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Friwa 31

Friwa 31
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Friwa 31

Product catalog summary
Overview of AccuWIN Heat Accumulator Systems
Windhager's AccuWIN series is designed to optimize heating systems by efficiently storing and utilizing heat from various sources, including solar energy and solid fuel boilers. The series includes the AccuWIN heat accumulator, AccuWIN solar accumulator, and AccuWIN combination accumulator, each tailored for specific heating needs.
Key Features and Benefits
  • Fleece Insulation: Reduces heat loss by up to 21% compared to conventional insulation, is easy to install, and environmentally friendly with 70% recycled material.
  • Indicating Thermometers: Facilitate easy monitoring of buffer temperatures at different tank levels.
  • Connection Design: Optimized for space-saving installation and efficient energy use, allowing full tank volume utilization.
  • Hooked Strip: Ensures tidy installation by concealing sensor cables.
AccuWIN Solar Accumulator
Designed for efficient solar energy utilization, featuring two solar-powered indirect coil heaters and easy integration into existing systems. It provides high solar yield and can be combined with the FRIWA 30 fresh water module for rapid hot water supply.
AccuWIN Aqua
Combines solar thermal energy use with hot water provision, featuring a compact design and efficient heat storage with low radiation losses.
Innovative Combination Technology
Windhager's patented technology allows flexible combinations of different accumulator sizes and models, ensuring high energy exploitation and system efficiency. Supports both parallel and diagonal connections for optimal heat management.
Operational Modes
  • Loading: Prioritizes loading the AccuWIN Solar first for quick temperature achievement and low radiation losses.
  • Unloading: Prioritizes energy use from the solar accumulator, maintaining optimal temperature stratification and maximizing stored energy use.
Conclusion
The AccuWIN series offers advanced solutions for efficient heat storage and management, integrating seamlessly with various heating systems to reduce costs and enhance comfort.
Key Components
  • AccuWIN Solar Cascade: Utilizes solar energy to improve heating efficiency through a two-step process of sequential accumulator unloading.
  • MultiWINPLUS: A high-efficiency condensing gas boiler.
  • SolarWIN: Solar flat plate collectors for harnessing solar energy.
  • LogWIN: A wood gasification boiler providing an eco-friendly heating solution.
  • FRIWA 30: A fresh water module ensuring a consistent hot water supply with a draw-off rate of 30 liters per minute.
  • AccuWIN Heat Accumulator: Available in various models with different capacities and dimensions for efficient heat storage.
Specifications
  • AccuWIN Models: Available in sizes (825, 1000, 1500 liters) with specific dimensions and weight, designed for various room heights and pressures.
  • AccuWIN Solar Models: Include solar-powered indirect coil heaters with specific surface areas and nominal content, capable of handling high operating pressures.
  • AccuWIN Aqua Models: Designed for water heating with specific dimensions and weights, featuring indirect coil heaters for solar integration.
  • FRIWA 30 Module: Compact dimensions suitable for 1-3 family homes, with a power consumption of 95W and a 230V electrical connection.
Contact Information
Contact details for Windhager offices across various countries, including Austria, Germany, Switzerland, France, Italy, and the United Kingdom, providing phone numbers and email addresses for customer support.
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Catalog excerpts

Friwa 31-1

A breath of fresh air for accumulator systems AccuWIN Heat accumulator Heat accumulator

 Open the catalog to page 1
Friwa 31-3

Gets optimum performance from your heating system Windhager considers itself a visionary firm that is steeped in tradition yet offers efficient and forward-looking solutions for all fuels and solar thermal, fit for the future. Consequently, Windhager delivers new technological impulses time and time again in heat accumulators as well. Take the new AccuWIN accumulator series, for example. Thanks to an innovative accumulator principle and Windhager‘s unique system technology, AccuWIN wrings every last quantum of heat out of your heating system. In conjunction with the MESPLUS intelligent control...

 Open the catalog to page 3
Friwa 31-4

A bonus when it comes to heat 2 Fleece insulation The AccuWIN heat accumulator possesses high-quality fleece insulation which offers significant advantages compared to commonly used expanded foam insulation. The advantages for you • Up to 21% less stored heat loss compared to conventional expanded foam insulation • Simple installation – under all temperature conditions • Environmental protection due to 70% recycled material • Appealing design due to polystyrene jacket • Material is gentle on the skin: does not trigger allergies • Already complies with the upcoming EU requirements on buffer tanks...

 Open the catalog to page 4
Friwa 31-5

AccuWIN heat accumulator Wall-mounted distributor LogWIN Wood gasification boiler AquaWIN Indirect coil heater AccuWIN heat accumulator AccuWIN heat accumulator 1 The AccuWIN heat accumulator is the ideal counterpart to any wood or solid fuel boiler. Surplus energy is quickly absorbed, can be stored for a long period and released again quickly when required. For example, when you get up in the morning, the AccuWIN will already have heated up with the residual energy from the day before. This allows the replenishment intervals to be spaced out widely throughout the day, whilst you enjoy optimum...

