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Bathing in winter is inseparable from the water heater. Taking a bath is very comfortable, but sometimes it will be embarrassing, that is, the water heater won't catch fire. Nowadays, water heaters are mostly used at home. Today, let's take a look at the top ten reasons why the water heater won't catch fire and their solutions:
What is a forced discharge water heater?
Forced-row water heater is a kind of heat exchanger with extremely long heat transfer tube and large contact area with metal, which fully transfers the heat of combustion gas to metal sheet to heat water, so that the temperature of exhaust gas is extremely low. This kind of heat exchanger has extremely high thermal efficiency.
The forced exhaust type is based on the flue type, which adds a flue gas exhaust motor, and the flue gas is discharged to the outside through the flue. During operation, the flue gas is forcibly discharged to the outside through the flue, but the oxygen required for combustion is still taken from the room.
Working principle of forced discharge water heater;
The forced exhaust water heater forcibly exhausts smoke through the exhaust motor installed above the water heater, so that the burning waste gas can be quickly discharged outside. Power is supplied to the water heater through an external plug. The interior mainly includes: pulse igniter, ion induction probe, thermostat, wind pressure switch, safety tube (available in some water heaters), starting capacitor, exhaust motor, microswitch, valve-controlled solenoid valve, water control valve, water-gas linkage device, burner, circulating water tank, master circuit control package, ignition indicator lamp, temperature indicator screen (not available in old models) and gas proportional control valve (not available in old models).
In the case of power supply, water supply and ventilation, due to the pressure of water flow, the microswitch is turned on, the exhaust motor starts to work and exhaust, and the pulse igniter starts to discharge at the same time. The gas control solenoid valve opens the air flow and enters the combustion chamber. When the gas meets the spark, it starts to heat the circulating water tank, and the hot water flows out quickly after the cold water is discharged. If the water temperature is higher than 50 degrees, limit the operation of the thermostat, cut off the power supply and extinguish the gas. If the outdoor wind pressure is too high or the flue is blocked, the circulating water tank will be used for a long time, resulting in melting and adhesion of the heat exchanger of the water tank and poor ventilation, the wind pressure switch will turn off the power supply and the water heater will stop working. Usually, the wind pressure switch is easy to break, indicating that the water heater can be started, but it will automatically turn off in a few seconds or minutes.
Causes and solutions of flameout of forced exhaust water heater;
Forced exhaust water heater can't catch fire. Reason: 1. Power supply problem.
Solution: check whether the indicator light of AC power plug is on, and first eliminate the problem of power supply.
Forced exhaust water heater can't catch fire. Reason: 2. The solenoid valve is faulty.
Solution: If only the ignition sound is heard during ignition, and the solenoid valve has no magnetic sound absorption, it may be that the solenoid valve is damaged or aging, and the aging solenoid valve will be out of control. At the initial stage of ignition, you can ignite by suction, but then turn it off, turn it off; It may also be that the gas pressure is too high or too low, and the output pressure of the cylinder pressure reducing valve is too high or too low, which will cause the water heater to catch fire; It is more likely that there is dirt on the solenoid valve. If the solenoid valve can't be released, the gas (natural gas, liquefied petroleum gas, artificial gas) can't be released, so it won't catch fire. First confirm whether the igniter control circuit is normal, and then confirm whether the solenoid valve is good or bad. If there is a fault, the solenoid valve can't be controlled to pull in.
Forced exhaust water heater can't catch fire. Reason: 3. The electronic igniter is faulty.
Solution: One of the pulse igniter and controller is faulty, and neither water heater can ignite.
The forced water heater won't catch fire. Reason: 4. Ignition porcelain needle or induction porcelain needle problem.
Solution: A. It is very difficult to ignite when the ignition needle is deviated or aged, so it can be replaced or placed correctly; B. Induction aging can be accomplished by grinding and placing induction needles (so that the flame can fully burn the induction needles no matter whether it is a big fire or a small fire).
Forced exhaust water heater can't catch fire. Reason: 5. Water pressure problem.
Solution: A. When the water pressure is low, the water heater cannot be started normally; B. The water inlet filter screen is blocked, and the water cannot flow normally. Clean it up.
Forced exhaust water heater can't catch fire. Reason: 6. Water-gas linkage device failure.
Solution: A. The aging or damage of the eardrum in the water-gas linkage valve can't push the microswitch; B. The microswitch is broken.
Forced discharge water heater won't catch fire: 7. The air switch is not turned on or the air inlet screen is blocked.
Solution: Turn on the air source and clean the air inlet filter.
Forced exhaust water heater can't catch fire. Reason: 8. Gas types do not match.
