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Appendix

0020258016_01 ecoTEC pure Installation and maintenance instructions

43

G

Technical data

Note

For products with heating mode only, the technical data for the hot water is only relevant if a domestic hot water
cylinder is connected to the product.

Technical data

Heating

VC 146/7-2 (E-DE)

VCW 206/7-2 (E-DE)

Maximum heating flow temperature
(default setting

D.71)

75

75

Range for the heating flow temperat-
ure control

30 … 80

30 … 80

Maximum permissible pressure (PMS)

0.3 MPa
(3.0 bar)

0.3 MPa
(3.0 bar)

Nominal water flow (

Δ

T = 20 K)

577 l/h

797 l/h

Δ

P heating at nominal flow (

Δ

T = 20

K), bypass closed

0.032 MPa

0.024 MPa

Δ

P heating at nominal flow (

Δ

T = 20

K), bypass in the position set at the
factory

0.055 MPa

0.043 MPa

Approximate value for the condensate
volume (pH value between 3.5 and
4.0) at 50/30 °C

1.38 l/h

1.87 l/h

Expansion vessel capacity

8.0 l

8.0 l

Maximum heat output (default setting

d.00)

Auto

Auto

Technical data

G20

VC 146/7-2 (E-DE)

VCW 206/7-2 (E-DE)

Effective output range (P) at 50/30 °C

6.9 … 14.8 kW

7.0 … 20.1 kW

Effective output range (P) at 80/60 °C

6.2 … 13.4 kW

6.4 … 18.5 kW

Heat output range

domestic hot wa-

ter or cylinder reheating (P)

6.5 … 18.2 kW

6.6 … 24.3 kW

Maximum heat input

heating (Q

max.)

13.8 kW

18.7 kW

Minimum heat input

heating (Q min.)

6.6 kW

6.6 kW

Maximum heat input

Domestic hot

water or cylinder reheating (Q max.)

18.4 kW

24.4 kW

Minimum heat input

Domestic hot

water or cylinder reheating (Q min.)

6.6 kW

6.6 kW

Technical data

G25

VC 146/7-2 (E-DE)

VCW 206/7-2 (E-DE)

Effective output range (P) at 50/30 °C

6.9 … 14.8 kW

7.0 … 20.1 kW

Effective output range (P) at 80/60 °C

6.2 … 13.4 kW

6.4 … 18.5 kW

Heat output range

domestic hot wa-

ter or cylinder reheating (P)

6.5 … 18.2 kW

6.6 … 24.3 kW

Maximum heat input

heating (Q

max.)

13.8 kW

18.7 kW

Minimum heat input

heating (Q min.)

6.6 kW

6.6 kW

Maximum heat input

Domestic hot

water or cylinder reheating (Q max.)

18.4 kW

24.4 kW

Minimum heat input

Domestic hot

water or cylinder reheating (Q min.)

6.6 kW

6.6 kW

Technical data

G31

VC 146/7-2 (E-DE)

VCW 206/7-2 (E-DE)

Effective output range (P) at 50/30 °C

6.9 … 14.8 kW

7.0 … 20.1 kW

Effective output range (P) at 80/60 °C

6.2 … 13.4 kW

6.4 … 18.5 kW

Summary of Contents for ecoTEC pure VC 146/7-2(E-DE)

Page 1: ...maintenance instructions ecoTEC pure VC 146 7 2 E DE VCW 206 7 2 E DE DE Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 49 21 91 18 0 Fax 49 21 91 18 2810 info vaillant d...

Page 2: ...Adapting the unit to the installation 21 8 1 Activating diagnostics codes 21 8 2 Burner anti cycling time 21 8 3 Setting the maximum heating output 22 8 4 Setting the maintenance interval 22 8 5 Setti...

Page 3: ...Contents 0020258016_01 ecoTEC pure Installation and maintenance instructions 3 G Technical data 43 Index 46...

Page 4: ...e with all inspection and main tenance conditions listed in the instruc tions Intended use also covers installation in ac cordance with the IP code Any other use that is not specified in these instruc...

Page 5: ...e 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 8 Risk of death due to cabinet type casing Cabinet t...

Page 6: ...mbustion 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 flue system Ensure that...

Page 7: ...e 5 Plate heat exchanger 6 Condensate siphon 7 Gas valve 8 Fan 9 Compact thermal module 10 Ionisation and ignition electrode 11 Primary heat exchanger 12 Temperature sensor in the heating flow 13 Temp...

