Viessmann VITODENS 222-F Installation And Service Instructions Manual page 72

Code 1
Heating circuit 1/Heating circuit 2 – Group 5
Coding in the delivered condition
Pump control in "standby mode"
F7:25 In "Standby mode", the
internal circulation pump
is permanently ON (only
for constant temperature
control units)
Start temperature raising
F8:-5 Temperature limit for ter-
minating the reduced
mode -5 ºC, see example
on page 124.
Observe the setting of
coding address "A3" (only
for weather-compensa-
ted control)
End temperature raising
F9:-14 Temperature limit for rais-
ing the reduced set room
temp. -14 ºC, see exam-
ple on page 124. (only for
weather-compensated
control)
Increase set flow temperature
FA:20 Raising the set boiler
water temperature or the
set flow temperature
when changing from
operation with reduced
room temperature to
operation with standard
room temperature, by
20 %. See example on
page 125 (only for
weather-compensated
control)
72
(cont.)
Possible change
F7:0 In "Standby mode", the
internal circulation pump is
permanently OFF
F7:1 In "Standby mode", the
to internal circulation pump in
F7:24 operating mode will be
started for 10 min respec-
tively 1 to 24 times per
day.
F8:+10 Temperature limit adjusta-
to ble from
F8:-60 +10 to -60 °C
F8:-61 Function disabled
F9:+10 Temperature limit for rais-
to ing the set room tempera-
F9:-60 ture to the value selected
for standard mode adjusta-
ble from
+10 to -60 °C
FA:0 Temperature rise adjusta-
to ble from 0 to 50 %
FA:50