Vaillant EcoFIT sustain 618 Manuel utilisateur

Operating instructions

ecoFIT sustain

615 - 630

GB, IE

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 0020277253_00

Contents

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

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

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

1.3 General safety information .................................... 3

2 Notes on the documentation .............................. 5

2.1 Observing other applicable documents ................. 5

2.2 Storing documents................................................. 5

2.3 Validity of the instructions...................................... 5

3 Product description............................................. 5

3.1 Front view .............................................................. 5

3.2 Control elements.................................................... 5

3.3 Displayed symbols................................................. 5

3.4 Information on the identification plate.................... 6

3.5 Serial number ........................................................ 6

3.6 CE label ................................................................. 6

3.7 Benchmark............................................................. 6

4 Operation.............................................................. 7

4.1 Operating concept ................................................. 7

4.2 Basic display.......................................................... 7

4.3 Adjustment and display levels ............................... 7

4.4 Cabinet-type casing............................................... 7

4.5 Opening the isolator devices ................................. 7

4.6 Starting up the product .......................................... 7

4.7 Switching on the product ....................................... 7

4.8 Setting the heating flow temperature..................... 7

4.9 Setting the hot water temperature ......................... 8

4.10 Switching off the product's functions ..................... 8

4.11 Guaranteeing the correct filling pressure of the

heating installation................................................. 8

4.12 Protecting the heating installation against frost ..... 9

4.13 Switching the product to standby mode................. 9

5 Troubleshooting .................................................. 9

5.1 Detecting and rectifying faults ............................... 9

5.2 Calling up (Live monitor) status codes .................. 9

6 Care and maintenance ........................................ 9

6.1 Maintenance .......................................................... 9

6.2 Caring for the product............................................ 9

6.3 Reading maintenance messages .......................... 9

6.4 Checking the condensate discharge pipe and

tundish ................................................................... 9

7 Decommissioning.............................................. 10

7.1 Temporarily decommissioning the product.......... 10

7.2 Permanently decommissioning the product......... 10

8 Recycling and disposal..................................... 10

9 Guarantee and customer service..................... 10

9.1 Guarantee............................................................ 10

9.2 Customer service................................................. 10

Appendix ............................................................................ 11

A Status codes –Overview .................................. 11

B Troubleshooting ................................................ 11

Safety 1

0020277253_00 ecoFIT sustain Operating instructions 3

1 Safety

1.1 Action-related warnings

Classification of action-related warnings

The action-related warnings are classified in

accordance with the severity of the possible

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 environmental

damage

1.2 Intended use

There is a risk of injury or death to the user or

others, or of damage to the product and other

property in the event of improper use or use

for which it is not intended.

The product is intended as a heat generator

for closed heating installations and for hot

water generation.

Intended use includes the following:

–observance of the operating instructions

included for the product and any other

system components

–compliance with all inspection and main-

tenance conditions listed in the instruc-

tions.

This product can be used by children aged

from 8 years and above and persons with

reduced physical, sensory or mental capabil-

ities or lack of experience and knowledge if

they have been given supervision or instruc-

tion concerning use of the product in a safe

way and understand the hazards involved.

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 specified in these in-

structions, or use beyond that specified in this

document shall be considered improper use.

Any direct use in industrial or commercial

processes is also deemed to be improper.

Caution.

Improper use of any kind is prohibited.

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 applicable documents, par-

ticularly the "Safety" section and the warn-

ings.

▶Only carry out the activities for which in-

structions 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, doorbells, telephones or other com-

munication 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 isolator cock on

the product.

▶Warn other occupants in the building by

yelling or banging on doors or walls.

▶Leave the building immediately and ensure

that others do not enter the building.

▶Notify the gas supply company or the Na-

tional Grid +44 (0) 800 111999 by tele-

phone once you are outside of the build-

ing.

1 Safety

4Operating instructions ecoFIT sustain 0020277253_00

1.3.4 Risk of death due to blocked or

leaking flue pipework

What to do if you smell flue gas in the prop-

erty:

▶Open all accessible doors and windows

fully to provide ventilation.

▶Switch off the product.

▶Inform a competent person.

1.3.5 Risk of death due to explosive and

flammable materials

▶Do not use the product in storage rooms

that contain explosive or flammable sub-

stances (such as petrol, paper or paint).

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 tamper-

proof seals on components.

