Specification - Viessmann VITOCAL 300-A Installation And Service Instructions Manual

Specification

Note
& The output given is the recom-
mended connected load.
& The total output of all connected
appliances must not exceed
1000 W. If the total output ≤ 1000 W,
the individual rating of a component
can be greater than specified.
& The stated current indicates the
max. breaking capacity of the
switching contact (observe the total
current of 5 A).
& Controls for external heat source
and central fault message are
unsuitable for safety LV.
Connection values of the function components
Components
Circulation pump for cy-
linder heating
Cylinder primary pump
Heating circuit pump A1
Secondary pump
Heating circuit pump M2
DHW circulation pump
(switching times, auxili-
ary output)
Circulation pump for
DHW cylinder (reheat-
ing)
Instantaneous heating
water heater control,
stage 1 (accessory)
Instantaneous heating
water heater control,
stage 2 (accessory)
External heat source
control
Central fault message
Connec- Connected
tion load [W]
2X7.10 130
2X8.12 130
2X7.9 100
2X8.7 130
2X8.11 100
2X7.11 50
2X8.13 100
2X8.8 10
2X7.5 10
2X7.1 zero volt
2X7.2 contact
2X7.12 zero volt
2X7.13 contact
Specification
Voltage [V] Max. break-
ing capa-
city [A]
230 4(2)
230 4(2)
230 4(2)
230 4(2)
230 4(2)
230 4(2)
230 4(2)
230 4(2)
230 4(2)
250 4(2)
250 4(2)
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