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3. Service and maintenance.
3.1 Adjustment
Adjustment can only be done by qualified personnel.
All maintenance and maintenance of the system and safety components shall
be subject to debugging.
Before boiler start
Open the stop valve between all boiler and system.
Water injection into the system to ensure that all air in the boiler and system is
discharged from the automatic exhaust valve of the boiler and heating system.
Check whether the heating system, hot water system, connector and boiler are
leaking.
Check whether the boiler's power connection is correct.
Check whether the boiler grounding is good.
Check to see if there are any corrosive liquids or articles near the boiler.
Boiler start-up
Close boiler power switch.
Set the winter mode and make sure that the indoor temperature controller is closed,
when the heat tube in the heat exchanger works, the boiler starts to run
automatically and is controlled by the regulation and safety control.
the running process is without power, the heating tube stops heating, and the wall
hanging when the power supply is restored will start heating.
During running, the power is off, the heating tube stops heating, and the boiler
will start heating when power is restored.
Run time check
Check the circulation between boiler and heating system.
Check whether the boiler works well by opening a closed room temperature
controller or timer.
Turn off
Press 5S.
The boiler turn off, but the PCB is still supplied power.,
The heating function is stopped, display ;The anti-freeezing is on line.
When shut down the power of the boiler , the anti-freezing function will failure.
In winter, if long time not to use the boiler, please empty the water of system
avoid to freezing, or inject antifreeze in the system.
