SECTION 15630

SOLAR ENERGY DEVICES

PART 1 GENERAL

WORK INCLUDED

Solar Collectors.

Controls.

Pipe and pipe fittings.

Valves.

Pumps.

Cleaning and chemical treatment of systems.

RELATED WORK

Section 15242 - Vibration Isolation.

Section 15260 - Piping Insulation.

Section 15890 - Ductwork.

Section 16180 - Equipment Wiring Systems.

REFERENCES

ANSI/ASME Sec 8D - Boiler and Pressure Vessel Code.

ANSI/ASME B31.9 - Building Services Piping.

ANSI/AWWA C105 - Polyethylene Encasement for Ductile Iron Piping for Water and Other Liquids.

ASHRAE 93 - Methods of Testing to Determine the Thermal Performance of Solar Collectors.

ASHRAE 96 - Methods of Testing to Determine the Thermal Performance of Unglazed Flat-Plate Liquid-Type Solar Collectors.

ASTM A53 - Pipe, Steel, Black and Hot-Dipped Zinc Coated, Welded and Seamless.

ASTM A120 - Pipe, Steel, Black and Hot-Dipped Zinc Coated (Galvanized), Welded and Seamless, for Ordinary Uses.

ASTM B88 - Seamless Copper Water Tube.

ASTM D1785 - Poly (Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80, and 120.

ASTM D2241 - Poly (Vinyl Chloride) (PVC) Plastic Pipe (SDR-PR).

ASTM D2310 - Machine-Made Reinforced Thermosetting Resin Pipe.

ASTM D3309 - Polybutylene (PB) Plastic Hot - and Cold -Water Distribution Systems.

ASTM F845 - Plastic Insert Fittings for Polybutylene (PB) Tubing.

REGULATORY REQUIREMENTS

Conform to ANSI/ASME B31.9.

QUALITY ASSURANCE

Valves: Manufacturer's name and pressure rating marked on valve body.

Manufacturer: For each product specified, provide components by same manufacturer throughout.

SUBMITTALS

Submit product data under provisions of Section [01300] [______].

Shop Drawings: Provide for manufactured assemblies. Indicate system and controls schematics. Indicate solar collector installation, layout, weights, mounting and support details, and piping connections.

Product Data: Provide data on specialties, including manufacturers catalogue information. Indicate chemical treatment materials, chemicals, and equipment. Submit certified pump performance and NPSH curve. Submit performance ratings for solar collectors, roughin details, weights, support requirements, and piping connections.

Operation and Maintenance Instructions: Include installation instruction, spare parts lists, procedures, and treatment programs.

Submit manufacturer's field report on start-up of treatment systems and include analysis of system water after cleaning and treatment.

DELIVERY, STORAGE, AND HANDLING

Deliver products to site under provisions of Section [01600.] [01610.]

Store and protect products under provisions of Section [01600.] [01620.]

Deliver and store solar collectors in shipping containers and maintain in place until installation. Provide caps on piping connections.

Deliver and store valves in shipping containers with labelling in place.

MAINTENANCE SERVICE

Furnish service and maintenance of [treatment] systems for one year from Date of Substantial Completion.

Provide [monthly] [__________] technical service visits to perform field inspections and make water analysis on site. Detail findings in writing. Submit two copies of report after each visit.

EXTRA MATERIALS

Furnish under provisions of Section [01700] [______].

Provide one extra set of mechanical seals for pumps.

Provide sufficient chemicals for treatment and testing during warranty period.

PART 2 PRODUCTS

SOLAR COLLECTORS

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Construction: Unit consisting of [manufacturers standard] [custom] assembly of frame, cover, back cover with insulation, absorber plate assembly, and accessories.

Frame:

Aluminum: Extrusion shapes including I-beam, top battens, double battens, strips, channels, or angles, assembled with [stainless steel] [cadmium plated steel] screws with self sealing neoprene washers.

Steel: Galvanized, formed into appropriate shapes and assembled with [stainless steel] [cadmium plated steel] screws with self sealing neoprene washers.

Wood: Frame as detailed with aluminum extrusions and assembled with [stainless steel] [cadmium plated steel] screws [and galvanized nails] with self sealing neoprene washers.

Cover:	Fiberglas reinforced polymer sheet.

Solar energy transmittance: [86] [____] percent at 0 degree angle of incidence.

Heat transmittance: ([______] Btu/hr x sq ft x degree

Fahrenheit) ([_________] W/sq m x K).

Index of refraction: [1.55] [_____].

