Vaillant AtmoTEC exclusive Bedienungsanleitung

Operating instructions

atmoTEC exclusive,

atmoTEC plus

VC, VCC, VCW

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 atmoTEC exclusive, atmoTEC plus 0020214277_01

Contents

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

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

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

1.3 Danger caused by improper operation .................. 3

1.4 Risk of death from escaping gas ........................... 3

1.5 Risk of death due to blocked or leaking flue

pipework ................................................................ 4

1.6 Risk of death due to explosive and flammable

materials ................................................................ 4

1.7 Risk of death due to changes to the product or

the product environment........................................ 4

1.8 Risk of poisoning caused by insufficient

combustion air supply............................................ 4

1.9 Risk of being scalded by hot drinking water .......... 4

1.10 Risk of injury and material damage due to

maintenance and repairs carried out incorrectly

or not carried out at all........................................... 4

1.11 Risk of corrosion damage due to unsuitable

combustion and room air ....................................... 4

1.12 Risk of material damage caused by

calcification ............................................................ 5

1.13 Risk of material damage caused by frost .............. 5

2 Notes on the documentation .............................. 6

2.1 Observing other applicable documents ................. 6

2.2 Storing documents................................................. 6

2.3 Validity of the instructions...................................... 6

3 Product description............................................. 6

3.1 Overview of the control elements .......................... 6

3.2 Information on the data plate................................. 7

3.3 CE label ................................................................. 8

4 Operation.............................................................. 8

4.1 Opening the isolators............................................. 8

4.2 Checking the system pressure on the

manometer............................................................. 8

4.3 Starting up the product .......................................... 8

4.4 Switching on the product ....................................... 8

4.5 Switching off the product ....................................... 9

4.6 Checking the system pressure .............................. 9

4.7 Filling the heating installation ................................ 9

4.8 Setting the heating flow temperature (with

control)................................................................. 10

4.9 Setting the heating flow temperature (without

control)................................................................. 10

4.10 Setting the domestic hot water generation .......... 10

4.11 Switching off the functions of the product............ 12

4.12 Carrying out the flue gas analysis ....................... 12

5 Calling up status codes .................................... 12

6 Detecting and eliminating faults ...................... 13

7 Care and maintenance ...................................... 13

7.1 Maintenance ........................................................ 13

7.2 Caring for the product.......................................... 13

8 Decommissioning.............................................. 13

8.1 Temporarily decommissioning the product.......... 13

8.2 Permanently decommissioning the product......... 14

9 Recycling and disposal..................................... 14

10 Guarantee and customer service..................... 14

10.1 Guarantee............................................................ 14

10.2 Customer service................................................. 14

Appendix ............................................................................ 15

A Status codes –Overview .................................. 15

B Troubleshooting ................................................ 15

Safety 1

0020214277_01 atmoTEC exclusive, atmoTEC plus 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.

Applicability: B1 unit types

Dieser Heizkessel mit Naturzug ist für den

Anschluss ausschließlich in bestehenden Ge-

bäuden an eine von mehreren Wohnungen

belegte Abgasanlage bestimmt, die die Ver-

brennungsrückstände aus dem Aufstellraum

ins Freie ableitet. Er bezieht die Verbren-

nungsluft unmittelbar aus dem Aufstellraum

und ist mit einer Strömungssicherung ausge-

stattet. Wegen geringerer Effizienz ist jeder

andere Einsatz dieses Heizkessel zu vermei-

den —er würde zu einem höheren Energie-

verbrauch und höheren Betriebskosten füh-

ren.

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 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.

1.4 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.

▶Close the emergency control valve or the

main isolator.

▶If possible, close the gas isolator cock on

the product.

1 Safety

4Operating instructions atmoTEC exclusive, atmoTEC plus 0020214277_01

▶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.

▶Alert the police and fire brigade as soon as

you are outside the building.

▶Use a telephone outside the building to

inform the emergency service department

of the gas supply company.

1.5 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.

1.6 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).

1.7 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 expansion relief valve

–to the drain pipework

–to constructional conditions that may

affect the operational reliability of the

product

1.8 Risk of poisoning caused by

insufficient combustion air supply

Conditions: Open-flued operation

▶Ensure that there is a sufficient combus-

tion air supply.

