Table of Contents
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Technical guide
Vitosol 100
Type s2.5
Vitosol 200
Viessmann solar panels
the right solution for every application
Using solar energy to heat domestic hot water and to provide
central heating backup
5822 135 6 GB
5/2004
Vitosol 100
Type 5DI
Vitosol 250
Vitosol 100
Flat collector
for installation on flat and pitched roofs, for roof integration
and for freestanding installation
Large area flat collector
for roof integration on pitched roofs with roof tiles
Vitosol 200
Direct flow vacuum tube collector for installation on pitched and
flat roofs and on walls
Vitosol 250
Highly efficient direct flow vacuum tube collector for installation
on pitched and flat roofs and on walls
Vitosol 300
Vacuum tube collector, based on the heat pipe principle, for
installation on pitched and flat roofs and for freestanding installation
VITOSOL
Vitosol 300
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Table of Contents
Related Manuals for Viessmann Vitosol200
Summarization of Contents
Technical Guide Overview
Viessmann Solar Panels: The Right Solution
Introduction to Viessmann solar panels for DHW and central heating applications.
1.1 Subsidies, Permits, and Insurance
Initial System Installation Subsidies
Grant levels for new solar panel installations in Germany.
Expansion of Existing Systems Subsidies
Subsidy amounts for expanding existing solar systems.
1.2 Solar Energy Principles
Exploiting Solar Energy
Using solar energy for heating buildings and domestic hot water.
Solar Radiation Fundamentals
Solar constant, global radiation, direct and diffused radiation.
Solar Energy with Collectors
Factors affecting collector absorption and system dimensioning.
Optimizing Energy Yield: Alignment & Inclination
Adjusting collector alignment and inclination for maximum energy yield.
1.3 Overall System Optimisation
Key System Components
Overview of essential components for a solar heating system.
Ventilation of Collector Circuit
Ensuring efficient operation through proper collector circuit ventilation.
2.1 Collector Construction and Function
Viessmann Solar Panel Range Overview
Specifications of Vitosol collectors by dimensions and weight.
Vitosol 100 Collector Details
Specifications for Vitosol 100 flat collectors (Type s/w 2.5, 5 DI).
Vitosol 200 Collector Details
Specifications for Vitosol 200 vacuum tube collectors.
Vitosol 250 Collector Details
Specifications for Vitosol 250 vacuum tube collectors.
2.2 Collector Efficiency
Collector Efficiency Curve Calculation
Formula and graph for calculating collector efficiency based on temperature.
Comparative Collector Performance Data
Optical efficiency and heat loss factors for Vitosol collectors.
2.3 Solar Coverage
DHW Solar Coverage Diagrams
Coverage values for DHW heating based on collector type and consumption.
Parameters Affecting Solar Coverage
Influence of system parameters on expected solar coverage rates.
2.4 Selection of Collector Types
Collector Installation Options
Table of installation options for Vitosol collectors on roofs and walls.
Vitosol 100 Pitched Roof Mounting
Design information for mounting Vitosol 100 on pitched roofs.
Vitosol 100 Pitched Roof Integration
Design information for integrating Vitosol 100 into pitched roofs.
Vitosol 100 Flat Roof Substructure Installation
Installation details for Vitosol 100 on flat roofs using substructures.
Snow Load Zones for Installation
Snow Load Zone Map and Notes
Map of Germany showing snow load zones and installation notes.
Collector Angle 25º/45º Load Calculations
Vitosol 100 Type s 2.5 Ballast & Load Data
Tables for ballast and load calculations for Vitosol 100 Type s 2.5.
Substructure Load Calculation Example
Example calculation for substructure load (secured against slippage).
Substructure Load Calculations for Vitosol 200
Vitosol 200 Support Weight and Load Data
Support weight and total load data for Vitosol 200 collectors.
Vitosol 200 Load Calculation Example
Example calculation for substructure load (secured against slippage).
Substructure Load Calculations for Vitosol 300
Vitosol 300 Support Weight and Load Data
Support weight and total load data for Vitosol 300 collectors.
Vitosol 300 Load Calculation Example
Example calculation for substructure load (secured against slippage).
2.5 General Installation Instructions
Roof Access and Ventilation Tiles
Installing trap doors and using ventilation tiles for collector connections.
Earthing and Lightning Protection
Requirements for electrical conductivity and lightning protection.
3.1 Calculating Required Collector Surface Area
DHW Loading and Heating Calculations
Estimating collector area and DHW cylinder capacity for DHW heating.
Swimming Pool Water Heating Calculation
Factors affecting heat demand for swimming pools.
