Vaillant Package 1.781/3 ecoTEC plus VCI 20/26CS/1-5, VRT 380/2, VIH CL20S

VAILLANT Package 1.781/3 ecoTEC plus VCI
20/26 CS/1-5, VRT 380/2, VIH CL20S
Product advantages:
- Standard seasonal efficiency 98% (Hs) / 109%
(Hi)
- Modulation up to 1:8
- Self-adaptive
combustion control to compensate for
gas quality fluctuations and for
preventive appliance analysis
- IoniDetect combustion control system
for all gas types
- New, modern design and compact
appliance dimensions for easy
heater replacement
- Combi appliance with downstream
layer charging cylinder for high
domestic hot water comfort
- Integrated domestic hot water preparation via
stainless steel heat exchanger with
Aqua-Comfort-System plus
- Illuminated graphic display with
touch controls
- Display for setting and
monitoring internal
appliance functions as well as for operating
the single-circuit controller sensoDIRECT 710
- Comfort protection program for a
reliable heat supply
Equipment:
- High-efficiency pump
- Water pressure sensor, flow rate sensor,
manometer, 10 litre ADG, 20
- litre stainless steel cylinder,
high-efficiency layer charging pump,
TW-SI valve,
- 1 litre potable water ADG,
connecting pipes and cylinder sensor
- Integral condensation heat exchanger
made of stainless steel
- Secondary heat exchanger made of stainless steel
- eBUS interface
- Illuminated graphic display with
touch controls
- Integrated diagnostic interface
Type VCI 20/26 CS/1-5
Nominal output range
50/30 °C 3.4 kW 21 kW
80/60 °C 3 kW 19.7 kW
Flow/return connection G 3/4
Cold/hot water connection G 3/4
Gas connection Diam. 20 mm
Air/flue gas connection Diam. 60/100
Weight 55 kg
Total cylinder capacity 20 l
Height/Width/Depth 720 mm 440 mm 546 mm
1 x 0010043903 VCI 20/26 CS/1-5
1 x 0010045485 VRT 380/2
Package Energy Efficiency Class Hot Water A (A+++ -
G)
Order no. 8000014437