Solar/Group "4 - Viessmann Vitodens 200-W Installation 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: boil-
er only starts as backup if
the rise in the DHW tem-
perature is too low.
Cannot be adjusted on
gas condensing combi
boilers.
Enable DHW circulation pump
73:0 DHW circulation pump:
"ON" according to time
program (only for weath-
er-compensated control
units)

Solar/group "4"

Select "Solar" for weather-compensa-
ted control unit (see page 65).
Select "4" for constant temperature con-
trol unit (see page 65).
Coding
Coding in the delivered condition
Speed control solar circuit pump
02:0 Solar circuit pump is not
speed-controlled.
70
(cont.)
Possible change
67:0 Set DHW temperature ad-
to justable 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"
Note
The solar group is only displayed if a
solar control module, type SM1, is con-
nected.
Possible change
02:1 Solar circuit pump is
speed-controlled with
wave packet control.
02:2 Solar circuit pump is
speed-controlled with
PWM control.