Adjusting Ambient Temperature And Dhw Temperature; Description Of Button; (Summer - Winter - Heating Only - Off) - Baxi Fourtech Series Operating And Installation Instructions

4. ADJUSTING AMBIENT TEMPERATURE AND DHW TEMPERATURE

The system must be equipped with an ambient thermostat for controlling the room temperature.
+/-
Adjust the ambient temperature ( ) and the DHW temperature ( ) by pressing the respective buttons (figure 1).
The ignition of the burner is shown on the display with the symbol ( ) as described in section 3.1.
HEATING
While the boiler is operating in heating mode, the display (figure 1) shows the flashing symbol ( ) and the heating de-
livery temperature (°C).
DOMESTIC HOT WATER
While the boiler is operating in DHW mode, the display (figure 1) shows the flashing symbol ( ) and the DHW output
temperature (°C).

5. DESCRIPTION OF BUTTON

(Summer - Winter - Heating Only - Off)

Press this button to set the following boiler operating modes:
In SUMMER mode, the display shows ( ). The boiler satisfies requests for DHW only while central heating is NOT ena-
bled (ambient frost protection function active).
In WINTER mode, the display shows ( and ). The boiler satisfies requests for both DHW and central heating (am-
bient frost protection function active).
In HEATING ONLY mode, the display shows ( ). The boiler satisfies requests for central heating only (ambient frost
protection function active).
In OFF mode, the display shows neither of the above two symbols ( ) ( ). In this mode only the ambient frost pro-
tection function is enabled, any other request for DHW or heating is not satisfied.
INSTRUCTIONS FOR USERS 926.116.5 - en
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