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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN

2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN

Product catalog summary

1. System Components and Key Elements

The document details essential components used in hybrid solar thermal and heat pump systems for domestic hot water (DHW), heating, and cooling. Key elements include:

Solar Collectors: Flat plate collectors (SC-VF25) capture solar energy.
Hydraulic Groups: Manage flow and return circuits in solar loops.
Control Units: Electronic control boxes (SUN B, SUN C, MERLIN V3/V4) for system management.
Valves: Motorized diverter and mixing valves regulate flow and temperature.
Heat Pumps: Models such as HP 260 SC and HYDRONIC UNIT (4,6,8 kW), including cascade units (12,15 kW), provide heating and cooling.
Condensing Boilers: High-efficiency boilers (Exclusive GREEN HE RS, POWER PLUS series) serve as auxiliary or primary heat sources.
Storage Tanks: Buffer tanks and cylinders with single, double, or triple coils for thermal energy storage and stratification.
Probes and Sensors: Temperature probes for solar collectors, DHW tanks, buffer tanks, external environment, and underfloor heating circuits.
Additional Components: Volumetric heat meters, multifunction relays, water softeners, fireplaces/stoves integration, and swimming pool heat generators.

2. System Configurations

The document presents multiple system schemes illustrating integration of solar thermal, heat pumps, and boilers for various applications:

Hybrid DHW Systems: Combine solar collectors with DHW heat pumps and condensing boilers, using mixing valves and control boxes for efficient hot water production.
Hybrid Systems for DHW, Heating, and Cooling: Incorporate double/triple coil cylinders, motorized diverter valves, and buffer tanks to manage multiple energy sources and climate control.
Separate Heating and Cooling Systems: Feature seasonal switching, multifunction relays, triple coil cylinders, and hybrid buffer tanks for adaptable operation.
Cascade Boiler Systems: Use modular condensing boilers in cascade with multiple solar hydraulic groups and volumetric heat meters for large or complex installations.
Swimming Pool Heating Integration: Combine solar thermal and heat pumps with pool heat generators and diverter valves to manage pool alongside DHW and space heating.
Multi-Energy Tank Systems: Employ triple coil multi-energy tanks for DHW, heating, and pool heating with modular boilers and control kits.
Bivalent Systems: Combine solar thermal, air source heat pumps, and condensing or wall-hung boilers with weather compensation and diverter valves.
Natural Circulation Solar Systems: Use natural circulation for DHW pre-heating integrated with combi boilers and mixing valves.

3. Control and Monitoring

Systems utilize a comprehensive array of probes and sensors to monitor temperatures at critical points, enabling adaptive control. Control boxes and multifunction relays coordinate operation, ensuring optimal energy use and comfort. Room thermostats and external probes provide environmental feedback for weather compensation and system regulation.

4. Recommendations and Best Practices

Use motorized diverter valves to optimize flow distribution among solar, heat pump, boiler, and storage tanks.
Employ mixing valves to maintain safe and comfortable DHW temperatures.
Integrate multiple temperature probes for accurate stratification and control.
Adopt cascade boiler configurations for scalability and redundancy in larger systems.
Include water softeners to protect system components where necessary.
Design systems with seasonal switching capabilities to maximize efficiency.
Incorporate volumetric heat meters for precise energy consumption measurement.
Use weather compensation sensors to optimize boiler and heat pump operation.
Apply safety devices such as expansion vessels, safety valves, and condensate neutralizers to ensure reliability.

5. Limitations and Notes

All diagrams and system schemes are indicative and intended for guidance only. Actual system design must consider site-specific conditions, load requirements, and local regulations. Integration of additional components like fireplaces, stoves, and swimming pools requires careful hydraulic and control design. The document does not provide detailed installation procedures or performance data.

