Hvac Electrical Symbols Chart Pdf

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.

Hvac electrical symbols chart pdf. Hvac essentials series electrical fundamentals course ss103 version 2 1 2013 hvac learning solutions page 7 of 73 1 4. Here s a printable electrical symbols chart for your reference when preparing circuit diagrams. The basic electrical symbols are used to simplify the drafting and to help people understand the electrical drawing. The majority of the schematic symbols used by the hvacr industry are standard and easily identified even if they are drawn by different manufacturers.

Basics 6 7 2 kv 3 line diagram. Circuit diagrams provide the component layout in any circuit. Electric potential voltage voltage represented with the symbol e is the pressure behind electron flow. Electrical symbols are standardized throughout the industry so it is easy to achieve the ability to interpret the meaning of the symbols.

4 tb1 blk blk red r g y1 c tb2 blk. The main electrical components in hvac equipment are fan motors compressors and devices like gas valves and solenoid valves. Basics 5 480 v mcc 1 line. Printable chart of electrical symbols with their meanings.

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. Electrical room ll03 mechanical room ll02 hvac symbols and abbreviations revision. Basics 2 7 2 kv bus 1 line. North first floor plan mechanical demolition.

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. Basics 4 600 v 1 line. 1140 11 3 27 2012 1230 town hall road erie pennsylvania 16509 ccopyright project no. A load is a component in a circuit that converts electricity into light heat or mechanical motion.

Hvac ductwork symbols the following hvac ductwork symbols show the different ductworks and junctions. Electrical abbreviations light fixtures switches panels receptacles and outlets raceways. Straight duct miter bend miter bend 3 way junction y junction and transition. Some of the symbols used in electrical schematics.

Basics 3 4 16 kv bus 1 line. All of these are electrical loads. Hvac control systems also contain switches and other control devices. In order to represent the various components used in the diagram electrical symbols are used.

At some location these components are connected to. The bend is a curve part in a road river path or racing circuit. Buehler associates inc. Basics 7 4 16 kv 3 line diagram.