Maintenance; Water Replenishing And Water Drainage For Water Tank; Periodical Clean For The Water Tank - Gree GRS-2.4/D270ANbA-K Manuel D'installation

Air Source Heat Pump Water Heater

9 Maintenance

9.1 Water replenishing and water drainage for water
tank
(1) Water replenishing for water tank
1) Cut off the power for the unit, open the cut-off valve on hot water exit
pipe and the valve at the water using point;
2) Open the cut-off valve on the water inlet pipe for tap water;
3) Cut off the valve at the water using point when there's water flowing out
from that point.
4) When water supply is finished, put through the power.
(2) Water drainage for water tank
1) Cut off the power for the unit and then cut off the cut-off valve on the
tap water inlet pipe;
2) Cut off the cut-off valve on the hot water exit pipe and the valve at the
water using point;
3) Open the cut-off valve at the drain outlet.
4) When the water inside the water tank is drained out, please close the
cut-off valve at the drain outlet.

9.2 Periodical clean for the water tank

In order to ensure the hot water quality, please clean the water tank periodically
by below procedures:
(1) Cut off the power;
(2) Close off the cut-off valve on the inlet pipe of water tank;
(3) Open the cut-off valve on the hot water exit pipe and the valve at the water
using point;
(4) Open the cut-off valve on the drain outlet until the water is drainaged
completely;
(5) Open the cut-off valve on the water inlet pipe of water tank, flush the water
tank until the water drained from the drain outlet is clean, and then close the
cut-off valve on the drain outlet.
(6) Fill the water tank according to water supply operation;
(7) Put through the power when the water is cleaned.
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