Page 8: ...minal heating load range in heating mode Pn Nominal heat output range in heating mode Pnc Nominal heat output range in heating mode condensing technology Hot water generation Qnw Nominal heating load...

Page 9: ...ter air flue pipe 11 Product bracket 12 Plug unused connec tion only for products that have heating mode 13 R1 tundish condensate siphon connection 14 Flue pipe connection Consult the installation tem...

Page 10: ...t 1 on the wall Hang the product on the product bracket from above using the suspension bracket Conditions The load bearing capacity of the wall is not sufficient Ensure that wall mounting apparatus o...

Page 11: ...he gas valve in the product under pressure use a max test pressure of 11 kPa 110 mbar If you cannot limit the test pressure to 11 kPa 110 mbar close any gas isolator cocks that are installed upstream...

Page 12: ...passing the rate of gas supply required 2 Install a system separator to be provided on site dir ectly on the cold water connection for the combination unit 3 Check that the volumetric capacity of the...

Page 13: ...ensate discharge hose 2 5 4 Installing the discharge pipe on the expansion relief valve 1 1 Ensure that the pipeline is visible 2 Connect the expansion relief valve 1 The components must be set up in...

Page 14: ...mm diameter 1 Remove the connection piece for the air flue pipe this is installed at the factory Page 14 65 1 2 Insert the alternative connection piece with offset to wards the front 3 Use two screws...

Page 15: ...supply cable Flexible line 2 Make sure that the rated voltage of the mains is 230 V 1 3 Route a three core power supply cable that complies with the relevant standards through the grommet and into th...

Page 16: ...ructions Conditions Components connected to relay 1 Activate Page 17 D 27 Conditions Components connected to relay 2 Activate Page 17 D 28 6 Operation 6 1 Operating concept The operating concept and t...

Page 17: ...person 2 Press The display switches to the basic display 6 6 Using check programmes By activating various check programmes you can trigger various special functions on the product 6 6 1 Calling up th...

Page 18: ...quantity dur ing the operating life of the system exceeds three times the nominal volume of the heating installation or If the guideline values listed in the following table are not met or If the pH v...

Page 19: ...of the siphon 1 into the upper section of the siphon 2 7 6 Filling and purging the heating installation Preliminary work 1 Flush the heating installation through 2 Observe the information on the topic...

Page 20: ...re the gas connection pressure against atmo spheric pressure Permissible connection pressure Germany Natural gas G20 1 7 2 5 kPa 17 0 25 0 mbar G25 1 7 3 0 kPa 17 0 30 0 mbar Liquid gas G31 2 5 4 5 kP...

Page 21: ...te the heating mode on the user interface 2 Turn all thermostatic radiator valves on the radiators until they are fully open 3 Allow the product to operate for at least 15 minutes 4 Fill and purge the...

Page 22: ...mber of per sons Guideline value for burner operating hours until the next inspection maintenance work is due for an average operating time of one year dependent upon the system type 5 0 kW 1 2 1050 h...

Page 23: ...lation room of the product 9 Troubleshooting 9 1 Checking service messages appears for example if you have set a maintenance in terval and this has passed or if a service message has been issued The p...

Page 24: ...enance or repair work use only the spare parts that are permitted for the product 9 7 Replacing defective components 9 7 1 Replacing the burner 1 Remove the compact thermal module Page 29 1 2 2 Undo t...

Page 25: ...e heat exchanger downwards and to the right and remove it from the product 11 Install the new heat exchanger in reverse order 12 Replace the seals Note Instead of grease use only water or com merciall...

Page 26: ...the electronics box Page 14 3 Pull the plug out of the PCB 4 Undo the clips on the PCB 5 Remove the PCB 6 Install the new PCB in such a way that it clicks into the groove at the bottom and into the c...

Page 27: ...gas connection for the air flue gas installation during maintenance and repair work Adhere to the minimum inspection and maintenance in tervals The inspection may require maintenance to be carried out...

Page 28: ...full load 250 ppm 250 ppm CO CO 0 0027 0 0027 G25 Setting the O value Germany Natural gas Removed front casing Fitted front cas ing G25 G25 CO at full load 8 8 0 3 9 0 0 3 Set for Wobbe in dex W 11 5...

Page 29: ...g 4 Tilt the electronics box forwards 2 1 3 5 Unscrew the retaining screw 1 and remove the air intake pipe 2 from the intake stub 6 Unscrew the cap nut from the gas valve 3 1 5 4 3 7 6 2 7 Remove the...

Page 30: ...ition and flame control electrodes 3 5 4 5 mm 6 Make sure that the seal 5 is free from damage If necessary replace the seal 10 11 Cleaning the condensate siphon A B C 1 2 3 1 Unclip the lower section...

