HVAC
Applications
HVAC systems regulate the heating and cooling units in a building to provide the highest levels of comfort. The conditions are controlled by several applications which all use AC drives. Here are some of the main HVAC-related applications:
Heating
- Boiler forced and induced draft fans
- Primary hot water pumps
- Fan coils
- Heat recovery systems
Ventilation
- Air handling units, rooftop units, supply and extract fans
- Variable/constant air volume ventilation systems
- Smoke ventilation, fire control and stairway ventilation systems
- Car park ventilation systems
- Kitchen ventilation systems
Cooling
- Chilled water pumping systems
- Primary/secondary pumps
- Variable flow with primary pumps only
- Fan coils
- Heat recovery systems
- Cooling tower fans, Condenser water pumps
- Chiller compressor
Fresh Water
- Booster pumps
- Single or parallel pumps
Water and Wastewater
Fresh, clean and well-treated water is a basic element of civilization; vital for agriculture and important for industries. As the world’s most water-focused AC drive company, we have a thorough understanding of all water-based applications and processes. We provide you with AC-drive solutions that improve process control, water quality and asset protection, reduce energy and maintenance costs, ensure higher reliability and performance from your plant, and increase the sustainability of water usage.
Water management doesn’t have to be highly energy consuming
Typically, water and wastewater treatment processes account for 25–40% of a municipality’s electricity bill and are the equivalent of 8% of global electricity consumption. Water and wastewater facilities are therefore normally the single-largest electricity consumer for a municipality With extensive use of AC drives, energy-efficient components and real-life online process control combined with energy production based on the methane from a wastewater plant’s digester, the first full-scale facilities are now in operation on a completely energy-neutral basis. This is obtained without adding external carbon. The energy neutrality covers the whole water cycle, from water production and distribution to wastewater pumping and treatment.
Reduced Leakage And Energy Consumption Go Hand In Hand
The energy used in the water distribution system typically represents 60–80% of the total energy consumption for the whole water supply system. By adapting the pressure to the real need using pressure zones and boosting pumping stations, energy savings of 25–40% can be achieved. At the same time, water leakage can be reduced by 30–40%.
Regulating The Pressure In The Network Can Also Provide The Following Benefits:
- a40–55 % reduction in the amount of new pipe breaks
- a reduction in maintenance costs and expensive pipe and road repair
- limited risk of bacteria and contamination of tap water (infiltration)
- extended service life of the network
- postponed investment in plant upgrades
- reduced risk of water hammer
