Magnit GWH-014 [8/22] Страница 8

■ Repair and Maintenance

l Water heater shall be checked by professional personnel for every 6~12 months,

contents for check are:

1 Sealing of fuel gas route system; sealing of water route system;

2 Clean filtration net on water admitting orifice to avoid blockage;

3 Functions of all operation parts;

4 Flame of combustion;

5 Carbon accumulation of heat exchanger;

6 Air admitting and release system in room where water heater is installed.

7 Gas decompressor

l Items checked and maintained by professional personnel:

1 The flexibility of water and gas linkage;

2 Clean carbon accumulation on buckling piece of heat exchanger;

3 Grease gas valve and its core;

4 Carbon accumulation and oxidation coat on ignition and induction needles.

l Maintenance of water heater by user

1 Get rid of accumulated dirt and dust on shell of water heater by cloth constantly. Do not

use chemical or volatile scour that may change shell's color.

2 Clean accumulated dusts and carbon inside vent-pipe and heat exchanger periodically

to ensure the smooth passage of smoke.

Note: Removing vent-pipe, clean it and rid up heat exchanger with brush. During the

course, do not drop dirt and dusts into fire hole of burner and parts of electric

appliance and do not loosen or damage other parts as well. To re-fix the vent-pipe

after cleaning, notice to keep tight sealing of joints.

■ Maintenance and repair guide to common malfunctions