60
Electrical connections
7.6 Terminal block connection specifications
7.6.1 Terminal block CN11
Solar/Solar pump input
Solar pump P_s
Control from solar station
Enabling and configuration on HMI
Domestic hot water
The electrical connection of the 3-way valve (SV1 - 3-way
valve) is dierent for NC (normally closed) and NO (normally
open) valves. Before connection, read the 3-way valve use
and installation manual carefully and install the valve as shown
in the figure.
Pay attention to the connection terminal numbers.
Type2 control signal
SV1
The connection of the booster heater cable (TBH heater)
depends on the type of application.
This connection is only required when a domestic hot water
storage tank is installed.
The unit only sends a switch-on/o signal to the booster heater.
An additional circuit switch and a dedicated terminal block are
required to power the booster heater.
Type2 control signal
Enabling and configuration on HMI
Connect probe T5
14
TBH
DHW circulation pump (P_d)
Type2 control signal
P_d