. The functioning of heat pumps is pretty much the same as that of refrigerators or air conditioners. Absorbing heat by liquid takes place – the liquid being turned into gas, and then heat is released when liquid state is retained.
Removing heat from houses and vents, a heat pump works as air conditioner during summer months. Reversing the process employed during the summer, the pump absorbs cold air from outside the house, and releases that inside.
If the temperature outside is lower than 45 degrees, efficiency of heat pumps drops. If the outside temperature is truly low, auxilery electric heaters are to be used, which tend to be expensive when operated.
Hence, heat pumps are very practical in warm climates, efficient in places where air conditioners are not mandatory, and pretty impractical if the area’s temperature is below freezing point.
Leading to costly compressor problems when small issues are neglected, heat pumps can be very technical to take care of. Having the filter clean, as well as removing obstacles for good air flow is your part of the job, but in case the pump malfunctions, calling a technician is your best bet.
Heat Pump Outdoor Maintenance
Tasks such as replacing the filters and lubricating as well as cleaning the parts of the heat pump are important. Moreover, the outdoor unit containing compressor, fan, coil etc. must not have dirt or leaves either for proper functioning.
Before trying to do any kind of cleaning, you should disconnect the pump from main power. Dirt, leaves, and pine needles are to be cleaned by detaching the grille. For cleaning the bottom and sides of the unit, vacuum hose can be inserted at times between two fan blades.
When heating season begins, setting carpenter’s level across the metal cabinet top, and checking the level from back to front, and side to side can help a lot. If you find that the unit is not level on the pad, be sure to lift the pad in order to level it by prying it up by using a 2-by-4 piece, or pry bar. Build the underneath ground with crushed rocks or stones. Moreover, detect if there is any deterioration in the insulation of the piping, and replace the same if required.
Tackling Power Interruptions
In case blown fuse, utility power failure, or tripped circuit break occurs, and the pump gets off for longer than one hour, it is best to not operate the heat pump for the next six or eight hours, particularly if the ongoing temperature is below 50 degrees.
The lubricant inside the oil reservoir of the pump may be really cool, and not circulate in a proper way, which can result in valve damages. Hence, setting the heat pump on emergency heat and turning it off to prevent running it is a good idea. The pump should be kept like this for about seven or eight hours, and then switching it to the normal settings should work. If the generation of heat is too low after this episode, be sure to call a technician for proper repair.