Page 31: ...10 Check the gas flow pressure 10 15 Checking the product for leak tightness Check that the product is leak tight Page 21 10 16 Checking the admission pressure of the expansion vessel 1 Drain the prod...

Page 32: ...13 Customer service 32 Installation and maintenance instructions ecoTEC pure 0020258016_01 13 Customer service Auftragsannahme Vaillant Kundendienst 021 91 5767901...

Page 33: ...er and pump switch off to fill or drain the product Automatic air vent function Purging the product If the pressure is lower than 0 03 MPa 0 3 bar for longer than 15 seconds and then is above 0 07 MPa...

Page 34: ...PWM 95 100 1 2 3 4 5 Fixed rotational speeds Section Setting the pump output 0 Adjustable d 15 Pump speed Current value Not adjustable d 16 Status of the 24 V room thermostat ON OFF Current value off...

Page 35: ...or filling 100 Domestic hot water Not adjustable d 36 Value for the hot water flow Current value l min Applies to Combi boiler Not adjustable d 39 Water temperature in the solar circuit Current value...

Page 36: ...0 Not adjustable d 81 Running time in hot wa ter handling mode Current value h Running time Display value x 100 Not adjustable d 82 Number of burner igni tions in heating mode Current value Number of...

Page 37: ...handling mode Advance fan operation S 22 Hot water handling mode Pump pre run S 23 Hot water handling mode Burner ignition S 24 DHW mode Burner on S 25 DHW mode Pump fan overrun S 26 DHW mode Fan ove...

Page 38: ...ing F 28 Fault Ignition unsuccessful when starting up Gas meter defective or gas pressure monitor has triggered air in gas gas flow pressure too low thermal isolator device TAE has triggered incorrect...

Page 39: ...starts the temperature change recorded by the flow or return temperature sensor is non existent or too small Insufficient water in the product flow or return temperature sensor incorrectly attached to...

Page 40: ...X106 6 5 4 3 2 1 X41 1 3 4 1 3 3 1 2 M 1 3 4 6 1 2 3 M 5 4 2 1 2 1 2 1 2 1 2 1 2 1 N L 24V 230V 24V 230V 2 11 12 13 15 1 7 8 3 4 5 6 9 10 14 17 16 1 Main PCB 2 Interface PCB 3 Safety thermostat for un...

Page 41: ...4 1 3 3 1 2 M 1 3 4 6 1 2 3 M 5 4 2 1 2 1 2 1 N L 24V 230V 24V 230V 2 11 12 13 15 1 7 8 3 4 5 9 10 14 17 16 6 1 Main PCB 2 Interface PCB 3 Safety thermostat for underfloor heating 4 24 V DC room ther...

Page 42: ...MPa 0 3 bar under the system filling pressure X 9 Remove the compact thermal module X 10 Check the insulating mats in the combustion area If you notice any damage replace the insulat ing mats Replace...

Page 43: ...tive output range P at 50 30 C 6 9 14 8 kW 7 0 20 1 kW Effective output range P at 80 60 C 6 2 13 4 kW 6 4 18 5 kW Heat output range domestic hot wa ter or cylinder reheating P 6 5 18 2 kW 6 6 24 3 kW...

Page 44: ...ld water 8 0 l min Hot water comfort in accordance with the standard EN 13203 Technical data General VC 146 7 2 E DE VCW 206 7 2 E DE Gas category II2ELL3P II2ELL3P Diameter of the gas pipe 1 2 1 2 Di...

Page 45: ...8 kg Weight when filled with water 32 4 kg 33 5 kg Technical data Electrics VC 146 7 2 E DE VCW 206 7 2 E DE Electric connection 230 V 50 Hz 230 V 50 Hz Built in fuse slow blow T2 2A 250V T2 2A 250V M...

Page 46: ...odes Use 17 Diagnostics codes calling up 21 Discharge pipe expansion relief valve 13 Display and setting options 16 Disposal packaging 31 Disposing of the packaging 31 Documents 7 Draining product 29...

Page 47: ...awing 5 Scope of delivery 8 Serial number 8 Service message 23 Setting the bypass 22 Setting the maximum burner anti cycling time 21 Setting bypass 22 Side section installing 11 Side section removing...

Page 48: ...8 0 Telefax 021 91 18 2810 Auftragsannahme Vaillant Kundendienst 021 91 5767901 info vaillant de www vaillant de These instructions or parts thereof are protected by copyright and may be reproduced or...

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