Tensile strength: [10,000] [________] psi ([68,950] [_________] kPa).

Flexural strength: [17,150] [________] psi ([118,250] [_________] kPa).

Flexural modulus: [1,000,000] [________] psi ([689,500] [_________] kPa).

Shear strength: [12,800] [________] psi ([88,250] [_________] kPa).

Water absorbtion: [0.6] [____] percent by weight.

Thermal expansion: [1.36] [_____] in/in/degree Fahrenheit ([_____] [_____] mm/mm/degree C).

Thermal conductivity: [0.713] [______] BTU/hr sq ft degree Fahrenheit /in ([_____] [_____] W/sq meter).

Weight: [2.8] [3.8] [4.7] [____] oz/sq ft ([855] [1160] [1435] [____] kg/sq meter).

Thickness: [0.025] [0.040] [0.060] [______] inches ([0.06] [0.10] [0.15] [_____] mm).

Nominal size: [___] x [___] inches ([___] x [___] mm).

****** [OR] ******

Cover:	Fiberglass reinforced polymer sheet panel.

Solar energy transmittance: [77] [____] percent at 0 degree angle of incidence.

Heat transmittance: ([______] Btu/hr x sq ft x degree

Fahrenheit) ([_________] W/sq m x K).

Light transmittance: [84] [____] percent.

Thermal expansion: [0.0000136] [_____] in/in/degree Fahrenheit ([_____] [_____] mm/mm/degree C).

Thickness: [0.5] [1.5] [______] inches ([13] [38] [_____] mm).

Service temperature limit: [200] [____] degrees F ([93] [____] degrees C).

Nominal size: [___] x [___] inches ([___] x [___] mm).

Back Cover: [Galvanized steel] [Plywood] [with 2 inch (50 mm) thick rigid fiber glass insulation].

Plate and Tube Assembly:	EPDM extruded matt with integral water passages on 0.75 inch (19 mm) centers, in 4.4 inch (112 mm) widths, in continuous lengths to 600 feet (183

meters).

****** [OR] ******

Plate and Tube Assembly:	Copper sheet bonded to copper tubes.

Tubes: 0.375 diameter, 0.013 inch [0.016 mm] wall, copper.

Sheet: 0.0032 to 0.0035 inch ([0.081 to 0.089] mm) thick copper alloy sheet.

Working pressure: 150 psig (1034 kPa).

Paint: Selective absorptivity - 0.94, emissivity -0.47.

Construction: Tubes brazed to header, sheet soldered to tubes.

Headers: [0.75 inch (20 mm)] [1.0 inch (25 mm)] Type M copper tube.

Sheet width: [22] [34] [44] inches ([560] [860] [1120] mm).

Sheet length: [94] [____] inches ([2390] [____] mm).

Area: [14.4] [22.2] [28.7] sq ft ([1.34] [2.06] [2.67] sq meters).

****** [OR] ******

Plate Assembly: [Copper] [Aluminum] sheet with [textured] [Vcorrugations].

Sheet: [0.0032 to 0.0035] [0.005] [______] inch ([0.081 to 0.089] [0.127] [______] mm) thick [copper alloy] [aluminum] sheet.

Paint: [Selective absorptivity - 0.95, emissivity -0.86] [Black chrome absorptivity - 0.95, emissivity -0.11].

Sheet width: [22] [24] [___] inches ([560] [610] [____] mm).

Sheet length: [36] [48] [120] [____] inches ([915] [1220] [3050] [____] mm).

DIFFERENTIAL CONTROLLERS

Manufacturers:

[_________________________]

[_________________________]

[_________________________]

Description:	Solid state differential temperature thermostat with two low resistance thermistors and SPDT relay contactor, and field adjustable differential.

Functions:

Standard: When collector [outlet] temperature exceeds storage temperature, close contacts.

Ambient Override: When collector temperature is less than 80 degrees F (26 degrees C), open contacts.

Freeze Recirculation: When collector temperature drops below 42 degrees F (5.5 degrees C), close contacts and open at 52 degrees F (11 degrees C).

High Limit Off: When storage temperature rises above 160 degrees F (71 degrees C), open contacts.

Model: [_____________] manufactured by [________________].

THERMOSTATS

Manufacturers:

[_________________________]

[_________________________]

[_________________________]

Electric Thermostat:	Low voltage type [with setback/setup temperature control] for [heating only.] [cooling and heating.]

Line Voltage Thermostats: Integral manual On/Off/Auto selector switch, maximum dead band of 2 degrees F (one degree C) concealed temperature adjustment, and locking cover, rated for [motor] load, single or two pole as required.

