Flow
Sensor
Signature #AC220SS
Rain
Sensor
Signature #8501
2 Programmable
Sensor Ports (S1 & S2)
Sensor Options:
• Switch Sensor:
Normally Open Or Closed
i.e. Rain Switch; Signature #8501
• Pulse Sensor:
Open Collector
(12VDC Source)
i.e. Flow Sensor; Signature #AC220SS
8250 Series Controller Wiring Diagram
RED
BLACK
GREEN
S1 S2 1 2 3 4 5 6 7 8
9
10 11 12 24VAC
GND
COM PMP
PORT 1 PORT 2
MANUAL SWITCH
PUMP
START
RELAY
TO IRRIGATION SOLENOIDS (24VAC)
COMMON
TO SOLENOID
NORMALLY OPEN (N/O) OR
NORMALLY CLOSED (N/C)
COMMON WIRE
INPUT (I/P)
INPUT (I/P)
COMMON
TO PUMP
24 VAC
IMPACT
RESET BUTTON
(ON THE BACK OF THE BOARD)
ETHERNET
PLUG
DEVICE ID (IMEI/MAC ADDRESS)
LOCATED HERE