Giant UG40-92TFTT-N2U, Operation And Installation Manual

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16 Giant Manual
Ven ng
This water heater must be vented ver cally to the
outside of the building or structure.
This water heater is not designed or cer fi ed for side
wall horizontal vent termina ons.
All installa ons must be vented in accordance with
Na onal Fuel Gas Code, ANSI Z223.1/NFPA 54 ‐ latest
edi on and the requirements of state or local codes.
In Canada, the furnaces must be vented in accordance
with the Na onal Standard of Canada, CAN/CSA
B149.1 and CAN/CSA B149.2 ‐ latest edi ons and
amendments and the codes of the local u lity or
other authority having jurisdic on.
NOTE: The ver cal height of the Category I ven ng
system must be at least as great as the horizontal
length of the ven ng system.
Ven ng Requirements
Screw
Vent Pipe (4” or 102 mm diameter)
Screw
Screw
WARNING
TO PREVENT POSSIBLE PERSONAL INJURY OR DEATH
DUE TO ASPHYXIATION, COMMON VENTING WITH
OTHER MANUFACTURER’S INDUCED DRAFT
APPLIANCES IS NOT ALLOWED.
WARNING
Devices a ached to the vent system intended to
increase system e ffi ciency by reducing the heat loss of
the vent system MUST not be used on this water
heater. Giant accepts no liability for damage or injury
if such devices are installed on the vent system with
this appliance.
WARNING
Vent Pipe Assembly: To avoid damage to the vent and
vent adapter, pre drill holes with a 1/8” (3.1 mm) drill
bit. A ach the vent to the vent adapter with #8 screws.

All vent (Category I) passing through a concealed space, an
a c or fl oor, MUST be Type B double wall vent and/or Type
B double wall vent connectors. For vent passing through an
interior wall, use Type B vent with ven lated thimble ONLY.

The UG40 ‐ 92TFTT ‐ N2U or UG40 ‐ 92TFTT ‐ P2U CANNOT be
vented into any chimney serving an open fi replace or any
other solid fuel burning appliance.

Use the same diameter Category I connector or vent as
permi ed by NFPA 54/ANSI Z223.1 ven ng tables.

It is not permi ed to reduce vent diameter (4” or 102 mm).

It is emphasized that ver cal Category I vent or vent
connector runs be as short and direct as possible.

Ver cal outdoor runs of type B or ANY single wall vent
below the roof line are NOT permi ed.

All horizontal vent runs to be sloped up away from the
UG40 ‐ 92TFTT ‐ N2U or UG40 ‐ 92TFTT ‐ P2U a minimum of
¼” (6 mm) per foot.

All horizontal vent runs are to be supported, at a minimum,
every 6' (2 m) using suitable clamps and/or metal straps.

Exis ng gas vent or chimney is to be checked to ensure they
meet clearances and local codes.
The UG40 ‐ 92TFTT ‐ N2U or UG40 ‐ 92TFTT ‐ P2U can ONLY be
connected to a manufactured chimney or vent that
complies with a recognized standard. Ven ng into a
masonry or concrete chimney is only permi ed as outlined
in the NFPA 54/ANSI Z223.1 Na onal Fuel Gas Code ven ng
tables. It is therefore a contractual obliga on on the part of
the installer to follow all safe ven ng requirements.
Poison carbon monoxide gas hazard
If this appliance is replacing a previously common
vented water heater, it may be necessary to resize
the exis ng chimney liner or vent to prevent over siz ‐
ing problems for the other remaining appliance
(s). See codes and/or standard having jurisdic on.
Failure to properly vent this water hea ng appliance
or other appliance(s) can result in death, personal
injury and/or property damage.
WARNING