Vaillant ecoTEC sustain 24, ecoTEC sustain 28, ecoTEC sustain 34, ecoTEC pure VCW 206/7-2, ecoTEC pure VC 146/7-2 Operating Instructions Manual

Operating instructions

ecoTEC sustain

24, 28, 34

GB

Operating instructions

Publisher/manufacturer

Vaillant GmbH

Berghauser Str. 40 D-42859 Remscheid
Tel. [phone]‑0 Fax [phone]‑2810
[e-mail] www.vaillant.de

Contents

2 Operating instructions ecoTEC sustain 0020253095_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 Validity of the instructions .............. 7

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

3.1 Product design ............................... 7

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

3.3 Description of the display............... 8

3.4 Information on the identification

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

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

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

3.7 Energy Saving Trust Endorsed

Products......................................... 9

4 Function...................................... 10

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

4.2 Opening the isolator devices ....... 11

4.3 Switching on the product ............. 11

4.4 Setting the heating flow

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

4.5 Setting the hot water

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

4.6 Switching off the product's

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

4.7 Guaranteeing the correct filling

pressure in the heating circuit...... 12

4.8 Switching the product to

standby mode .............................. 13

4.9 Protecting the heating

installation against frost ............... 14

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

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

5.2 Displaying the status codes......... 14

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

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

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

6.3 Reading maintenance

messages .................................... 15

6.4 Checking the condensate drain

pipework and tundish................... 15

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 ........................................ 16

9.1 Guarantee.................................... 16

9.2 Customer service ......................... 16

Appendix ............................................... 17

A Operator level – overview ......... 17

B Status codes – Overview........... 17

C Troubleshooting and fault

elimination.................................. 18

C.1 Troubleshooting ........................... 18

C.2 Rectifying faults ........................... 18

Safety 1

0020253095_01 ecoTEC 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 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 heat-

ing 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 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 supervi­sion or instruction 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 instructions, or
use beyond that specified in this
document shall be considered
improper use. Any direct com­mercial or industrial use is also
deemed to be improper.

Caution.

Improper use of any kind is
prohibited.

1 Safety

4 Operating instructions ecoTEC sustain 0020253095_01

1.3 General safety
information

1.3.1 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, particu­larly the "Safety" section and
the warnings.

▶ Only carry out the activities

for which instructions are
provided in these operating
instructions.

1.3.2 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
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
[phone] by tele­phone once you are outside
of the building.

1.3.3 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.

1.3.4 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 in­stallation room of the product.

Safety 1

0020253095_01 ecoTEC sustain Operating instructions 5

1.3.5 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

1.3.6 Risk of poisoning
caused by insufficient
supply of combustion air

Conditions: Open-flued opera-

tion

▶ Ensure that there is a suffi-

cient supply of combustion
air.

1.3.7 Risk of corrosion
damage due to
unsuitable combustion
and room air

Sprays, solvents, chlorinated
cleaning agents, paint, adhes­ives, 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 in­stallation site.

1.3.8 Risk of material damage
caused by frost

▶ Ensure that the heating in-

stallation always remains in
operation during freezing con­ditions and that all rooms are
sufficiently heated.

▶ If you cannot ensure the op-

eration, have a competent
person drain the heating in­stallation.

1 Safety

6 Operating instructions ecoTEC sustain 0020253095_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.