Display Functions - Normal Operation - Keston Combi C35 User Manual

7. DISPLAY FUNCTIONS - NORMAL OPERATION MODE
Note. The temperatures shown below are for illustration purposes only. The measured temperatures will be shown on the boiler.
Mode Knob in "BOILER OFF"
position:
Mode knob in " " position and
no heat demand:
Mode knob in " " and no
heat demand:
Domestic hot water operation
without call for CH:
Domestic hot water operation
with call for CH:
Central Heating Operaton:
Preheat operation:
Boiler frost protection:
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