Installation - Noritz WHiC56 Service Manual

Installation

■ Filling the drain trap unit with water
The drain trap unit can be fi lled before connecting the vent pipe.
Filling the drain trap unit before vent pipe installation.
DANGER
Please follow one of the procedures described below to ensure that the drain trap unit is fi lled with water.
1) Fill the drain trap unit by pouring approx. 850ml 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.)
Prior to initial start up, make sure that you fi ll the drain trap unit with water.
This is to prevent dangerous exhaust gases from entering the building.
Failure to fi ll the drain trap unit could result in severe personal injury or death.
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Intake
850ml
Exhaust