Junkers Cerapuracu Zwsb 28-3e Methane Condensing Boiler With 42 Lt Accumulation Complete With Smoke Kit - Erp

Technical features

Heating energy class: A;
DHW energy class (domestic hot water): A (ErP);
Declared load profile XL
Nominal thermal power: 23 kW
Nominal heat input: 23.5 kW
Nominal thermal power sanitary: 28kW
Useful thermal efficiency at rated power: 40/30 °C: 102%
Useful thermal efficiency at 30% rated load: 40/30 °C: 108%
Continuous sanitary production: 21 l/min
Accumulation capacity: 42 l
NOx class: 5
Degree of protection: IP X4D
Version: CNG

General characteristics

The Cerapuracu boiler is equipped with a tank intended for the accumulation of domestic hot water, so as to guarantee a large quantity of water and has a very simple installation system. This feature makes it innovative by responding with high performance with energy saving. Delivered for outdoor installation, in a fairly protected place, in compliance with current legislation.

Functions:
Suitable for use with Ø 60 mm drains;
10 liter heating expansion tank;
2-litre sanitary expansion vessel;
Class 5 emissions;
Circulator dedicated to the accumulation of DHW
Circulator for heating in Energy Class A.
High efficiency primary heat exchanger;
Oversized sanitary plate heat exchanger.
Bosch Heatronic 3®, with BUS system, has various functions for changing application parameters; easy inspection of any stored anomalies; detection of the temperatures identified by the various sensors and indications regarding the status of the appliance;
SolarInside-ControlUnit: solar optimization on/off;
42 liter stratified storage system divided into 3 tanks;
Continuous modulation of both DHW and heating power;
Modulating fan and premix burner;
7 bar safety valve for storage tanks;
System filling device integrated in the boiler;
Internal circulator dedicated to the DHW storage system and heating side circulator in Energy Class A.

Can be combined with (Accessories):
Possible remote management via MB LAN2 modules (accessory) which can be combined with CR 100 or CW thermoregulators.
Management with Bosch Control CT100, digital modulating room thermoregulator, with soft touch display that can be positioned on the wall, with an elegant and refined design; accompanied by a smart and functional app (JunkersHome).
Optimal combination with solar thermal systems for DHW using the TWM 20 accessory.

Dimensions (LxWxH): 482 x 600 x 880 mm; 67kg

• peso: 35.0 kg
• classe energetica produzione acs: A
• classe energetica riscaldamento: A
• gas: Methane
• marca: Junkers Bosch
• metri quadri : 120
• modello: CALD_3300A
• potenza in kw: 23
• potenza nominale: 23
• superficie riscaldabile mq: 120
• tipologia : Ad accumulo