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Idiomas disponibles
Boiler lighting
Switch on the power to the unit.
fig. 6 - Boiler lighting
•
For the following 120 seconds the display will show FH which identifies the heating
system air venting cycle.
•
During the first 5 seconds the display will also show the card software version.
•
Open the gas cock ahead of the boiler.
•
When the message FH disappears, the boiler is ready to operate automatically
whenever domestic hot water is drawn or in case of a room thermostat demand.
Turning the boiler off
Press the on/off button (detail 9 - fig. 1) for 1 second.
fig. 7 - Turning the boiler off
When the boiler is turned off, the PCB is still powered.
Domestic hot water and heating are disabled. The antifreeze system remains activated.
To relight the boiler, press the on/off button (detail 9 fig. 1) again for 1 second.
The boiler will be immediately ready to operate whenever domestic hot water is drawn
or in case of a room thermostat demand.
2.4 Adjustments
Summer/Winter Switchover
Press the button
(detail 6 - fig. 1) for 1 second.
The display activates the Summer symbol (detail 27 - fig. 1): the boiler will only deliver
domestic hot water. The antifreeze system remains activated.
To deactivate Summer mode, press the button
Heating temperature setting
Use the heating buttons
from a min. of 30°C to a max. of 85°C; it is advisable not to operate the boiler below 45°C.
30
EN
eco
bar
fig. 8
eco
bar
fig. 9
(detail 6 - fig. 1) again for 1 second.
(details 3 and 4 - fig. 1) to adjust the temperature
eco
bar
fig. 10
cod. 3540S270 - 02/2010 (Rev. 00)
DIVAtop MICRO C
Hot water temperature adjustment
Use the DHW buttons
from a min. of 40°C to a max. of 55°C.
Room temperature adjustment (with optional room thermostat)
Using the room thermostat, set the temperature desired in the rooms. If the room ther-
mostat is not installed the boiler will keep the heating system at its setpoint temperature.
Room temperature adjustment (with optional remote timer control)
Using the remote timer control, set the temperature desired in the rooms. The boiler unit
will set the system water according to the required room temperature. For information on
the remote timer control, please refer to its user's manual.
ECO/COMFORT selection
The unit has a function that ensures a high domestic hot water delivery speed and max-
imum comfort for the user. When the device is activated (COMFORT mode), the water
contained in the boiler is kept hot, therefore ensuring immediate availability of hot water
on opening the tap, without waiting times.
The device can be deactivated by the user (ECO mode) by pressing the eco/comfort
button (detail 7 - fig. 1). To activate the COMFORT mode, press the eco/comfort button
(detail 7 - fig. 1) again.
Sliding Temperature
When the optional external probe is installed the control panel display (detail 5 - fig. 1)
shows the actual outside temperature read by the probe. The boiler control system op-
erates with "Sliding Temperature". In this mode, the heating system temperature is ad-
justed according to the outside weather conditions in order to ensure high comfort and
energy efficiency throughout the year. In particular, as the outside temperature increas-
es, the system delivery temperature decreases according to a specific "compensation
curve".
With Sliding Temperature adjustment, the temperature set with the heating buttons
(details 3 and 4 - fig. 1) becomes the maximum system delivery tempera-
ture. It is advisable to set a maximum value to allow system adjustment throughout its
useful operating range.
The boiler must be regulated at the time of installation by qualified personnel. Possible
adjustments can in any case be made by the user to improve comfort.
Compensation curve and curve offset
Press the button fig. 1 (detail 10 - fig. 12) once to display the compensation curve
(
), which can be modified with the DHW buttons fig. 1 (details 1 and 2 - ).
Adjust the required curve from 1 to 10 according to the characteristic (fig. 14).
By setting the curve to 0, sliding temperature adjustment is disabled.
fig. 12 - Compensation curve
Press the heating buttons
offset (fig. 15), modifiable with the DHW buttons
fig. 13 - Curve parallel offset
Press the button fig. 1 (detail 10 - ) again to exit the parallel curve adjustment mode.
(details 1 and 2 - fig. 1) to adjust the temperature
eco
bar
fig. 11
(details 3 and 4 - fig. 1) to access parallel curve
(details 1 and 2 - fig. 1).
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