Video Library
See APR Control and APR‑E Valve in action
Short, practical videos for the people who spec, install, and run the equipment: product overviews, sizing walk-throughs, install and service, and the humidity and reliability problems the APR Control solves. Grouped by topic so you can jump straight to what you need.
Straight from the Rawal Devices YouTube channel. Click any tile to open the video.
Start here: what it is & why
What Is the APR Control?
A short overview of what the APR Control does and why oversized DX needs it.
Why Every DX System Is Oversized
Why DX equipment is oversized most of the time, and how modulation fixes the common challenges that follow.
Overcome Thermostat Limitations
Why a thermostat alone can't fix comfort and humidity, and how the APR Control can.
APR Control R-454B Demo
The APR Control running on R-454B (A2L) refrigerant.
Humidity & reliability
Understanding High Humidity in DX Systems
Why oversized DX leaves humidity high, and how longer run-time brings it down.
HVAC Nightmares That Shorten Equipment Life
The short-cycling failures that cut compressor life short.
Avoid Costly Compressor Failure
How continuous modulation protects the compressor from cycling wear.
Avoid Emergency Service Calls: Stop Frozen Coils
Stop the evaporator freeze-ups that trigger emergency service calls.
Why Evaporator Freezing Happens, and the Fix
What causes coil freezing and how the APR Control prevents it.
Sizing, install & service
Why We Size Every APR Control
Why every APR Control is sized to the system for correct oil entrainment.
Sizing for Split Systems (CUs)
How to size the APR Control for split-system condensing units.
Sizing for Packaged Systems (RTUs)
How to size the APR Control for packaged rooftop units.
How to Install the APR Control
The full three-connection install on a DX system, start to finish.
How to Adjust the APR Control
Setpoint adjustment walk-through for the APR Control.
Want a walk-through for your equipment?
Book time with a Rawal Devices Engineer, or catch the free live pre-installation webinar three mornings a week.
[email protected] · 800‑727‑6447 · rawal.com