▶Do not make any changes:

–The product itself

–to the gas, supply air, water and electri-

city supply lines

–to the entire flue system

–to the entire condensate discharge sys-

tem

–to the expansion relief valve

–to the drain pipework

–to constructional conditions 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, adhesives, ammonia com-

pounds, dust or similar substances may lead

to corrosion on the product and in the air/flue

pipe.

▶Ensure that the combustion air supply is

always free of fluorine, chlorine, sulphur,

dust, etc.

▶Ensure that no chemical substances are

stored at the installation site.

1.3.8 Risk of material damage caused by

frost

▶Ensure that the heating installation always

remains in operation during freezing con-

ditions and that all rooms are sufficiently

heated.

▶If you cannot ensure the operation, have a

competent person drain the heating install-

ation.

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 spe-

cified.

Notes on the documentation 2

0020277253_00 ecoFIT sustain Operating instructions 5

2 Notes on the documentation

2.1 Observing other applicable documents

▶You must observe all operating instructions enclosed with

the system components.

2.2 Storing documents

▶Keep this manual and all other applicable documents

safe for future use.

2.3 Validity of the instructions

These instructions apply only to:

Product article number

Article number Gas Council

Number

VU 156/6-3 (H-GB)

ecoFIT sustain 615

0010025271 41-694-30

VU 186/6-3 (H-GB)

ecoFIT sustain 618

0010025272 41-694-31

VU 306/6-3 (H-GB)

ecoFIT sustain 630

0010025273 41-694-32

3 Product description

3.1 Front view

1 Control elements 2 Plate with serial number

on the rear

3.2 Control elements

1Reset button

2 Operating buttons

3 Display

3.2.1 Operator control panel

1 Current heating flow

temperature, operating

mode, fault code or

additional information

2 Current assignment of

the right-hand selection

button

3 Left- and right-hand

selection buttons

4and button

5 Reset button

6 Maximum output (only

used for Austria, Ger-

many and Switzerland)

7 Access to the menu for

additional information

8 Current assignment of

the left-hand selection

button

9 Active operating status

3.3 Displayed symbols

Symbol Meaning Explanation

Burner operating cor-

rectly

Burner on

bar

Current filling pressure of

the heating system

The dashed lines show

the permitted range

–Permanently on:

Filling pressure in

the permitted range

–Flashing: Filling

pressure outside

the permitted range

Heating mode active –Permanently on:

Heating mode heat

requirement

–Flashing: Burner on

in heating mode

Hot water generation

active

–Permanently on:

In draw-off mode

before burner is on

–Flashing: Burner on

in draw-off mode

Maintenance required Information on the main-

tenance message in the

"Live Monitor"

3 Product description

6Operating instructions ecoFIT sustain 0020277253_00

Symbol Meaning Explanation

Summer mode active

Heating mode is

switched off

Burner anti-cycling 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 Fault in the product.

Appears instead of the

basic 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

identification 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 pure Product designation

2H, G20 –2 kPa (20

mbar)

Factory setting for type of gas and gas

connection pressure

Cat. Unit category

Condensing techno-

logy

Efficiency class of the boiler in accord-

ance with EC Directive 92/42/EEC

Type: Xx3(x) Permissible flue gas connections

PMS Maximum water pressure in heating

mode

PMW Maximum water pressure in hot water

handling mode

V/Hz Electrical connection

W Max. electrical power consumption

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

Information on the

identification plate

Meaning

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

identification plate.

The declaration of conformity can be viewed at the manufac-

turer's site.

3.7 Benchmark

Vaillant is a licensed member of the Benchmark Scheme

which aims to improve the standards of installation and com-

missioning of domestic heating and hot water systems in the

UK and to encourage regular servicing to optimise safety, ef-

ficiency 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 explanation of its operation. The installer is

legally required to complete a commissioning checklist

as a means of complying with the appropriate Building

Regulations (England and Wales).

All installations must be notified to Local Area Building Con-

trol either directly or through a Competent Persons Scheme.

A Building Regulations Compliance Certificate will then be

issued to the customer who should, on receipt, write the No-

tification Number on the Benchmark Checklist.

This product should be serviced regularly to optimise its

safety, efficiency and performance. The service engineer

should complete the relevant Service Record on the Bench-

mark Checklist after each service.

The Benchmark Checklist will be required in the event of any

warranty.

Operation 4

0020277253_00 ecoFIT sustain Operating instructions 7

4 Operation

4.1 Operating concept

Operator

control

element

Function

–Setting the hot water temperature

–Cancelling the activation of an operating

mode

–Cancelling a change to a set value

–Going one selection level higher

–Setting the heating flow temperature

–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 buttons 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 proced-

ure at any time.

