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Part number:
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Technical specifications
- Material heat exchanger: Stainless steel
- Closed version: Yes
- Nominal power 80-60 °C: 20 kW
- Nominal load upper value: 20 kW
- Rated load lower value: 8 kW
- Adjustable heating power: Yes
- Suitable for natural gas: Yes
- Suitable for propane: No.
- Suitable for butane: No.
- Suitable for methane: No.
- Max. Cycle temperature (working temperature): -75°C.
- Min Operating pressure 1 bar
- Max. Gas footprint 25 mbar
- Min Gas footprint 18 mbar
- Nominal drinking water power: 20 kW
- Built-in pump circuit: Yes
- Built-in pressure gauge: Yes
- In-built weather-dependent controller: No.
- Built-in expansion tank: Yes
- Height: 800 mm
- Width 440 mm
- Depth: 360 mm
- Forward connection: External thread (metric)
- Pipe outer diameter of inlet: 26.44 mm
- Reverse connection: External thread (metric)
- Pipe outer diameter Return: 26.44 mm
- Fuel connection: Other
- Pipe outer diameter of fuel: 20 mm
- Connection of air supply: Sleeve
- Smoke extraction connection: Sleeve
- Nominal diameter channel flue gas discharge: 110 mm
- Connection of cold drinking water: External thread (metric)
- Nominal diameter of cold drinking water: 1/2 in. (15)
- Outer tube diameter of cold drinking water: 20.95 mm
- Connection warm water: External thread (metric)
- Nominal diameter of hot water connection: 3/4 in. (20)
- Hot drinking water outside tube diameter: 20.95 mm
- Energy efficiency Hot water: 90%
- Energy efficiency class room heating: C
- Energy efficiency class for hot water: B.
- Heat dissipation at nominal heat discharge in operation at high temperature (P4): 19.917 kW
- Efficiency at high temperature (n4) nominal heat emission: 80.82%
- Additional power consumption at full load (elmax): 0.095 kW
- Product type
Gas-fired condensing wall heater
- Operating voltage
0 V
20.0 kW
- Timer
No
- Heater features
Web-enabled
- Dim
(L x W x H) 440 x 440.00 x 800.00 mm
- Weight
44 kg
C (A++ - G)
- Width
440.00 mm
- Height
800.00 mm
- Length
440 mm
- Depth
360.00 mm
- Material
Non-corrosive steel
- Nominal voltage
0 V
- UKCA
not relevant
Documents & Downloads
User & Safety Instructions
User & Safety Instructions 3148661 Vaillant VCW 194 LL-Gas Gas-fired condensing wall heater C (A++ - G)
Description
AtmoTEC plus VCW 194/4-5A Wall Heater with chimney connection Product advantages, modulating regulated power, Pro E system, Aqua Comfort system, horizontal hydraulic connections for installation accessories that can be installed in the device housing and flexible use in modernization equipment, electronically controlled pump, water pressure sensor and pressure gauge, 12 l expansion tank, automatic rapid-breather and heating safety valve, varioframe, water-cooled, atmospheric pre-burner Electronic partial load adjustment, Secondary heat exchanger made of stainless steel, hydraulic and gas-side pre-installation possible, DIA system with symbol display, illuminated, service panel Gas type Gas LL nominal power range 80/60°C 8.0-20.0 kW power with warm water 20.0 kW max. thermal load. Heating mode 22.2 kW max. Heat load Warm water 22.2 kW min. Thermal load. 8.9 kW Standard utilization 84 % (HS) / 93 % (Hi) Pump residual delivery height 250 mbar Supply temperature max. 85°C Electrical connection 230/50 V/Hz Supply/Return connection G 44 Cold/Hot water connection G 3/4 Gas connection G 1/2 Exhaust connection 110 mm Height/width/depth 800/440/360 mm Weight 3/4 kg CE PIN CE-0085BS0340 Gas device category I2ELL Seasonal room heating energy efficiency class (Spectrum A+++ to D) Warm water energy efficiency class B (Spectrum A+ to F)
This text is machine translated.
This text is machine translated.
Accessories
(*All information is plus legal VAT)The necessary accessories are required to use the article as described.
