Viessmann VITOCAL 300-G Installation And Service Instructions Manual page 241

Specification
Note
■ The output given is the recommended
connected load.
■ The total output of all connected appli-
ances must not exceed 1000 W. If the
≤ 1000 W, the individual
total output
rating of a component can be greater
than specified.
Connection values of the function components
Components
Primary pump (type BW/
WW) / well pump
Secondary pump
Instantaneous heating
water heater control,
stage 1
Circulation pump for cylin-
der heating (on the heat-
ing water side) or three-
way diverter valve, heat-
ing/DHW heating
NC signal control "natural
cooling"
Circulation pump, sepa-
rate cooling circuit
and
AC signal control "active
cooling"
Heating circuit pump A1
DHW circulation pump
External heat source con-
trol
Central fault message
Primary pump, heat pump
stage 2 (type BWS/
WWS)
■ The stated current indicates the max.
switching current of the switching con-
tact (observe the total current of 5 A).
■ Controls for external heat source and
central fault message are unsuitable
for safety LV.
Connec- Connected
tion load [W]
211.1 200
211.2 130
211.3 10
211.4 130
211.5 10
212.1 10
212.2 100
212.3 50
222.3 zero volt
222.4 contact
223.1 zero volt
223.2 contact
224.2 200
Specification
Voltage [V] Max.
switching
current [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)
250 4(2)
250 4(2)
230 4(2)
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