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Stairs ST SERIES User Manual

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Submersible
Deep Well Pump
4/6’’ ST SERIES
INSTALLATION AND
OPERATING INSTRUCTIONS
These Instructions must be delivered with the pump to the operator.
WARNING: Failure to follow these instructions and comply with all applicable codes
may cause serious bodily injury and/or property damage.
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Stairs ST SERIES Specifications

General IconGeneral
ModelST SERIES
CategoryWater Pump
Power SourceElectric
MaterialCast Iron
Max Flow RateVaries by model (Please specify the exact model number for precise data)
Max HeadVaries by model (Please specify the exact model number for precise data)
Inlet SizeVaries by model (Please specify the exact model number for precise data)
Outlet SizeVaries by model (Please specify the exact model number for precise data)
Motor PowerVaries by model (Please specify the exact model number for precise data)
VoltageVaries by model (Please specify the exact model number for precise data)
FrequencyVaries by model (Please specify the exact model number for precise data)
WeightVaries by model (Please specify the exact model number for precise data)

Summary

EC Declaration of Conformity

Installation and Operation Guidelines

Bore Conditions and Water Quality

Guidelines for water quality parameters, bore replenishment rates, and screening.

Coupling the Pump with the Motor

Step-by-step instructions for connecting the pump to the motor, ensuring proper alignment.

Drop Pipe Installation

Guidance on selecting and installing drop pipes, considering pressure and torque.

Safety Cable Installation

Importance of connecting a safety line to the pump and bore casing.

Depth of Installation Guidelines

Recommendations for pump placement relative to water levels and bore bottom.

Pressure System Installation and Controls

How to integrate pumps with pressure tanks and controls to manage cycles.

Electrical Connection and Wiring

Requirements for wiring, compliance with codes, and professional installation.

Three-Phase Motor Direction of Rotation

How to check and correct the rotation direction for three-phase motors.

Three Phase Motor Connection

Wiring requirements for three-phase motors, including contactors and overloads.

Pump Earthing and Grounding

Procedures for correctly earthing pump motors and control equipment.

Initial Pump Start-up Procedures

Steps for the first start-up, including valve operation and monitoring water clarity.

Operation and Maintenance

Pump Service and Troubleshooting Chart

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