VLOG#67 HVAC Package unit, Preventive Maintenance, Coil washing with coil cleaner chemical.
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RTU- Start up, washing coil gamit ang coil cleaner chemical.
![](https://www.processchilleracademy.com/wp-content/uploads/2022/10/1666372455_maxresdefault-1170x650.jpg)
VLOG#67 HVAC Package unit, Preventive Maintenance, Coil washing with coil cleaner chemical.
source