Hvac Electrical Symbols Chart Pdf

Basics 4 600 v 1 line.

Hvac electrical symbols chart pdf. Straight duct miter bend miter bend 3 way junction y junction and transition. Basics 5 480 v mcc 1 line. The bend is a curve part in a road river path or racing circuit. 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.

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. Basics 3 4 16 kv bus 1 line. At some location these components are connected to. Circuit diagrams provide the component layout in any circuit.

4 tb1 blk blk red r g y1 c tb2 blk. Hvac control systems also contain switches and other control devices. The main electrical components in hvac equipment are fan motors compressors and devices like gas valves and solenoid valves. In order to represent the various components used in the diagram electrical symbols are used.

Basics 7 4 16 kv 3 line diagram. Some of the symbols used in electrical schematics. Here s a printable electrical symbols chart for your reference when preparing circuit diagrams. The majority of the schematic symbols used by the hvacr industry are standard and easily identified even if they are drawn by different manufacturers.

The y junction generally has 2 arms of equal size. Hvac ductwork symbols the following hvac ductwork symbols show the different ductworks and junctions. All of these are electrical loads. Basics 6 7 2 kv 3 line diagram.