Air Conditioner Symbols

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Air Conditioner Symbols
Air Conditioner Symbols

Flexible Duct , Connection Bottom , Wall Mounted Panel Board , Kilowatt
Condenser Water Reverse Return , Tee , Thermostat With 3-speed Switch , Level
Chilled Water Reverse Return , Reducer Eccentric Straight Crown , Normally Closed Contact, Relay-on (low Voltage Or High Voltage) , Linear Slot Diffuser
Common Pipe , Removable Cap End , Normally Opened Contact, Relay-off (low Voltage Or High Voltage) , Fresh Air Register (with Insect Screen)
Condenser Water Return To Cooling Tower , Blind Flange End , Normally Closed Contact, Relay-off (low Voltage Or High Voltage) , Fire Damper
Refrigerant Hot Gas Line , Cleanout Or Plug , Differential Pressure Switch , Inch. Water Gauge
Expansion Line , Lateral , Pressure Transmitter And Controller , Air Cooled Condensing Unit (2=no. Of Floor, 03=no. Of Unit)
Elbow 90, Flange , Normally Opened Contact, Relay-on (low Voltage Or High Voltage) , Packaged Water Cooled Air Conditioning Unit
Long Radius Elbow , Union , Motor , Packaged Air Cooled Air Conditioning Unit
Tee Looking Up , 2-way Electric Motorized Butterfly Valve , Duct Size, First Figure Size Shown, Second Figure Size Not Shown , Variable Speed Drive
Tee Looking Down , Temperature Indicator (for Local Reading) , Duct Section, Positive Pressure, First Figure Is Top Side , Emergency Supply (3=no. Of Floor, 02=no. Of Panelboard)
Elbow 45, Flow Indicator (for Local Reading) , Duct Section, Negative Pressure, First Figure Is Top Side , Built-up Air Handling Unit(3=no. Of Floor, 03=no. Of Unit)
Elbow Looking Up , Port For Flow Measurement , Differential Pressure Transmitter , Fan Coil Unit For Chilled Water (4=no. Of Floor, 03=no. Of Unit)
Elbow Looking Down , Btu Meter , Pressure Transmitter , Transfer Air Register
Refrigerant Liquid Line , Flow Transmitter (for Remote Reading) , Ceiling Mounted Space Thermostat , (2=no. Of Floor, 04=no. Of Unit)
Flow Direction Of Arrow , Temperature Transmitter (for Remote Reading) , Variable Speed Drive Motor , Exhaust Air Louver
Anchor, Main , Pitot Tube Flow Meter , Room Humidistat , Fresh Air Louver
Anchor, Intermediate , Ceiling Diffuser With Volume Damper , Fire Stat , Primary Chilled Water Pump (02 = No. Of Unit)
Chilled Water Supply To Ahu Or Fcu , Chiller (01 = No. Of Unit) , Smoke Detector , Secondary Chilled Water Pump (04 = No. Of Unit)
Drain Pipe , Chilled Water Pump (02 = No. Of Unit) , Timer Relay , Package Filtering Pump (01 = No. Of Unit)
Make-up Water , Air Conditioning Motor Control Center , Voltage Transformer , Supply Air Duct
Chilled Water Return From Ahu Or Fcu , Building , Remote Bulb Thermostat , Exhaust Air Register
Overflow , Degree Celcius , Duct Type Smoke Detector , Fresh Air Grille (with Insect Screen)
Bleed Off , Temperature Indicator And Controller , Disconnecting Switch, Weather Proof Type, By Other (non Fuse Type) , Supply Air Grille
Pipe Slope 1:200 , Automatic Air Vent With Valve , Normally Closed Contact (low Voltage Or High Voltage) , Fan Coil Unit For Direct Expansion
Refrigerant Suction Line , Flow Switch , Main Distribution Board Or Distribution Board , Ventilation Fan (3=no. Of Floor, 02=no. Of Unit)
Condenser Water Supply From Cooling Tower , Water Meter , Disconnecting Switch (non Fuse Type) , Disconnecting Switch, Weather Proof Type (non Fuse Type)
Equalizer , Pressure Relief Valve , Disconnecting Switch By Other (non Fuse Type) , Nearest Drain

Air Conditioner Symbols
Air Conditioner Symbols
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