How to clean the filter
Caution
Before the boiler is installed or relocated, foreign substances inside the pipes must be
cleaned out. Contaminants may shorten the life of the boilers, make noise, and/or reduce
thermal efficiency.
Clean the filter every six months and the pipes every two years.
1. Unplug the boiler.
2. Close the water supply valve.
3. Turn the drain stopper counter-clockwise and pull
downwards to open. The water in boiler (about 6 l)
will come out. Be careful because it may be hot.
4. Turn the filter’s fastener counter-clockwise.
5. Pull the pin of the filter upwads to separate.
6. Pull the filter downwards to separate.
Beware of any possible remaining hot water.
Caution
7. After cleaning, assemble the filter following the above
steps in reverse. Insert the pin to affix the filter.
8. Put the drain stopper back in its original position.
9. Open the water supply valve.
10. Open the replenish valve until the pressure reaches
1~2kgf/cm .
11. Plug the boiler in.
Caution
Turn the boiler off for at least an hour before cleaning the filter.
The water in the boiler may be hot. You need to proceed with
caution to ensure you do not scald yourself.
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Room controller line
Replenish valve
Water in
Hot water out
Drain
Strainer
(Filter)
Heating water in
Heating water out
Gas in
Pin
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