 Open the catalog to page 5
Friwa 31-6

Making even better use of solar energy 1 Fleece insulation The AccuWIN Solar heat accumulator possesses high-quality fleece insulation which offers significant advantages compared to commonly used expanded foam insulation. The advantages for you • Up to 21% less stored heat loss compared to conventional expanded foam insulation • Simple installation – under all temperature conditions. • Environmental protection due to 70% recycled material • Appealing design due to polystyrene jacket • Material is gentle on the skin: does not trigger allergies • Already complies with the upcoming EU requirements...

 Open the catalog to page 6
Friwa 31-7

AccuWIN Solar heat accumulator Wall-mounted distributor SolarWIN Solar flat plate collector BioWIN wood pellet central heating boiler AccuWIN Solar Accumulator tank with Fresh Water Station Wi A With AccuWIN Solar, you can use the power of the sun even round the clock. In this way the solar energy stored du way, during the ro cloc ock. day can be used for providing hot water or assisting with heating in the evening. With its two integrated smooth-tube indirect coil heaters, AccuWIN Solar offers a cost-effective solution compared to external solar stations, which ensures the highest possible solar...

 Open the catalog to page 7
Friwa 31-8

FRIWA 30 fresh water module Relaxing in a hot bath after a cold winter‘s day or enjoying a shower after sport – hot water is an essential feature of our lifestyle. In combination with the AccuWIN or AccuWIN Solar, the FRIWA 30 fresh water module supplies you with hot water at the right temperature in a matter of moments. Depending on requirements, this module can be mounted either directly on the heat accumulator or on the wall. Thermostat head setting 55 °C Cold water inlet 10 °C 20 15 Draw-off rate l/min Characteristic: Hot water temperature and draw-off amount depending on the buffer temperature...

 Open the catalog to page 8
Friwa 31-9

AccuWIN Aqua combined heat accumulator AccuWIN Aqua offers efficient use of solar thermal energy and hot water provision in one unit. The practical combination accumulator only takes up a little space and can easily be integrated into any Windhager heating system, even as a retrofit. High-quality soft foam insulation with 100 mm wall thickness for the best possible heat storage Large area solar-powered indirect coil heater at top: integrated in ACA 1000 Stainless steel corrugated tube indirect coil heater for fresh hot water preparation using the flash heating principle (avoidance of bacteria...

 Open the catalog to page 9
Friwa 31-10

Accessories – everything from a single supplier All Windhager heating components fit together perfectly and are an optimum match for one another. With your accessories too, you can depend on quality from Windhager: Electrical heating element NB-071/072/073/077 With thermostat. Available with power ratings 2.2 kW (230 V) and 3/4/6 kW (400 V). Circulation unit for FRIWA 30 FW-ZE A circulation unit is available as an option for the FRIWA 30 for operating a domestic water circulation system. Display panel CW-010 for ACA The display panel with 3 remote temperature gauges allows the accumulator temperatures...

 Open the catalog to page 10
Friwa 31-11

Simple combination All AccuWIN heat accumulators can be combined with one another flexibly. This allows the appropriate accumulator solution to be assembled from different sizes and models, according to individual requirements. The innovative accumulator and combination technology developed by Windhager ensures a uniquely high level of energy exploitation in all cases, therefore delivering an optimum level of system efficiency (see pages 12 and 13 for mode of function). Unique, patented combination technology! Buffer transfer pump for transferring the heat from the 2nd to the 1st accumulator...

 Open the catalog to page 11
Friwa 31-12

Unique combination technology With innovative combination and loading technology, Windhager has succeeded in utilising the stored heat even more efficiently in future. To this end, the buffer tanks are connected both in parallel and diagonally. This means the solar yield is significantly greater than in conventional solutions, above all in buffer cascades with only one solar accumulator. Mode of function: loading Step 1: First accumulator is loaded First of all, only the AccuWIN Solar is loaded as a result of the buffer loading control and the hydraulic arrangement. Advantages for you • Quickly...

 Open the catalog to page 12

All Windhager Zentralheizung GmbH catalogs and technical brochures

  1. MESPLUS

    10  Pages

  2. AQUAWIN

    12  Pages

  3. BioWIN XL

    20  Pages

  4. BIO WIN2

    28  Pages

  5. AccuWIN

    16  Pages

  6. EasyWIN

    8  Pages

  7. BioWIN2

    20  Pages

  8. VarioWIN XS

    16  Pages

  9. LogWIN

    8  Pages

Archived catalogs

  1. SolarWIN

    10  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.