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5 - ELECTRICAL CONNECTIONS
5.7 CUSTOMER CONNECTIONS
SA2 summer - winter
The mode switching can occur
from keyboard or remote contact
Switch for remote selector
(SA2): set par. 21=0 ; In this
case, the keyboard command is
not possible
WR 4-20mA water reset
BT14 water outlet temperature probe
of hydraulic module
SA1 on-off
SA4 domestic hot water
WR 0-10V water reset
BT9 storage tank temperature probe
SA3 2nd setpoint
SQ2 flow switch
DL demand limit
HAE% humidity control probe
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