Westen pulsar D, Operating And Installation Instructions, Page: 5 / 196

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926.323.1 - GB INSTRUCTIONS FOR USERS
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).
Press this button to set the following boiler operating modes:
• SUMMER
• WINTER
• HEATING ONLY
• OFF
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.
5. DESCRIPTION OF BUTTON (Summer - Winter - Heating Only - Off)