Model: [_____________] manufactured by [________________].

PIPING

Steel Pipe: ASTM A53 or A120, Schedule 40, black.

Fittings: Malleable iron or forged steel.

Joints: Screwed or welded.

Steel Pipe (Buried): ASTM A53 or A120, Schedule 40, black.

Fittings: Malleable iron or forged steel.

Joints: Screwed or welded.

Jacket: ANSI/ASME C105 polyethylene, or double layer, half-lapped 10 mil (0.25 mm) polyethylene tape.

Insulation: [____] inch ([_____] mm) thick Polyurethane insulation with high density polyethylene jacket and heat shrink sleeves.

Copper Tubing: ASTM B88, Type [M,] [L,] hard drawn.

Fittings: Cast brass or wrought copper.

Joints: Grade 95TA solder joints.

Copper Tubing (Buried): ASTM B88, Type [K,] [L,] [M,] [hard drawn] [annealed].

Fittings: Cast brass or wrought copper.

Joints: Flared compression or Grade 95TA solder.

Insulation: [_____] inch ([_____] mm) thick polyurethane insulation with high density polyethylene jacket and heat shrink sleeves.

PVC Pipe: ASTM D1785, Schedule 40 or ASTM D2241, SDR 21 or 26, solvent weld joints.

RTR Pipe: ASTM D2310, fiberglass reinforced thermosetting resin plastic.

Fittings: Fiberglass reinforced epoxy.

Joints: Hub-and-spigot with rubber gaskets, or union or flanged couplings.

Polybutylene Pipe:	ASTM D3309.

Fittings: Brass or Copper [,ASTM F845 polybutylene].

Joints: ASTM D3309 and ASTM F845 crimp rings.

GATE VALVES

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Up to 2 Inches (50 mm): Bronze body, bronze trim, non-rising stem, handwheel, inside screw, single wedge or disc, [solder or] threaded ends.

Over 2 Inches (50 mm): Iron body, bronze trim, rising stem, handwheel,OS&Y, single wedge, flanged or grooved ends.

GLOBE VALVES

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Up to 2 Inches (50 mm): Bronze body, bronze trim, rising stem and handwheel, inside screw, renewable composition disc, [solder or] screwed ends, with backseating capacity.

Over 2 Inches (50 mm): Iron body, bronze trim, rising stem, handwheel, OS&Y, plug-type disc, flanged ends, renewable seat and disc.

BALL VALVES

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Up to 2 Inches (50 mm): Bronze or stainless steel one piece body, stainless steel ball, teflon seats and stuffing box ring, lever handle, [solder or] threaded ends.

Over 2 Inches (50 mm): Cast steel body,chrome plated steel ball, teflon seat and stuffing box seals, lever handle, flanged.

BUTTERFLY VALVES

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Iron body, bronze or stainless steel disc, resilient replaceable seat for service temperature, wafer or lug ends, extended neck, 10 position lever handle.

SWING CHECK VALVES

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Up to 2 Inches (50 mm): Bronze swing disc, solder or screwed ends.

Over 2 Inches (50 mm): Iron body, bronze trim, swing disc, renewable disc and seat, flanged ends.

RELIEF VALVES

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Bronze body, teflon seat, stainless steel stem and springs, automatic, direct pressure actuated, capacities ASME certified and labelled.

DIAPHRAGM-TYPE COMPRESSION TANKS

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Construction: Welded steel, tested and stamped in accordance with Section 8D of ANSI/ASME Code; rated for working pressure of 125 psig (860 kPa), with flexible diaphragm sealed into tank, and steel legs or saddles.

Automatic Cold Water Fill Assembly: Pressure reducing valve, reduced pressure double check back flow preventer, test cocks, strainer, vacuum breaker, and valved by-pass.

Pressure Relief Valve:	[_____] psi ([_____] kPa).

Pressure Reducing Valve: [_____] psi ([_____] kPa).

Accessories: Pressure gage and air-charging fitting.

Size: [_____] diameter, [_____] overall length, [_____] capacity.

AIR VENTS

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Manual Type: Short vertical sections of 2 inch (50 mm) diameter pipe to form air chamber, with 1/8 inch (3 mm) brass needle valve at top of chamber.

Float Type: Brass or semi-steel body, copper float, stainless steel valve and valve seat; suitable for system operating temperature and pressure; with isolating valve.

STRAINERS

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Size 2 inch (50 mm) and Under: Screwed brass or iron body for 175 psig (1200 kPa) working pressure, Y pattern with 1/32 inch (0.8 mm) stainless steel perforated screen.

