Solar/Group "4 - Viessmann VITODENS 200-W Service Instructions Manual

Code 1
DHW/group "3"
Coding
Coding in the delivered condition
Set DHW temperature reheating suppression
67:40 For solar DHW heating:
Set DHW temperature
40 °C. Reheating is sup-
pressed above the selec-
ted set temperature
(DHW heating blocked by
the boiler).
Cannot be adjusted on
gas condensing combi
boilers.
Enable DHW circulation pump
73:0 DHW circulation pump:
"ON" in accordance with
the time program (only for
weather-compensated
control units)

Solar/group "4"

Select "Solar" for weather-compensated control units (see page 39).
Select "4" for constant temperature control units (see page 39).
Note
The solar group is only displayed if a solar control module, type SM1, is connected.
Coding
Coding in the delivered condition
Speed control solar circuit pump
02:0 Solar circuit pump is not
speed-controlled
44
(cont.)
Possible change
67:0 Set DHW temperature
to adjustable from 0 to 95 °C
67:95 (limited by boiler-specific
parameters)
73:1 "ON" from once per hour
to for 5 min up to 6 times per
73:6 hour for 5 min during the
time program
73:7 Constantly "ON"
Possible change
02:1 Solar circuit pump is
speed-controlled with
wave pack control
02:2 Solar circuit pump is
speed-controlled with
PWM control