Vaillant Package 1.751/3 ecoTEC plus VCW 20/26CS/1-5, VRC 720/3

VAILLANT Package 1.751/3 ecoTEC plus VCW
20/26 CS/1-5, VRC 720/3
Product advantages:
- Standard efficiency 98% (Hs) / 109%
(Hi)
- Modulation up to 1:8
- Self-adaptive
Combustion control to compensate for
gas quality fluctuations and for
preventive device analysis
- IoniDetect combustion control system
for all types of gas
- New, modern design and compact
device dimensions for easy
heater replacement
- Combi device with integrated
hot water preparation according to the
flow principle
- Aqua-Comfort-System plus,
outlet temperature control and hot
water without long waiting times
- Illuminated graphic display with
operation via touch elements
- Display for setting and
monitoring internal
device functions and for operating
the single-circuit controller sensoDIRECT 710
- Comfort protection program for a
reliable heat supply
Equipment:
- High-efficiency pump
- Water pressure sensor, volume flow sensor,
manometer, 10 liter ADG,
safety valve,
compression fitting gas connection
- Integral condensation heat exchanger
made of stainless steel
- Secondary heat exchanger made of stainless steel
- Integrated storage control with
priority changeover valve
- eBUS interface
- Illuminated graphic display with
touch controls
- Integrated diagnostic interface
Type VCW 20/26 CS/1-5
Output at
50/30 deg. C (natural gas EE/LL) 3.4 kW 21 kW
80/60 deg. C (natural gas EE/LL) 3 kW 19.7 kW
80/60 deg. C (LPG) 4.8 kW 19.7 kW
Seasonal space heating efficiency
ETA S 94%
Output during hot water preparation Max 26
kW
Flow/return connection G 3/4
Gas connection Dia. 20 mm
Air/flue gas connection Dia. 60/100
Height/Width/Depth 720 mm 440 mm 348 mm
1 x 0010043901 VCW 20/26 CS/1-5
1 x 0010045478 sensoCOMFORT VRC 720/3
Package Energy Eff. Class Hot Water A (A+++ -
G)
Order No. 8000016545