Submitted for Approval · 6/23/2015 · 2. Unit shall be provided with a gas ignition system...

of 1

CONSULTING ENGINEERS

2007 SE Ash Street

Portland, OR 97214

503-234-0548 fax 503-234-0677 [email protected]

SUBMITTAL REVIEW

Project: Sunset H.S.

Architect: BLRB

Date: June 23, 2015 Job No.: 8972

We have completed our review of Central Station HVAC Units submittals and have the following comments:

237400 Central Station HVAC Unit

Item Mfg / Model Comment

1 ERU-1, ERU-2 Aaon/RN-016-3-0-0000-349 No exception taken to selection.

Provide operating and maintenance

data.

General Comments:

1. Checking is only for general conformance with the design concept of the project and general compliance with the information given in the contract documents. Any action shown is subject to the requirements of the plans and specifications. Contractor is responsible for: Dimensions which shall be confirmed and correlated at the job site; fabrication processes and techniques of construction; coordination of his work with that of all other trades; and the satisfactory performance of his work.

Sincerely, Laura Froelke MFIA, Inc.

Sunset High School 13840 NW Cornell Rd.

Portland, OR 97229

Pavilion Construction NW, LLC 4700 SW Macadam Ave. Portland, OR 97239 Phone: (503)290-5005 Fax: (503)244-1810 www.pavilionconstruction.com Page 1 of 1

To: BLRB ARCHITECTS, P.S. Date: 06/22/2015

Attn: RICHARD HIGGINS

1001 SW 5TH AVE., SUITE 1100 Contact Phone: 503-535-0707

PORTLAND, OR 97204 Contact Email: [email protected]

CC’d:

SUBMITTAL TRANSMITTAL FOR APPROVAL

Submittal #: 63 Rev.#: 0 In Accordance with Specification Section #: 237400

This is a submittal for Central Station HVAC Units items per the table below as reviewed and noted by Pavilion Construction NW, LLC, and provided by . Please provide a response to this submittal by 06/26/2015.

Pavilion Status: Sent/Submitted

Notes:

Submitted By: Riley Tobin Phone: (503)290-5005

Email Address: [email protected] Fax: (503)244-1810

SUBMITTAL RESPONSE

Architect’s Response Schedule Tracking Proceed Date Received from Sub/Sup 06/19/2015

Proceed, as noted Date Requested to be returned 06/26/2015

Revise and Resubmit Date Returned from Architect

Material Return without Review Date Returned to Sup/Sup

Comments:

rtobin

Sticky Note

Marked set by rtobin

rtobin

Pavilion Review

rtobin

Sticky Note

Accepted set by rtobin

rtobin

Sticky Note

Marked set by rtobin

rtobin

Accepted

rtobin

Text Box

Riley Tobin

rtobin

Text Box

06/22/15

laura.froelke

No ExceptionTaken

Sunset High School - Title IX and Upgrades Beaverton School District No. 48 BLRB Project No.: 14.84P

Permit SetMay 15, 2015

BLRB Architects - Portland, Oregon CENTRAL STATION HVAC UNTS MFIA, Inc. 23 74 00 - 1

SECTION 23 74 00 - CENTRAL STATION HVAC UNITS

PART 1 - GENERAL

1.1 DESCRIPTION

A. Provide Heating, Cooling, and Ventilating Equipment as specified herein and shown on the Drawings.

B. Equipment capacity and size shall be as indicated on the Drawings. C. Related Work: The requirements of Section 23 05 00, Common HVAC Materials and Methods, also

apply to this section.

1.2 QUALITY ASSURANCE

A. Air Handling Equipment: Rated in accordance with AMCA certified rating procedures and AMCA labeled.

B. Air Conditioning and Refrigeration Equipment Rating: Rated in accordance with ARI certified rating

procedures and ARI labeled. C. Gas-fired Equipment: Design certified by American Gas Association. D. Field Wiring: Comply with requirements of Section 23 05 00

1.3 SUBMITTALS

A. Submit catalog data, construction details and performance characteristics for each HVAC unit. B. Submit operating and maintenance data.

PART 2 - PRODUCTS

2.1 ROOFTOP HVAC UNIT WITH HEAT RECOVERY

A. Unit Performance 1. Unit cooling capacities shall be in accordance with and tested to ARI standard 210/240-89 or

360-85. 2. Units shall carry the ARI compliance label. 3. Unit MINIMUM cooling efficiency, including the standard supply air blower motor shall be as

shown on the plans. 4. Units shall be safety certified in accordance with UL Standard UL1995, and ANSI Standard

Z21.47. 5. Unit shall be safety certified by an accredited testing laboratory. 6. Unit nameplate shall carry the label of the certification agency. 7. Unit shall be shipped completely assembled by the manufacturer including all standard items

and optional items.

rtobin

Text Box

Included Pages 11-24. Specifications of product pages 25-33. Warranty 35.

rtobin

Text Box

Will be submitted with the O&M Manual Draft.

rtobin

Text Box

This is not a complete submittial, this is to allow for the ERU's to be ordered.




