How to clean air source heat pump water heater
Air source heat pump water heater cleaning will help keep the normal work of the air source heat pump water heater, prolong the service life of heater, below is the air energy heat pump water heater cleaning steps of decomposition, non-professional workers do not imitate.
Gloves, masks, air source heat pump water heater descaling cleaning agent
1. Under normal circumstances, the service life of air source heat pump water heater is very long, general life can take up to 15 years, air source water heater repair need professional personnel, so to maintain good air source water heater, good clean air source water heater is the key of the extend the service life of air source water heater.
Air source heat pump water heater cleaning step down:
First of all, on the advice of the experts the basic air source water heater is in use after a year you need to complete clean again, the actual situation according to the local water.
2. A. Before using, manually shut off the power, close the inlet valve and open the water valve, open the relief valve discharge valve counterclockwise 90 degrees, the air source water heater tank in the inland waters or play on their own emissions to moderate.
B. Wear gloves and protective cover, the storage tank to store the right amount of water, and keep the cycle, and turn off the water side valve, drain valve closed.
C. The air source heat pump water heater cleaner YT- 52-1 in accordance with the proportion of 1:5-10 add detergent into the water tank, circulating evenly.
D. Open air source heat pump cycle for 2-3 hours, check the descaling solution PH value (or Ca2 + concentration) when no longer PH change or Ca2 + concentration rises, then add the original add one over ten of the dose, PH or Ca2 + concentration under test, continue to cleaning for 30 minutes, to measure the PH increase or Ca2 + concentration, not "need to continue to scale, if not change the scale has been divided.
E. After completion of descaling, adding suitable amount of acid neutralizer YT- 51-8, and waste liquid of PH adjustment to 7-8, open the drain valve drainage of cleaning liquid.
F. Close the drain valve,open the switch of water supply, into the right amount water, circulating cleaning after half an hour, then emissions, repeat the above process 2-3 times, is clean.