Operating instructions

13 Operating Instruc-
tions Quick Refer-
ence
Switching on
Switching the central heating on
Text Display
Set switching times and operating
mode within the text display.
Hot water temperature – Combina-
tion boiler only
“ECO”-button lit –
Economy mode.
“ECO”-button not lit –
Comfort mode
Fault Condition
Refer to page 19.
Switching off
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