Used to control the 220V solenoid valve and water pump
Open the solenoid valve and then turn on the pump
Turn off the pump and then turn off the solenoid valve
Components should have a specific side of the wiring diagram
Connect the control voltage to the solenoid
But also to achieve the order of control, is there a time interval ah? Yes, then use the time relay for the job.
With two relays for the job, but also add a time relay, or install a pressure switch plus a good relay, the detection of water pressure
First occupy a position, please landlord to send me more detailed information, such as model.
August 1 revision
Talk about LY4NJ wiring
13 and 14 are power supplies (DC 14 + 13-)
1,2,3,4 are 9,10,11,12 of the normally closed contacts,
5,6,7,8 are 9,10,11,12 of the normally open contacts.
Single contact is 7A, can be used in parallel four contacts, 28A
