PDS51 Series
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3.5 Electrical Installation
3.5.1 Wiring Ports
The following is a schematic diagram of the wiring port layout.
Figure 3-5-1 Main Circuit Wiring Ports
Item
Port Name
Description
Technical Features
①
PV1+
1st PV Panel Positive Input Port
≤20A
②
PV1-
1st PV Panel Negative Input Port
≤20A
③
PV2+
2nd PV Panel Positive Input Port
(
only
available on 5.5-11kW models
)
≤20A
④
PV2-
2nd PV Panel Negative Input Port
(
only
available on 5.5-11kW models
)
≤20A
⑤
AC Input
The controller with AC input function can
be connected to the grid or generator
Single Phase 220V/
3 Phase 380V
⑥
AC Output
Can be connected to pumps with ordinary
asynchronous motor or permanent magnet
synchronous motor
(
PMSM
)
3 Phase 220V/380V
⑦
Signal Port
For water level signal wire or
communication wire
⑧
GPRS Module
Port
Optional GPRS-2G/4G DTU module for
remote monitoring
⑨
External
Keypad Port
Optional external keypad for parameter
adjustment
⑩
Breather Valve
It can keep the pressure balance inside and
outside the machine and prevent
condensation
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