8. Unit shall be 100% run tested by the manufacturer with a copy of the run test report shipped with the unit.

B. Unit Construction:

1. Unit shall be completely factory assembled, piped, wired and shipped in one piece. 2. Unit shall be specifically designed for outdoor rooftop application with a fully weatherproof

cabinet. 3. Unit design shall be dedicated bottom supply / return air style system for mounting on a roof

curb. 4. Cabinet shall be constructed entirely of G90 galvanized metal with the exterior constructed of

18 gauge or heavier material and interior construction of 22 gauge or heavier solid liner. 5. The unit roof shall be cross-broken and / or sloped to assure drainage. 6. Access to compressor(s), controls, filters, blower, heating section, and other items needing

periodic checking or maintenance shall be through hinged access doors with a quarter turn latch (door fastening screws are not acceptable). Provide with door hold backs to prevent over extention.

7. Air side service access doors shall be fully gasketed with rain break overhangs. 8. Air side access doors will have an internal metal liner to protect the door insulation. 9. Unit exterior shall be painted with polyurethane paint over a primer and a G90 type galvanized

steel. 10. Paint finish shall be capable of withstanding at least 2000 hours, with no visible corrosive

effects, when tested in a salt spray and fog atmosphere in accordance with ASTM B 117-95 test procedure.

11. All wiring shall be color-coded. 12. The interior airside of the cabinet shall be entirely insulated on all exterior panels with 2" thick,

1.5-pound density, neoprene coated, fiberglass insulation or foam filled panels. 13. To guarantee no leakage of conditioned air from the cabinet all of the cabinet under positive

pressure, downstream from the supply air blower, shall have a separate internal cabinet contained within, and separate from, the exterior cabinet by an air gap. The internal cabinet shall be guaranteed to hold a static pressure of up to 12 inches water column.

14. All openings through the base pan of the unit shall have upturned flanges of at least 1/2" in height around the opening through the base pan.

15. Unit shall have decals and tags to indicate unit lifting - rigging, service areas and caution areas.

16. Wiring diagrams shall be in color and marked to match the color and markings of the wires and shall be both "point-to-point" and "ladder" diagrams.

17. Diagrams shall also be laminated in plastic and permanently fixed to the control compartment door.

18. Installation and maintenance manuals shall be supplied with each unit, located in a metal pocket in the control access compartment.

19. VFD equipped units shall have drives installed internally unless noted otherwise. The VFD may be installed in an environmentally controlled cabinet attached to the rooftop unit in a manner approved by the rooftop unit manufacturer. See Section 230500 for VFD specifications.

C. Blowers:

1. Blower(s) shall be entirely self-contained on a slide deck for service and removal from the cabinet.

2. Blowers, drives and motors shall be dynamically balanced to comply with 0.10 in/second for supply air fans and 0.15 in/second for return air fans. Provide certification or field test in presence of engineer.




D. Outside Air: Shall be 0-100% with a motor operated outside air damper constructed of extruded aluminum, hollow core, air foil blade with rubber edge seals and aluminum end seals. Damper blades shall be gear driven and designed to have no more than 4 CFM of leakage per square foot of damper area when subjected to 1" WG air pressure differential across the damper. Damper motor shall be spring return to ensure closing of outdoor air damper during periods of unit shut down or power failure. Coordinate with airflow measurement station manufacturer for placement of device.

E. Exhaust Fan Section:

1. Provide with unit mounted smoke detector. Detector shall include contacts for fan shut-down per code and axillary contacts to allow connection to building fire alarm system with relay module provided by other division.

F. Gas Heating Section:

1. Unit shall be provided with a gas-heating furnace consisting of stainless steel heat exchanger with multiple concavities, an induced draft blower and an electric pressure switch to lockout the gas valve until the combustion chamber is purged and combustion air flow is established. Heat exchanger tubes with separate internal turbulators are not acceptable.

2. Unit shall be provided with a gas ignition system consisting of an electronic ignitor to a pilot system, which will be continuous when the heater is operating, but will shut off the pilot when heating is not required.

