Resources

In any controlled environment avoid equipment off-cycles so you don’t “lose the room!” Maintaining tight temperature and humidity levels in controlled environments such as cleanrooms is critical to prevent material damage, production loss, and shutdowns. Installing the Rawal Devices’ APR Control can be the perfect, cost-effective solution to avoid any interruptions in production as a result of the failure to maintain quality. Read More

Installing the APR Control is straight-forward and doesn’t take a lot of guesswork from the technician. It is common for HVAC technicians who are unfamiliar with the APR Control to be intimidated by the installation process. Read More

Mechanical HVAC systems can be the greatest limiting factor or the greatest opportunity to maximize productivity and profits in the indoor Cannabis Cultivation Industry. Those involved in cannabis HVAC system design, service, and operations are realizing that undersized or oversized systems from inaccurate load calculations for a given room lead to major challenges. Read More

Diagnosing what’s wrong with your customer’s air conditioning unit can be a daunting task which can take up a lot of your time and potentially deplete your warranty reserve. One of the most overlooked issues is having too much cooling capacity. If you’re experiencing some of the issues below, we have a solution for you and your customers! Read More

Have you recently had issues with extensive lead times on hot gas reheat (HGRH) units to the point where it will delay your project? If your answer is yes, we can assure you that you’re not alone! We have a solution for you; the readily available APR Control is considered an excellent solution to Hot Gas Reheat that won’t extend the project timeline. Read More

It is no secret that a system with the ability to modulate capacity can provide better reliability and fewer operating problems. Without modulation capabilities an oversized system is likely to cause unnecessary stresses on the systems compressor and other vital components. Read More

The APR Control provides continuous capacity modulation on direct expansion air conditioning and refrigeration systems. Contractors, Distributors, and Engineers referred to the APR Control as hot gas bypass because it was the easiest way to remember and explain application use. However, the APR Control is NOT hot gas bypass! Read More

One of the biggest contributing factors to high humidity is the lack of compressor run-time, commonly known as short cycling. This is often a result of a system being oversized, providing too much cooling capacity for a space, and satisfying the thermostat too quickly. Read More

In HVAC Service, callbacks and warranty issues are an enormous problem and headache for HVACR contractors and service technicians. With the addition of the APR Control, you can eliminate callbacks on new equipment and improve performance of older/in-place equipment, saving you (and your customer) both time and money! Read More