First, there is a phenomenon: the heating in the whole residential building is not hot.
Reason: whether to pay the fee and whether the valve is closed.
Solution: Take the initiative to pay the annual heating fee for business premises; Contact the person in charge of heating to open the heating valve.
Second, there is a phenomenon that one or more users in series in a unit building are not hot.
Cause: There is air jam.
Solution: Open the highest exhaust valve in the top floor room.
Third, there is a phenomenon: the radiator is not hot.
Cause: series users: air blockage or pipe blockage, poor circulation.
Home control: there is air blockage or pipe blockage.
Solution: series users: 1, open the steam trap on the radiator to drain properly; Tap the heating pipe and radiator with a wooden stick to let the air out.
Household control: 1. Open the exhaust valve at the top of the room and tap the heating pipe and radiator with a wooden stick; 2. Open the bleeder valve on the radiator and properly drain and exhaust; 3. Turn on 1 radiator, turn off other radiators, and circulate indoors one by one.
Fourthly, there is a phenomenon: radiators are warm, but not all of them are hot.
Cause: The medium circulation speed is slow.
Solution: Open the upper and lower water supply and return valves of the radiator, and it will take a long time to circulate.
5. There is a phenomenon: the radiator in one or more rooms on the same side of the series users is not hot.
Cause: Some users changed the system privately, which led to the system cycle screen closing.
Solution: Go door to door to find the existing points and make rectification.
Sixth, there are phenomena: some radiators are hot and some are not.
Cause: There is air blockage or heating pipe blockage.
Solution: 1 Open the bleeder valve at the top of the room to exhaust; 2. Turn on 1 group, turn off other groups of radiators, and circulate indoors one by one. 3. Please ask professionals to clean up the sundries in the radiator.
Seven, there is a phenomenon: new users are not hot.
Reason: The connection between the old and new systems is not handled well.
Solution: Debugging and solving by the installer.