Rinnai M
-
Series Condensing Boiler Combi Manual
21
•
M
-
Series boilers can be installed in
direct vent or non
-
direct vent
applications.
•
When installed as Direct Vent, refer to
the following section for a complete
list of approved vent manufacturers
and products:
“
5.4.1 Direct Vent:
Approved Vent Manufacturers and
Products.
”
•
When installed as Non
-
Direct Vent
(Room Air), the vent must be Category
IV and of a type listed by a national
recognized testing agency.
•
Exhaust must be directly vented to
the outside. Combustion air can be
provided from outside (Direct Vent) or
from room air (Non
-
Direct Vent).
•
If using room air (non
-
direct vent) for
combustion, ensure the required
volume of indoor air is available
according to the National Fuel Gas
Code, ANSI Z223.1/NFPA 54.
•
Avoid dips or sags in horizontal vent
runs by installing supports per the
vent manufacturer
’
s instructions.
•
Support horizontal vent runs every 4
ft (1.2 m) and all vertical vent runs
every 6 ft (1.83 m) or as per vent
manufacturer
’
s instructions or local
code requirements.
Topics in this section
•
Guidelines
•
Venting Installation Sequence
•
Termination Considerations
•
Venting Options
5
•
Venting should be as direct as possible
with a minimum number of pipe fittings.
•
For manufactured vent systems, vent
connections must be firmly pressed
together so that the connections form an
air tight seal. Follow the venting
manufacturer
’
s instructions.
•
Refer to the Schedule 40 PVC/CPVC
manufacturer for appropriate fittings,
solvents or joining methods.
•
If venting reassembly is needed, follow
the steps for installing the venting in the
following sections. Make certain that the
vent piping and seals are not damaged.
Only use sealants, primers, or glues that
are approved for the vent material in use.
•
Refer to the instructions of the vent
system manufacturer for component
assembly instructions.
•
If the vent system is to be enclosed, it is
suggested that the design of the enclosure
shall permit inspection of the vent system.
The design of such enclosure shall be
deemed acceptable by the installer or the
local inspector.
•
Any issues resulting from improper vent
installation will not be covered by
warranty.
•
DO NOT use cellular core PVC/CPVC.
•
DO NOT use Radel, ABS, or galvanized
material to vent this appliance.
•
DO NOT cover non
-
metallic vent pipe
and fittings with thermal insulation.
•
DO NOT combine vent components
from different manufacturers.
•
DO NOT reduce the vent diameter. Vent
diameter cannot be less than 2 in.
•
DO NOT connect the venting system
with an existing vent or chimney.
•
DO NOT common vent with the vent
pipe of any other manufacturer
’
s boiler
or appliance.
WARNING
Содержание M Series
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