1
.
Please unplug the unit from the power source.
2
.
Please close the gas shut-off valve.
3
.
Please close the domestic hot water inlet valve
6
.
Please separate a heating filter.
7
.
Please clean the heating filter with clean water.
4
.
Please drain the water about 1.32 gal in the
appliance by turning the drain valve to the left
CAUTION
When you running out the hot water, be careful not to burn
yourself since there may be hot water
5
.
Please detach the fixing clip of the filter (A) by using tool.
(Please pull down the heating filter)
CAUTION
When tou running out the hot water, be careful not to burn
yourself since there may be hot water
8
.
After cleaning, please reattach the heating filter.
②
Reinsert the fixing clip of the heating filter.
①
Reinsert the heating filter.
③
Please insert the drain screw valve by turning to the right.
9
.
Please open the domestic hot water inlet valve.
Maintaining the Boiler 11
4.2 How to clean the heating filter
