Gas condensing Boiler Condens 5700i W GC5700iW 35/35 C

Description

Gas condensing Boiler Bosch Condens 5700i W GC5700iW 35/35 C

with stainless steel modulating burner (with premix) and AL-Si alloy heat exchange surface.

The new HMI700 color display
Controller visible during operation with an adjustable viewing angle in the service position
New generation robust circulation pump (Taco3G / UMP4L)
Maximum accessibility of the heat exchanger through the top cover and removable front/side covers
Modular connectivity solution with K30
Prepared for hybrid operation
Modulation range up to 1:10 depending on the model
Seasonal efficiency ErP 94%
Display features
Display full text
Outdoor display flame icon
7 touch buttons
2.4" TFT color screen in 4:3 format
Visible area ~ 50x38 mm
Resolution 320 x 240 pixels, color depth 16 Bit
Delivery package
Gas condensing thermal power plant
Fixing plate
Safety valve hose and condensate siphon
Set of brochures for product documentation
Fastening material
The price includes the horizontal flue gas exhaust kit D=60/100 mm, L=1000 mm with 90° elbow with measuring points and flange for installation on the central unit.

Technical data

Calorific value/thermal load
Thermal demand modulation range Q 7
Nominal thermal load hot water QnW 34.4 kW
Nominal thermal load max. heating Qn 34.4 kW
Nominal heat output max. (80/60 °C) Up to 33.6 kW
Nominal heat output max. (50/30 °C) Pcond 35.0 kW
Nominal heat output max. (40/30 °C) 35.2 kW
Nominal thermal load min. heating Qmin 5.1 kW
Nominal thermal power min. (80/60 °C) Pmin 5.0 kW
Nominal thermal power min. (50/30 °C) Pmin 5.5 kW
Nominal thermal power min. (40/30 °C) Pmin 5.5 kW

Efficiency
Max. heating power 80/60 °C % 97.7 %
Max. heating power 50/30 °C 101.6 %
Max. heating power 40/30 °C 102.3 %
Heating power min. 80/60 °C 98.3 %
Heating power min. 50/30 °C 108.3 %
Heating power min. 40/30 °C 108.8 %

Gas connection value
Methane gas G20 (Hi(15 °C) = 9.5 kWh/m3) 3.51 m3/h
Methane gas G25 (Hi(15 °C) = 8.1 kWh/m3) m3/h 4.89 m3/h
Liquefied gases (Hi = 12.9 kWh/kg) 1.36 kg/h
Admissible gas connection pressure
Methane gas G20 17 - 25 mbar, Liquefied gases 25 - 35 mbar
Values for calculating the cross section according to EN 13384g/s14.23/2.17
Flue gas temperature 80/60 °C at max./min. Nominal heat output 71/56 °C
Flue gas temperature 40/30 °C at max./min. Nominal heat output 52/32 °C
Residual transport pressure 140 Pa
CO2 content at max. nominal heat load. 9.5%
CO2 content at nominal thermal load min. 8.6%
O2 content at max. nominal heat load. 3.8%
O2 content at nominal thermal load min.5 %
Flue gas value group according to G 636/G 635 – G61/G62
NOx class – 6
Condensed
Amount of condensate max. (TR = 30 °C) 1.7 l/h
The pH value approx. – 3.5 - 4.0 3.5 - 4.0 3.5 - 4.0 3.5 - 4.0
Expansion tank: Pressurization 1.0 bar, Total content 12 liters

Hot water
Volumetric flow max. (dT = 50 K) 15 l/min
Starting water quantity 2.5 l/min
Hot water temperature 60°C
temperature max. cold water inlet 60°C
max pressure admissible hot water 10 bar.