Vaillant ecoTEC plus 618 Spécifications télécharger pdf (Page 4)

4 Instructions for installation and servicing ecoTEC

1 Introduction

1.1 Notes on the documentation

The following information is intended to help you

throughout the entire documentation.

Further documents apply in combination with this instal-

lation and maintenance manual.

We assume no liability for any damage caused by

non-observance of these manuals.

1.1.1 Applicable documents

The following additional documents are provided with

the appliance:

For the owner of the system:

Brief users instructions

(only ecoTEC plus) no. 838404

Warranty card with return envelope no. 802922

For the qualified technician:

Instructions for installation and servicing no. 839592

Flue installation instructions no. 835296

The manuals for any accessories and controllers used

also apply.

1.1.2 Retention of documents

Please pass on this installation manual to the owner of

the system. The owner should retain the manuals so that

they are available when required.

1.1.3 Safety instructions and symbols

Please observe the safety instructions in this manual for

the installation of the appliance!

Symbols used in the manual are explained below:

Danger!

Immediate danger to life and limb!

Caution!

Potentially dangerous situation for the product

and environment!

Note

Useful information and instructions.

• Symbol for a necessary task

- List for function descriptions or general list

1.2 Introduction

Note

This boiler must be installed and serviced by a

competent person in accordance with the Gas

Safety (Installation and Use) Regulations 1998.

In the UK ‘CORGI’ registered installers under-

take the work in compliance with safe and sat-

isfactory standard.

ecoTEC combination boiler

The ecoTEC combination boiler is a fully automatic, wall

mounted, room sealed condensing (high efficiency) boil-

er for central heating and domestic hot water.

Domestic hot water is supplied directly from the boiler,

without requiring a copper cylinder, cold water tank,

feed and expansion vessel and associated pipework.

Domestic hot water has priority over central heating.

The ecoTEC plus combination boiler consists of 3 models

with outputs of 23 kW, 31 kW and 37 kW for domestic hot

water and a pro version with an output of 28 kW for

domestic hot water.

All versions are available in natural gas. The ecoTEC plus

831 is also available in LPG.

ecoTEC combination boilers incorporate a warm start

facility that keeps the domestic hot water heat exchang-

er hot, providing an instantaneous delivery of domestic

hot water. The temperature in the domestic hot water

heat exchanger is limited by the boiler control system

and it is not necessary to install a scale reducer on the

cold mains to the boiler. However, in areas that get

exceptionally hard water, a scale reducer may be fitted

to prevent scale formation in the hot water system

pipes. The heating system on ecoTEC plus combination

boilers can be filled using the built–in filling loop con-

tained within the boiler.

ecoTEC system boiler

The ecoTEC system boiler is a fully automatic, wall

mounted, room sealed condensing (high efficiency) boil-

er for central heating and domestic hot water (where a

separate indirect hot water storage cylinder is also

incorporated in the system). The ecoTEC system boiler

consists of models with outputs of 12, 15, 18, 24, 30 and

37 kW. All ecoTEC system boilers are available in Natural

Gas. The ecoTEC plus 618 and 630 are also available in

LPG.

1.3 General Notes

The boilers have been designed for use with a sealed

central heating system, and come fully tested and

assembled with a built in circulating pump, expansion

vessel and diverter valve (ecoTEC combination boilers).

The boilers are easily mounted on any internal wall and

can be installed with either a horizontal or vertical RSF

(room sealed fan assisted) flue.

The boilers use a standard flue system (100 mm or

125 mm outside diameter). Flue extensions and addition-

al bends and elbows are available for the flue system to

increase the flexibility. If desired, an inhibitor may be

used in the system. Guidance on the use of inhibitors is

contained in these instructions.

All boilers have a built in diagnostic system which indi-

cates the operational status of the boiler. This feature

provides key information to aid commissioning and fault

finding. The data badge is fitted to the underside of the

boiler. See text of General Requirements for installation

requirements or notes.

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