22 NIBE VVM 300
Installation
Electrical connections
Centralised load control/Tariff
In those cases centralised load control or tariff control is
used this can be connected to the terminal block (14) on
the load monitor card (2), which is positioned behind the
centre front cover.
Tariff A: To limit the electrical output to half of what is set
with max electrical output knob (101), connect a potential
free contact between 5 and 7 on the terminal block (14).
Tariff B: When the complete electrical output is to be dis-
connected, a potential free contact is connected between
6 and 7 on terminal block (14).
Tariff C: When the complete electrical output together
with the heat pump is to be disconnected, a potential free
contact is connected between 12 and 13 on terminal block
(14).
A closed contact results in the electrical output being dis-
connected.
A
B
C
14
100
101
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