Group 5 - Viessmann VITODENS 200-W Installation And Service Instructions Manual

Coding level 1
(cont.)
Coding in the delivered condition
Extended solar control functions
20:0 No extended control function ena-
bled

Group 5

Select "5" (see page 42).
Coding
Coding in the delivered condition
Min. flow temperature heating circuit
C5:20 Electronic minimum flow tempera-
ture limit 20 °C (only for weather-
compensated control units)
Max. flow temperature heating circuit
C6:74 Electronic maximum flow tempera-
ture limit set to 74 °C
Pump control in "Only DHW"
F6:25 In "Only DHW" operating mode,
the internal circulation pump is per-
manently on.
Pump control in "Standby mode"
F7:25 In "Standby mode", the internal cir-
culation pump is permanently on.
Possible change
20:1 Auxiliary function for DHW heating
20:2 Differential temperature control 2.
20:3 Differential temperature control 2
and auxiliary function.
20:4 Differential temperature control 2 for
central heating backup.
20:5 Thermostat function
20:6 Thermostat function and auxiliary
function
20:7 Solar heating via external heat ex-
changer without additional tempera-
ture sensor
20:8 Solar heating via external heat ex-
changer with additional temperature
sensor
20:9 Solar heating of 2 DHW cylinders
Possible change
C5:1 Minimum limit adjustable from 1 to
to 127 °C (limited by boiler-specific pa-
C5:127 rameters)
C6:10 Maximum limit adjustable from 10 to
to 127 °C (limited by boiler-specific pa-
C6:127 rameters)
F6:0 In "Only DHW" operating mode, the
internal circulation pump is perma-
nently off.
F6:1 In "Only DHW" operating mode, the
to internal circulation pump is started 1
F6:24 to 24 times per day for 10 min each
time.
F7:0 In "Standby mode", the internal cir-
culation pump is permanently off
F7:1 In "Standby mode", the internal cir-
to culation pump is started 1 to
F7:24 24 times per day for 10 min each
time.
Codes
45