4.2 Basic display

The basic display shows the current condition of the product.

If you press a selection button, the activated function is dis-

played in the display.

The functions that are available depend on whether a con-

troller 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 message.

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 competent person. It is

protected by a code. Only competent persons may change

any settings in the installer level.

4.4 Cabinet-type casing

Enclosing the product in cabinet-type casing requires compli-

ance with the applicable design instructions.

If you require cabinet-type casing for your product, consult

a heating specialist company. Never, under any circum-

stances, enclose the product yourself.

4.5 Opening the isolator devices

1. Ask the competent person who installed the product to

explain to you where these isolator devices are located

and how to handle them.

2. Open the gas isolator cock fully.

3. Open the service valves in the heating installation's flow

and return.

Applicability: Product with connected domestic hot water cylinder

▶Open the cold water stop valve.

4.6 Starting up the product

▶Only start up the product once the casing has been com-

pletely closed.

4.7 Switching on the product

▶Switch on the product via the main switch installed on-

site.

4.8 Setting the heating flow temperature

1. Press ( ).

◁The target value of the heating flow temperature

appears on the display.

Note

The competent person may have adjusted

the maximum possible temperature.

Conditions: No controller connected

▶Use or to set the required heating flow temperat-

ure.

▶Confirm by pressing .

Conditions: Controller connected

▶Set the maximum possible heating flow temperature on

the product.

▶Confirm by pressing .

▶Set the required heating flow temperature on the control-

ler (→Controller operating instructions).

4 Operation

8Operating instructions ecoFIT sustain 0020277253_00

4.9 Setting the hot water temperature

Danger!

Risk of death from legionella.

Legionella multiply at temperatures below

60 °C.

▶Have a competent person inform you

about the measures that should be taken

to protect against Legionella in your in-

stallation.

▶Do not set any water temperatures below

60 °C without consulting the competent

person first.

1. Press ( ).

◁The set hot water temperature flashes in the display.

Conditions: No controller connected

▶Change the hot water temperature by pressing or

▶Confirm by pressing .

Conditions: Controller connected

▶Use to set the maximum possible hot water temper-

ature on the product.

▶Confirm by pressing .

▶Set the required hot water temperature on the controller

(→Controller operating instructions).

4.10 Switching off the product's functions

4.10.1 Switching off heating mode (Summer mode)

1. To switch off heating mode without switching off the hot

water generation, press ( ).

◁The value of the heating flow temperature appears

in the display.

2. Use the button to set the heating flow temperature to

Off.

3. Confirm by pressing .

◁Heating mode is switched off.

◁The symbol appears in the display.

4.11 Guaranteeing the correct filling pressure of

the heating installation

4.11.1 Checking the filling pressure of the heating

installation

Note

To ensure that the heating installation operates

smoothly, the filling pressure when the heating

installation is cold must be between 0.10 MPa and

0.20 MPa (1.0 bar and 2.0 bar) or lie between the

two dashed lines in the bar graph display.

If the heating installation extends over several

storeys, a higher filling pressure may be required

for the heating installation. Ask a competent per-

son for details.

In addition, the symbol appears after approx.

one minute.

If the filling pressure in the heating installation

falls below 0.05 MPa (0.5 bar), then the product

switches off. The display alternates between the

fault message F.22 and the current filling pres-

sure.

1. Press twice.

◁The values for the current filling pressure and for the

minimum and maximum filling pressures appear in

the display.

2. Check the filling pressure in the display.

Result 1:

System pressure: 0.10 … 0.20 MPa (1.00 … 2.00 bar)

The filling pressure is in the intended pressure range.

Result 2:

Filling pressure: < 0.08 MPa (< 0.80 bar)

▶Fill the heating installation. (→Page 8)

◁If you have topped up the installation with suf-

ficient heating water, the display automatically

disappears after 20 seconds.

4.11.2 Filling the heating installation

Caution.

Risk of material damage due to heating

water that is extremely calciferous or cor-

rosive or contaminated by chemicals.

Unsuitable tap water damages the seals

and diaphragms, blocks components in the

product and heating installation through

which the water flows and causes noise.

▶Only fill the heating installation with suit-

able heating water.

1. Ask a competent person where the filling cock is loc-

ated.

2. Connect the filling tap to a heating water supply in the

way you were told by the competent person.

3. Open all radiator valves (thermostatic radiator valves) of

the heating installation.

