DAYLIFF SUNVERTER 3, Installation & Operating Manual

Page: 13 / 40

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