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A3C Series Condensing Hydronic Boilers
Models: A3C-1000, A3C-1500, A3C-2000, A3C-2500
A3C-3000, A3C-4000, A3C-5000, A3C-6000
ALDRICH SERIES A3C FIRETUBE CONDENSING HYDRONIC BOILERS
PART 1 – GENERAL
1.1
SUMMARY
A. This section includes packaged, factory-fabricated and assembled, gas-fired, three pass
condensing firetube boilers, trim, and accessories for generating hot water for pressure as
noted on plans.
1. Three pass firetube condensing boiler
2. Burner - Specify Fuel: Natural Gas, LP Gas or Combination Gas/#2 Oil
1.2
SUBMITTALS
A. Product Data: Include performance data, operating characteristics, furnished specialties,
and accessories.
B. Shop Drawings: For boilers, boiler trim, and accessories; Include plans, elevations, sections,
details, and attachments to other work.
1. Wiring Diagrams: Power, signal, and control wiring.
2. Fuel Train Schematic
1.3
CLOSEOUT SUBMITTALS
A. Operation and Maintenance Data: For boilers, components, and accessories to include in
emergency, operation and maintenance manuals.
B. Warranties: As specified in this section.
1.4
QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100, by a testing agency acceptable to authorities having jurisdiction.
B. ASME Compliance: Fabricate and label boilers to comply with ASME Section IV Boiler and
Pressure Vessel Code.
C. ASHRAE/IESA 90.1 Compliance: Boilers shall have minimum efficiency according to: Gas and
Oil Fired Boilers – Minimum Efficiency Requirements."
D. UL Compliance: Control devises and control sequences according to requirements of UL.
E. CSD-1 Compliance: Boilers/burners equipped to meet current state code.
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Table of Contents
Summary of Contents for Aldrich A3C-1000
- Page 1 A3C Series Condensing Hydronic Boilers Models: A3C-1000, A3C-1500, A3C-2000, A3C-2500 A3C-3000, A3C-4000, A3C-5000, A3C-6000 ALDRICH SERIES A3C FIRETUBE CONDENSING HYDRONIC BOILERS PART 1 – GENERAL SUMMARY A. This section includes packaged, factory-fabricated and assembled, gas-fired, three pass condensing firetube boilers, trim, and accessories for generating hot water for pressure as noted on plans.
- Page 2 A. Basis of Design Product: Subject to compliance with requirements, provide products as listed: 1. Aldrich Company – Manufactured in Wyoming, IL, Model: A3C- B. The boiler must be manufactured by a company having at least ten (10) years documented boiler manufacturing experience in accordance to ASME Section IV Boiler and Pressure Vessel Code.
- Page 3 F. Maximum allowable working pressure (Specify Pressure): 30, 80 or 160 PSIG G. U-Type Flex Joint: The furnace must incorporate a “U-Type” flex joint. The “U-Type” flex joint burner port to furnace minimizes the effects of differential stress as the boiler furnace expands at a greater rate than the firetubes during operation.
- Page 4 2.3 BURNER A. Basis of Design Product: Subject to compliance with requirements, provide products as listed: 1. Power Flame – Model: with a minimum turndown of 10:1 B. Code Compliance: UL, CSD-1 C. Burner must be factory mounted and wired including burner control panel. D.
- Page 5 B. Examine mechanical spaces for suitable conditions where boilers will be installed. C. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 BOILER INSTALLATION A. Equipment Mounting: Install boilers on cast-in-place concrete equipment bases. 1. Coordinate sizes and locations of concrete bases with actual equipment provided. 2.
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