Specifications

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2.3.5 When installing this appliance in a confined space, the minimum amount of combustion
air supplied to this appliance shall be from two permanent openings, one opening
installed within 12” of the ceiling of the room and one opening installed within 12” of the
floor of the room, with each opening totaling 49 square inches at a rate of 188 cfm of free
air for a single appliance application as per the Codes and Regulations that are listed in
Part 1 – Section 1.4 through 1.4.4 of this bid specification as applicable. When installing
more than one appliance into the same confined space, you must adjust these minimum
requirements to accept all the appliances within that space.
2.3.6 When installing louvers and grills to bring the combustion air into the room and the actual
free area of the louver or grill is not known, it is understood that wooden louvers and grills
will have a free area of 25% while metal louvers and grills will have a free area of 75% as
per the Codes and Regulations that are listed in Part 1 – section 1.4 through 1.4.4 of this
bid specification as applicable.
2.3.7 All louvers and grills, regardless of the material that they are made from, shall be fixed in
the open position, or be interlocked with the appliance(s) so that they will open
automatically during the operation of the applia nce(s). The interl ock must be placed on
the driven member as per the Codes and Regulations that are listed in Part 1 – Section
1.4 through 1.4.4 of this bid specification as applicable.
2.3.8 When installing a mechanical fan assembly to provide the combustion air, the fan shall be
interlocked with the a ppliance’s burner(s) so that combustion air is proven before and
during the operation of the appliance(s) as per the Codes and Regulations that are listed
in Part 1 – Section 1.4 through 1.4.4 of this bid specification as applicable.
2.3.9 The combustion air shall be supplied as per the Codes and Regulations that are listed in
Part 1 – Section 1.4 through 1.4.4 of this bid specification as applicable.
2.3.10 The appliance shall be installed to fit into the space available with the following minimum
clearances from combustible surfaces or for the servicing of the appliance:
¾ Top – 12”
¾ Front (burner) side – 60”
¾ Rear ( from blower) – 2”
¾ Bottom – 24”
¾ Side (without stack) – 18”
¾ Side (with air discharge) – 60”
¾ Stack – 18”
¾ Warm air ducts – 6”
2.3.11 Installation, operating, and maintenance permits may be required by the Authority Having
Jurisdiction (AHJ). It is the responsi bility of the purchaser, designa ted agent, contractor,
or installer of the appliance to check with the AHJ as to the pro per procedures to follow
for the completion of this installation.
2.3.12 Installation inspections of the finished job may also be required by the Authority Having
Jurisdiction (AHJ). It is the responsi bility of the purchaser, designa ted agent, contractor,
or installer of the appliance to check with the AHJ as to the pro per procedures to follow
for the completion of this installation.