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Energy performance of buildings - Schedule and condition of building, zone and space usage for energy calculation - Part 2: Residential buildings
ISO 18523-2:2018 specifies the formats to present the schedule and conditions of zone and space usage (referred to as input data of energy calculations) for residential buildings.
The schedule and conditions include:
The schedule and conditions for lighting are applicable to fixed installed lighting fixtures.
ISO 18523-2:2018 also gives categories of residential building, zone, and space according to differentiating schedule and condition. For residential buildings or its housing units which contain any category of space or zone of non-residential buildings, ISO 18523‑1 applies.
Depending on the necessary minuteness of the energy calculation, different levels of schedule and condition from the viewpoint of time and space averaging are specified.
The values and categories for the schedule and condition are included informatively.
NOTE: The schedule and condition in this document is basically different from assumptions in order to determine the size of technical building systems in the process of design, where possible largest or smallest values are assumed. Instead, most usual and average values, which are assumed for the building energy calculation, are dealt with in this document.
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