Size 2-1/2 inch (65 mm) to 4 inch (100 mm): Flanged iron body for 175 psig (1200 kPa) working pressure, Y pattern with 3/64 inch (1.2 mm) stainless steel perforated screen.

Size 5 inch (125 mm) and Larger: Flanged iron body for 175 psig (1200 kPa) working pressure, basket pattern with 1/8 inch (3.2 mm) stainless steel perforated screen.

CONTROL VALVES

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

Angle or straight pattern, rising stem, globe valve for 125 psig (860 kPa) working pressure, with bronze body and integral union for screwed connections, renewable composition disc, general purpose solenoid enclosure with continuous duty coil.

PUMPS

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

General Construction Requirements

Balance: Rotating parts, statically and dynamically.

Construction: To permit servicing without breaking piping or motor connections.

Motors: Operate at 1750 rpm unless specified otherwise.

Connections: Flanged.

In-Line Circulators

Type: Horizontal shaft, single stage, direct connected to [multiple speed] motor for in-line mounting, [oil] [water] lubricated, for [125] [_____] psig ([860] [_____] kPa) maximum working pressure.

Construction: [[Cast iron] [Bronze] casing, [cadmium plated steel] [bronze] impeller keyed to alloy steel shaft, oil lubricated bronze sleeve bearings] [Stainless steel housing impeller and shaft] [Bronze body, thermoplastic impeller] [Thermoplastic body and impeller].

Close Coupled Pumps

Type: [Horizontal] [Vertical] shaft, single stage, close coupled, radially split casing, for [125 psig (860 kPa)] [175 psig (1200 kPa)] maximum working pressure.

Construction: Cast iron casing with suction and discharge gage ports, renewable bronze casing wearing rings, seal flush connection, drain plug, flanged suction and discharge, bronze, fully enclosed impeller keyed to motor shaft extension, [mechanical] [packed] seal.

Performance:

Flow Capacity [_____] gal/min ([_____] L/sec) at [_____] feet ([_____] kPa) head.

Motor:	[_____] hp, [_____] volt, [single] [three] phase, 60 Hz.

TANKS

Manufacturers:

[_________________________]

[_________________________]

[_________________________]

Tank: 0.188 inch (4.8 mm) thick steel internally lined with epoxy lining 0.01 inch (0.025 mm) thick, and painting on exterior with primer. Continuous weld and grind joints smooth. Brace externally around perimeter. Slope floor towards drain nozzle. Support floor with flat bars spaced as required. Flange external connections larger than 2 inches (50 mm).

Tank: Reinforced fiberglass for 50 psi (345 kPa) working pressure with gasketted cover, fittings, and trappings for accessories, [_____] inches ([_____] mm) diameter, [_____] inches ([_____] mm) high, [_____] gallon ([_____] L) volume.

Model:	[________] manufactured by [___________________].

CHEMICAL TREATMENT

Manufacturers:

[_________________________] Model [_________].

[_________________________] Model [_________].

[_________________________] Model [_________].

System Cleaner: Liquid alkaline compound with emulsifying agents and detergents.

Closed System Treatment (Water):

Sequestering agent to reduce deposits and adjust pH.

Corrosion inhibitors.

Conductivity enhancers.

Open System Treatment:

Sequestering agent to inhibit scaling and corrosion inhibitor.

Algaecide.

By-pass (Pot) Feeder: [Two quart] [6.0 gal] ([1.9] [22.7] with quick opening cap.

Drip Feeder: Plastic reservoir with coil of capillary tubing with probe, weight, charging syringe, and clip.

CABINET FANS

Manufacturers:

[_________________________]

[_________________________]

[_________________________]

Fan Unit: Direct driven, centrifugal with forward curved wheel in galvanized steel housing [resilient mounted motor] [gravity backdraft damper in discharge].

Performance

Air Flow: [_____] cfm ([_____] L/sec) at [_____] in wg ([_____] Pa).

Motor: [_____] hp, [_____] volt, [single] [three] phase, 60 Hz.

Model:	[_____________]manufactured by[_________________________].

PART 3 EXECUTION

PREPARATION

Ream pipe and tube ends.	Remove burrs. [Bevel plain end ferrous pipe.]

Remove scale and dirt on inside and outside before assembly.

Prepare piping connections to equipment with flanges or unions.

After completion, fill, clean, and treat systems. Refer to Section [___________.]

INSTALLATION

Install equipment in accordance with manufacturers instructions.

