Version 2.6

Term Term Definition Options Unit of Measure
Vapor compression chiller View None
Variable Operated at variable speeds or with modulating unloading View None
Variable Operated at variable speeds or with modulating unloading View None
Variable flow View None
Variable frequency drive Type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage View None
Variable height The premises has variable height due to grade or roof tilt. View None
Variable peak pricing (VPP) - a hybrid of time-of-use and real-time pricing where the different periods for pricing are defined in advance (e.g., on-peak=6 hours for summer weekday afternoon; off-peak = all other hours in the summer months), but the price established for the on-peak period varies by utility and market conditions. View None
Variable refrigerant flow System supporting variable motor speed and thus variable refrigerant flow rather than simply on/off operation. View None
Variable refrigerant flow System using refrigerant as the cooling and heating medium, conditioned by a single outdoor condensing unit, and circulated within the building to multiple fan-coil units. The system supports variable motor speed and thus variable refrigerant flow rather than simply on/off operation. View None
Variable refrigerant flow System using refrigerant as the cooling and heating medium, conditioned by a single outdoor condensing unit, and circulated within the building to multiple fan-coil units. The system supports variable motor speed and thus variable refrigerant flow rather than simply on/off operation. View None
Variable speed View None
Variable volume View None
Variable volume View None
Vault A vault is a chamber used for storage of precious property. View None
VAV terminal box Variable air volume terminal box View None
VAV terminal box fan powered View None
VAV terminal box fan powered Variable-air volume terminal device with fan View None
VAV terminal box fan powered no reheat Variable-air volume terminal device with fan View None
VAV terminal box fan powered no reheat Variable-air volume terminal device with fan with no reheat View None
VAV terminal box fan powered with reheat Variable-air volume terminal device with fan with a reheat coil mounted on the discharge of the unit. View None
VAV terminal box fan powered with reheat Variable-air volume terminal device with fan with a reheat coil mounted on the discharge of the unit. View None
VAV terminal box modulating diffuser View None
VAV terminal box modulating diffuser View None
VAV terminal box not fan powered View None
VAV terminal box not fan powered View None

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