Basic Refrigeration Wiring Diagram


Basic Refrigeration Wiring Diagram - lets add a basic control system to a refrigeration system first we need to know what loads there are to be controlled the image on the left shows a small split system for a walk in cooler with 3 electrical devices a pressor condenser fan motor and evaporator fan motor types of wiring diagrams there are three basic types of wiring diagrams used in the hvacr industry today the first and most mon is the ladder diagram from this point forward ladder diagrams will be referred to as schematic diagrams or schematics a typical schematic of a packaged air conditioner is shown in figure 1 basic thermostat wiring colors air conditioner systems always remember when changing a thermostat for a new thermostat to take a photo of the colors and where they go on the old thermostat or get a pencil and paper and write it down it is better to take a good up close photo of the old thermostat and what terminals.
the colored wiring are terminated the metering device ponent 3 on this air conditioning circuit and cycle diagram is the dividing point between the high pressure and low pressure sides of the system and is designed to maintain a specific rate of flow of refrigerant into the low side of the system the metering device ponent 3 on this refrigeration cycle diagram is the dividing point between the high pressure and low pressure sides of the system and is designed to maintain a specific rate of flow of refrigerant into the low side of the system there are three basic types of wiring diagrams used in the hvac r industry today which are the ladder diagram the line diagram the installation diagram 3 1 the ladder diagram it is the most mon type of wiring diagrams it is called ladder because the symbols that are used to represent the ponents in the system have been placed on

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