3. Unit shall have gas supply piping entrances in the unit base for through the curb gas piping and in the outside cabinet wall for across the roof gas piping.

4. Unit shall be equipped with a Stainless Steel tubular heat exchanger with a 25-year non pro-rated warranty.

5. The completely factory mounted gas heating assembly shall be capable of operating at any firing rate between 100% and 30% of rated capacity. The discharge air set point shall be adjusted at the electronic controller within the rooftop unit control compartment. Burner control shall be a Honeywell 7800 series unit with digital read-out module. Heating control shall be capable of operation initiated by a 0 to 10 volt signal from a DDC control system.

G. Power Option:

1. Unit equipment shall be provided with a single disconnect switch with fusing. 2. Unit shall be provided with phase and brownout protection to shut down all motors in the unit if

the phases are more than 10% out of balance on voltage, or the voltage is more than 10% under design voltage.

3. Unit shall be provided with single point electrical connection with disconnect. H. Filters:

1. Unless otherwise noted, unit to be furnished with 2" pleated throw away supply air filters, see previous specification section.

2. Provide one complete extra set of filters for replacement once building flush out or construction is complete.

I. Roof Curbs: Provide with seismically rated non-plenum isolation curb approved by manufacturer for

all units. 1. Curb Mounted Spring Isolation Base:

a. Rooftop equipment shall be mounted on an integrated spring and weather seal curb arrangement that fits under the equipment to be isolated and over the curb. Top and bottom members shall be of extruded aluminum and shall be connected by a flexible, water-proof neoprene membrane. The aluminum members shall seal against the equipment and against the curb with continuous closed cell neoprene sponge.




b. Springs shall be cadmium plated and shall have a deflection as required by drawings with 50% additional travel to solid. Spring diameters shall be no less than 0.8 of the spring height at rated load. Wind resistance shall be provided by means of resilient snubbers in the corners with a minimum clearance of 1/4” so as not to interfere with the spring action except in high winds.

c. Curb shall be seismically rated for seismic zone where building is located. d. Submittals shall include spring deflections, spring diameters, compressed spring height

and solid spring height, seal material details and the design configuration of the entire base arrangement.

e. Vibrex, Thycurb, Amber Booth, Mason, Kinetics Noise Control. 2. Where required, provide perimeter angle and cross members to support two layers of 5/8"

sheet rock. Install two layers of 5/8" weatherproof sheet rock with staggered joints on the perimeter angle and cross members provided with the vibration isolator bases. Apply sheet rock around all ductwork above the roof and caulk all joints and seams. Provide additional acoustical materials as recommended by acoustical engineer. Mason Industries RSCA or approved.

J. Energy Recovery Wheel

1. The rooftop unit shall be provided with an AHRI certified rotary wheel air-to-air heat exchanger in a cassette frame complete with seals, drive motor and drive belt. The energy recovery wheel shall be an integral part of the rooftop unit with unitary construction and does not require field assembly. Bolt-on energy recovery units that require field assembly and section to section gasketing and sealing are not acceptable.

2. The wheel capacity, air pressure drop and effectiveness shall be AHRI certified per AHRI Standard 1060.Thermal performance shall be certified by the manufacturer in accordance with ASHRAE Standard 84, Method of Testing Air-to-Air Heat Exchangers and AHRI Standard 1060, Rating Air-to-Air Heat Exchangers for Energy Recovery Ventilation Equipment.

3. The rooftop unit shall be designed with a track so the entire energy recovery wheel cassette can slide out from the rooftop unit to facilitate cleaning.

4. The unit shall have 2ʺ Merv 7 filters for the outdoor air and exhaust air before the wheel to help keep the wheel clean and reduce maintenance. Filter access shall be by a hinged access door and exhaust air.

5. The wheel shall be wound continuously with one flat and one structured layer in an ideal parallel plate geometry providing laminar flow and minimum pressure drop-to-efficiency ratios. The matrix design shall have channels to reduce cross contamination between the outdoor air and the exhaust air. The layers shall be effectively captured in aluminum and stainless steel segment frames that provide a rigid and self-supporting matrix. All diameter and perimeter seals shall be provided as part of the cassette assembly and shall be factory set. Drive belt(s) of stretch urethane shall be provided for wheel rim drive without the need for external tensioners or adjustment.

6. The total energy recovery wheel shall be coated with silica gel desiccant permanently bonded without the use of binders or adhesives, which may degrade desiccant performance. The substrate shall be lightweight polymer and shall not degrade nor require additional coatings for application in marine or coastal environments. Coated segments shall be washable with detergent or alkaline coil cleaner and water. Desiccant shall not dissolve nor deliquesce in the presence of water or high humidity.

