10
Filling the drain trap unit with water
The drain trap unit can be filled before connecting the vent pipe.
Filling the drain trap unit before vent pipe installation.
DANGER
Prior to initial start up, make sure that you fill the drain trap unit with water.
This is to prevent dangerous exhaust gases from entering the building.
Failure to fill the drain trap unit could result in severe personal injury or death.
Please follow one of the procedures described below to ensure that the drain trap unit is filled with water.
700ml
Intake
Exhaust
1) Fill the drain trap unit by pouring approx. 700ml of water into the
exhaust accessory on the top of the appliance as illustrated below.
Or, if the vent pipe has already been installed:
2) After installing the drain pipe, make sure that the area around the
appliance is well ventilated; open a window or a door if necessary.
Then, operate the unit and verify that condensate is coming out of
the drain pipe.
(During normal use of the water heater, condensate will begin to discharge
from the drain pipe within 30 minutes of use. However, depending on the
season and/or installation site conditions, it may take longer.)