Version 2.6

Term	Term Definition	Options	Unit of Measure
Operation Events Per Year	Number of operation events that take place in a year.	View	count
Operational Control Actor	The actor who has authority to introduce and implement any or all operating and/or environmental policies and measures	View	None
Operational data visualization	Visualize and plot time series operational data and control setpoints (e.g., temperature, pressure, flowrate).	View	None
Operational Mode	The equipment state of connection to a power source for use, and providing one or more primary functions.	View	None
Operator	Contact information for the operator of the premises. The operator is in charge of managing the energy use of the building, such as operating schedules, thermostat setpoints, etc.	View	None
Optical disc player	A function by which a device can read and/or write data to removable disk media (e.g., CD, DVD, Blu-ray Disc).	View	None
Optical network termination device	A type of device that converts signals between copper (wired) or wireless connections and an optical fiber connection. ONTs are available in either desktop or building-mounted versions with different connectivity options.	View	None
Option A	Option (A) Retrofit Isolation: Key Parameter Measurement -- Savings are determined by field measurement of the key performance parameter(s) which define the energy use of the energy conservation measure (ECM) affected system(s) and/or the success of the project. Parameters not selected for field measurement are estimated. Estimates can be based on historical data, manufacturerÕs specifications, or engineering judgment. Documentation of the source or justification of the estimated parameter is required.	View	None
Option B	Option (B) Retrofit Isolation: All Parameter Measurement -- Savings are determined by field measurement of all key performance parameters which define the energy use of the ECM-affected system.	View	None
Option C	Option (C) Whole Facility -- Savings are determined by measuring energy use at the whole facility or sub-facility level. This approach is likely to require a regression analysis or similar to account for independent variables such as outdoor air temperature, for example.	View	None
Option D	Option (D) Calibrated Simulation -- Savings are determined through simulation of the energy use of the whole facility, or of a sub-facility. Simulation routines are demonstrated to adequately model actual energy performance measured in the facility. This Option usually requires considerable skill in calibrated simulation.	View	None
Optional	This field is optional in the software tool the data is coming from, or is it optional by the software that is requesting the data	View	None
OR	Oregon	View	None
OR	Oregon	View	None
Orchard	Commonly used street suffix or abbreviations: Orch, Orchrd	View	None
Orchard	Commonly used street suffix or abbreviations: Orch, Orchrd	View	None
Orientation	Generic orientation options	View	None
Origin	What is the origin of the data value?	View	None
Original	Start of loan	View	None
Origination Channel	The original point of contact for a loan borrower.	View	None
Originator	Institution with primary responsibility for processing a loan application.	View	None
Other	Other	View	None
Other	Other	View	None
Other	Other	View	None
Other	Other	View	None

Version 2.6

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