HomeMy WebLinkAbout15529.pdf BICKFORD OF CARMEL, IN 12/12/2012
FURNACES AND COILS 15529-1
SECTION 15529
FURNACES AND COILS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS:
A. Drawings and general provisions of Contract, including General and
Supplementary Conditions and Division-1 Specification sections, apply to work of
this section.
1.2 SUBMITTALS:
A. Product Data: Submit manufacturer's technical product data, including rated
capacities of selected model clearly indicated, dimensions, required clearances,
weights, furnished specialties and accessories; and installation and start-up
instructions. Submit data for:
1. Gas-Fired Furnaces
2. Cooling Coils
1.3 QUALITY ASSURANCE:
A. Codes and Standards: Gas-fired furnace construction shall be in accordance with
AGA safety standards. Furnace shall bear the AGA label. Solid state ignition
modules shall have a three year warranty. Cooling coils shall be ARI Certified
and listed.
PART 2 - PRODUCTS
2.1 Available Manufacturers: Subject to compliance with requirements, manufacturers
offering units which may be incorporated in the work include, but are not limited to, the
following:
Bryant
Lennox Industries, Inc. (design based on this brand)
Carrier Corp.
Trane Co.
Rheem Co.
2.2 General Description: Units shall be factory-assembled and tested, designed for vertical
and/or multi-position installation. Capacities and electrical characteristics are as
indicated.
2.3 FURNACE UNITS:
A. Combustion Efficiencies shall be minimum 90% AFUE or as noted in schedules.
B. Heat Exchanger: Heat exchanger shall be a combination of stainless steel and
aluminized steel. Hot surface ignition with remote pilot sensor and complete with
draft inducer motor.
C. Cabinet: Heavy gauge cold rolled sheet steel construction with baked on enamel
paint finish. 1-1/2 lb. density heat exchanger insulation, service access panels
with blower section safety interlock switch, leveling bolts.
BICKFORD OF CARMEL, IN 12/12/2012
FURNACES AND COILS 15529-2
D. Blower: Multiple speed motor, direct-drive blowers, statically and dynamically
balanced and resiliently mounted.
E. Air Filter: Washable frame type filter of polyurethane media coated with oil or
throw-away type.
F. Thermostat: Provide Heat-Cool programmable 7-day, 5/2 day or 5/1 day
programming, Lennox “SignatureStat” or equal.
G. Accessories: Wiring junction box, fan and limit controls, cooling/heating relay
and transformer, combustion flue condensate trap assembly and filter frame
assembly, as required or noted.
H. Cooling Coils Materials: Copper tubes and headers with aluminum fins bonded
to the tube. Fin spacing not to exceed 18 fins per inch. All coils encased in
factory insulated Cabinets and provided with refrigerant thermal expansion valve.
I. Drain Pan: Provide coated galvanized steel drain pans.
J. Drain Piping: Provide copper or rigid PVC drain piping from drain pan to indirect
waste connected as noted. Provide 2-inch deep-seal p-trap in each drain
standpipe (or deeper if recommended by coil manufacturer).
K. Coil Configuration: Coils shall be for up-flow or down-flow as required for the
furnaces.
L. Gas Vent: Gas vent shall be PVC, size as recommended by furnace
manufacturer and allowable by NFPA 54 and local codes.
M. Combustion Air: Combustion air pipe shall be PVC, size as recommended by
furnace manufacturer and allowable by NFPA 54 and local codes.
PART 3 - EXECUTION
3.1 INSTALLATION:
A. General: Install furnace units in accordance with manufacturer's installation
instructions. Install units plumb and level and maintain manufacturers
recommended clearances.
B. Provide controls, relays, outside-air damper and 24 volt motor operator for
outside-air ducts to each furnace. See Sequence of Controls for operations.
C. Gas Vent Installation: Installation shall meet the requirements of the
manufacturer and NFPA. Terminate with approved type weatherproof cap or
pipe fittings as recommended by furnace manufacturer.
D. Start-Up Services: Provide a factory trained and authorized representative to
service and start-up the furnaces and cooling systems, and provide the Owner
with operating and maintenance instructions.
END OF SECTION