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SAJ PDS23-4T004 User Manual

SAJ PDS23-4T004
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PDS23 Series
- 44 -
Chapter 7 Backup AC power
In order to ensure continuous water supply, solar water pump system can be
manually switched to standby AC power supply when the light is insufficient or wet
days. When switching, the need to ensure that the DC and AC power supply reliable
mutual lock. Backup AC power source can be a local power grid, or a diesel
generator (please refer to the 2.4.3 technical form).
Warning: at any time, only one power supply can be entered, otherwise it may cause
the controller to damage.
Take three phase 380VAC backup AC power supply for example, the wiring is
shown in the following diagram:
Figure 17 schematic diagram of alternate AC power supply
If the pump motor rated voltage is three-phase 220-240VAC, then the single-phase
220VAC standby power supply L/N power line, need to be connected to the main
terminal R/T of the controller
+ - R S T PB U V W
GROUND
Power In
AC INPUT
NO FUNCTION
Pump
GROUND
To reverse
direction,reverse
any two wires
The DC and AC
can't input at
the same time
.
COM M4 M5 M6 COM
NC
Remote Float
Switch
N0
Submersible
Cable Splice
Pump Motor
Low Water
Level Probe
(optional)
Float Switch
(optional)
Earth Ground
PV Array
Backup
AC Power
DC Switch AC Switch

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SAJ PDS23-4T004 Specifications

General IconGeneral
BrandSAJ
ModelPDS23-4T004
CategoryController
LanguageEnglish

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