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Appendix B: Special Requirements For Side-Wall Vented Appliances
In The Commonwealth of Massachusetts
IMPORTANT
The Commonwealth of Massachusetts requires compliance with regulation 248 CMR 4.00 and 5.00 for
installation of side-wall vented gas appliances as follows:
(a) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used
in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the
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1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall horizon-
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detector with an alarm is installed on each additional level of the dwelling, building or structure served by the side
wall horizontal vented gas fueled equipment. It shall be the responsibility of the property owner to secure the ser-
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a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an
attic, the hard wired carbon monoxide detector with alarm and battery back-up may be installed on the next
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b. In the event that the requirements of this subdivision can not 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 shall be
installed.
2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance
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a minimum height of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally
vented gas fueled heating appliance or equipment. The sign shall read, in print size 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 equipment 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 through 4.
(b) EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled “Equipment Not Required To Be Vented” in the most current edi-
tion of NFPA 54 as adopted by the Board; and
2. Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure sepa-
rate from the dwelling, building or structure used in whole or in part for residential purposes.
(c) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM PROVIDED. When the
manufacturer of Product Approved side wall horizontally vented gas equipment provides a venting system design or
venting system components with the equipment, the instructions provided by the manufacturer for installation of the
equipment and the venting system shall include:
Содержание PHNTM080
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Страница 9: ...7 Figure 4 1 Minimum Clearances To Combustible Construction...
Страница 11: ...9 Figure 5 1 Wall Layout Mounting Hole Location...
Страница 12: ...10 Figure 5 2 Boiler Mounting Bracket Installation Boiler Wall Mounting...
Страница 39: ...37 FIGURE 7 24 SPLIT VENT SYSTEM FLEX IN ABANDONED MASONRY CHIMNEY VENT OPTIONS 33 38...
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Страница 68: ...66 FIGURE 9 2 PIPING METHOD 1 NEAR BOILER PIPING HEATING ONLY...
Страница 69: ...67 FIGURE 9 3A PIPING METHOD 1 NEAR BOILER PIPING HEATING PLUS INDIRECT WATER HEATER IWH OFF PRIMARY LOOP...
Страница 70: ...68 FIGURE 9 3B PIPING METHOD 1 NEAR BOILER PIPING HEATING PLUS INDIRECT WATER HEATER IWH OFF BOILER LOOP...
Страница 72: ...70 FIGURE 9 6 PIPING METHOD 1 NEAR BOILER PIPING SHADED BOILER LOOP...
Страница 80: ...78 FIGURE 10 2 HIGH VOLTAGE PCB TERMINAL CONNECTIONS FIGURE 10 3 LOW VOLTAGE PCB TERMINAL CONNECTIONS...
Страница 82: ...80 FIGURE 10 4 PROPER INSTALLATION OF HEADER SENSOR...
Страница 84: ...82 FIGURE 10 6 INTERNAL WIRING CONNECTIONS DIAGRAM...
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Страница 92: ...90 Lighting and Operating Instructions...
Страница 98: ...96 FIGURE 12 2 PIPING FOR DHW OPTIONS 1 2 ALSO SEE FIGURES 9 3A 9 3B FIGURE 12 3 PIPING FOR DHW OPTION 3...
Страница 101: ...99 FIGURE 12 5 SETTINGS MENU SEE PART C FOR ADDITIONAL INFORMATION...
Страница 113: ...111 FIGURE 13 2 IGNITION ELECTRODE GAP FIGURE 13 3 CONDENSATE TRAP EXPLODED PARTS VIEW...
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Страница 127: ...125 40 33 31 27 28 34 35 37 38 32 39 36 29 30 48 Blower Gas Valve Assembly for 80 100 120...
Страница 128: ...126 31 28 27 32 44 42 29 41 45 38 47 30 43 35 46 34 36 33 39 Blower Gas Valve Assembly for 150 180...
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