6. Summary of Key Parameters and Components

Component	Typical Models/Types	Function
Flat Collectors	SC-VF25	Solar energy capture
Heat Pumps	HP 260 SC, HYDRONIC UNIT (4,6,8 kW), Cascade Units (12,15 kW)	Heating and cooling generation
Condensing Boilers	Exclusive GREEN HE RS, POWER PLUS series (50-150 kW)	Auxiliary or primary heat source
Buffer Tanks	Single, Double, Triple Coil, Hybrid Buffer Tanks (STOR M, HYBRID STOR)	Thermal energy storage and stratification
Control Boxes	SUN B, SUN C, MERLIN V3/V4	System management and control
Valves	Mixing valves, Motorized diverter valves	Flow and temperature regulation
Probes	Solar collector probes, DHW tank probes, external probes, installation probes	Temperature measurement and system feedback
Safety Devices	Expansion vessels, safety valves, condensate neutralizers	Pressure and safety management

7. Example System: Solar Thermal DHW with Buffer Tank and Cascade Boilers

An illustrative system includes a solar collector feeding heat through a solar-side heat exchanger to a buffer tank, which stores thermal energy. Domestic hot water is heated via a dedicated heat exchanger. Power Plus boilers arranged in cascade provide backup heating to ensure continuous DHW availability. Key components include flow regulators, non-return valves, expansion vessels, safety valves, manual air vents, and a centralized control box. Pumps and probes monitor and regulate system parameters for efficient operation.

Conclusion

This document serves as a comprehensive technical reference for designing and understanding hybrid solar thermal and heat pump systems for domestic hot water, heating, and cooling. It emphasizes modularity, sophisticated control strategies, integration of renewable energy sources, and system scalability. The provided diagrams and component descriptions guide system architects in creating efficient, adaptable, and safe heating solutions tailored to diverse applications.

Catalog excerpts

2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-1

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-2

SYSTEM DIAGRAMS SYSTEM DIAGRAMS

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-3

This scheme has only an indication purpose Return solar hydraulic group Mixing valve DHW tank upper probe Solar collector probe Condensing boiler EXCLUSIVE GREEN HE RSI Domestic hot water heat pump HP 260 SC DHW tank lower probe DCW Domestic cold water System diagrams HYBRID SYSTEM FOR DHW PRODUCTION WITH SOLAR THERMAL AND DHW HEAT PUMP

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-4

SYSTEM DIAGRAMS Flow/return solar hydraulic group DHW diverter mixing valve Double coil cylinder IDRA DS Flow motorized diverter valve heat pump This scheme has only an indication purpose Condensing boiler EXCLUSIVE GREEN HE CSI DHW tank lower probe DHW tank upper probe Solar collector probe Heat pump HYDRONIC UNIT 4, 6, 8 kW Installation probe for underfloor heating circuit DCW Domestic cold water System diagrams HYBRID SYSTEM FOR THE PRODUCTION OF DHW (SOLAR THERMAL/ BOILER) AND HEATING/COOLING (HEAT PUMP/BOILER)

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-5

Flow/return solar hydraulic group Double coil cylinder IDRA DS This scheme has only an indication purpose Condensing boiler EXCLUSIVE GREEN HE RSI DHW tank lower probe DHW tank upper probe Solar collector probe Heat pump HYDRONIC UNIT 4, 6, 8 kW Installation probe for underfloor heating circuit DCW Domestic cold water System diagrams HYBRID SYSTEM FOR THE PRODUCTION OF DHW (SOLAR THERMAL/ BOILER) AND HEATING/COOLING (HEAT PUMP/BOILER)

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-6

SYSTEM DIAGRAMS Flow/return solar hydraulic group Double coil cylinder IDRA DS Inertial storage tank STOR H This scheme has only an indication purpose Motorized mixing valve for underfloor heating circuit DHW tank lower probe DHW tank upper probe Solar collector probe Heat pump HYDRONIC UNIT 4, 6, 8 kW Installation probe for underfloor heating circuit DCW Domestic cold water System diagrams HYBRID SYSTEM FOR DHW PRODUCTION AND SEPARATE HEATING/COOLING

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-7

This scheme has only an indication purpose Flat collectors SC-VF25 Flow/return solar hydraulic group DHW mixing valve Triple coil cylinder IDRA PLUS DS Control box (SUN B) Inertial storage tank STOR H Condensing boiler EXCLUSIVE GREEN HE RSI Summer/winter switch. The drawing refers to summer setting. Heat pump flow diverter valve buffer tank/boiler Multifunction relay Heat pump HYDRONIC UNIT 4, 6, 8 kW Solar collector probe DHW tank upper probe DHW tank lower probe External probe SI Installation probe for underfloor heating circuit SB Boiler probe T1 Summer thermostat T2 Winter thermostat TA...

