The pressure switch of the wet alarm valve to the wiring of the spray pump control cabinet
Pressure switch 2 lines directly to the pump control cabinet (so even if there is no alarm system also achieved automatic sprinkler system, the concept of the problem can not be confused) alarm on the pressure switch is to monitor him, there is no alarm? That alarm valve pressure switch alarm,
First of all, all the pressure switch into a double-touch pressure switch, and then one of the five pressure switch a contact all connected to the pump control cabinet (to achieve the pressure switch from the pump function), on each other can not alarm, pressure switch we alarm Just monitor the role of each pressure switch can be connected to the remaining contact module.
It is recommended that you should choose a double contact pressure switch, all the way through the module signal to the fire control center all the way through the spray DC24V secondary wiring directly start the pump, do not wear the interference problem, 5 pressure switch 5 input module, Direct access to the control cabinet can be connected in parallel control cabinet, control cabinet without 24V power supply recommended to increase power and 24V relay
Wet alarm valve for single or double contact pressure switch, five pressure switch how to connect to a spray pump control cabinet, and the alarm host. The Five pressure switches can not interfere with each other between the alarm. The Seek heroes guide to know.
