State Regulations - Rinnai c199i Installation And Operation Manual

NOTICE BEFORE INSTALLATION
IMPORTANT: In the State of Massachusetts (248 CMR 4.00 & 5.00)
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 side wall
exhaust vent termination is less than seven (7) feet above finished grade in the area of the venting, including but not limited
to decks and porches, the following requirements shall be satisfied:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall horizontal vented gas
fueled equipment, the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an
alarm and battery back-up is installed on the floor level where the gas equipment is to be installed. In addition, the
installing plumber or gasfitter shall observe that a battery operated or hard wired carbon monoxide 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 services of qualified licensed
professionals for the installation of hard wired carbon monoxide detectors
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 adjacent floor
level.
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 with the above
provisions 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 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.
Combination Space Heating /
Potable Water System
All water piping should be insulated in
accordance with 780 CMR
(Massachusetts Energy Code)
Expansion Tank
Check Valve with 1/8" Hole
Drilled in Clapper Optional
Shut Off Valve
Cold Water Supply
Check Valve
Automatic Tempering Device Must be
installed below the top of the water heater
as per manufacturer's recommendations
Tempered water to plumbing
fixtures. Must meet temperature
requirements of 248CMR

State Regulations

This direct-vent appliance must be installed by a licensed professional. If you are not
properly trained, you must not install this unit.
USE ONLY IN COMMONWEALTH OF MASSACHUSETTS
Product Approved Water Heater
Min. 2' developed
length Type L copper
from water heater
Electronically controlled pump
timer. Activates every 6 hours for
60 seconds. Wire to product
approved pump (or built-in logic)
C199 Manual
100'-0" maximum distance from water
heater to fan coil and back. (Developed
length) not including coil in heating unit
Hot Water
Supply and
Return to
Heating Coil
System installed with reverse acting
aquastat to shut off fan. Suggested but
not required by 248 CMR
Piping loop between water
heater and fan coil shall be in
compliance with 248 CMR
Air Handler
Hot Water Coil
NSF-61 Product Approved Pump
Check Valve
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