Frequently Asked Questions

Welcome to the Applied Thermal Control FAQ page. Here, we aim to provide detailed answers to frequently asked questions by our customers, including guidance on selecting the appropriate chiller unit for specific needs, tips for optimal operation, and service enquiries.

If the information you seek is not covered here, please use our site search feature, or contact us directly for further assistance.

Product Selection & Specifications

How do I work out the cooling capacity that I need? How can I specify a chiller? Which power supply option should I choose for my unit? What is the difference between an airblast cooler and a recirculating chiller?

Installation & Operation

Where can I find my serial number? Do I need an engineer to install an ATC chiller? How does the water-cooled fridge system work? How does the refrigeration circuit in a recirculating chiller work? What is PID control? How does ambient temperature affect chiller performance?

Service and Maintenance

How do I clean the condenser on my ATC chiller? What do I need to consider when siting a chiller indoors? What do I need to consider when siting a chiller outdoors? How can I protect my chiller during a shutdown? How often should I service my chiller?

Technical Information

How much will I save by changing to a closed-loop system? How can a recirculating chiller provide heat to an application? What factors affect chiller efficiency and operating costs? What is RS485 Communications Protocol? How do I choose a heat transfer fluid? Should I use water as my heat transfer fluid? Should I use glycol as a heat transfer fluid? Should I use oil as a heat transfer fluid? What is the difference between a header tank and a flow-through tank? What is the difference between heat and temperature? What is Cooling Capacity? What is a primary cooling circuit? How is a plate heat exchanger constructed? What is the difference between Centrifugal and Positive Displacement Pumps? What is a Volt Free Contact?

Distribution and Support

Do you have a local distributor in my country? How quickly can I get a chiller or cooler?

Manuals and Documentation

Where can I get an instruction manual?

Refrigerant Information

What is the refrigerant used in the chiller and how much is used? What do I need to know about R454c? What do I need to know about propane (R290)? What is GWP, and What Does it Mean To Me? How Do I Know if My Current Chiller Is Compliant with New Refrigerant Regulations? Are Flammable Refrigerants Safe?