Guide Values for Solar Heating Systems Sizing
Collector area sizing guide based on inclination and collector type.
DHW Heating Coverage Diagrams
Diagrams for sizing Vitosol collector area based on DHW consumption.
Collector Area and Number Estimation Examples
DHW Loading Example for Detached House
Detailed example for calculating collector area for DHW loading.
Swimming Pool Heating Example
Detailed example for calculating collector area for pool heating.
3.2 Sizing Pipe Diameters and Circulation Pump
Pipe Diameter Sizing Guidelines
Recommendations for pipe sizing based on flow rate and collector type.
Vitosol Collector Flow Rate Data
Flow rate and pipe sizing data for Vitosol 100, 200, 250, 300 collectors.
Vitosol 100 High Flow Installation Examples
Installation examples and pipe sizing for Vitosol 100 in high flow mode.
Vitosol 100 Low Flow Installation Examples
Installation examples and pipe sizing for Vitosol 100 in low flow mode.
Solar Heating System Pressure Drop
Components of Total Pressure Drop
Factors contributing to total pressure drop in the solar heating system.
Collector Hydraulic Connection Methods
Collector connection methods for Vitosol models.
Pipe Pressure Drop Graph
Graph showing pressure drop in flow and return pipes.
Collector Pressure Drop Curves
Vitosol 100 Pressure Drop Curve
Pressure drop graph for Vitosol 100 flat collectors.
Vitosol 200 Pressure Drop Curve
Pressure drop graph for Vitosol 200 vacuum tube collectors.
Sizing the Circulation Pump
Circulation Pump Selection Basis
Selecting pumps based on system throughput and pressure drop.
Solar-Divicon Component Description
Description of the Solar-Divicon unit for pump and safety assembly.
Liquid Capacity of Solar System Components
Vitosol Collector Liquid Capacities
Liquid capacities for Vitosol 100, 200, 250, 300 collectors.
Vitocell Cylinder Capacities
Cylinder capacities for various Vitocell DHW cylinders.
Process Medium Handling Notes
Notes on process medium, glycol damage, and system flushing procedures.
3.3 Safety Equipment
Solar Heating System Protection Standards
Protection requirements according to DIN EN 12975/12976.
Safety Valve Sizing
Matching safety valve to collector output and system pressure.
Diaphragm Expansion Vessel
Construction and Operation of Expansion Vessels
Explanation of diaphragm expansion vessel construction and operation.
Viessmann Expansion Vessel Technical Data
Technical specifications for Viessmann diaphragm expansion vessels.
Expansion Vessel Capacity Calculation
Formula and variables for calculating expansion vessel capacity.
Selection Table for MAG Expansion Vessels
MAG Expansion Vessel Selection Guide
Table for selecting MAG expansion vessels based on collector type.
Safety Valve and High Limit Safety Cut-out
Safety Valve Sizing by Aperture Area
Matching safety valve size to collector aperture area.
Requirement for High Limit Safety Cut-out
Criteria for when an additional high limit safety cut-out is required.
3.4 Accessories
Threaded Elbow for Sensor Installation
Threaded elbow for cylinder temperature sensor installation.
Air Separator Installation
Installation of air separator in the solar circuit flow pipe.
Quick-Acting Air Vent Valve Installation
Installation of quick-acting air vent valve at system high points.
Thermostatic Mixing Valve Function
Thermostatic mixing valve for limiting DHW temperature.
4 System Designs
Dual Systems in Our Climatic Zone
Dual systems combining solar with other heat sources are necessary.
Installation Implementation Overview
Overview of installation methods, control equipment, and pumps.
Additional Function for DHW Heating
Daily DHW heating to 60ºC for larger systems (>400L).
Safety Instructions for DHW Heating
Limiting DHW temperature to 60ºC and the need for mixer taps.
4.1 System Design 1 – with Vitosolic 100
DHW Heating with Vitocell-B 100/300 and Vitosolic 100
DHW heating logic with Vitosolic 100, pump switching and temperature differentials.
System Design 1 Installation Diagram (Vitosolic 100)
Schematic of a dual mode DHW heating system with Vitosolic 100.
4.1 System Design 1 – with Vitosolic 200
DHW Heating with Vitocell-B 100/300 and Vitosolic 200
DHW heating logic with Vitosolic 200, pump switching and temperature differentials.
System Design 1 Installation Diagram (Vitosolic 200)
Schematic of a dual mode DHW heating system with Vitosolic 200.
