17
Automation System or
Solar System Controller
EXTERNAL SUPPLY
Vac or
VDC
GND
External Supply Range:
18-30V AC (24V AC+/- 20%)
9-30V DC (12/24V DC +/- 20%)
Figure 6: Wiring Diagram for Automation Control System Inputs
Access to these terminals is in close proximity to the mains connectors which carry line voltage capable of
causing personal injury or damaging the equipment if contact is made. Power should be turned off when
Figure 7: Automation Control System Input Connector
Pump Controller
UI DIGITAL
INPUT CONNECTOR
J202
STEP 1
(pin 1)
STEP 2
(pin 2)
STEP 3
(pin 3)
OVER RIDE
(pin 4)
COMMON
(pin 5)
accessing this area.