Use Of The Control Panel; Buttons And Knobs; Start-Up; Ignition Procedure - Baxi Prime 1.24 Installation Manual

6.2

Use of the control panel

BUTTONS AND KNOBS

The knob is for adjusting the CH setpoint between 25°C and 80°C:
• turn the knob clockwise to increase the temperature value and anticlockwise to decrease it.
• Use the knob to set the desired temperature value (setpoint). The display shows the setpoint set, which flashes for 5 seconds,
after which the delivery temperature is displayed.
• To disable central heating, turn the knob anticlockwise all the way round (the symbol
The knob is for adjusting the DHW setpoint between 35°C and 60°C:
• turn the knob clockwise to increase the temperature value and anticlockwise to decrease it.
• Use the knob to set the desired temperature value (setpoint). The display shows the setpoint set, which flashes for 5 seconds,
after which the heating water temperature is displayed (when using the DHW, the display shows the actual temperature of the
DHW).
• To disable the production of domestic hot water, turn the knob fully anticlockwise (the symbol
The "Initialisation procedure" occurs only during first ignition of the boiler. This procedure involves a set of tests, after
which the system is automatically vented for a period of 5 minutes. To manually activate the function, press and hold RESET
for 5 seconds (once the function is active, it cannot be interrupted).
6.3

Start-up

To ignite the boiler correctly, proceed as follows:
• Check that the system pressure is correct (section 8.4).
• Power the boiler;
• Open the gas tap (yellow, positioned under the boiler).

Ignition procedure

When the boiler is powered, the following information appears on the display:
1. all symbols alight (1 second);
2. software version (1 second);
3. The message "InI" appears (for a few seconds);
4. All turns off (1 second);
5. The message "Fx.x" appears on the display. (2 seconds);
6.
The message "Px.x" appears on the display. (2 seconds);
7.
"OFF" appears (the knobs are fully rotated in the clockwise direction at the factory);
8. The boiler and heating system venting function starts. The text "(t17)" appears on the display and this phase takes 5
minutes (this function is enabled only during initial ignition).
At the end of the venting phase, the boiler is ready for operation.
• Turn the knob of the central heating circuit to set the required temperature of the system.
• Turn the knob of the DHW circuit to set the required temperature of the DHW.
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7679406 (01-05/17)