Specifications for
Reflect-O-Ray® EDS 3.5 OIL FIRED SYSTEMS
PART 1 - GENERAL
It is the intent of this specification to
identify design requirements and minimum standards for the quality, construction,
delivery, installation and operation of the low intensity, vacuum vented, oil fired
infrared heating equipment. Minor variations, in accordance with standard practice, shall
be indicated on the shop drawings and submitted for approval.
1.1 - CODES AND STANDARDS
1.1.1 The entire heating system shall be
designed to the CSA, B140.4 - (Current Standard) and CAN 2.16- (Current Standard) & UL
731 standards.
1.1.2 Installation shall conform to local codes and local gas authorities
including the National Electrical Code, National Fuel Gas Code, and applicable ANSI, NFPA
& CAN/CGA & CSA codes.
1.2 - QUALITY ASSURANCE
1.2.1 The material construction and operation of the
infrared heating equipment shall conform to the performance specifications contained
herein. Approved manufacturer is: Combustion Research Corporation, 2516 Leach Rd.,
Rochester Hills, MI, 48309; Tel. No. 248.852.3611, Fax. No. 248.852.9165.
1.2.2 Manufacturer shall warrant mechanical and electrical components for a
period of one year from original invoice date.
1.2.3 Manufacturer shall warrant radiant tube for a period of ten (10) years
(against internally created corrosion) from the original invoice date provided system is
installed and maintained in accordance with the owner's manual - see warranty statement
for details.
1.2.4 System shall be furnished complete with Burner(s), Vacuum
Exhauster(s),
Tubular infrared emitters, Fittings, Reflector Shields, Hangers and System Controls.
1.3 - MANUFACTURER AND INSTALLER QUALIFICATIONS
1.3.1 The low intensity, oil fired infrared heating
system shall be a product of a manufacturer who has had at least ten years experience in
design, fabrication and service and who is regularly engaged in the manufacture of the
type of oil fired low intensity infrared heating equipment specified herein. Only
manufactures who can submit evidence of actual installations of comparable designed
construction, and that the products have proven practical, durable, and require a minimum
of maintenance, will be qualified under this specification.
1.3.2 Installation of the oil fired low intensity infrared heating equipment
shall be by supervised by an authorized representative of the heater manufacturer and
shall be in accordance with approved installation drawings. Mechanics shall be skilled and
experienced in the erection of the oil fired equipment as well as low intensity infrared
heating equipment of the type specified herein.
1.4 - DELIVERY AND STORAGE
1.4.1 Materials shall be shipped in the manufacturers
standard protective packaging to the designated site.
1.4.2 The installing contractor is responsible for receiving, unloading and
storage of materials. Storage shall be in dry locations free from dust and water and
available for inspection and handling. Handle equipment carefully to prevent damage.
Remove damaged items that cannot be restored to like new condition and replace with new
items.
PART 2 - PRODUCT
2.1 - BURNERS
2.1.1 Burners shall be capable of firing at
70,000 BTU/hr, 105,000 BTU/hr or 125,000 BTU/hr inputs, with #2 fuel oil utilizing a
"Riello" burner assembly.
2.1.2 Burner power requirements 115 Volt, 60 Hz AC 1.3 amp
2.1.3 Burner(s) are shipped as, and intended to be installed as a "Two
Pipe" system.
2.1.4 Burners shall include the following features:
a) Fitted with a 4" diameter combustion air inlet with a fixed combustion
air-metering orifice.
b) Burners shall be fitted a differential air pressure switch so as to prove
adequate combustion air is present before burner fires.
c) Burners shall be fitted with solid state electronic controls with spark ignition
& 100% lockout in event of low fire or main flame failure.
d) Burner(s) shall have a minimum 15-second pre-purge before ignition.
e) Burner(s) shall have a combustion chamber assembly with outer casing to be
constructed of 16 Ga. aluminized steel.
f) Industrial grade inspection window for visual inspection of spark and flame.
2.1.5 Burner(s) and vacuum exhauster
electrically interlocked.
2.2 - VACUUM EXHAUSTER
2.2.1 Dynamically balanced forward inclined fan wheel
constructed of stainless steel with a cast iron hub.
2.2.3
Direct Drive.
