A zone by actuator hydronic radiant system is a method of heating a building by circulating water through a network of pipes embedded in floors, walls, or ceilings. The term "zone by actuator" refers to the use of electronically controlled actuators to regulate the flow of water to different areas (zones) of the building, ensuring precise and localized temperature control.
Components of the System
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Heat Source:(Boiler): This could be either a gas or electric boiler that heas the water used in the system.
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Master Panel: A pump circulates the heated water to the manifold that has Actuators installed.
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Actuators:
These are motorized valves attached to the manifold that control the flow of water to individual zones. Each actuator is paired with a thermostat or controller in its respective zone. When the thermostat calls for heat, the actuator opens to allow water flow; when the desired temperature is reached, it closes.
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Manifolds: The manifold is the distribution hub that splits the hot water from the heat source to different zones. It typically connects the heat source (boiler) to the various zone pumps and pipes. Hydro Smart manifolds include flow meters for monitoring the water flow and balancing valves to ensure proper distribution of heat.
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Pex Tubing: Oxygen barrier tubing is used to distribute the hot water throughout the building. The tubing is embedded in the floors, stapled up in the ceilings or ran to baseboard or radiator heaters.
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Thermostats: Each zone has its own thermostat, allowing occupants to set different temperatures in different parts of the building.
How the System Operates
- The building is divided into zones, typically based on usage patterns, orientation, or occupant preferences (e.g., living rooms, bedrooms, offices).
- Thermostats monitor the temperature in each zone. If heating or cooling is required, the thermostat signals the corresponding actuator to open or close.
- The pump circulates water to the opened zones only, optimizing energy efficiency.
- Heat transfer occurs as the warm or cool water flows through the pipes, radiating heat to (or absorbing heat from) the surrounding area.
