Energiespeicher-Fan-Coil-Funktion
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ASHRAE RP-1741, Understanding Fan Coil Components and How They Relate to Energy Consumption and Energy Modeling, benchmarks the energy savings of modulation
How to reduce fan coil power consumption?
The strategy optimises the fan speed to reduce the fan coil power consumption. The strategy is compared to fixed speed and benchmark fan speed control strategies. Average energy savings up to 34% are achieved. Fan coil units are widely used in air-conditioning systems for heating and cooling of commercial buildings.
What is a fan coil & how does it work?
Average energy savings up to 34% are achieved. Fan coil units are widely used in air-conditioning systems for heating and cooling of commercial buildings. Control - capable of achieving better operational efficiencies and at the same time, guarantying thermal comfort - is paramount in order to achieve optimal operation.
What is a standard fan coil control?
Air flow rate control: Standard fan coil control prescribes that fan speed should be set manually in each zone in order to ensure occupant comfort, as personal control of air flow is usually desired, and to reduce excessive changes in fan speed in order to avoid noise issues or other user considerations.
What is total fan coil power?
The total fan coil power is equal to the sum of the pump power and fan power for one coil. The total fan coil power resulting from each strategy is shown in Fig. 8a, for increasing supplied fan coil capacities, and in Fig. 8b, for decreasing capacities.
How do you control a multi-speed fan coil unit?
For multi-speed fan coil units, fan speed can be controlled using room temperature bandwidth, where the fan speed is increased when the current setting is unable to maintain the room temperature at the specified set-point . Water temperature and flow control: Water temperature set-point influences both the heat pump and FCU performance.
What is a generalised control strategy for fan coils?
The present paper describes a novel generalised control strategy for fan coils units requiring only minimal input data, which is aimed at minimising power consumption while maintaining the operation within the zone temperature set-points and bandwidth. The key contribution of the proposed approach is twofold: