
Manual of SR288 intelligent controller
9
3.4 R3 ports for 3-ways valve / pump connection
3 wires T-valve 2 wires T-valve
Pump connection
When R3 is for controlling 3 ways electromagnetic valve,
(
3 is normally open port, 2 is
normally close port ,1 is common port
)
When R3 is for controlling pump, (3 is normally open port, 1 is common port)
3.5 Connection with high efficiency pump
Connecting the signal wire from the high-efficiency pump