EasyManua.ls Logo

Vaillant ecoMAX 665 User Manual

Vaillant ecoMAX 665
40 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
For the installer
ecoMAX 665
Installation and maintenance manual
ecoMAX
Wall hung room sealed fan assisted condensing boiler
GB

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Vaillant ecoMAX 665 and is the answer not in the manual?

Vaillant ecoMAX 665 Specifications

General IconGeneral
MountingWall-mounted
Fuel TypeGas
Boiler TypeCondensing
FuelNatural Gas
Water Pressure3 bar

Summary

Safety instructions and regulations

2.1 Safety instructions

General safety precautions and specific warnings for installation.

2.1.2 Smell of gas

Safety procedures to follow if a gas leak is detected.

Installation

4.4 Gas connection

Safety precautions and steps for connecting the gas supply.

4.8 Electrical connection

Safety warnings and initial steps for electrical connections.

4.8.1 Mains connection

Details on connecting the 230 Vac live supply to the correct terminals.

4.8.4 Connection diagram

A wiring diagram illustrating connections for various components.

4.8.5 Wiring diagram

Detailed wiring diagram showing connections to the electronics box.

Putting the boiler into service

5.1.4 Filling the siphon

Instructions for installing and filling the condensate siphon.

5.2 Checking the gas setting

Procedures for verifying and adjusting the gas settings.

5.2.2 Gas inlet working pressure

Steps to check and verify the gas inlet working pressure.

5.2.3 Checking the CO2 content and adjusting it if needed (air ratio setting)

Guide to measuring and adjusting the CO2 content for optimal combustion.

Inspection and maintenance

7.1 Inspection and maintenance intervals

Recommends regular inspections and outlines their importance for appliance life.

7.2 Inspection and maintenance instructions

General instructions and safety precautions for performing maintenance.

7.2.1 Servicing the compact thermal module

Detailed steps for removing and mounting the compact thermal module.

7.2.2 Clean the heat exchanger

Procedure for cleaning the heat exchanger's heating spiral.

7.2.3 Cleaning the condensate paths and siphon

Steps for cleaning condensate paths, siphon, and ensuring seals are replaced.

7.3 Draining the appliance and the system

Procedures for draining the appliance and the entire heating system.

7.3.1 Draining the appliance

Steps to drain water from the appliance itself.

7.3.2 Draining the entire system

Instructions for draining the complete heating system.

7.3.3 Cleaning the air separator

How to remove, clean, and reinstall the air separator.

Troubleshooting

8.1 Diagnostics

Explains how to view appliance status and diagnostic information.

8.1.1 Status codes

Lists and explains various status codes displayed by the DIA system.

8.1.2 Diagnosis codes

Details how to access and change appliance parameters via diagnosis codes.

Vaillant Service

Related product manuals