1.9 Risk of being scalded by hot drinking

water

There is a risk of scalding at the hot water

draw-off points if the hot water temperatures

are greater than 60 °C. Young children and

elderly persons are particularly at risk, even

at lower temperatures.

▶Select the temperature so that nobody is at

risk.

1.10 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.

1.11 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.

Safety 1

0020214277_01 atmoTEC exclusive, atmoTEC plus Operating instructions 5

1.12 Risk of material damage caused by

calcification

If the water hardness is greater than 3.57

mol/m³, there is a risk of calcification in

products which generate hot water.

▶Set the hot water temperature to a max-

imum of 50 °C.

1.13 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.

2 Notes on the documentation

6Operating instructions atmoTEC exclusive, atmoTEC plus 0020214277_01

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

VC DE 104/4-7 A-P 0010018739

VC DE 104/4-7 A-L 0010018740

VC DE 104/4-7 A-H 0010018741

VCC 194/4-5 120 (E-DE), surface-

mounted

0010024478

VCC 194/4-5 120 (E-DE), concealed 0010024480

VCC 194/4-5 120 (LL-DE), surface-

mounted

0010024479

VCC 194/4-5 120 (LL-DE), concealed 0010024481

VCW DE 194/4-5 A-L 0010017844

VCW DE 194/4-5 A-H 0010017845

VCW DE 204/4-7 A-P 0010018745

VCW DE 204/4-7 A-L 0010018746

VCW DE 204/4-7 A-H 0010018747

VCW DE 244/4-5 A-L 0010017846

VCW DE 244/4-5 A-H 0010017847

VCW DE 254/4-7 A-P 0010018742

VCW DE 254/4-7 A-L 0010018743

VCW DE 254/4-7 A-H 0010018744

Applicability: VCC 194/4-5 120 (E-DE), surface-mounted, VCC 194/4-5

120 (E-DE), concealed, VCC 194/4-5 120 (LL-DE), surface-mounted, VCC

194/4-5 120 (LL-DE), concealed

These instructions are only valid in conjunction with the in-

structions for:

–VIH R 120/6 B

–Cylinder retrofitting set

–VRT 350

–Piping set

–Surface-mounted piping set for 120 l

–Concealed piping set for 120 l

3 Product description

3.1 Overview of the control elements

bar

1 2

45678

1 Display

2 i button

3 Control (accessory)

4 Manometer

5 Main switch

6 + button

7 - button

8 Reset button

9 Heating flow temperat-

ure rotary knob

10 Domestic hot water

rotary knob

The display shows the current heating flow temperature, the

system pressure of the heating installation, the operating

mode or certain additional information.

The ibutton is used to call up status information.

The control, which is available as an accessory, automatic-

ally controls the flow temperature depending on the outdoor

temperature.

The manometer is used to mechanically display the current

filling pressure of the heating installation.

The main switch is used to switch the product on and off.

The +button is used to switch on the chimney sweep func-

tion.

The −button is used to switch on the chimney sweep func-

tion and to display the filling pressure of the heating installa-

tion.

The Reset button is used to reset the product in the case of

certain faults.

The heating flow temperature rotary knob is used to set the

heating flow temperature if no control is connected. If a con-

trol is connected, the heating flow temperature rotary knob

should be turned clockwise as far as it will go.

VC/VCC: The domestic hot water rotary knob is used to set

the cylinder temperature if a domestic hot water cylinder is

connected.

VCW: The domestic hot water rotary knob is used to set the

domestic hot water outlet temperature.

If a control is connected, the domestic hot water rotary knob

should be turned clockwise as far as it will go. The control

then determines the cylinder temperature.

Product description 3

0020214277_01 atmoTEC exclusive, atmoTEC plus Operating instructions 7

3.1.1 Digital Information and Analysis System

(DIA)

1 Display showing the

current heating flow

temperature, the filling

pressure in the heating

installation, or a status

or fault code

2 Plain text display (for

atmoTEC exclusive

only)

Symbol Meaning Explanation

Flue gas route Symbol permanently

visible: Fault in the flue

gas route

VR 920 The heating flow and

domestic hot water tem-

perature are specified

via the VR 920 commu-

nications system. The

product works at temper-

atures other than those

set at the rotary knob.

