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Installing the water heater.
The water heater must be installed with the factory supplied blower assembly in place.
Venting
The water heater must be vented to the
outdoors as described in these
instructions. DO NOT connect this water
heater to an existing vent or chimney - it
must be vented separately from all other
appliances.
NOTICE: This unit can be vented using only
the following recommended pipe material.
Use only 2- or 3-inch diameter pipe.
PVC (Schedule 40, ASTM D-1785)
CPVC (Schedule 40, ASTM F-441)
ABS (Schedule 40, ASTM D-2661)
The fittings, other than the TERMINATION,
should be equivalent to the following:
PVC (Schedule 40 DWV, ASTM D-2665)
CPVC (Schedule 40 DWV, ASTM F-438)
ABS (Schedule 40 DWV, ASTM D-2661)
The unit may be vented horizontally
through a wall or vertically through the
roof.
Pipe runs must be adequately supported
along both vertical and horizontal runs.
Maximum unsupported span is
recommended to be no more than 6 feet.
It is imperative that the first hanger be
located on the horizontal run immediately
adjacent to the first 90-degree elbow
from the vertical rise.
Support method used should isolate the
vent pipe from floor joists or other
structural members to help prevent the
transmission of noise and vibration.
Do not support, pin or otherwise secure
the venting system in a way that
restricts the normal thermal expansion
and contraction of the chosen venting
material.
If the water heater is being installed as a
replacement for an existing power vented
water heater, a thorough inspection of the
existing venting system must be
performed prior to any installation work.
Verify that the correct materials as
detailed above have been used, and that
the minimum or maximum vent length and
terminal locations as detailed in this
manual have been met.
Carefully inspect the entire venting
system for any signs of cracks or
fractures, particularly at the joints
between elbows or other fittings and the
straight runs of vent pipe.
Check the system for signs of sagging or
other stresses in the joints as a result of
misalignment of any components in the
system.
If any of these conditions are found, they
must be corrected in accordance with the
venting instructions in this manual before
completing the installation and putting
the water heater into service.
DANGER: Failure to
install the blower assembly
and properly vent the water
heater to the outdoors as
outlined in the Venting
section of this manual will
result in unsafe operation of
the water heater causing
bodily injury, explosion, fire
or death.
To avoid the risk of fire,
explosion, or asphyxiation
from carbon monoxide,
NEVER operate the water
heater unless it is properly
vented and has adequate air
supply for proper operation
as outlined in the Venting
section of this manual.
The vent pipe must overlap
a minimum of ½” on each
connection. It is important
that the vent pipe engages
fully into any pipe fitting
and be kept in that position
until the adhesive has fully
cured. DO NOT drill or
punch holes in the plastic
pipe or fittings.
NOTICE: This unit is
equipped with a Flammable
Vapor Sensor. Do not apply
power until enough time
has passed to allow the
vapors from the primer and
cement to dissipate.
Blower Assembly Installation
(If not factory installed)
Connect blower assembly with the electrical connector. Attach
Blower Assembly to top pan using the six (6) screws provided
(See diagram to the left). Install rubber coupling (supplied in
the box with water heater) on blower housing and secure it.
NOTICE: The Blower Assembly is Btuh input specific and
is not certified for use on any other Btuh input model.
Blower
Assembly
Rubber
Coupling
Sheet Metal
Screws
Electrical
Connector
Flue
Baffle
12
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