GF-135
Esteem 399 Low NOx Boiler
Chapter 3
OMM-0089_0A
Installation, Operation & Maintenance Manual
Comb. Air & Venting
Page
27
of
188
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0089_0A
MC1 06/19/14
Ph.: 800-526-0288
Commonwealth of Massachusetts Installations Only
For direct-vent appliances, mechanical-vent heating appliances or domestic hot water
equipment, where the bottom of the vent terminal 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 bed-room(s), a
carbon monoxide detector and alarm shall be placed in the living area outside the
bedroom(s). The car-bon 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).
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 compliance with the manufacturer’s
instructions. A copy of the installation instructions 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”.
NOTE
Installer must provide tag identification 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 terminal 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 bed-room(s), a carbon
monoxide detector and alarm shall be placed in the living area outside the bedroom(s). The
car-bon 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 equipment;
b) Be either hard wired or battery 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 compliance with the manufacturer’s
instructions. A copy of the installation instructions shall remain with the appliance or
equipment at the completion of the installation
