Commissioning The Boiler - Baxi Nuvola 3 BS 40 Series Operating And Installation Instructions

To light the boiler correctly, proceed as follows:
(approx. 2 seconds) to set the boiler operating mode as described in section 3.2.
N.B.:
if the SUMMER , mode is set, the boiler will only light during a DHW demand.
WARNING
During initial ignition, the burner may not ignite (causing the boiler to shut down) until any air in the gas pipes is vented.
In this case, repeat the ignition procedure until gas reaches the burner. Press the RESET button (
KEY TO SYMBOLS ON DISPLAY:
Enable heating mode
Enable DHW mode
Flame present - figure 2
(power level 0 - 25%)
Flame modulation level - figure 2
(3 power levels)
Generic fault
RESET
No water
(Low system pressure)
Numerical signal
(Temperature, fault code, etc.)
ECO mode
If the optional remote control device is connected, adjust the boiler using this device. See the instructions accom-
panying this accessory item.
INSTRUCTIONS FOR USERS

3. COMMISSIONING THE BOILER

section 4.
BUTTON KEY:
DHW temperature settings (°C)
CHW temperature settings (°C)
RESET (boiler reset)
ECO - COMFORT
MODE button (see section 3.2)
35
) for at least 2 seconds.
Figure 1
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