Vaillant EcoFIT sustain 835 Manuel utilisateur

For the operator

Operating instructions

ecoFIT sustain

825 - 835

GB, IE

Operating instructions

Publisher/manufacturer

Vaillant GmbH

Berghauser Str. 40 D-42859 Remscheid

Tel. +49 21 91 18‑0 Fax +49 21 91 18‑2810

[email protected] www.vaillant.de

Contents

2Operating instructions ecoFIT sustain 0020230530_01

Contents

1 Safety ............................................ 3

1.1 Action-related warnings ................. 3

1.2 Intended use .................................. 3

1.3 General safety information............. 4

2 Notes on the documentation ...... 7

2.1 Observing other applicable

documents ..................................... 7

2.2 Storing documents......................... 7

2.3 Applicability of the instructions....... 7

3 Product description..................... 7

3.1 Front view ...................................... 7

3.2 Control elements............................ 7

3.3 Displayed symbols......................... 8

3.4 Information on the identification

plate ............................................... 8

3.5 Serial number ................................ 9

3.6 CE label ......................................... 9

3.7 Benchmark..................................... 9

4 Operation.................................... 10

4.1 Operating concept ....................... 10

4.2 Basic display................................ 10

4.3 Adjustment and display levels ..... 10

4.4 Cabinet-type casing ..................... 11

4.5 Opening the isolator devices ....... 11

4.6 Starting up the product ................ 11

4.7 Switching on the product ............. 11

4.8 Setting the heating flow

temperature ................................. 11

4.9 Setting the hot water

temperature ................................. 11

4.10 Switching Comfort mode on and

off................................................. 12

4.11 Switching off the product's

functions ...................................... 12

4.12 Guaranteeing the correct

filling pressure of the heating

system ......................................... 12

4.13 Protecting the heating

installation against frost ............... 13

4.14 Switching the product to

standby mode .............................. 14

5 Troubleshooting ........................ 14

5.1 Detecting and rectifying faults...... 14

5.2 Calling up (Live monitor) status

codes ........................................... 14

6 Care and maintenance .............. 14

6.1 Maintenance ................................ 14

6.2 Caring for the product .................. 14

6.3 Reading maintenance

messages .................................... 14

6.4 Checking the condensate drain

pipework and tundish................... 14

7 Decommissioning...................... 15

7.1 Temporarily decommissioning

the product................................... 15

7.2 Permanently decommissioning

the product................................... 15

8 Recycling and disposal............. 15

9 Guarantee and customer

service ........................................ 15

9.1 Guarantee.................................... 15

9.2 Customer service......................... 15

Appendix ............................................... 16

A Status codes –Overview........... 16

B Troubleshooting ........................ 16

Safety 1

0020230530_01 ecoFIT sustain Operating instructions 3

1 Safety

1.1 Action-related warnings

Classification of action-re-

lated warnings

The action-related warnings

are classified in accordance

with the severity of the pos-

sible danger using the following

warning signs and signal words:

Warning symbols and signal

words

Danger!

Imminent danger to life

or risk of severe personal

injury

Danger!

Risk of death from electric

shock

Warning.

Risk of minor personal

injury

Caution.

Risk of material or envir-

onmental damage

1.2 Intended use

There is a risk of injury or death

to the user or others, or of dam-

age to the product and other

property in the event of im-

proper use or use for which it

is not intended.

The product is intended as a

heat generator for closed heat-

ing installations and for hot wa-

ter generation.

Intended use includes the fol-

lowing:

–observance of the operating

instructions included for the

product and any other system

components

–compliance with all inspection

and maintenance conditions

listed in the instructions.

This product can be used by

children aged from 8 years

and above and persons with

reduced physical, sensory or

mental capabilities or lack of

experience and knowledge if

they have been given supervi-

sion or instruction concerning

use of the product in a safe way

and understand the hazards in-

volved. Children must not play

with the product. Cleaning and

user maintenance work must

not be carried out by children

unless they are supervised.

Any other use that is not spe-

cified in these instructions, or

use beyond that specified in this

document shall be considered

improper use. Any direct com-

mercial or industrial use is also

deemed to be improper.

Caution.

Improper use of any kind is

prohibited.

1 Safety

4Operating instructions ecoFIT sustain 0020230530_01

1.3 General safety

information

1.3.1 Installation by

competent persons only

The installation, inspection,

maintenance and repair of the

product, as well as the gas ratio

settings, must only be carried

out by a competent person.

1.3.2 Danger caused by

improper operation

Improper operation may present

a danger to you and others, and

cause material damage.

▶Carefully read the enclosed

instructions and all other ap-

plicable documents, particu-

larly the "Safety" section and

the warnings.

▶Only carry out the activities

for which instructions are

provided in these operating

instructions.

1.3.3 Risk of death from

escaping gas

What to do if you smell gas in

the building:

▶Avoid rooms that smell of

gas.

