How to wash and maintain the ground source heat pump air conditioner?
Conditioning of the condenser
Condenser maintenance can be divided into mechanical and chemical cleaning and maintenance condenser cleaning and maintenance things are very important, water-cooled unit condenser using shell and tube water-cooled condenser, so should maintain the cooling water quality is superior, cooling water should be regularly held chemical disposal, pipeline washing machine or chemical detergent to ensure that the heat transfer tube is not scaled.
What way to accept the clean condenser, depending on the form of condenser heat transfer tube to determine, if the admission of chemical washing must be average, with clean water rinse must be clean, thorough, do not have residue.
Compressor maintenance
In the usual course of use should pay attention to check the reliability of the adjacent compressor inlet and outlet valves, whether there is leakage; also measured running current cable should be located in the center of the measurement loop. The sound of compressor operation is used to determine whether there is any abnormality. If the unit has not been activated for a long time, the electric heating of the crankcase of the unit should be started first to heat the oil chamber of the unit, so that the Freon in the oil of the unit can evaporate and improve the accurate measurement of the DD resistance DD.
Maintenance of the saving device
When adjusting the saving device, we should pay attention to check and fasten the terminals on the electrical circuit, check the burning situation of each contactor contact and whether the action of each solenoid valve, such as four-way reversing valve solenoid valve, unit filling and unloading solenoid valve, liquid spraying solenoid valve, electric heating, etc. is normal, check the rectification parameters, ensure that the thermal treasure has superior firmness, the wiring is intact, the flow switch is refueled, and the opening and closing action is normal.
Evaporator maintenance
Evaporator maintenance should pay special attention to the winter not to use the time to prevent water freezing caused by evaporator damage, check the chilled water quality and evaporator scaling situation, do a good job of sewage for water, should open the bottom of the evaporator sewage valve to drain the impurities sludge, when needed to remove the sewage ball valve, to increase the sewage port. According to the water color, suspended matter, rust and other circumstances, it is recommended that the user artificial mechanical washing or use chemical washing. After the drainage, refill the water, run for 30 minutes and then check the water quality, if necessary, then work again.
