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Emissions test mode for testing flue gas

with briefly raised boiler water tempera-

ture.

Emissions test mode should only be acti-

vated by your flue gas inspector during

the annual inspection.

Extended menu

2. "Test mode"

Should the current flow rate be insuf-

ficient (only for boilers with flow

meters), the message "Check flow

rate" appears and symbol

rotates.

Ensure adequate heat transfer (e.g.

open radiator valves).

3. "Activate?" "Yes"

"Flue gas test ON"

Test mode

Terminate with

Boiler temperature 62°C

The following functions are activated:

■ The burner is switched on (the dis-

play shows ).

Note

Burner start-up can be delayed,

e.g. due to fuel oil preheating.

■ The pumps are started.

■ The mixers remain set to the control

function.

■ The temperature controller regu-

lates the boiler water temperature.

Note

The flue gas inspector can also activate

emissions test mode if the controls are

locked out by your heating contractor.

Emissions test mode

5592 682 GB

Viessmann VITOPEND User Manual

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