▶If possible, open doors and

windows fully and ensure

adequate ventilation.

▶Do not use naked flames (e.g.

lighters, matches).

▶Do not smoke.

▶Do not use any electrical

switches, mains plugs, door-

bells, telephones or other

communication systems in

the building.

▶If it is safe to do so, close the

emergency control valve or

the main isolator.

▶If possible, close the gas isol-

ator cock on the product.

▶Warn other occupants in the

building by yelling or banging

on doors or walls.

▶Leave the building immedi-

ately and ensure that others

do not enter the building.

▶Notify the gas supply com-

pany or the National Grid

+44 (0) 800 111999 by tele-

phone once you are outside

of the building.

1.3.4 Risk of death due to a

blocked or leaking flue

gas pipe

What to do if you smell flue gas

in the property:

▶Open all accessible doors

and windows fully to provide

ventilation.

▶Switch off the product.

▶Inform a competent person.

Safety 1

0020230530_01 ecoFIT sustain Operating instructions 5

1.3.5 Risk of death due to

explosive and flammable

materials

▶Do not use or store explosive

or flammable materials (e.g.

petrol, paper, paint) in the in-

stallation room of the product.

1.3.6 Risk of death due

to changes to the

product or the product

environment

▶Never remove, bridge or

block the safety devices.

▶Do not tamper with any of the

safety devices.

▶Do not damage or remove

any seals on components.

▶Do not make any changes:

–The product itself

–to the gas, air, water and

electricity supplies

–to the entire flue gas install-

ation

–to the entire condensate

drain system

–to the expansion relief valve

–to the drain pipework

–to constructional condi-

tions that may affect the

operational reliability of the

product

1.3.7 Risk of corrosion

damage due to

unsuitable combustion

and room air

Sprays, solvents, chlorinated

cleaning agents, paint, adhes-

ives, ammonia compounds,

dust or similar substances may

lead to corrosion on the product

and in the air/flue pipe.

▶Ensure that the supply of

combustion air is always free

of fluorine, chlorine, sulphur,

dust, etc.

▶Ensure that no chemical sub-

stances are stored at the in-

stallation site.

1.3.8 Risk of material damage

caused by frost

▶Ensure that the heating in-

stallation always remains in

operation during freezing con-

ditions and that all rooms are

sufficiently heated.

▶If you cannot ensure the op-

eration, have a competent

person drain the heating in-

stallation.

1 Safety

6Operating instructions ecoFIT sustain 0020230530_01

1.3.9 Risk of injury and

material damage due to

maintenance and repairs

carried out incorrectly or

not carried out at all

▶Never attempt to carry out

maintenance work or repairs

on your product yourself.

▶Faults and damage should

be immediately rectified by a

competent person.

▶Adhere to the maintenance

intervals specified.

Notes on the documentation 2

0020230530_01 ecoFIT sustain Operating instructions 7

2 Notes on the

documentation

2.1 Observing other applicable

documents

▶You must observe all operating instruc-

tions enclosed with the system compon-

ents.

2.2 Storing documents

▶Keep this manual and all other applic-

able documents safe for future use.

2.3 Applicability of the

instructions

These instructions apply only to:

Product article number

Article

number

Gas Coun-

cil Number

VUW 256/6-3

(H-GB) 0010020392 47-044-71

VUW 306/6-3

(H-GB) 0010020393 47-044-72

VUW 356/6-3

(H-GB) 0010020394 47-044-73

3 Product description

3.1 Front view

1 Control elements 2 Plate with serial

number on the

rear

3.2 Control elements

1 Fault clearance

key

2 Operating but-

tons

3 Display

3.2.1 Operator control panel

1 Current heating

flow temperat-

ure, operating

mode, fault code

or additional in-

formation

2 Current assign-

ment of the right-

hand selection

button

3 Left- and right-

hand selection

buttons

4and but-

ton

5 Fault clearance

key

3 Product description

8Operating instructions ecoFIT sustain 0020230530_01

6 Maximum out-

put (only used

for Austria,

Germany and

Switzerland)

7 Access to the

menu for addi-

tional information

8 Current assign-

ment of the left-

hand selection

button

9 Active operating

status

3.3 Displayed symbols

Sym-

bol

Meaning Explanation

Burner operating

correctly

Burner on

bar

Current filling

pressure of the

heating system

The dashed lines

show the permit-

ted range

–Permanently

on: Filling

pressure in

the permitted

range

–Flashing:

Filling pres-

sure outside

the permitted

range

Hot water gener-

ation active

–Permanently

on: Draw-off

mode before

burner is on

–Flashing:

Burner on in

draw-off mode

Heating mode

active

–Permanently

on: Heating

mode heat

requirement

–Flashing:

Burner on in

heating mode

Comfort mode

active

–Permanently

on: Comfort

mode active

–Flashing:

Comfort mode

active, burner

Maintenance re-

quired

Information on

the maintenance

message in the

"Live Monitor"

Sym-

bol

Meaning Explanation

Summer mode

active

Heating mode is

switched off

Burner anti-cyc-

ling time is active

To avoid the

need for frequent

switching on and

off (increases the

product's working

life).

