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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.
SIGNAGE: A metal or plastic identification 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.
b) EXEMPTIONS: The following equipment is exempt from 248 CRM
5.08(2)(a) 1 through 4:
− The equipment listed in Section 10 entitled "Equipment Not
Required To Be Vented" in the most current edition of NFPA
54 as adopted by the board;
− Product Approved side wall horizontally vented gas fueled
equipment installed in a room or structure separate from
the dwelling, building or structure used in whole or in part
for residential purposes.
c) MANUFACTURERS REQUIREMENTS - GAS EQUIPMENT VENTING SYS-
TEM REQUIRED: When the manufacturer of Product Approved side
wall horizontally mounted gas equipment provides a venting sys-
tem design or venting system components with the equipment,
the instructions provided by the manufacturer for the installation
of the equipment and venting shall include:
− Detailed instructions for the installation of the venting sys-
tem or the venting system components;
− A complete parts list for the venting system design or vent-
ing system.
d) MANUFACTURERS REQUIREMENTS - GAS EQUIPMENT VENTING SYS-
TEM NOT PROVIDED: When the manufacturer of Product Approved
side wall horizontally vented gas fueled equipment does not pro-
vide the parts for the venting of flue gases, but identifies "special
venting systems", the following requirements shall be satisfied by
the manufacturer:
− The referenced "special venting systems" shall be included
with the appliance or equipment installation instructions;
− The "special venting systems" shall be Product Approved by
the Board and the instructions for that system shall include
a parts list and detailed installation instructions.
e) A copy of all instructions for all Product Approved side wall hor-
izontally vented gas fueled equipment, all venting instructions, all
parts lists for venting instructions and/or venting design instruc-
tions shall remain with the appliance or equipment at the com-
pletion of the installation.
1.10 Suitable fuels
Permissible fuels
− Natural gas from the public gas supply in accordance with
national regulations with a total sulphur content < 15ppm.
− LP in accordance with national regulations with a content
of elementary sulphur < 1.5 ppm and volatile sulphur < 50
ppm.
− Ultra Low Sulphur Diesel in accordance with national regu-
lations with a content of elementary sulphur < 15 ppm (for
use as back-up fuel in condensing operation).
− Heating oil type 2 when boiler return temperature is not
lower than 140 °F; non-condensing operation. See the
warranty statement for additional details.
− A variety of alternate fuels such as biodiesel, jet fuel A, etc
may also be utilized. Contact
9
Do not use gasoline, crankcase drainings, or any oil contain-
ing gasoline.
− The boiler must only be operated with the specified fuels.
− Only burners that are suitable for the specified fuels may
be used.
− Observe the manufacturer's burner selection list and the
burner manufacturer's instructions.
1.11 Burners
Follow the burner manufacturer's instructions when fitting the
burner. A pre-drilled burner plate is included with the boiler.
An adapter plate may be required if a non-standard burner is
used (see table).
As standard, the burner plate gasket must be trimmed in order to
fit the burner blast tube.
The installer must cut the hole 3/8" larger than the blast tube di-
ameter.
The combustion chamber door must be opened to allow the
burner to be mounted.
If the burner head is too long to open/close the combustion
chamber door, the burner will have to be removed prior to the
opening/closing of the door.
For reduction of burner capacity according to altitude make refer-
ence to the burner manual.
9
After the burner is installed, fill the gap between the burner
tube and the refractory material in the door with the ceramic
insulation supplied loose with the boiler.
RTC 1000-
80
Fireside
inch W.C.
1.284
pressure
mbar
3.2
drop
RTC 3000-
80
Fireside
inch W.C.
2.288
pressure
mbar
5.7
drop
At maximum output with water temps supply/return of 176/140 °F
(80/60 °C), CO2=9.7% and O2=3.6%.
11
GENERAL
R
for applicability.
RTC 1300-
RTC 1700-
RTC 2300-
80
80
80
1.846
2.007
2.208
4.6
5.0
5.5
RTC 3800-
RTC 4700-
RTC 5500-
80
80
80
2.529
2.729
2.970
6.3
6.8
7.4
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