3.8.3. Electrical connection of the motorized 3-way valve
Wiring to be carried out directly between the terminal block of the DualSun BS/2 control unit and the terminal
block of the 3-way valve:
3-way valve ter-
minals
DualSun regulation terminals
1
N (17) - Blue cable
2
R1 (18) - Black cable
3
L (20) - Brown cable
Earth
Earth (14) - Yellow and green cable
Motorized 3-way valve connections should only be entrusted to a qualified installer.
Access to the terminal block of the 3-way valve by removing the cover of the connection box which is on the top
of the valve and which is held by 2 screws.
Installation, use, maintenance manual - DualSun solar heating system for individual
swimming pools
22
