Viessmann Vitodens 200 Start-Up/Service Instructions page 50

Additional Information
Control Unit for Weather-Responsive Operation
Summary coding level 1 (continued)
Coding in the as delivered
condition Address: value
Boiler (continued)
06:10
30:00
35:00
40:01
Heating circuits
04:00 *1
05:08 *1
07:01 *2
08:09 *2
22:00
*1 For systems without mixer, the address without mixer and with recognition of the DHW heating will be set
automatically, and therefore must be manually reset.
*2 Only for heating system designs "04:02" and "04:03".
50
Function mode
Maximum temperature
limit set to 85°C
External heating program
changeover
External demand or external
heating program change
blocked
Boiler water temp. display
One heating circuit without
mixer
or
heating system with
low loss header, without
DHW heating
Maximum temperature limit
set to 75°C
Differential temperature set
to 8 K
Heating circuit without mixer:
Heating curve slope "n"
set to "1.4"
Heating circuit pump "ON"
for heating system designs
"04:02" and "04:03"
(connection to plug "20 A")
with programming unit
Code change Possible change
Address: value
06:00 Max temperature limit variable
to between 35 and 110°C
06:15
30:01 External request
35:01 External demand or external heating
program change enabled
40:00 Time display
04:01 *1 One heating circuit without mixer
or
heating system with low loss header,
plus DHW heating
04:02 One heating circuit without mixer,
one heating circuit with mixer,
without DHW heating
04:03 *1 One heating circuit without mixer,
one heating circuit with mixer and
with DHW heating
05:00 Max temperature limit variable
to between 35 and 110°C
05:15
07:00 Differential temperature variable
to between 6 and 36 K
07:15
08:00 Heating circuit without mixer:
to Slope "!Z" variable between "0.2"
08:15 and "2.6"
22:01 Heating circuit pump "OFF" for
heating system designs "04:02"
and "04:03"
Vitodens 200 WB2 Service
(continued)