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Eberspächer HYDRONIC II Series User Manual

Eberspächer HYDRONIC II Series
44 pages
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25 2557 90 00 01
01.2011
Heater for petrol Order No.
Hydronic II
B 4 S – 12 V 20 1909 05 00 00
B 5 S – 12 V 20 1904 05 00 00
Heater for diesel Order No.
Hydronic II
D 4 S – 12 V 25 2554 05 00 00
D 5 S – 12 V 25 2526 05 00 00
Hydronic II, with inlet pressure resistant metering pump
D 4 S – 12 V 25 2558 05 00 00
D 5 S – 12 V 25 2557 05 00 00
Engine-independent water heater
for diesel and petrol.
HYDRONIC II
Technical description, installation,
operating and maintenance instructions.

Table of Contents

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Eberspächer HYDRONIC II Series Specifications

General IconGeneral
BrandEberspächer
ModelHYDRONIC II Series
CategoryHeater
LanguageEnglish

Summary

Introduction

Concept of this manual

Explains the purpose and structure of the manual for users and service personnel.

Text Format and Symbols

Details special text formats, notation, and picture symbols for clear understanding.

Important Pre-Installation Information

Covers the heater's range of application, intended purpose, and critical warnings before starting.

Statutory Regulations Overview

Summarizes relevant EU directives and regulations for heater installation and operation.

Safety Instructions for Installation & Operation

Crucial safety guidelines covering potential risks during installation and operation.

Accident Prevention Guidelines

General accident prevention regulations and workshop safety instructions to be observed.

Product Information

Order Numbers and Scope of Supply

Lists order numbers and all included components for petrol and diesel heaters and kits.

Technical Data: Petrol Heaters

Provides detailed technical specifications, performance data, and operating limits for petrol models.

Technical Data: Diesel Heaters

Provides detailed technical specifications, performance data, and operating limits for diesel models.

Heater and Water Pump Dimensions

Presents diagrams illustrating the physical dimensions of the heater and water pump units.

Installation

Installation Location and Positioning

Details recommended installation locations, permissible positions, and vehicle examples.

Component Mounting and Connections

Instructions for fixing heater, water pump, fuse holder, relay socket, and pipe connections.

Cooling Water Circuit Integration

Explains various methods for connecting the heater to the vehicle's cooling water circuit.

Exhaust and Combustion Air Systems

Guidance on installing the exhaust system and the combustion air intake.

Fuel Supply and Quality

Covers fuel extraction, metering pump installation, fuel quality, and safety for petrol/diesel.

Operation and Function

Operating Procedures and Safety Checks

Covers initial commissioning, pre-operation checks, and parking ventilation.

Heating Modes and Altitude Operation

Describes heating modes, power levels, and operational considerations at high altitudes.

Control, Safety Devices, and Emergency Shutdown

Explains heater control logic, safety shutdowns, and emergency OFF procedures.

Electric

Heater Wiring and Component Lists

Safety instructions for wiring, parts list, and connector assignments for the heater.

Heater Circuit Diagram

Detailed electrical schematic showing the heater's internal wiring and connections.

Control Unit Circuit Diagrams

Schematics for various control units like EasyStart R, R+, and T models.

Troubleshooting, Maintenance & Service

Initial Fault Checks and Troubleshooting

Guides on checking for common faults and contacting service for persistent issues.

Service Contact and Maintenance

Provides service hotline numbers and instructions for regular heater maintenance.

Environment & Compliance

Quality, Environmental Certification, and EC Declaration

Details company certifications and the product's EC conformity for electromagnetic compatibility.

Disposal and Packaging Guidelines

Instructions for environmentally sound disposal of old parts and proper packaging.

Lists and Index

Alphabetical Keyword Index

An A-Z index of keywords with corresponding page numbers for quick reference.

List of Abbreviations

A glossary explaining common abbreviations used throughout the manual.

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