DAB FEKA VS Series User Manual

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
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FEKA VS
FEKA VX

DAB FEKA VS Series Specifications

General

Max Head	Up to 14 m
Impeller Type	Vortex
Protection Class	IP68
Insulation Class	F
Type	Submersible
Application	Sewage
Material	Cast Iron
Frequency	50 Hz
Voltage	230V or 400V (depending on model)

Summary

Pumped Fluids

Technical Data and Limits on Use

Supply Voltage

Specifies input voltage range for pumps.

Flow Rate

Indicates flow rate information is on a separate page.

Motor Protection and Class

Refers to electric data plate for motor specifications.

Head (Hmax)

Head measurement is available on the electric data plate.

Absorbed Power

Power consumption details are on the electric data plate.

Liquid Temperature Range

Max/min liquid temperatures for different uses.

Maximum Immersion

Maximum depth the pump can operate at.

Storage Temperature

Recommended temperature range for storing the pump.

Noise Level

Noise level data is provided.

Warnings

General Warnings

Covers carrying handle, damaged cable replacement, and dry running prohibition.

Safety Standards Compliance

Mentions compliance with EC Directive 89/392/EEC.

Installation

Pump Placement Support

Advised support for dirty wells to prevent clogging.

Strainer Check

Ensure suction strainer is clear of blockages.

Delivery Pipe Diameter

Use pipes matching delivery mouth diameter to avoid performance loss.

Immersion Requirement

The pump must be fully immersed in water.

Float Switch and Borehole Dimensions

Ensure float moves freely and borehole dimensions are adequate.

Fixed Installation Check Valve

Check valve is recommended for fixed installations and manual operation.

Connecting Delivery Pipe/Hose

How to connect pipes and hoses, including coupling and hosetail usage.

Electric Connection

Single-Phase Connection

Direct connection to mains with thermal overload protection.

Three-Phase Connection

Requires motor protectors, isolating switch, and fuses.

Power Cable Safety

Damaged cables must be replaced by qualified personnel.

Checking the Direction of Rotation (for three-phase motors)

Rotation Check Procedure

Steps to check correct rotation using kick-back or flow rate.

Starting Up

Float Switch Adjustment

How to adjust float switch for start/stop levels.

Minimum Stopping Levels

Specific minimum stopping levels for VS-VX 550-750 and 1000-1200 models.

Precautions

Intake Strainer

Ensure intake strainer is always in place during operation.

Motor Thermal Shock

Limit starts per hour to avoid excessive thermal shock.

Frost Danger

Prevent freezing by ensuring no water residue in inactive pumps.

Residue Prevention

Rinse pump after use with substances causing deposits.

Maintenance and Cleaning

Sealing Oil Check and Change

Detailed steps for checking and changing sealing oil.

Troubleshooting

Motor Does Not Start

Diagnoses for a non-starting motor with no noise.

Pump Does Not Deliver

Checks for a pump that fails to deliver fluid.

Pump Does Not Stop

Troubleshooting for a pump that fails to stop.

Insufficient Flow

Identifies causes for reduced pump flow rate.

Thermal Overload Protection Stops Pump

Reasons for the thermal overload protection activating.