Infiniton GWA-11NP Manual De Usuario página 36

4. Flue Duct Installation
As this appliance is flue duct type, the flue
duct must be installed (Fig.8). Detailed
requirements are as follows:
 The main body of the flue duct shall be
made of rust-resisting metallic material.。
 The flue duct connection, the horizontal
part of the flue duct shall has a 1% down
inclination, and there shall be a ф10mm
hole at the bottom of the vertical part of
the duct outside the room, for the purpose
of condensation drainage.
 For prevention of duct blockage, it is
required strictly to install the exhaust duct
according to Fig.8. It's very important to
keep the dimension 1450mm≤a + b≤
1850mm. The tightness for flue duct
connection must
installation of duct, check to ensure the
appliance can operate normally. If the flue
duct needs to get through the combustible materials or wall, it should use the
heat shield material to pack the flue duct with the thickness over 20mm.
 Aluminum foil should be stick between water heater exhaust mouth and flue
pipe as below photo：
be good. After
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