Gree GRS-1.5/D150ANbA-K, Руководство по обслуживанию, Страница: 63 / 81

GREE AIR SOURCE HEAT PUMP WATER HEATER SERVICE MANUAL
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3.2.2 Disassembly of Key Components of the Water Tank
(1) Procedure for replacing the water tank temperature sensor
1) Screw off threading coil of the temperature sensor.
2) Remove the temperature sensor cover.
3) Take out the heat insulation sponge of the temperature sensor.
4) Remove the nut and mat on the peg clamp of the temperature sensor.
5) Take out the temperature sensor and the peg clamp.
6) Take out the temperature sensor in PCB, then replacing the same temperature sensor .
7) Install all parts of the temperature sensor in order, then tidy up the temperature sensor line.
(2) Procedure for replacing the Mg-stick
To improve durability of the water tank, a Mg-stick is installed inside the water tank. Generally, the
Mg-stick has a lifespan of two to three years. The procedure for replacing the Mg-stick is as follows:
1) Discharge all water in the water tank.
2) Open the upper cover and insulation sponge above the Mg-stick.
3) Unscrew the Mg-stick using an hex key and take it out carefully to prevent Mg-stick slags from
dropping into the water tank.
4) Install the new Mg-stick and screw it with an hex key.
5) Place the upper cover to the original position and fill the water tank with water.
Magnesium
rod
component
Allen
wrench
Cover
Replacing the Mg-stick