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GENERAL
1.7 Intended use
This boiler must only be used for the purpose specied by the
manufacturer and for which it is designed.
The RTC can be operated with gas, oil, and combination burners.
For a list of the approved burners, see specic paragraph in this
manual.
The boiler can be operated with an aquastat and other control
systems.
The manufacturer declines all responsibility, contractual or other,
for damage to property or injury to persons or animals caused by
improper installation, adjustment, maintenance or use.
1.8 Certication and test mark
This appliance has been tested and certied and meets all appli-
cable standards for the US markets:
− UL 296 Standard for oil burners
− UL 726 Standard for oil-red boiler assemblies
− UL 795 Standard for commercial industrial gas heating
equipment.
1.9 Regulations and Guidelines
1.9.1 National regulation
The heating system must comply with the requirements of the rel-
evant regulatory authorities or otherwise of the National Fuel Gas
Code, ANSI Z 223.1.
If specied by the relevant regulatory authorities, the heating sys-
tem must comply with the regulations of the Standard for Controls
and Safety Devices for Automatically Fired Boilers, ANSI/ASME CSD-1.
Carbon monoxide detectors must be installed as specied by the
local regulations. The boiler must be serviced annually.
1.9.2 Compliance with standards and regulations
Installation of the boiler must comply with all applicable codes
and regulations imposed by the national, Federal or local author-
ities and bodies. If no specic requirements are dened, in the
USA, the latest edition of the National Fuel Gas Code ANSI Z223.1/
NFPA 54 must be complied with.
Where required by local regulations, the system must comply with
the American Society of Mechanical Engineers Safety Code for Con-
trols and Safety Devices for Automatically Fired Boilers (ASME CSD-1).
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WARNING: Risk of fatal Injury from explosion of ammable
gases.
− Installation, connection of the fuel supply and ue pipe,
commissioning, connection of the electrical power supply,
servicing and repair may only be carried out by an autho-
rized heating engineer.
− Any work on gas-carrying components may only be carried
out by an authorized gas installer.
The local regulations regarding minimum pressure detectors and
low water safety cutouts must be observed. Installation and oper-
ation must comply with the device manufacturer‘s technical doc-
umentation.
We recommend tting an 80 mesh dirt lter externally to the
boiler return to prevent contamination of the boiler by the water
source.
Leak test
A leak test must be carried out. The testing pressure is based on the
normal operating pressure of the heating system and should be
1.3 times that pressure, and in any case no less than 14 psi (1 bar).
Safety limits
Safety limits Value
Maximum allowable temperature: 210°F (99°C)
Maximum Allowable Working Pressure
(MAWP)
160 psi (11 bar)
Maximum cycle time for safety tem-
perature limiter:
40 s
Maximum cycle time for temperature
control:
40 s
1.9.3 Additional regulations for installations in the
Commonwealth of Massachusetts
a) For all side wall horizontally vented gas fueled equipment in-
stalled 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 ter-
mination is less than seven (7) feet above nished grade in the
area of the venting, including but not limited to decks and porch-
es, the following requirements shall be satised:
INSTALLATION OF CARBON MONOXIDE DETECTORS: At the time of in-
stallation of the side wall horizontal vented gas fueled equip-
ment, the installing plumber or gastter shall observe that a hard
wired carbon monoxide detector with an alarm and battery back-
up is installed on the oor level where the gas equipment is to
be installed. In addition, the installing plumber or gastter 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 qualied licensed pro-
fessionals for the installation of hard wired carbon monoxide de-
tectors.
− In the event that the side wall horizontally vented gas fu-
eled equipment is installed in a crawl space or an attic, the
hard wired carbon monoxide detector with alarm and bat-
tery back-up may be installed on the next adjacent oor
level.
− 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 mon-
oxide detector with an alarm shall be installed.
APPROVED CARBON MONOXIDE DETECTORS: Each carbon monoxide
detector as required in accordance with the above provisions shall
comply with NPA 720 and be ANSI/UL 2034 listed and IAS certied.
SIGNAGE: A metal or plastic identication plate shall be perma-
nently mounted to the exterior of the building at a minimum
height of eight (8) feet above grade directly in line with the ex-
haust 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”.
INSPECTION: The state or local gas inspector of the side wall hor-
izontally vented gas fueled equipment shall not approve the in-
stallation unless, upon inspections, the inspector observes carbon
monoxide detectors and signage installed in accordance with the
provisions of 248 CRM 5.08(2)(a) 1 through 4.
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