15750-1
SECTION 15750
HOT WATER COILS
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work Included: Provide and install hot water heating coils of the types, sizes and
B.
capacities shown on the drawings.
Related Work Specified Elsewhere: "HVAC - General" is specified in this division.
1.2 QUALITY ASSURANCE
A.
B.
Verification of Operating Data: Capacities, pressure drops and selection procedures
shall be certified in accordance with ARI Standard 410.
Tests - All coils shall be proof tested at 1.5 times maximum working pressure, then
leak tested at maximum working pressure. Minimum test pressures are 300psig proof
test and 200psig leak test.
Acceptable Manufacturers:
1. USA Coil & Air
2. American Air Filter
3. Durham-Bush
4. McQuay, Inc.
5. Trane Company
6. Or approved equal.
1.3 SUBMITTALS TO THE ENGINEER
A.
Shop Drawings shall be submitted as required by the general conditions. Shop
drawings shall consist of, but not be limited to, the following:
1. Manufacturer's certificate of operating data for each coil.
2. Dimensional data for each coil.
PART 2 - PRODUCTS
2.1 MATERIALS
A.
B.
Tubes - Round 5/8-inch copper tubes expanded into full fin collars for permanent fin-
tube bond and expanded into cast iron headers for permanent leak-tight joint.
Fins - Configurated, plate-type aluminum or copper fins with full fin collars for
maximum fin-tube contact and accurate spacing, mechanically bonded to tubes for
permanent fin-tube bond.
Casings - 16-gauge galvanized steel casings, center and end supports are provided on
all coils with header heights 33 inches or less.
Headers - Gray cast iron (finely dispersed graphite, peralitic) for 12 through 33-inch
header heights.
13089K