F. X X

Fault in the

product

Appears instead

of the basic

display, may be

an explanatory

plain text display.

3.4 Information on the

identification plate

The identification plate is mounted on the

underside of the product in the factory.

The identification plate keeps record of

the country in which the product is to be

installed.

Information

on the identi-

fication plate

Meaning

Barcode with serial number

Serial number For quality control purposes;

3rd and 4th digits = year of

production

For quality control purposes;

5th and 6th digits = week of

production

For identification purposes;

7th to 16th digits = product

article number

For quality control purposes;

17th to 20th digits = place of

manufacture

ecoFIT sustain

8..

Product designation

2H, G20

–2 kPa

(20 mbar)

Factory setting for type of

gas and gas connection

pressure

Cat. Unit category

Product description 3

0020230530_01 ecoFIT sustain Operating instructions 9

Information

on the identi-

fication plate

Meaning

Condensing

technology

Efficiency class of the boiler

in accordance with EC Dir-

ective 92/42/EEC

Type: Xx3(x) Permissible flue gas connec-

tions

PMS Maximum water pressure in

heating mode

PMW Maximum water pressure in

hot water handling mode

V/Hz Electrical connection

W Max. electrical power con-

sumption

IP Level of protection

Heating mode

Hot water generation

Pn Nominal heat output range

in heating mode

Pnc Nominal heat output range

in heating mode (condensing

technology)

P Nominal heat output range

in hot water handling mode

Qn Nominal heating load range

in heating mode

Qnw Nominal heating load range

in hot water handling mode

Tmax. Max. flow temperature

NOx NOx class for the product

Code (DSN) Specific product code

Read the instructions.

GC no. Gas council number

3.5 Serial number

The serial number is located on a plastic

plate at the bottom of the front casing.

3.6 CE label

The CE label shows that the products

comply with the basic requirements of the

applicable directives as stated on the iden-

tification plate.

The declaration of conformity can be

viewed at the manufacturer's site.

3.7 Benchmark

Vaillant is a licensed member of the

Benchmark Scheme which aims to im-

prove the standards of installation and

commissioning of domestic heating and

hot water systems in the UK and to en-

courage regular servicing to optimise

safety, efficiency and performance.

Benchmark is managed and promoted

by the Heating and Hotwater Industry

Council. For more information visit

www.benchmark.org.uk.

▶Please ensure that the installer has fully

completed the Benchmark Checklist on

the inside back pages of the installation

instructions supplied with the product

and that you have signed it to say that

you have received a full and clear ex-

planation of its operation. The installer

is legally required to complete a com-

missioning checklist as a means of

complying with the appropriate Build-

ing Regulations (England and Wales).

All installations must be notified to Local

Area Building Control either directly or

through a Competent Persons Scheme.

A Building Regulations Compliance Certi-

ficate will then be issued to the customer

4 Operation

10 Operating instructions ecoFIT sustain 0020230530_01

who should, on receipt, write the Notifica-

tion Number on the Benchmark Checklist.

This product should be serviced regularly

to optimise its safety, efficiency and per-

formance. The service engineer should

complete the relevant Service Record on

the Benchmark Checklist after each ser-

vice.

The Benchmark Checklist will be required

in the event of any warranty.

4 Operation

4.1 Operating concept

Op-

erator

control

element

Function

–Setting the hot water temperat-

ure

–Cancelling the activation of an

operating mode

–Cancelling a change to a set

value

–Going one selection level

higher

–Setting the heating flow tem-

perature

–Reading the system pressure

–Activating the comfort mode

–Activating the operating mode

–Confirm setting

–Going one selection level lower

at the

same

time

–Calling up the menu

or –Reducing or increasing the set

value

–Scrolling through menu entries

The current function of the and but-

tons is shown in the display.

Adjustable values are always displayed as

flashing.

You must always confirm a change to a

value. Only then is the new setting saved.

You can press to cancel a procedure at

any time.

4.2 Basic display

The basic display shows the current condi-

tion of the product. If you press a selection

button, the activated function is displayed

in the display.

The functions that are available depend

on whether a controller is connected to the

product.

You can switch back to the basic display

by:

–Pressing to exit the selection levels

–Not pressing any button for longer than

15 minutes.

If there is an error message present, the

basic displays switches to the error mes-

sage.

4.3 Adjustment and display levels

The product has two adjustment and

display levels.

The end user level contains information

and setting options that you require as the

end user.

The installer level is reserved for the com-

petent person. It is protected by a code.

Only competent persons may change any

settings in the installer level.

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