Frequently Asked Questions about the APR

Welcome to the FAQ section of Rawal Devices. Below you will find answers to common questions about our APR, application, installation, troubleshooting and more. If there is something you need to know that you can't find here, please contact us and we will be glad to assist you!

Most Popular FAQ's

Application (View all)

How does the APR Control work?
I have a humidity issue what do I do?
The air conditioning system is Short Cycling – how can the APR help?

Selection (View all)

Why is selection so important?
How are the APR Controls classified?
What is the meaning of the model number on an APR Control?

Installation (View all)

Are there additional materials needed to install the control?
Do I need to mount the control?
Is the APR Control sensitive to how it is positioned?

Start-up Procedures & Adjustment (View all)

I have installed the APR Control; now what are the steps I need to take after evacuating the system?
Will I need to adjust the APR Control?
Is there any adjustment required for the desuperheating injection valve?

Troubleshooting (View all)

The AC unit is not operating correctly, how do I troubleshoot with an APR in the system?
Will I need to adjust the APR Control?
APR Control appears to be bypassing all of the time?


See why the APR Control meets GREEN PRODUCT qualifications
See why the
APR Control meets
GREEN PRODUCT
qualifications.
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