This operating mode can

only be terminated by:

–VR 920

–Changing the tem-

perature at the rotary

knobs by more than

±5 K

This operating mode

cannot be terminated

by:

–Pressing the Reset

button.

–Switching the

product off and on

again

Heating mode –Symbol perman-

ently on: Product is

in heating mode op-

erating mode

–Symbol flashing:

Burner anti-cycling

time is active

Symbol Meaning Explanation

Domestic hot water gen-

eration

VC/VCC*:

–Symbol perman-

ently visible: Char-

ging mode for the

domestic hot water

cylinder is enabled

by the control and

floor-standing boiler

control system

–Symbol flashes: Do-

mestic hot water cyl-

inder is being heated

VCW:

–Symbol permanently

visible: Domestic hot

water is being drawn

off

–Symbol off: No do-

mestic hot water is

being drawn off

Warm start VCW:

–Symbol permanently

visible: Warm start

function is in standby

–Symbol flashes:

Warm start function

is in standby, burner

is switched on

Heating pump operating

Solenoid valve is actu-

ated

Gas supply to the burner

is open

Current energy demand Display of the current

burner modulation rate

(only bar graph display

for atmoTEC exclusive)

Fault during burner oper-

ation

Burner is switched off

Burner operating cor-

rectly

Burner is switched on

* Only when a domestic hot water cylinder is connected

Press the "-" button for approx. five seconds to switch from the

flow temperature display to the system pressure display or vice-

versa.

3.2 Information on the data plate

The data plate is mounted on the underside of the product at

the factory.

Information on the data

plate

Meaning

VC, VCC, VCW Type designation

10, 19, 20, 24, 25 Unit output

/4 Unit generation

-5 = plus, -7 = exclusive Unit type

V Mains voltage

W Power consumption

Hz Mains frequency

MPa Max. line pressure

IP IP rating/protection class

Cat. (e.g. II 2H3P ) Unit category

4 Operation

8Operating instructions atmoTEC exclusive, atmoTEC plus 0020214277_01

Information on the data

plate

Meaning

Type (e.g. B 11) Gas-fired boiler types

2E, G20 –20 mbar (2.0 kPa) Gas group and gas connection

pressure as set at the factory

ww/yyyy (e.g. 11/2014) Date of manufacture:

Week/year

PMW (e.g. 10 bar (1 MPa)) Permissible total excess pres-

sure during domestic hot wa-

ter generation

PMS (e.g. 3 bar (0.3 MPa)) Permissible total excess pres-

sure in heating mode

P Nominal heat output range

Tmax. (e.g. 85 °C) Max. flow temperature

Q Heat input range

D Nominal domestic hot water

draw-off rate

Heating mode

Domestic hot water generation

Barcode with serial number,

The 7th to 16th digits of the

serial number form the article

number

3.3 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.

4 Operation

4.1 Opening the isolators

1. Ask the competent person who installed the product to

explain to you where these isolators are located and

how to handle them.

2. Open the gas stopcock installed on-site.

3. Open the gas stopcock on the product.

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

and return.

Applicability: Product with integrated domestic hot water generation

OR Product with connected domestic hot water cylinder

▶Open the cold-water isolation valve.

4.2 Checking the system pressure on the

manometer

bar

▶Before starting up the unit, check the installation's filling

pressure on the manometer (1). To ensure that the heat-

ing installation works correctly, a filling pressure between

1.0 and 2.0 bar should be displayed when the installation

is cold (the indicator on the manometer is then located in

the light-grey area). If the filling pressure is lower than 0.8

bar (the indicator on the manometer is then in the dark-

grey area), it must be filled with water before start-up (→

section "Filling the heating installation").

Note

If the heating installation extends over several

storeys, a higher filling pressure may be re-

quired. Ask your competent person for details.

4.3 Starting up the product

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

pletely closed.

4.4 Switching on the product

bar

1. Use the main switch (1) to switch on the product.

◁1: "ON"

◁When the main switch is in position 1, the product is

switched on and the standard display for the Digital

Information and Analysis System is shown in the

display .

2. Set up your product according to your needs.

Operation 4

0020214277_01 atmoTEC exclusive, atmoTEC plus Operating instructions 9

4.5 Switching off the product

bar

1. Use the main switch (1) to switch off the product.

–In order for the protection modes, such as frost pro-

tection, to remain activated, only activate and de-

activate the product using the control (you can find

information about this in the relevant operating in-

structions).

