Reference sheets, for the wall by the bay.
Printable reference posters covering the components, types and materials found in automotive air-conditioning systems. Free to view and download.
- To view and download
- Free
- Written for the floor
- Workshop
Made to be printed
Each sheet sets out one part of the system: what the types are, how they differ, and what that means when one is in front of you. They are reference material for the workshop floor rather than a specification, and they do not replace the vehicle manufacturer’s service information.
Open one to read it full size, or download it to print. Use them freely in your own workshop and training rooms.
The sheets
Open a sheet to read it full size. The download is the original file, at full resolution.
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Automotive A/C System Components
Every major component in a vehicle A/C circuit, with what each one does and why it is there.
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A/C Compressor Types
Scroll, rotary vane, piston and the variable-displacement types, with the key features of each.
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A/C Condenser Types
Serpentine, micro channel, macro channel and water cooled, with refrigerant flow through each.
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A/C Evaporator Types
Plate and fin through to micro-channel, plus the internal heat exchanger and what it adds.
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A/C Expansion Valve Types
Orifice tube, thermostatic, block and electronic valves, with the refrigerant flow colour code.
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O-Rings for Automotive Refrigerants
Which seal material suits which refrigerant, with temperature ranges and compatibility.
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A/C Receiver Drier Components
Receiver driers, accumulators and desiccants, and the job each does protecting the system.
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Using these sheets
Can I print these and put them up in my workshop?
Yes. That is what they are for. Print them, hang them by the bay, hand them out in training. We only ask that you leave them as they are rather than rebranding them.
What size do they print at?
A4 is the size to aim for. These are screen-resolution files, so they read well on a wall at A4 and start to soften above it. If you want one at A3 or larger, ask us and we will send a print-ready version of that sheet.
Will there be more?
Yes. Sheets are added as they are produced. Tell us which part of the system you would find most useful and it will go on the list.
What support comes with a machine?
Technical support from people who use this equipment, plus service, calibration and repair. Ask us what cover applies in your market.
Need the equipment to go with them?
Service machines, analysers and adapters for the systems on these sheets.