Dhw"/Group 3; Solar"/Group 4 - Viessmann VITODENS 200-W Installation And Service Instructions Manual

"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 is only connected as
backup if the rise in cylin-
der temperature is too
low).
Cannot be adjusted on
combi boilers.
Enable DHW circulation pump
73:0 DHW circulation pump:
"ON" according to time
program (only for weath-
er-compensated control
units and system boilers)

"Solar"/group 4

Select "Solar" for weather-compensa-
ted control units (see page 60).
Select "4" for constant temperature con-
trol units (see page 60).
Coding
Coding in the delivered condition
Speed control solar circuit pump
02:0 Solar circuit pump is not
speed-controlled.
(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
73:6 6 times per 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.
Code 1
65