Notes
Pinching of a line is a practice that can be used in cases of emergency. Several service technicians follow this practice in vain. It only leads to trouble in the future. Almost all systems are quite valves for their service. However, pinching the lines used to service sealed units, up soldering dead end, is common practice. Remember, adding refrigerant in the system, part of oil will be dissolved in the coolant. If the unit gets noisy soon after refrigerant added refrigerant oil should be added.
When heated while in the system, dehumidifiers will release water into the system. (This can happen due to lack of refrigerant) Set a new land, if the moisture indicator signals humidity.
Crankshaft seal may leak if the compressor is in standby mode for a long time. Turn on the compressor more from the hands several times. This allows the oil to seep between the friction of metal surfaces. Also, put ounce special refrigerant detergent oil in the crankcase. This will help resolve this problem...
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Industrial