4.2 System Design 2
DHW & Central Heating Backup with Calorifier & Vitosolic 200
DHW and central heating backup logic with Vitosolic 200 and calorifier.
DHW Heating Operation Modes
DHW heating logic with and without solar energy.
Central Heating Operation Modes
Central heating logic with and without solar energy.
4.3 System Design 3
DHW Heating with Two Cylinders and Vitosolic 200
DHW heating with two cylinders, solar/boiler control logic.
DHW Heating Operation Modes (Two Cylinders)
DHW heating logic with and without solar energy for two cylinders.
4.4 System Design 4
DHW & Swimming Pool Heating with Vitosolic 200
DHW and swimming pool heating logic with Vitosolic 200.
DHW Heating Operation Modes (System 4)
DHW heating logic with and without solar energy.
Swimming Pool Heating Operation Modes
Swimming pool heating logic with solar and boiler backup.
4.5 System Design 5
DHW & Central Heating Backup with Combination Cylinder/Calorifier & Vitosolic 200
DHW and central heating backup logic with Vitosolic 200 and combination cylinder.
DHW Heating Operation Modes (System 5)
DHW heating logic with and without solar energy.
Central Heating Backup Operation
Central heating backup operation with solar energy.
4.6 System Design 6
DHW Heating with Series Calorifiers and Vitosolic 200
DHW heating with series calorifiers and Vitosolic 200 logic.
DHW Loading Operation Modes (System 6)
DHW heating logic with and without solar energy.
Heating Water Calorifier Operation
Heating water calorifier operation with solar energy.
4.7 Additional Vitosolic 100 Functions
Suppression of Boiler Reheating (Vitotronic Systems)
Boiler reheating suppression by solar control unit with Vitotronic.
Suppression of Boiler Reheating (Alternative Viessmann Systems)
Boiler reheating suppression with alternative Viessmann control units.
4.8 Additional Vitosolic 200 Functions
Summary of Vitosolic 200 Functions
Summary table of Vitosolic 200 functions and relay outputs.
Bypass Circuit Functionality
Functions related to bypass versions with sensors and solar cells.
Collector Cooling and Frost Protection
Functions to prevent collector overheating and frost damage.
Bypass Circuit Operation
Version 1: Bypass with Collector Sensor
Bypass circuit logic with collector and bypass sensors for Vitosolic 200.
Vitosolic 200 Bypass Circuit Versions
Version 2: Bypass with Solar Cell
Bypass circuit logic using solar cell for Vitosolic 200.
Version 3: Bypass with Solar Cell and Collector Sensor
Bypass circuit logic with solar cell and collector sensor for Vitosolic 200.
Additional Vitosolic 200 Functions (Continued)
External Heat Exchanger Functionality
Functionality of external heat exchangers.
Cooling and Reverse Cooling Functions
Functions to dissipate excess heat and cool the DHW cylinder.
5.1 Viessmann ESOP Calculation Program
DHW Cylinder Calculation Example
Example simulation of a solar heating system for DHW with Vitosol 100.
Simulation Results Overview
Simulation results for energy yield, savings, and DHW coverage.
5.2 Glossary
Absorber and Absorption
Device for absorbing radiation energy and absorption of radiation.
Convection and Heat Loss Coefficients
Heat transfer by flowing medium and heat loss factors k1, k2.
Selective Surface and Stagnation
High-efficiency absorber coating and collector condition without heat removal.
5.3 Overview of Stress Reactions for Vitosol 100
Summary of Reaction Forces
Explanation of reaction force terms (Av, Bv, Ah) used in stress tables.
Load Combination Verification
Verification of connection points for worst-case stress from load combinations.
Vitosol 100 Type s 2.5 Stress Reactions
Collector Angle 20º Stress Data
Stress reaction tables for Vitosol 100 Type s 2.5 at 20º inclination.
Vitosol 100 Type s 2.5 Stress Reactions (Continued)
Collector Angle 20º Stress Data (Continued)
Stress reaction tables for Vitosol 100 Type s 2.5 at 20º inclination.
Vitosol 100 Type s 2.5 Stress Reactions (Continued)
Collector Angle 45º Stress Data
Stress reaction tables for Vitosol 100 Type s 2.5 at 45º inclination.
Vitosol 100 Type w 2.5 Stress Reactions
Collector Angle 25º Stress Data
Stress reaction tables for Vitosol 100 Type w 2.5 at 25º inclination.
Vitosol 100 Type w 2.5 Stress Reactions (Continued)
Collector Angle 45º Stress Data
Stress reaction tables for Vitosol 100 Type w 2.5 at 45º inclination.
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