choice – Project Haystack

def

choice

Choice specifies an exclusive marker selection. See Choices chapter.

meta

supertypes

val

Data value type

    scalar

Scalar is an atomic value kind

        symbol

Symbol to a def

subtypes

ahuZoneDelivery

AHU delivery method of conditioned air to the zone

airVolumeAdjustability

Ability of air handling equip to adjust volume of air flow

atesDesign

Design type of the ATES underground system

chillerMechanism

Primary mechanism of chiller

condenserLoop

Open or closed loop for condenser working fluid

coolingProcess

Processed used to cool a substance

ductConfig

Ductwork configuration

ductDeck

Cold, hot, or neutral deck

ductSection

Equipment section of ductwork

equipFunction

Models one of the primary functions of an equipment type

    conveys

Equipment conveys a substance or phenomenon

    cools

Equipment removes heat from a substance

    dehumidifies

Equipment removes moisture from air to decrease humidity

    heats

Equipment heats a substance

        reheats

Equipment heats a substance previously cooled or heated

    humidifies

Equipment adds moisture to air to increase humidity

    moves

Equipment moves a substance

    produces

Equipment produces a substance or phenomenon

    regulates

Equipment regulates the flow of substance or phenomenon

    stores

Equipment stores a substance or phenomenon

    ventilates

Equipment brings fresh outside air into a space

heatingProcess

Processed used to heat a substance

meterScope

Classifies a meter as a main site meter or submeter

pipeSection

Equipment section of piping

plantLoop

Plant piping loop

pointFunction

Classifies the point as a sensor, command, or setpoint

pointQuantity

Quantity the point senses or controls

pointSubject

What the point senses or controls

vavAirCircuit

How does the VAV pull in air

vavModulation

How does VAV modulate the temp based on duct pressure