- 7-
3inch Helical Rotor Pumps Series
3、The SK-197K1500-36 Controller General Information
3.1 Features
The SK-197K1500-36 solar pump controller is designed with the high standard of reliability expected of
products.The controller attempts to drive the pump and motor to deliver water even under adverse
conditions, reducing output as necessary to protect the system components from damage, and only shutting
down in extreme cases. Full operation is restored automatically whenever abnormal conditions subside.
Inspection
Before you begin, receive and inspect the SK-197K1500-36 solar pump controller unit. Verify that the
part number is correct and that no damage has occurred during transit.
NOTE: SK-197K1500-36 solar pump controller is one component of a SK-197K1500-36 solar pumping
system which has other two optional components,solar array and Brushless DC Motor pump.
Protection Features
Electronicmonitoring gives the controller the capability to monitor the system and automatically shut
down in the event of:
•Dry well conditions –with low level switch
•Bound pump –with auto-reversing torque.
•High VoltageSurge
•Low InputVoltage
•Open motorcircuit
•Shortcircuit
•Overheat
NOTE: This controller provides motor overload protection by preventing motor current from exceeding
rating current and by limiting the duty cycle in the event of low water level. This controller does not provide
over temperature sensing of the motor.
System Diagnostics
The SK-197K1500-36 solar pump controller continuously monitors system performance and detects a
variety of abnormal conditions. In many cases, the controller will compensate as needed to maintain
continuous system operation; however, if there is high risk of equipment damage, the controller will protect
the system.the fault condition. If possible, the controller will try to restart itself when the fault condition
subsides.
Motor Soft-Start
Normally, when there is a demand for water and power is available, the SK-197K1500-36
solar pump controller will be operating. Whenever the SK-197K1500-36solar pump controller detects a
need for water, the controller always“ramps up”the motor speed while gradually increasing motor voltage,
resulting in a cooler motor and lower start-up current compared to conventional water systems.Due to the
controller’s soft-start feature this will not harm the motor.
