Hvac Electrical Symbols Chart

If you would like to troubleshoot the system which is not functioning well getting a manual and the circuit diagram of the system is necessary.

Hvac electrical symbols chart. Some of the symbols used in electrical schematics. The y junction generally has 2 arms of equal size. Straight duct miter bend miter bend 3 way junction y junction and transition. At some location these components are connected to.

Basics 3 4 16 kv bus 1 line. With the standard electrical symbols in edraw you can create a circuit diagram that shows. Basics 7 4 16 kv 3 line diagram. Basics 5 480 v mcc 1 line.

Hvac ductwork symbols the following hvac ductwork symbols show the different ductworks and junctions. The majority of the schematic symbols used by the hvacr industry are standard and easily identified even if they are drawn by different manufacturers. Learn hvac electrical symbols wiring diagram with free interactive flashcards. The basic electrical symbols are used to simplify the drafting and to help people understand the electrical drawing.

Hvac essentials series electrical fundamentals course ss103 version 2 1 2013 hvac learning solutions page 7 of 73 1 4. Hvac control systems also contain switches and other control devices. Here s a printable electrical symbols chart for your reference when preparing circuit diagrams. The bend is a curve part in a road river path or racing circuit.

A load is a component in a circuit that converts electricity into light heat or mechanical motion. Printable chart of electrical symbols with their meanings. Basics 6 7 2 kv 3 line diagram. All of these are electrical loads.

Basics 4 600 v 1 line. In order to represent the various components used in the diagram electrical symbols are used. 4 tb1 blk blk red r g y1 c tb2 blk. 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.

Circuit diagrams provide the component layout in any circuit. Naturally if there is no pressure there is no reason for electrons to move. Electric potential voltage voltage represented with the symbol e is the pressure behind electron flow. The main electrical components in hvac equipment are fan motors compressors and devices like gas valves and solenoid valves.

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. Electrical symbols are standardized throughout the industry so it is easy to achieve the ability to interpret the meaning of the symbols.