DAYLIFF SUNVERTER 3 Installation & Operating Manual page 13

The input/output sockets are different for models, subject to
the silk screen on the inverter sockets and the terminal
description.
CAUTION
For single-phase pumps, remove the external capacitor
before wiring
NOTE
Terminal Terminal Name
Switch input terminal 1
I1-COM
Switch input terminal 2
I2-COM
Switch input terminal 3
I3-COM
Switch input terminal 4
I4-COM
Switch input terminal 5
I5-COM
+24V power supply
+24V-COM
+10V power supply
+10V-GND
RS485 communication
A-B
interface
Analog input terminal 1
A11-GND
Analog input terminal 2
A12-GND
Normal open relay contact
ROA - ROC
Normal close relay contact
ROB - ROC
Tank water level signal input, open circuit is normal,
short circuit is abnormal. Function setting through
Pr15, default value 7
Reserved. Function setting through Pr16, default
value 0.
Well water level signal input, open circuit is
abnormal, short circuit is normal. Function setting
through Pr17, default value 6.
Reserved. Function setting through Pr18, default
value 0
Woltman water meter signal input. Function setting
through Pr19, default value 3.
24V power supply, maximum output current 300mA;
can be used as power supply of communication
module, external sensor or miniature relay
10V power supply, maximum output current 50mA;
can be used as power supply of an external
potentiometer with resistance value range of 1k
Ω~5kΩ
Interface for communication with wired external host
or inbuilt wireless communication module. (Default
setting enable the communication with inbuilt
imodule, if needed for external host, relevant
advanced parameter must be modified)
Water level sensor signal input (default current type).
Range: DC 4~20mA
Pressure sensor signal input (default current type)
Range: DC 0~10V
Contact drive capability:
AC250V, 3A, cosØ = 0.4
DC30V, 1A
4 9
Function Description