Viessmann Vitocal 300-G Installation And Service Instructions Manual page 91

Electrical connections
!
Please note
Identify sensor leads.
Fasten sensor leads and disman-
tled leads (with plug aS/aD)
together with the other LV leads
using the cable ties provided.
Swimming pool water heating
Note
■ Swimming pool water heating is
switched via external extension H1
with KM BUS.
■ Make connections at external exten-
sion H1 only in accordance with the
following diagram.
■ At plug gÖ connect only the circulation
pump for swimming pool water heating
F in accordance with the following
diagram. A filter circuit pump must be
connected separately.
■ If the components for swimming pool
water heating are connected to exter-
nal extension H1, no other external
function (e.g. changeover of operating
mode) can be connected.
(cont.)
Installation sequence
91