Wilo ER 2 User Manual

Wilo-ER 2/ER 3-4
D Einbau- und Betriebsanleitung
GB Installation and Operating Instructions
F Notice de montage et de mise en service
NL Montage- en bedieningsvoorschriften
E Instrucciones de instalación y servicio
I Istruzioni di montaggio, uso e manutenzione
H Beépítési és üzemeltetési utasítás
PL Instrukcja montażu i obsługi
CZ Návod k montáži a obsluze
RUS
Instrukciä po montaΩu i qkspluataciœ
2 025 723-Ed.03/2007-09-DDD

Wilo ER 2 Specifications

General

Brand	Wilo
Model	ER 2
Category	Controller
Language	English

Summary

General Information

Fields of Application

Describes the intended use of the switch unit for controlling low capacity pump units.

Product Specification

Provides detailed technical data and specifications for the control unit.

Safety Notes

Transport and Storage

Product Description and Accessories

Control Unit Description

Explains the functionality and operation of the ER-Control Unit in managing multi-pump systems.

Unit Front Panel

Details the components and indicators on the control unit's front panel.

Unit Functions

Explains the various operational functions of the control unit, including overload protection and time delays.

Scope of Supply

Lists the items included in the standard supply package for the control unit.

Siting and Installation

Installation

Details the installation procedure for the control unit, noting it's supplied mounted.

Electrical Wiring

Covers the electrical connections, terminal assignments, and wiring requirements.

Commissioning

Maintenance

Faults, Causes, and Remedies

Blinking Green Light

Details the cause and reset procedure for a blinking green indicator light.

Red Light

Explains the meaning of a red indicator light and its automatic reset condition.

SM1 to SM4 Terminals

Describes remote fault reporting for individual pumps via SM1 to SM4 terminals.

SM/WM Signals

Covers collective fault signals and their relation to low water conditions and automatic reset.