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-8

SYSTEM DIAGRAMS This scheme has only an indication purpose Flat collectors SC-VF25 Flow/return solar hydraulic group DHW mixing valve Triple coil hybrid buffer tank HYBRID STOR Control kit for cascade/solar system (MERLIN V4) Heat pump flow motorized diverter valve Return diverter valve high/low temperature installation SYSTEM MANAGER Condensing boiler EXCLUSIVE GREEN HE RSI Fireplace (stove) Heat pump HYDRONIC UNIT 4, 6, 8 kW Solar collector probe DHW tank upper probe DHW tank central/middle probe DHW tank lower probe F5 Installation probe for underfloor heating circuit SE External probe F11...

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-9

This scheme has only an indication purpose Flat collectors SC-VF25 Flow/return solar hydraulic group Heat exchange group - DHW (in cascade), ACS 30 Single coil buffer tank STOR M Control kit for cascade/solar system (MERLIN V4) Return motorized diverter valve low temperature installation Heat pump flow motorized diverter valve Modular condensing boiler POWER PLUS 50 Heat-meters Heat pump in cascade HYDRONIC UNIT 12,15 kW Solar collector probe DHW tank upper probe DHW tank central/middle probe DHW tank lower probe F5 Installation probe for underfloor heating circuit F17 Heat pump return valve...

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-10

SYSTEM DIAGRAMS This scheme has only an indication purpose Flat collectors SC-VF25 Flow/return solar hydraulic group DHW mixing valve Triple coil hybrid buffer tank HYBRID STOR Control kit for cascade/solar system (MERLIN V4) Heat pump flow motorized diverter valve Return diverter valve high/low temperature installation Modular condensing boiler POWER PLUS 50 SYSTEM MANAGER Fireplace (stove) Heat pump in cascade HYDRONIC UNIT 12,15 kW Solar collector probe DHW tank upper probe DHW tank central/middle probe DHW tank lower probe Installation probe for underfloor heating circuit External probe F11...

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-11

This scheme has only an indication purpose Return solar hydraulic group Double coil cylinder IDRA DS DHW tank upper probe Solar collector probe Condensing boiler EXCLUSIVE GREEN HE CSI Solar diverter mixing valve DHW tank lower probe DCW Domestic cold water System diagrams SYSTEM FOR THE PRODUCTION OF DHW AND HEATING with COMBI BOILER

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-12

SYSTEM DIAGRAMS This scheme has only an indication purpose Return/flow solar hydraulic group Double coil cylinder IDRA DS DHW tank upper probe Solar collector probe Condensing boiler EXCLUSIVE GREEN HE RSI DHW tank lower probe DCW Domestic cold water System diagrams SYSTEM FOR THE PRODUCTION OF DHW AND HEATING with TWO CYLINDERS CONNECTED IN PARALLEL

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-13

This scheme has only an indication purpose Flow/return solar hydraulic group Single coil buffer tank STOR M Double coil cylinder IDRA DS Thermostatic mixing valve Buffer tank lower probe Solar collector probe Multifunction relay Return diverter valve low temperature installation Condensing boiler EXCLUSIVE GREEN HE RSI DHW tank lower probe DHW tank upper probe DCW Domestic cold water SC Buffer tank upper probe SB Return probe for underfloor heating circuit System diagrams SYSTEM FOR THE PRODUCTION OF DHW AND HEATING with TWO SOLAR HYDRAULIC GROUPS

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2016 SYSTEM DIAGRAMS BERETTA INTERNATIONAL - EN-14

SYSTEM DIAGRAMS This scheme has only an indication purpose Flat collectors SC-VF25 Flow/return solar hydraulic group Double coil cylinder IDRA DS, n° 1 Double coil cylinder IDRA DS, n° 2 DHW mixing valve Volumetric heat-meter Control kit for cascade/solar system (MERLIN V3) CENTRAL MANAGER F8 DHW tank lower probe F5 Return probe for underfloor heating circuit F9 Buffer tank upper probe TA Room thermostat DHW Domestic hot water DCW Domestic cold water Modular condensing boiler POWER PLUS BOX 100SE Heat-meters Solar collector probe, slope N°1 Solar collector probe, slope N°2 DHW tank lower probe,...

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