Route piping in orderly manner, plumb and parallel to

building structure, and maintain gradient.

Install piping to conserve building space,and not interfere with use of space and other work. Group piping whenever practical at common elevations.

Install piping to allow for expansion and contraction without stressing pipe, joints, or connected equipment. Refer to Section 15121.

Provide clearance for installation of insulation, and access to valves and fittings.

Provide access where valves and fittings are not exposed. [Coordinate size and location of access doors with Section 08305.]

Slope piping and arrange systems to drain at low points. Use eccentric reducers to maintain top of pipe level.

Where pipe support members are welded to structural building framing, scrape, brush clean, and apply one coat of zinc rich primer to welding.

Prepare pipe, fittings, supports, and accessories for finish painting. Refer to Section 09900.

Install valves with stems upright or horizontal.

Support tanks inside building from building structure.

Provide valved drain and hose connection on strainer blow down connection.

Select system relief valve capacity so that it is greater than make-up pressure reducing valve capacity. Select equipment relief valve capacity to exceed rating of connected equipment. Pipe relief valve outlet to nearest floor drain.

Ensure pumps operate at specified system fluid temperatures without vapor binding and cavitation, are non-overloading in parallel or individual operation, and operate within 25 percent of midpoint of published maximum efficiency curve.

Change line size with reducing fittings.	Support piping adjacent to pump such that no weight is carried on pump casings.

Provide line sized shut-off valve and strainer on pump suction, and line sized check valve and balancing valve on pump discharge. Provide air cock and drain connection on horizontal pump casings.

Install unions downstream of valves and at equipment or apparatus connections.

Install thread brass male adapters each side of valves in copper piped system. Sweat solder adapters to pipe.

Install [gate] [ball] [butterfly] valves for shut-off and to isolate equipment, part of systems, or vertical risers.

Install [globe] [ball] [butterfly] valves for throttling, bypass, or manual flow control services.

Provide 3/4 inch (20 mm) [gate] [ball] drain valves at main shut-off valves, low points of piping, bases of vertical risers, and at equipment. [Pipe to nearest drain.]

Provide [manual] [automatic] air vents at system high points. [Provide vent tubing to nearest drain.]

Provide relief valves on system at expansion tanks.

Connect air collectors and fans with flexible connectors and ductwork. Refer to Section 15890.

CLEANING SEQUENCE

After completion, fill, start, and vent prior to cleaning. Use water meter to record capacity in each system. Place terminal control valves in open position during cleaning.

Add cleaner to closed systems at concentration as recommended by manufacturer.

Circulate for 48 hours, then drain systems as quickly as possible. Refill with clean water, circulate for 24 hours, then drain. Refill with clean water and repeat until system cleaner is removed.

Use neutralizer agents on recommendation of system cleaner supplier and approval of Architect/Engineer.

Flush open systems with clean water for one hour minimum. Drain completely and refill.

Remove, clean, and replace strainer screens.	Inspect, remove sludge, and flush low points with clean water after cleaning process is completed. Include disassembly of components as required.

CLOSED SYSTEM TREATMENT

Provide one bypass feeder on each system. Install isolating and drain valves and necessary piping. Install around globe valve downstream of circulating pumps unless indicated otherwise.

Introduce closed system treatment through bypass feeder when required or indicated by test.

OPEN SYSTEM TREATMENT

Provide [two] [_____] glass mesh feeder bags per unit, suspended in sump, filled with sequestering agent.

Provide drip feeder to feed sequestering agent into sump. Solenoid valve on drip system shall be interlocked with circulating pump.

Provide 1/2 inch (13 mm) bleed-off complete with globe valve piped to drain. Locate bleed-off above flood line.

SOLAR PANEL SCHEDULE

Drawing_Code	SP-1	SP-2	SP-3

Manufacturer

Model

Location

Frame

Cover

Back Cover

Plate Assembly

Width

Height

PUMP SCHEDULE

Drawing_Code	P-1	P-2	P-3	P-4

Manufacturer

Model No.

Location

Service

Flow Capacity

Head

Minimum Efficiency

Seal Type

Motor Size

Motor Volt/Phase/Cycle

EXPANSION TANK SCHEDULE

Drawing_Code	TK-1	TK-2	TK-3

Location

Service

Capacity

Diameter

Length

FAN SCHEDULE

Drawing_Code	F-1	F-2	F-3

Manufacturer

Model

Location

Capacity

Static Pressure

Motor Size

Motor Volt/Phase/Cycle

END OF SECTION