◁0: "OFF"

2. If no control is present, turn the adjuster anti-clockwise

as far as it will go to switch off the heating and domestic

hot water mode.

4.6 Checking the system pressure

bar

1−button

▶Check the heating installation's filling pressure at regular

intervals. Briefly press the −(1) button.

◁The display will show the filling pressure for approx-

imately 5 seconds.

◁The filling pressure must lie between 1.0 and 2.0 bar

when the heating installation is cold in order for the

heating installation to operate properly. If the pres-

sure is lower, you must add heating water before

starting up.

Note

You can permanently switch between the tem-

perature or pressure display in the display by

pressing and holding the –button for approx-

imately five seconds.

Note

To avoid operating the heating installation with

an insufficient water volume and to prevent

potential subsequent damage, the product is

fitted with a pressure sensor. The pressure

sensor signals the low pressure level if the

level falls below 0.6 bar. This is signalled by

the system pressure value in the display flash-

ing. If the level falls below 0.03 MPa (0.3 bar),

the system displays the fault message and

F.22 alternately, and the burner is blocked. If

the system pressure is lower than 0.06 MPa

(0.6 bar), fill the heating installation up again

as quickly as possible. As soon as the sys-

tem pressure rises above 0.6 bar, the product

starts up again without any further measures

being required.

Note

If the heating installation extends over several

floors, a higher system pressure for the heat-

ing installation may be necessary. Ask your

competent person for details.

4.7 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.

▶In case of doubt, ask a competent person

for details.

Note

The competent person is responsible for filling the

heating installation the first time.

1. Connect the filling tap to a cold water pipe, as explained

by the competent person.

2. Open all radiator valves (thermostatic valves) of the

heating installation.

3. Open the cold water pipe.

4. Turn the filling tap on slowly and allow water to flow in

until the required system pressure has been reached.

5. Close the cold water pipe.

6. Purge all radiators.

7. Check the filling pressure of the heating installation.

(→Page 9)

8. Top up with more water if required.

9. Close the filling tap.

10. Disconnect the filling tap from the cold water pipe.

4 Operation

10 Operating instructions atmoTEC exclusive, atmoTEC plus 0020214277_01

4.8 Setting the heating flow temperature (with

control)

bar

1. Set the rotary knob for the heating flow temperature (1)

to the clockwise end stop.

2. Set the required heating flow temperature on the control

(→Control operating instructions).

4.9 Setting the heating flow temperature

(without control)

bar

▶Set the target flow temperature on the rotary knob for

the heating flow temperature (1) in accordance with the

outdoor temperature.

Position Meaning Outdoor temperat-

ure

Fully left Frost protection

Anti-clockwise (but

not at the end stop) Transition Time

Approx.

10 … 20 ℃

(50.0 … 68.0 ℉)

Centre Moderate cold

Approx.

0 … 10 ℃

(32.0 … 50.0 ℉)

Clockwise Extreme cold Below

0℃(32.0 ℉)

◁After turning the rotary knob for the heating flow tem-

perature, the display shows the set target flow tem-

perature (2). After three seconds, this display goes

out and the default display reappears (current heating

flow temperature).

Note

The maximum heating flow temperature is set

in the factory at 75 °C. This can be defined by

the competent person to be between 40 °C

and 85 °C.

4.10 Setting the domestic hot water generation

4.10.1 Setting the domestic hot water temperature

Applicability: Product with integrated domestic hot water generation

bar

1. Switch on the product (→"Switching on the product"

section).

2. Set the rotary knob (1) for setting the domestic hot wa-

ter temperature to the required temperature.

–Domestic hot water temperature: Left-hand stop

approx. 35 °C, right-hand stop max. 65 °C.

–When setting the required temperature, the associ-

ated target value is shown in the display (2). After

approx. five seconds, this display goes out and the

normal default display reappears (current flow tem-

perature of the heating installation).

Applicability: Product with connected domestic hot water cylinder

Conditions: Control connected

bar

▶Switch on the product (→"Switching on the product"

section).

▶Set the domestic hot water rotary knob (1) as far as it

will go clockwise so that the control can work without

any faults occurring.

Danger!

Risk of death from legionella.

Legionella multiply at temperatures below

60 °C.

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