15
Ratio of soft water with
antifreezing liquid
1500cc
1000cc
500cc
Antifreezing liquid
500cc
Water 1000cc
17. Open the water heater cover again and
then remove the water heater tank.
18. Again, move waste water in the hot-water
tank to a polyethylene tank.
• When moving water, take care not to
spill it. If spilled, be sure to wipe it off.
• Discard the waste water from the hot-
water tank according to the local
regulations of the area this unit is
used.
19. Wash the hot-water tank.
• If neutral detergent is used for wash-
ing the tank, sufficiently rinse the tank
with water.
20. Supply soft water and antifreezing liquid
in the water heater tank.
Supply 500 cc of antifreezing liquid, followed by
1000 cc of soft water.
• The optimum volume of soft water is
1000 cc. Do not supply excessive
water, or water leakage may occur
when closing the water heater cover.
21. Return the hot-water tank to its original
position, lock the catch clips and close the
cover.
