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- Page 1 Installation and maintenance 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 info@vaillant.de www.vaillant.de...
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Page 2: Table Of Contents
Installing the gas connection ....... 14 Appendix ................29 Checking the gas line for leak-tightness....15 Diagnostics level 1 diagnostics codes.... 29 Installing the water connections ......15 Diagnostics level 2 diagnostics codes.... 30 Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... - Page 3 Inspection and maintenance work – Overview............. 32 Fault messages – Overview......33 Check programmes ........... 34 Status codes – Overview ........34 Wiring diagram........... 36 Technical data............ 37 Index ................... 46 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions...
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Page 4: Safety
– installing and fitting the product in accord- ▶ Leave the building immediately and ensure ance with the product and system approval that others do not enter the building. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 5: Risk Of Death Due To Blocked Or Leaking Flue Gas Routes
▶ Wait for at least 3 minutes until the capa- system. citors have discharged. ▶ Ensure that the supply of combustion air is ▶ Check that there is no voltage. always free of fluorine, chlorine, sulphur, dust, etc. 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 6: Risk Of Being Burned Or Scalded By Hot Components
1.17 Risk of material damage caused by using an unsuitable tool ▶ Use the correct tool. 1.18 Regulations (directives, laws, standards) ▶ Observe the national regulations, stand- ards, guidelines and laws. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 7: Notes On The Documentation
VC, VCC, VCW Type designation 10, 19, 20, 24, 25 Unit output Unit generation -5 = plus, -7 = exclusive Unit type Mains voltage Power consumption Mains frequency Max. line pressure 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 8: Ce Label
DVGW VP 112 (test basis from the German Association for Gas and Water Industry Asso- ciation for granting the DVGW quality mark) in accordance with the identification plate. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 9: Dimensions
Connection for flue system Cylinder return Connection for heat- 35 35 Gas connection ing expansion relief valve drain pipework, Cylinder flow 15 mm diameter Heating flow Tundish/siphon connec- tion R 1 Retainer 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... - Page 10 Safety group Heating return Retainer Cold water connection Connection for flue system Gas connection Circulation pump set Domestic hot water Outer edge of the cas- connection Heating flow Expansion relief valve outflow Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04...
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Page 11: Minimum Clearances
Only use fixing material that is permitted for the wall. Conditions: The load-bearing capacity of the wall is sufficient, The fixing material may be used for the wall ▶ Wall-mount the product as described. 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 12: Removing/Installing The Front Casing
Undo the two screws (1). Pull the front casing (2) at the lower end approx. 1–2 cm to the front. Lift the front casing and pull it forwards to remove it from the product. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 13: Lower Unit Cover
Flush all of the hot and cold water pipes thoroughly before you install the product. Set up the side casing on the rear holding collar. Slide the side casing approx. 1–2 cm downwards and tighten it again (1). 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 14: Installation Requirements
The conversion procedure is described in the manual supplied with the conversion set. Install the gas supply at the gas connection (1) in com- pliance with the applicable standards. Purge the gas line. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 15: Checking The Gas Line For Leak-Tightness
Install the heating flow (1) and the heating return (2) in Effective lifting height accordance with the relevant standards. Effective flue height Check all connections for tightness. Stretched pipe length ≥ 1/2 L) Approach section (h α Slightly upward = -3° 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 16: Electrical Installation
– Power supply cable: Flexible cable (dia- meter ≥ 3 x 0.75 mm Undo the clips on the upper cover of the electronics box. Hinge up the cover. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 17: Connecting Additional Components
Bridge terminals 3 and 4 if no bridge is present. Conditions: Connecting a low-voltage control (24 V) ▶ Connect the control to connection terminals 7, 8, 9. ▶ Bridge terminals 3 and 4 if no bridge is present. 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 18: Operation
2nd diagnostics level, ▶ If you ascertain that it contains sedimentary materials, you can directly access the 2nd diagnostics you must desludge the installation. level without re-entering the password. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 19: Preventing Low Water Pressure
No incompatibility with our products has been detected to date with proper use of the following additives. ▶ When using additives, follow the manufacturer's instruc- tions without exception. 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 20: Purging The Heating Installation
Fill the domestic hot water system until water escapes. ◁ The domestic hot water system is filled and purged. Check all of the connections and the entire domestic hot water system for leaks. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... - Page 21 Temporarily decommission the product. 10. Close the gas stopcock. 11. Remove the manometer. 12. Tighten the screw on the test nipple. 13. Open the gas stopcock. 14. Check the test nipple for gas tightness. 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions...
- Page 22 If hot water generation is working correctly, the display shows S.14. 13. Retighten the sealing screw on the gas valve assembly. 14. Check the gas tightness. 15. Then check the minimum gas volume. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04...
