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39 Cards in this Set
- Front
- Back
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HVAC
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Heating Ventilations and Air Conditioning
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BTU
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British Thermal Units
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Ton of Cooling
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The amt of heat required to melt 1 ton of ice over a 24 hour period
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CFM
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Cubic feet per meter
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GPM
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Gallons per minute
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CH/RM
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Chiller or refrigeration machine
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CW
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Condenser water
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CHW
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Chilled Water
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HW
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Hot Water Distribution System
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LPS
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Low Pressure Steam operates at 15 psi or below
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MPS
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Medium pressure steam operates from 15 psi-50 psi
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HPS
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High pressure steam operates over 50 psi
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AHU
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Air handing unit with chilled water
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SCAC
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Self contained air conditioning unit; DX system
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CRAC
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Computer room ac unit
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TRAC
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Technology room ac unit
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DX
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Direct Expansion
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HP
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Heat Pump air conditioner
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VAV
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Variable air volume
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FPB
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fan powered box
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VFD
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Variable frequency drive; electric motor speed controller
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FLD/FD
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Fusable link damper. Standard fire damper
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FSM/FSD
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Fire smoke damper. Combination damper with fusable link or heat sensor, and an opposed blade damper activated by teh fire alarm system
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ALD
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Automatic louver damper
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OBD
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Opposed Blade damper
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VD
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Volume Damper
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HX
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Heat exchanger
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PFHX
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Plate frame heat exchanger
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UH
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Unit heater
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CH
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Cabinet heater
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SF
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Supply air fan
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RF
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return air fan
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ef
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exhaust fan
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SA
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Supply air
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RA
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Return air
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AD
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Access door
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WMS
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Wire mesh screen
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FCU
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Fan coil unit
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PTAC
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Package terminal air conditioner (through the wall unit)
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