Some of the symbols used in electrical schematics.
Hvac electrical symbols chart pdf.
At some location these components are connected to.
Electrical abbreviations light fixtures switches panels receptacles and outlets raceways.
Electric potential voltage voltage represented with the symbol e is the pressure behind electron flow.
Basics 7 4 16 kv 3 line diagram.
Hvac control systems also contain switches and other control devices.
All of these are electrical loads.
The majority of the schematic symbols used by the hvacr industry are standard and easily identified even if they are drawn by different manufacturers.
In order to represent the various components used in the diagram electrical symbols are used.
Electrical room ll03 mechanical room ll02 hvac symbols and abbreviations revision.
Along with sym bols an identifying letter or number describing the device is placed in a list either at the bottom or the side of the dia gram.
Basics 2 7 2 kv bus 1 line.
Straight duct miter bend miter bend 3 way junction y junction and transition.
Hvac essentials series electrical fundamentals course ss103 version 2 1 2013 hvac learning solutions page 7 of 73 1 4.
A load is a component in a circuit that converts electricity into light heat or mechanical motion.
Basics 3 4 16 kv bus 1 line.
Basics 4 600 v 1 line.
With the standard electrical symbols in edraw you can create a circuit diagram that shows.
Printable chart of electrical symbols with their meanings.
1140 11 3 27 2012 1230 town hall road erie pennsylvania 16509 ccopyright project no.
Circuit diagrams provide the component layout in any circuit.
The basic electrical symbols are used to simplify the drafting and to help people understand the electrical drawing.
Basics 6 7 2 kv 3 line diagram.
Electrical symbols are standardized throughout the industry so it is easy to achieve the ability to interpret the meaning of the symbols.
The bend is a curve part in a road river path or racing circuit.
Hvac piping temperature control monitoring fire protection system medical steam piping duct symbols plumbing mechanical plumbing symbols and abbreviations abbreviations drawing notations sections and details.
Hvac ductwork symbols the following hvac ductwork symbols show the different ductworks and junctions.
Here s a printable electrical symbols chart for your reference when preparing circuit diagrams.
Basics 5 480 v mcc 1 line.
Power supplies many different supply voltages are used in the hvac r industry ranging from 575 v three phase power supplies to 24 v control circuit voltages power supplies may be indicated by solid lines or by dashed or dotted lines as shown in figure 4.
The main electrical components in hvac equipment are fan motors compressors and devices like gas valves and solenoid valves.
Naturally if there is no pressure there is no reason for electrons to move.
4 tb1 blk blk red r g y1 c tb2 blk.