Visualisation Of Parameters On The Boiler Display ("Info" Function) - Baxi nuvola3 comfort Instruction Manual For Users And Fitters

High performance gas-fired wall-mounted boiler
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20.1 ADVANCED INFORMATION AND SETTINGS MODE
To enter information and advanced settings mode you must hold down the IP button for at least 3 seconds; access to
the mode is indicated by the scrolling letters "INFO".
To exit, just briefly press button IP.
To scroll the information press OK; when the large figures displayed blink it is possible to modify the value by pressing
the buttons +/-
.
WARNING
Communication between the electronic board of the boiler and the climate controller is not immediate. In some ca-
ses it is possible that you may have to wait a certain time, depending on the type of information transmitted, before
the requested command is carried out.
HEATING CIRCUIT
"CH SL"
Maximum setpoint of heating circuit, value may be set using the buttons +/-
WARNING
by pressing the button
"EXT°c"
Outside temperature (with external probe connected).
"CH O>"
Heating circuit delivery water temperature.
"CH R<"
Heating circuit return water temperature (not contemplated).
"CH S^"
Heating circuit water setpoint.
"CH MX"
Maximum setpoint of heating circuit (max. settable value).
"CH MN"
Minimum setpoint of heating circuit (min. settable value).
DHW CIRCUIT
"HW O>"
DHW circuit or storage boiler delivery water temperature.
"HW S^"
DHW circuit water setpoint. Value may be set using the buttons +/-
"HW MX"
Maximum setpoint of DHW circuit (max. settable value).
"HW MN"
Minimum setpoint of DHW circuit
ADVANCED INFORMATION
"PWR %"
Power/flame modulation level (in %).
"P BAR"
Heating circuit water pressure (in bar).
"F L/M"
DHW circuit output water flow rate (in litres/min).
PARAMETER SETTINGS
"K REG" Regulating constant (0.5...9.0) of the heating delivery temperature (factory setting 3 - See section 27 - Graph
3).
Value may be set using the buttons +/-
setting a correct value of the regulating constant K REG, when the external temperature varies the ambient tempera-
ture is maintained at the set value.
"BUILD" Parameter for the size of building to be regulated (1..10 - factory setting 5). Value may be set using the
buttons +/-
. A high value is associated with a building / heating system with a high heat inertia; vice versa a low
value may be associated with small environments or systems with small inertia (thermoconvectors).
"YSELF" Enable/disable the self adapting function of the heating delivery temperature (factory setting 1). The "K
REG" constant is varied to reach ambient Comfort. The value 1 indicates that the function is enabled while 0 indicates
that it is disabled. This function is operative when the external probe is connected.
Press the buttons +/-
INSTRUCTIONS FOR FITTERS
20. DISPLAY OF PARAMETERS
it is possible to vary the measuring unit scale from °C to °F.
(min. settable value)
. A high value gives a higher delivery temperature in the heating circuit. By
to modify this value.
58
.
.
71.05086.02 - EN

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