Viessmann Vitodens 100-W B1HF Series Installation And Service Instructions Manual page 34

Commissioning, inspection, maintenance
Commissioning the system
Commissioning assistant
sequence
"C.8"
System scheme (depend-
ing on appliance type, not
all schemes possible)
"C.9"
External heating circuit
hook-up
34
(cont.)
Explanations and references
1 - 1 direct heating circuit without low loss header
2 - 1 direct heating circuit with low loss header
3 - 1 direct heating circuit without low loss header with DHW cylinder
4 - 1 direct heating circuit with low loss header and DHW cylinder upstream of
low loss header
5 - 1 direct heating circuit + 1 heating circuit with mixer and low loss header +
DHW cylinder
6 - 1 direct heating circuit with low loss header + DHW cylinder upstream of
low loss header + solar DHW cylinder
7 - 1 direct heating circuit + 1 heating circuit with mixer and low loss header +
DHW cylinder upstream of low loss header + solar DHW cylinder
8 - 1 direct heating circuit + 1 heating circuit with mixer and low loss header
9 - 1 heating circuit with mixer and low loss header + DHW cylinder upstream
of low loss header
10 - 1 direct heating circuit without low loss header + DHW cylinder + solar
DHW cylinder
Note
System schemes 11 - 18 and the DHW circulation pump can be set via the
software tool.
11 - 1 heating circuit with mixer without low loss header
12 - 1 heating circuit with mixer with low loss header
13 - 1 heating circuit with mixer without low loss header + DHW cylinder
14 - 1 direct heating circuit + 1 heating circuit with mixer without low loss
header + DHW cylinder
15 - 1 heating circuit with mixer with low loss header + DHW cylinder + solar
DHW cylinder
16 - 1 heating circuit with mixer without low loss header + DHW cylinder + so-
lar DHW cylinder
17 - 1 direct heating circuit + 1 heating circuit with mixer without low loss
header + DHW cylinder + solar DHW cylinder
18 - 1 direct heating circuit + 1 heating circuit with mixer without low loss
header
Note
If a DHW circulation pump has been configured via the software tool, it is
shown with a "C" after the system scheme number.
Note
Only for weather-compensated operation.
0 - No external heating circuit hook-up
1 - External heating circuit hook-up HC1
2 - External heating circuit hook-up HC2
3 - External heating circuit hook-up HC1 and HC2 (EM-EA1 extension (DIO)
required)