4. Open the heating water supply.

Troubleshooting 5

0020277253_00 ecoFIT sustain Operating instructions 9

5. Turn the filling cock on slowly and allow water to flow in

until the required filling pressure has been reached.

6. Close the heating water supply.

7. Purge all radiators.

8. Check the filling pressure in the display.

9. Top up with more water if necessary.

10. Close the filling cock.

11. Return to the basic display. (→Page 7)

4.12 Protecting the heating installation against

frost

4.12.1 Frost protection function

Caution.

Risk of material damage due to frost.

The frost protection function cannot guaran-

tee flow through the entire heating installa-

tion, which means that parts of the heating

installation may freeze and therefore become

damaged.

▶During a period of frost, ensure that the

heating installation remains in operation

and that all rooms are sufficiently heated,

even when you are away.

Note

To keep the frost protection devices active, you

should switch your product on and off using the

controller, if one is provided.

If the heating flow temperature falls below 5 °C when the

on/off button is on, the product comes into operation and

heats the circulating water to approx. 30 °C on both the heat-

ing side and the hot water side (if available).

4.12.2 Draining the heating installation

When the unit is switched off for an extended period, frost

protection can be guaranteed by completely draining the

heating installation and the product.

▶Consult a competent person about this.

4.13 Switching the product to standby mode

▶Press the reset button for less than three seconds.

◁The display shows OFF and goes out.

◁The product is now in standby mode.

◁The product's frost protection function is activated.

◁The main power supply is not interrupted. The

product continues to be supplied with power.

5 Troubleshooting

5.1 Detecting and rectifying faults

▶If faults occur, proceed in accordance with the table in

the appendix.

Troubleshooting (→Page 11)

▶If the fault cannot be eliminated using the specified

measures or if fault messages (F.xx) occur, contact a

competent person.

5.2 Calling up (Live monitor) status codes

▶Press and at the same time.

Status codes –Overview

◁The current operating mode (status code) is shown

on the display.

6 Care and maintenance

6.1 Maintenance

An annual inspection of the product carried out by a compet-

ent person is a prerequisite for ensuring that the product is

permanently ready and safe for operation, reliable, and has a

long working life.

6.2 Caring for the product

▶Clean the casing with a damp cloth and a little solvent-

free soap.

▶Do not use sprays, scouring agents, detergents, solvents

or cleaning agents that contain chlorine.

6.3 Reading maintenance messages

If the symbol is shown in the display, the product requires

maintenance work.

The product is not in fault mode but continues to operate.

▶Consult a competent person about this.

▶If the water pressure is flashing at the same time, simply

add more heating water.

6.4 Checking the condensate discharge pipe

and tundish

The condensate discharge pipe and tundish must always be

penetrable.

▶Regularly check the condensate discharge pipe and tun-

dish for faults and, particularly, for blockages.

You must not be able to see or feel any obstructions in the

condensate discharge pipe and tundish.

▶If you notice a fault, have it eliminated by a competent

person.

7 Decommissioning

10 Operating instructions ecoFIT sustain 0020277253_00

7 Decommissioning

7.1 Temporarily decommissioning the product

Caution.

Risk of material damage due to frost.

The frost protection and monitoring devices

are only active while the unit is connected

to the power mains and switched on via the

on/off button, and when the gas isolator cock

is open.

▶Temporarily decommission the product

only if no frost is expected.

▶Temporarily decommission the product only if no frost is

expected.

▶Switch off the product via the main switch installed on-

site.

◁The display goes out.

▶When decommissioning the product for a prolonged

period (e.g. holiday), close the gas isolator cock and also,

for combination products, the cold water stop valve.

7.2 Permanently decommissioning the product

▶Have a competent person permanently decommission

the product.

8 Recycling and disposal

▶The competent person who installed your product is re-

sponsible for the disposal of the packaging.

If the product is labelled with this mark:

▶In this case, do not dispose of the product with the

household waste.

▶Instead, hand in the product to a collection centre for

waste electrical or electronic equipment.

If the product contains batteries that are labelled with

this mark, these batteries may contain substances that are

hazardous to human health and the environment.

▶In this case, dispose of the batteries at a collection point

for batteries.

9 Guarantee and customer service

9.1 Guarantee

For information on the manufacturer's guarantee, you can

write to the contact address that is provided on the back

page.

9.2 Customer service

To ensure regular servicing, it is strongly recommended

that arrangements are made for a Maintenance Agreement.

Please contact Vaillant Service Solutions for further details:

Telephone: 0330 100 3461

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