is equal to the minimum nominal
pressure (the newly calibrated value of the parameter "q01" is automatically saved.),
recheck both adjustments by pressing the heating buttons and correct them if nec-
essary by repeating the procedure described above.
10. The calibration procedure ends automatically after 15 minutes or by pressing the
heating "+" and Eco/Comfort buttons together for 5 seconds.
Checking of gas pressure values and adjustment with limited range
Check that the supply pressure complies with that indicated in the technical data ta-
ble.
Connect a suitable pressure gauge to the pressure sampling point "B" located
downstream from the gas valve.
Activate the TEST mode and follow the instructions for checking the gas pressures
at maximum power and minimum power (see next par.).
If the maximum and/or minimum nominal pressures read on the pressure gauge are dif-
ferent from those indicated in the technical data table, proceed with the next sequence.
Press the Eco/Comfort button for 2 seconds to go to the gas valve Calibration with
limited range mode.
The card goes to the setting "q02"; displaying the currently saved value by pressing
the DHW buttons.
If the maximum pressure read on the pressure gauge is different from the nominal
one, proceed in increments/decrements of 1 or 2 units of the parameter "q02" by
pressing the DHW buttons: after each change, the value is stored; wait 10 seconds
for the pressure to stabilise.
Press the heating "-" button (ref. 3 - fig. 1).
The card goes to the setting "q01"; displaying the currently saved value by pressing
the DHW buttons.
If the minimum pressure read on the pressure gauge is different from the nominal
one, proceed in increments/decrements of 1 or 2 units of the parameter "q01" by
pressing the DHW buttons: after each change, the value is stored; wait 10 seconds
for the pressure to stabilise.
Recheck both settings by pressing the heating buttons and if necessary correct
them by repeating the procedure described above.
Pressing the Eco/Comfort button for 2 seconds returns to TEST mode.
Deactivate TEST mode (see next par.).
Disconnect the pressure gauge.
fig. 20 - Gas valve
TEST mode activation
Press the heating buttons (details 3 and 4 - fig. 1) together for 5 seconds to activate the
TEST mode. The boiler lights at the maximum heating power set as described in the fol-
lowing section.
The heating and DHW symbols (fig. 22) flash on the display; the heating power will ap-
pear alongside.
Press the heating buttons (details 3 and 4 - fig. 1) to increase or decrease the power
(Min.=0%, Max.=100%).
By pressing the DHW "-" button (detail 1 - fig. 1), boiler output is immediately adjusted
to min. (0%). By pressing the DHW "+" button (detail 2 - fig. 1), boiler output is immedi-
ately adjusted to max. (100%).
If the TEST mode is activated and enough hot water is drawn to activate the DHW mode,
the boiler remains in TEST mode but the 3-way valve goes to DHW.
To deactivate the TEST mode, press the heating buttons (details 3 and 4 - fig. 1) together
for 5 seconds.
The TEST mode is automatically deactivated in any case after 15 minutes or on stopping
of hot water drawing (if enough hot water has been drawn to activate the DHW mode).
Heating power adjustment
To adjust the heating power, switch the boiler to TEST mode (see sec. 4.1). Press the
heating buttons detail 3 - fig. 1 to increase or decrease the power (min. = 00 - max. =
100). Press the reset button within 5 seconds and the max. power will remain that just
set. Exit TEST mode (see sec. 4.1).
Configuration Menu
The configuration Menu is accessed by pressing the DHW buttons together for 10 sec-
onds. 12 parameters, indicated by the letter "b" and not modifiable from Remote Timer
Control, are available.
Press the Heating buttons to scroll the list of parameters in increasing or decreasing or-
der. Press the DHW buttons to view or modify the value of a parameter: the change will
be automatically saved.
Contents Description
b01
Gas type selection
b02
Boiler type selection
cod. 3541P653 - Rev. 01 - 03/2021
A - Upstream pressure point
B - Downstream pressure point
R
I - Gas valve electrical connection
R - Gas outlet
S - Gas inlet
B
1 2 3 4
~ 24W
I
fig. 21 - Gas valve connection
A
TYPE SGV100
Pi max 65 mbar
24 Vdc - class B+A
S
eco
comfort
reset
fig. 22 - TEST mode (heating power = 100%)
Range
0=Natural Gas
1=LPG
1=Bithermal instantaneous
2=Monothermal instantaneous
3=Heating only (3-way valve)
4=Heating only (circulating pump)
~ 65W
2
1
3
0
4
Parameter
0
2
45
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