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gas fueled equipment is installed in a crawl space
or an attic, the hard-wired carbon monoxide with
alarm and battery back-up may be installed on the
next adjacent floor level.
b. In the event that the requirements of the
subdivision cannot be met at the time of completion
of installation, the owner shall have a period
of thirty (30) days to comply with the above
requirements, provided, however, that during said
thirty (30) day period, a battery operated carbon
monoxide detector with an alarm be installed.
2.
Approved Carbon Monoxide Detectors
Each carbon monoxide detector shall comply with
NFPA 720 and be ANSI/UL 2034 listed and IAS
certified.
3.
Signage
A metal or plastic identification plate shall be
permanently mounted to the exterior of the
building at a minimum height of eight (8) feet
above grade directly in line with the exhaust vent
terminal for horizontally vented gas fueled heating
appliance or equipment. The sign shall read, in
Figure 21.
Multiple Side-Wall Terminals,
IMPORTANT:
Terminals must be place such that they remain a
minimum of 12” above the expected snow line. Local codes may
have more specific requirements and must be consulted. Refer to the
NFPA 54 National Fuel Gas Code and your local codes for all
required clearances for venting.
print no less than one-half (1/2) inch in size: “GAS
VENT DIRECTLY BELOW, KEEP CLEAR OF ALL
OBSTRUCTIONS.”
4.
Inspection
The state or local gas inspector of the side-wall
horizontally vented gas fueled appliance shall not
approve the installation unless, upon inspection, the
inspector observes carbon monoxide detectors and
signage installed in accordance with the provisions of
248 CMR 5.08(2)(a) 1-4.
Locating Combustion Air Terminals (continued)
N
EO
T
HERM
Commercial Boilers and Water Heaters
Summary of Contents for Neotherm NTH
Page 4: ...LAARS Heating Systems...
Page 36: ...Page 36 Figure 22 Hydronic Piping Single Boiler Zoning with Circulators LAARS Heating Systems...
Page 52: ...Page 52 Figure 36 Ladder Diagram 7 H Ladder Diagram LAARS Heating Systems...
Page 100: ...Page 100 Parts Illustration 4 Internal Components Sizes 750 850 LAARS Heating Systems...
Page 102: ...Page 102 Parts Illustration 6 Gas Train Components Sizes 600 850 LAARS Heating Systems...