2.2.4 Inlet cone and venturi plate engineered for maximum efficiency.
2.2.5 16 gauge aluminized steel housing and mounting bracket to be powder coated.
2.2.6 Motor to be one quarter (1/4) HP (115V, 3.5 amp), one half (1/2) HP dual
voltage (115/230V 6.2/3.1 Amps) or one (1) HP dual voltage (115/230 V 12/6 Amps) - 3450
RPM, 60 Hz capacitor start internally protected, class B insulation. Sealed ball bearings
front and rear.
2.2.7 Vibration isolating rubber mounts.
2.2.8 Stainless steel bird screen on side wall venting.
2.2.9 Three and one half inch (3.5") Stainless steel, insulated flexible
vibration isolation connector.
2.3 - SYSTEM CONTROLS
2.3.1 Optional thermostat,
115V, 16 amp rating.
2.3.2 Each system, which includes a vacuum exhauster and burner(s), shall be
wired so that they are electrically interlocked and controlled by thermostat action.
2.3.3 Control panel with approximately 30 seconds pre & post purge.
2.4 - RADIANT TUBE HEAT EXCHANGING NETWORK
2.4.1 Combustion tube shall be 10' long 16 gauge
aluminized steel 3.5" OD swaged one end.
2.4.2 Balance of radiant tubing shall be constructed of patented, spiral wound 22
gauge aluminized steel, 3.5" OD.
2.4.3 Elbows and tube coupler to be made of min. 18 gauge-aluminized steel,
swaged at both ends so as to fit into 3.5" spiral tube.
2.4.4 Reflectors to be made of minimum 0.025 bright aluminum.
2.4.5 Tubing and reflector hangers to be made of 0.25" Dia. Zinc plated CRS.
2.4.6 All joints to be sealed and mechanically fastened with self drilling and
tapping screws.
2.4.7 All radiant tubing to be continuously covered by the reflector , i.e.
radiant tube elbows, "U' bends and fittings to be covered by reflectors -- NO GAPS
BETWEEN REFLECTORS. Reflectors are to be overlapped a minimum of one-inch (1") and
secured together with sheet metal screws allowing for one unsecured overlap joint for
expansion on each straight run exceeding ten feet (10').
2.4.8 Minimum length of radiant tubing per 100,000 Btu/hr of input shall be 60
lineal feet.
2.4.9 The maximum firing rate shall be 2000 Btu/hr per square foot of radiant
tubing surface area. The total radiant tubing surface area is the radiant tubing which is
covered by reflectors and associated with one vacuum exhauster.
2.5 - COMBUSTION AIR
2.5.1 Outside combustion air (if used) is to be
provided without the use of supplementary supply blowers or fans.
2.5.2 Outside combustion air ducting to be minimum of 4" OD (S&D PVC or
galvanized stovepipe).
2.6 - SYSTEM PERFORMANCE
2.6.1 System shall attain a net exhaust temperature
of not less than 200°F in a 15 min. run cycle and shall not exceed a maximum net
temperature of 325°F.
2.6.2 System STEADY STATE EFFICIENCY shall be a minimum of 82%, maximum 87%. The
system cyclic efficiency shall be a minimum of 85%, maximum 91% (this is based on a 15
min. run time).
2.6.3 System shall be a non-condensing dry tube system. i.e. - After a minimum
run time of 8 min. all condensation will cease and moisture will exit the system in a
vapor state.
PART 3 - EXECUTION
3.1 - INSTALLATION
3.1.1 Power Requirements: It is the
installers' responsibility to verify the correct power requirements for the project.
3.1.2 Fuel Oil Supply and Distribution:
a) It is strongly recommended that the burner assemblies be operated as a
"two pipe" system.
b) Each burner assembly is to be fitted with fusible valves and oil filters.
c) Clean, filtered fuel oil is to be used.
d) A suitable oil distribution system such as a 'Day Tank" system is to be
utilized.
3.1.3 Assembly: Assemble and install the heating system in accordance with
the installation manual and shop drawings.
3.1.4 Cleaning: Clean reflectors as may be required and touch up painted surfaces
as may be needed.
3.1.5 Testing: Upon completion of installation, including work by other trades,
adjust and test the heating system in accordance to the manufacturer's owners manual.
Adjust and re-test heating system until entire installation is fully operable and
acceptable.
END OF SECTION
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