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AIR SOURCE HEAT PUMP WATER HEATER
EN
9.3 Replacement of magnesium rod
As for ensuring the service life of water tank, magnesium rod is installed inside the water tank. In
general, the service life for the magnesium rod is 2-3 years. If the water quality for the hot water is
bad, the service life for the magnesium rod will be shortened. The process for replacing the mag
-
nesium rod is as below:
1. Drain out the water inside the water tank completely before disassembly.
2. Open the protection cover at the installation outlet of the magnesium rod of water tank.
3. Twist off the magnesium rod with inner hexagon, and then take it out carefully to prevent
sullage of magnesium rod dropping into the inner pot of water tank.
4. Install the new magnesium rod and then fix it with inner hexagon wrench.
5. Close the protection cover and then fill the water tank with water according to water supply
operation.
Fig. 9-1 Sketch map for the replacement operation for the magnesium rod
Notice:
The replacement for the magnesium rod must be conducted by the professional person. Do not
replace it by yourself. Please contact KAISAI appointed local dealer or appointed service center.
9.4 Maintenance for the unit
1. Please check the air inlet and the air outlet for the main unit periodically to see whether
there are blocked.
2. Please check the user side waterway, pipe joint and valve periodically to see whether there
are damaged or blocked; check whether the joint is leaking and whether the strainer is blocked.