Wilo PE-350EA User Manual

AUTOMATIC PRESSURE
BOOSTING PUMP
♣ Before installing and operating the pump, the Safety Instructions must be thoroughly
read for the proper use of the pump.
♣ Before installation, this manual should be completely studied. / Read this
manual completely before any work on your unit.
♣ Keep this manual handy for future reference.
♣ Product warranty is attached to this manual.
♣ ATTENTION: To keep the pump at top efficiency, this manual
should be thoroughly studied.
PE-410MA
PE-350EA
Models
OWNER’S MANUAL

Wilo PE-350EA Specifications

General

Brand	Wilo
Model	PE-350EA
Category	Water Pump
Language	English

Summary

Safety Instructions

Risks of Non-Compliance

Operational and Assembly Safety

Transportation and Installation

Electrical Safety Precautions

Guidelines on circuit breakers, power cord handling, and avoiding electric shock during installation.

Pump Installation and Piping

Installation Procedures

Wiring and Electrical Connections

Guidance for qualified electricians on connecting cables, circuit breakers, and earth wires.

Initial Operation Checks

Operating Instructions and Warnings

Dry Running Prohibition

Electrical Failure and Water Ingress

Pump Configuration and Specifications

Setting Operating Modes

Protective Functions and Alarms

Dry Running Protection

Technical Specifications and Performance

Pump Specifications

Details power, input, output, Hmax, Qmax, pipe size, insulation class, and weight for models.

Wiring Diagrams

Performance Curves

Graphs illustrating pump performance based on capacity and total head for different models.

Troubleshooting and Counter-Measures

Motor Does Not Start

Troubleshooting steps for motor failure, including thermal protection, cord issues, and voltage.

No Water Pumping

Addresses issues like low water level, check valve trouble, and air in suction pipes.

Thermal Protector Issues

Causes and solutions for the thermal protector activating frequently, often due to voltage.

Water Not Coming Out Initially

Explains why water might not flow immediately after switch-on, usually due to air.

Pump Runs Without Water