
Repair · 30 tons AC heat pump water source
Indian Wells, CA 92210
A Hotel client of ours called us in for a major repair and performance issue on a large 100% outside-air HVAC system built to condition some of the toughest desert air imaginable. We replaced a failed compressor VFD and installed a new like-for-like PENN System 450 pressure controller. Instead of simply swapping parts, we documented the original programming, duplicated every control parameter, verified the new VFD’s motor data and 0–10V control strategy, and commissioned Compressor #1 at a…
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