INFINITY upwards ue diverter installation
9428-D / 04:20
Rinnai New Zealand Ltd.
(0800 746 624)
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INFINITY upwards ue diverter
installation guide
The upwards ue diverter is an accessory that can be tted to an external Rinnai continuous
ow water heater. It is designed to expel combustion products in an upwards direction. The ue
diverter is tted with screws to the ue terminal
Important: The ue diverter MUST remain as a permanent xture as removal could mean the
water heater position no longer complies with AS/NZS 5601.1. All clearances must conform with
AS/NZS 5601.1.
Suitability
• Externally mounted Rinnai INFINITY water
heaters NOT installed into a recess box.
• Balconies, patios, or other enclosed areas
where products of combustion can be
rapidly dispersed into the open-air.
Code Suitability
FDU16 A16 (VT16, XR16)
FDU20 A20 (VT20, XR18, XR20, Solar 20)
FDU24 A24, A26 (VT24, VT26, XR20+, XR26,
XR26+, XR24, Solar 24)
FDU32 HD250 (XR32)
N.B: Models in brackets above are discontinued
Specic applications
Noise reduction, in particular with larger
INFINITY models where the unit is positioned
close to a neighbouring property.
Where there may be an obstruction such
as a tree, fence, wall or other structure, that
even though an INFINITY is installed with
the required clearances, will perform more
eciently if the ue gases are cleared away
from the obstruction.
Where there are multiple units installed that are
positioned facing each other—there is potential
for other units to suocate from ue gases of
the unit directly opposite. With an upwards
ue diverter the ue gases can be expelled
upwards and away from the units.
Installation
Installation of the upwards ue diverter varies
depending on the model, this is due to the
dierent sizes of ue terminal.
Ensure the gas and electricity are turned o
before starting the installation.
Installation of the FDU16, FDU20, and FDU24
1. Remove the INFINITY front cover.
2. Remove and discard the existing foam
housing around the outside of the ue
terminal.
3. Remove the inside three screws from the
ue terminal and set aside.
4. Install the diverter onto the ue terminal,
reinsert screws and tighten.
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