Reducing The Max. Heating Output - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
Observe max. flue pipe lengths in the
pricelist. If the max. flue pipe lengths in
the pricelist are exceeded, calculated
function verification is required.

Reducing the max. heating output

The max. heating output can be reduced according to the system requirements.
r r
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1. Turn ON/OFF switch ON.
2. Turn rotary selector "tr" fully clock-
wise for less than 2 s and then back
to the control range on the right.
"SERV" and "A" appear on the dis-
play.
3. Select the required max. heating out-
put with rotary selector "tr".
Bars for the selected heating output
flash on the display.
A
■ Position 1 (1 bar) = lower heating
output.
■ Position 6 (5 bars) = upper heating
output.
(cont.)
°C
6 0