Stainless steel 5 way manifold for underfloor heating

Product detailed description

Stainless steel manifolds are essential components in underfloor heating and cooling systems in residential and commercial buildings. Installers and system designers use these manifolds to distribute and regulate thermal energy across multiple circuits. The HR1103-5 model is specifically designed for systems requiring five independent circuits, allowing for precise zoning and thermal control. The manifold is suitable for both heating and cooling applications, ensuring flexibility in system design and operation.

Typical installations include residential underfloor heating in living areas, bathrooms and kitchens, as well as commercial applications such as office buildings and retail spaces. The manifold integrates with various pipe types and is compatible with standard underfloor heating components. It is important to ensure that the manifold is correctly sized and connected to maintain system efficiency and prevent hydraulic imbalances.

Technical parameters

Valve material	Pressed brass Ms 58, nickel-plated
Length of manifold without globe valves	345mm
Length of manifold with globe valves	395mm
Fluids	Heating water, cooling water, water mixtures with standard anti-corrosive non-freezing additives
Material	Brass, heat-resistant plastics, stainless steel 1.4301
Maximum working pressure	4 - 6 bar
Maximum allowable operating temperature	+ 80 °C
Maximum allowable operating pressure	6 bar
Maximum test pressure	10 bar
Recommended pipe	PEX-AL-PEX 16 x 2
Recommended connections	Crimp connections on ALPEX 16 x 2 ALU-EK pipe
Recommended boxes	Boxes for manifolds
Flat gasket	WS 3825
Number of circuits	Five
Measurement accuracy	+/- 10 %
Flow rate	1.12 m³/h
Flow meters	Dual-regulation with locking possibility
Branch connections	Ek, Euroconus
Inlet and outlet connections	1"
Permissible fluid temperatures	- 10 °C to 120 °C
Measurement range	0-5 l/min
Sealing	EPDM
Application	Heating and cooling systems
Thread	DIN ISO EN 228-1
Sound insulation	DIN 4109
Country of origin	Germany
Code	HR1103-5
Brand	AVANSA

The technical parameters of the HR1103-5 manifold are critical for proper system sizing and component selection. The maximum operating pressure of 6 bar and temperature range of -10 °C to 120 °C determine the conditions under which the manifold can be safely used. The recommended pipe type (PEX-AL-PEX 16 x 2) and connection method (Euroconus) ensure compatibility with standard underfloor heating systems. The flow rate of 1.12 m³/h and measurement range of 0-5 l/min help in selecting the appropriate pump and balancing the system.

Installation and connection

Installation of the HR1103-5 manifold requires careful planning and adherence to technical specifications. The manifold should be mounted in a location that allows for easy access to all circuits for maintenance and adjustments. The inlet and outlet connections are 1 inch, and the branch connections use Euroconus fittings. The recommended connection method for the PEX-AL-PEX 16 x 2 pipe is crimping with 3/4 inch Euroconus fittings. It is essential to ensure that all connections are secure and leak-free, and that the manifold is properly aligned with the floor or wall mounting surface.

Common installation mistakes include incorrect pipe sizing, improper crimping of connections and failure to align the manifold correctly. These errors can lead to leaks, reduced system efficiency and potential damage to the manifold. It is also important to install the manifold in a location that is not subject to extreme temperature fluctuations or physical damage. After installation, the system should be pressure tested to 10 bar to verify the integrity of all connections.

Compatibility and accessories

The HR1103-5 manifold is compatible with a range of underfloor heating components, including PEX-AL-PEX 16 x 2 piping and Euroconus fittings. It is recommended to use the specified crimping method for connecting the piping to the manifold. Accessories such as manifolds boxes should be ordered separately to provide protection and a clean installation. For systems requiring fewer circuits, the Stainless steel 4 way manifold for underfloor heating is an alternative option.

When designing the system, it is important to consider the flow rate and pressure requirements of each circuit. The manifold's flow meters and thermostatic valves allow for individual circuit control, ensuring even heat distribution. It is also important to ensure that the system is properly balanced to prevent overloading any single circuit. The manifold's EPDM seals and stainless steel construction ensure long-term durability and resistance to corrosion.

Technical background for designers

The HR1103-5 manifold operates by distributing and regulating the flow of heated or cooled water across five independent circuits. The flow meters allow for precise control of the flow rate in each circuit, ensuring even heat distribution. The thermostatic valves enable individual circuit regulation, allowing for zoned temperature control.

The manifold's design ensures that it can be integrated into a wide range of underfloor heating and cooling systems. The use of Euroconus connections ensures compatibility with standard piping systems, while the EPDM seals provide a reliable and long-lasting seal. The manifold's operating temperature range and pressure rating make it suitable for a wide range of applications, from residential to commercial. The choice of materials and construction methods ensures that the manifold can withstand the demands of continuous operation in thermal systems.

Service and operation

Regular maintenance of the HR1103-5 manifold is essential to ensure optimal performance and longevity. The manifold is equipped with automatic air vents and drain valves, which should be checked periodically for proper operation. The flow meters should be inspected for accuracy and cleaned if necessary. The thermostatic valves should be tested to ensure that they are functioning correctly and providing the desired level of control.

During operation, it is important to monitor the system for any signs of imbalance or inefficiency. This can be done by checking the flow rates in each circuit and adjusting the thermostatic valves as needed. The manifold should also be inspected for leaks or damage, particularly at the connections. If any issues are detected, the system should be shut down and the affected components inspected and repaired. Proper maintenance and regular inspections will help to ensure that the manifold continues to operate efficiently and reliably over its service life.

Frequently asked questions

Can the HR1103-5 manifold be used with PEX-AL-PEX 16 x 2 piping?
Yes, the manifold is specifically recommended for use with PEX-AL-PEX 16 x 2 piping, which is commonly used in underfloor heating systems.

What type of connections are used for the branch circuits?
The branch circuits use Euroconus connections, which provide a secure and leak-free connection to the piping.

Is the manifold suitable for both heating and cooling applications?
Yes, the manifold is designed for use in both heating and cooling systems, with a temperature range of -10 °C to 120 °C.

What is the maximum operating pressure for the HR1103-5 manifold?
The maximum operating pressure is 6 bar, which is suitable for most underfloor heating and cooling systems.