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Page 23: Adapting The Unit To The Heating Installation
100%. Set maximum burner anti-cycling time [min] (tar- Flow ▶ Activate the 2nd diagnostics level. (→ Page 18) get) [°C] ▶ Set the pump output for d.14. 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 24: Setting The Bypass Valve
5 further turns to the If noises are produced 0.017 left from the mid- in the radiators or radi- (170) position ator valves Hinge the electronics box upwards. Install the front casing. (→ Page 12) Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 25: Preparing The Cleaning Work
Hook the plate into the straps provided for it. Install the upper flow pipe and return pipe. Tighten the screwed connections on the flow and return pipe again. 10. Retighten the screwed connections on the cooling pipes. 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 26: Completing Cleaning Work
Install the front casing. (→ Page 12) ▶ valves for the radiators and the drain cock. Open the gas stopcock and, in combination products, the cold-water isolation valve. ▶ Switch on the product. (→ Page 18) Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 27: Checking The Pre-Charge Pressure Of The Expansion Vessel
Use the + button in the fault memory to scroll back. ▶ Press the i and + buttons at the same time or wait for four minutes in order to exit the fault list display. 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 28: 12 Decommissioning
The display goes out. ▶ Close the gas stopcock. ▶ On combination products and products with a connec- ted domestic hot water cylinder, you must also close the cold-water isolation valve. Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 29: Appendix
1 = On valves 0 = Off – – d.35 Position of the prioritising Current value 0 = Heating mode diverter valve 40 = Mid-position 100 = Domestic hot water mode 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 30: B Diagnostics Level 2 Diagnostics Codes
Switching accessory relay 1 1 = Circulation pump 2 = External pump 3 = Cylinder charging pump 4 = Flue non-return flap/extraction hood 5 = External gas valve 6 = External fault message Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... - Page 31 Offset for target warm start value d.75 Maximum cylinder charging time (for cylinders without their own control system) d.77 Domestic hot water genera- Full load Product- Product- tion partial load pend- pend- 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions...
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Page 32: C Inspection And Maintenance Work - Overview
Check the general condition of the product, remove any general dirt from the product Open the gas supply and switch on the product Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 33: D Fault Messages - Overview
PCB incorrectly plugged in, break in cable harness, ignition system (ignition transformer, ignition cable, ignition plug, ignition electrode) defective, ionisation flow interrupted (cable, electrode), incorrect earthing of product, electronics defective 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 34: E Check Programmes
Heating mode: Pump prerun Heating mode: Ignition Heating mode: Burner on Heating mode: Pump overrun Heating, remaining anti-cycling time xx mins Displays in domestic hot water mode S.10 Domestic hot water requirement Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... - Page 35 S.96 Return sensor test running, heating demands are blocked. S.97 The water pressure sensor test is running, the heat demands are blocked. S.98 Flow/return sensor test running, heating demands are blocked. 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions...
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Page 36: G Wiring Diagram
Limit thermostat for 20 V underfloor heating Flue gas sensor, warm start NTC, DHW outlet NTC eBUS controller (exclusive only) 24 V room thermostat Circulation pump remote control Power supply: 230 V/50 Hz Outdoor temperature sensor Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 37: H Technical Data
11.0 output range … 10.0 kW … 18.0 kW … 22.0 kW P at 80/60 °C Maximum 10.0 kW 20.0 kW 24.0 kW heating out- put for hot water gener- ation 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 38: Vcc 194/4-5 120 (Ll-De), Concealed
0.025 MPa 0.025 MPa 0.025 MPa feed head (0.250 bar) (0.250 bar) (0.250 bar) (0.250 bar) (0.250 bar) (0.250 bar) (0.250 bar) of pump (at nominal cir- culation wa- ter volume) Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... -
Page 39: Vcw De 194/4-5 A-H
35 … 65 ℃ 35 … 65 ℃ 35 … 65 ℃ 35 … 65 ℃ 35 … 65 ℃ 35 … 65 ℃ Domestic hot water output tem- perature range 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 40: Vcw De 244/4-5 A-L
120 ℃ 150 ℃ 150 ℃ 150 ℃ 150 ℃ Max. flue gas tem- perature NOx emissions 51 mg/kW⋅h 51 mg/kW⋅h 51 mg/kW⋅h 30 mg/kW⋅h 30 mg/kW⋅h 30 mg/kW⋅h 30 mg/kW⋅h Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... - Page 41 150 ℃ 130 ℃ 130 ℃ 130 ℃ 150 ℃ Max. flue gas tem- perature NOx emissions 33 mg/kW⋅h 30 mg/kW⋅h 30 mg/kW⋅h 29.0 mg/kW⋅h 37 mg/kW⋅h 37 mg/kW⋅h 30 mg/kW⋅h 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions...
- Page 42 130 ℃ Max. flue gas tem- perature NOx emissions 30 mg/kW⋅h 37 mg/kW⋅h 37 mg/kW⋅h Flue gas 0.0015 kPa 0.0015 kPa 0.0015 kPa discharge (0.0150 mbar) (0.0150 mbar) (0.0150 mbar) pressure P Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04...
- Page 43 − − − − − (G31) liquid 0.62 … 2.09 kPa (6.20 … 20.90 mbar) − − Minimum 2.0 mbar 2.0 mbar 2.0 mbar 1.7 mbar 1.7 mbar heat input (G20) 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions...
- Page 44 Natural gas 0.13 0.14 0.14 (G25) … 0.71 kPa … 0.65 kPa … 0.65 kPa (1.30 (1.40 (1.40 … 7.10 mbar) … 6.50 mbar) … 6.50 mbar) − − − (G31) liquid Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04...
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Page 45: Vcw De 244/4-5 A-H
204/4-7 A-L 204/4-7 A-H 254/4-7 A-P 254/4-7 A-L 254/4-7 A-H 194/4-5 A-L − − − − − VCW DE VCW DE VCW DE 194/4-5 A-H 244/4-5 A-L 244/4-5 A-H − − − 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions... -
Page 46: Index
Function check of the flue gas sensor......... 26 Tool ..................6 Gas type ................14 Transport ................6 Treating the heating water........... 18 Handing over to the end user ..........24 Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04... - Page 47 Index Unpacking the product ............8 Voltage .................. 5 Weight ................. 11 Wiring .................. 16 0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions...
- Page 48 0020214272_04 0020214272_04 01.03.2018 Supplier Vaillant Deutschland GmbH & Co.KG Berghauser Str. 40 D-42859 Remscheid Telefon 021 91 18‑0 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 distributed only with the manufacturer's written consent.
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