Solution: For example, connect the liquefied gas water heater to natural gas. In this case, it is necessary to replace the liquefied gas water heater with natural gas before it can be connected.
The reason why the forced exhaust water heater can't catch fire: 9. The valve seal will rise after being corroded by gas.
Solution: Replace parts.
Forced exhaust water heater can't catch fire. Reason: 10. The smoke pipe can't exhaust normally.
Solution: a. If the smoke pipe is blocked, clean the blockage of the smoke pipe; B. the smoke pipe is too long and is not installed correctly.
Matters needing attention in installation of forced discharge water heater
1, the distance between the water heater and the smoke outlet must be controlled within a certain length;
2, exhaust pipe length limit;
3, smoke exhaust pipe should be connected firmly to prevent falling off, and make sealing measures;
4. The smoke exhaust pipe should use the special fittings of this water heater, and its shape and structure shall not be changed;
5. The upward exhaust pipe of the water heater exhaust pipe joint should be as short as possible;
6. The spacing of smoke exhaust pipe supports is 1.5 ~ 2m/ root;
7. The outlet of the exhaust pipe should be slightly inclined downward to avoid rainwater backflow;
8. The corner of the exhaust pipe must be >; 90, there must be a transition fillet.
9. In order to prevent condensation water from gathering, each section of smoke exhaust pipe should be inclined downwards with a gradient of1/50;
10, the middle part of the exhaust pipe shall not be installed vertically upwards;
1 1. If the position of the smoke outlet is higher than the installation position of the water heater, first raise the straight pipe on the water heater above the smoke outlet, and then connect it down to the smoke outlet.
With the development of the times, the convenience of people's life is gradually improving, and more and more intelligent and humanized things appear, replacing old and cumbersome objects, so that people no longer waste unnecessary time and energy.
Among them, the continuous innovation of household appliances is one of the signs of the progress of the times. Multifunctional, fashionable and high-tech household appliances have solved many troubles in people's lives, but their intelligence is not perfect. Make people more passive and blind in the use of electrical appliances. Sometimes if you are not careful, there will be potential safety hazards, which will lead to great disasters. Even a big brand like Haier, we should have a clear understanding of its function, so how to use Haier water heater?
1. When using the electric water heater, turn on the power supply and the indicator light is on, indicating that electric heating is being carried out. When the water temperature reaches the set value, the indicator light goes out, indicating that the power supply is cut off. The indicator light goes on and off, indicating automatic heat preservation.
2. The electric water heater (water storage type) should be filled with water first, then electrified and heated, and can be used after preheating.
In case of water pressure drop or sudden water stop, it is best to turn off the power supply.
3. All electric water heaters are equipped with faucets and backflow devices. Usually, "blue" means cold water and "red" means hot water.
When in use, turn on the "red" faucet and hot water will flow out. At this time, if the water temperature is too high, at the same time, unscrew the "blue" faucet and adjust the water output, and you can get hot water with appropriate temperature.
4. The temperature regulator of electric water heater is marked with water temperature scale. If "I", "II" and "III" or English and Arabic numerals are used to indicate the adjustment position of low, medium and high water temperature, and the temperature adjustment knob is aimed at a certain mark, the water temperature of the water heater will be kept at the set temperature indicated in this document.
When in use, let the water overflow to test the actual water temperature, and then take a bath to avoid scalding the skin if the water temperature is too high.
5. When adding water, you must open the water outlet, and check whether the water is full after the air in the liner is completely discharged.
6, must first cut off the power supply before exclusion.
7. When using the blocking device, the water inlet valve must be opened during heating.
8, just open the valve, don't put the direction of water flow to the human body.
Haier electric water heater adopts 360 special blue crystal liner, which is efficient and energy-saving. High-density fluorine-free polyurethane insulation layer, integral foaming technology and seamless connection protect the heat energy of electric water heater from loss. Haier's super-large anode magnesium rod strongly attacks the corrosion of chlorine ions on the inner tank of electric water heater, reduces the scale adhesion, purifies water and protects the inner tank.
Haier electric water heater adopts intelligent double water tank heating system, and the upper and lower water tanks are heated separately to realize hot water stratification, save heating time and improve the efficiency of water heater. In addition, the electric water heater has high-precision temperature control technology, reserved heating function and automatic heat preservation function, which is energy-saving and reliable.
Well-designed and fully functional Haier water heater also has good after-sales service. Call Haier water heater after-sales phone to know the situation of your own water heater anytime and anywhere, and do regular maintenance. Easy to use, with the help of a good water heater, you can get the most concerned protection in different seasons and enjoy a pleasant time at home.