AERCO Esteem O&M Manual - Manual (Page 19)

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For direct-vent appliances, mechanical-vent
heating appliances or domestic hot water
equipment, where the bottom of the vent ter-
minal and the air intake is installed below four
feet above grade the following requirements
must be satisfied:
• 1. If there is not one already present,
on each floor level where there are
bedroom(s), a carbon monoxide detec-
tor and alarm shall be placed in the liv-
ing area outside the bedroom(s). The
carbon monoxide detector shall comply
with NFPA 720 (2005 Edition).
• 2. A carbon monoxide detector shall
also be located in the room that houses
the appliance or equipment and shall:
• a. Be powered by the same
electrical circuit as the appliance
or equipment such that only one
service switch services both the
appliance and the carbon monoxide
detector;
• b. Have battery back-up power;
• c. Meet ANSI/UL 2034
Standards and comply with NFPA
720 (2005 Edition); and
• d. Have been approved and
listed by the Nationally Recognized
Testing Laboratory as recognized
under 527 CMR.
• 3. A Product-approved vent terminal
must be used, and if applicable, a
Product-approved air intake must be
used. Installation shall be in strict com-
pliance with the manufacturer’s instruc-
tions. A copy of the installation instruc-
tions shall remain with the appliance
or equipment at the completion of the
installation.
• 4. A metal or plastic identification plate
shall be mounted at the exterior of the
building, four feet directly above the
location of vent terminal. The plate shall
be of sufficient size to be easily read
from a distance of eight feet away, and
read “Gas Vent Directly Below”.
N
OTICE
Installer must provide tag identifi cation
plate and ensure the lettering meets
code requirements.
For direct-vent appliances, mechanical-vent
heating appliances or domestic hot water
equipment, where the bottom of the vent termi-
nal and the air intake are installed above four
feet above grade the following requirements
must be satisfied:
• 1. If there is not one already present,
on each floor level where there are
bedroom(s), a carbon monoxide detec-
tor and alarm shall be placed in the liv-
ing area outside the bedroom(s). The
carbon monoxide detector shall comply
with NFPA 720 (2005 Edition).
• 2. A carbon monoxide detector shall:
• a. Be located in the room that
houses the appliances or equip-
ment;
• b. Be either hard wired or bat-
tery powered or both; and
• c. Shall comply with NFPA 720
(2005 Edition)
• 3. A Product-approved vent terminal
must be used, and if applicable, a
Product-approved air intake must be
used. Installation shall be in strict com-
pliance with the manufacturer’s instruc-
tions. A copy of the installation instruc-
tions shall remain with the appliance
or equipment at the completion of the
installation.
Commonwealth of Massachusetts Installations Only
GF-125