7. Wheels shall be provided with removable energy transfer matrix. Wheel frame construction shall be a welded hub, spoke and rim assembly of stainless, plated and/or coated steel and shall be self-supporting without matrix segments in place. Segments shall be removable without the use of tools to facilitate maintenance and cleaning.

8. Wheel bearings shall be selected to provide an L-10 life in excess of 400,000 hours. Rim shall be continuous rolled stainless steel. Wheels shall be connected to the shaft by means of taper lock hubs.

9. Aaon or Approved.




PART 3 - EXECUTION

3.1 INSTALLATION

A. Install and arrange equipment as shown on the Drawings and as recommended by the equipment manufacturer.

B. Piping: Refer to applicable sections for piping, ductwork, insulation, painting, etc.

3.2 ROOF MOUNTED EQUIPMENT INSTALLATION

A. All roof mounted mechanical equipment shall be supported and seismically anchored on leveled, flashed and counterflashed vibration isolated curbs anchored to resist seismic forces and suitable for the roof construction. Minimum curb height shall be 12" above the roof unless indicated otherwise on the Drawings. Flashing into the roof is specified in another Section.

B. Make all piping, electrical and duct penetrations for each piece of equipment within the curb unless

shown otherwise on the Drawings. Piping and electrical conduit routed above and across the roof shall be supported on flashed and counterflashed curbs with pipe guides anchored to the curbs in "pitch pockets." Submit shop drawings on other arrangements for approval.

C. Acoustical Protection: Install two layers of 5/8" weatherproof sheet rock with staggered joints on the

perimeter angle and cross members provided with the vibration isolator bases. Apply sheet rock around all ductwork above the roof and caulk all joints and seams. Provide additional acoustical materials as recommended by acoustical engineer.

D. Install on vibration isolation curbs where noted on drawings.

3.3 AIR HANDLING INSTALLATION

A. Installation and Arrangement: Air handling equipment shall be installed and arranged as shown on the Drawings. Comply with the manufacturer's recommendations for installation, connection, and start-up.

B. Lubrication: All moving and rotating parts shall be lubricated in accordance with the manufacturer's

recommendations prior to start-up. C. Filters: Specified filters or approved temporary construction filters shall be installed in supply units

prior to start-up or used for drying and/or temporary heat. See specifications related to ensuring ducts remain clean during construction for more information.

3.4 SMOKE DETECTOR INSTALLATION

A. Provide duct-mounted smoke detectors at air handling units in accordance with Code requirements. B. Where detectors are mounted in a concealed location, provide remote indicating panel located as

directed. C. Automatic Smoke Detector Fan Shutdown: Coordinate with Automatic Temperature Controls

specified elsewhere in these specifications.




3.5 CONTROLS

A. Wiring: All wiring shall be in accordance with the National Electrical Code and local electrical codes.

END OF SECTION 23 74 00

Job No:

Date:

Project: Suset High SchoolTitle IX and Upgrades13840 NW Cornell Rd.

Portland, OR 97229

Manufacturer: AAON

Contents: Rooftop Air Handling Unit

ALL QUANTITIES, SIZES, & DIMENSIONS, [COLORS/ELECTRICAL] TO BEFIELD VERIFIED BEFORE ORDERING.

5-0407

6/19/2015

Submittal Data

Submittal

1 8 0 0 S E W a t e r A v e , S u i t e 2 0 0 , P o r t l a n d , O R 9 7 2 1 4 PHONE (971) 717-7123

Date: June 17, 2015 Customer: Arctic Sheet Metal Project Name: Beaverton Sunset High School Engineer: MFIA Location: Beaverton, OR Spec Section: 23 74 00 2.1

Johnson Barrow respectfully submits the following equipment for review:

Product Tag Qty. Model Manufacturer Central Station HVAC Units ERU-1,2 2 RN-016 AAON

General Notes:

• This submittal is for approval. Approval is required in order for equipment to be released for fabrication

Submitted By:

Kevin Harrah Johnson Barrow Oregon Direct/Cell: 503-422-8078 Email: [email protected] Sign Date Approved as Noted Approved with Comments Revise and Re-submit

Submittal


Contents Scope of Offer and Clarifications ...................................................................................................... 3

Unit Performance......................................................................................................................... 4 Unit Dimensional Drawing............................................................................................................. 5 Unit Written Specification ............................................................................................................. 6 Warranty .................................................................................................................................... 7

Submittal


Scope of Offer and Clarifications ITEM I: AAON-Rooftop Energy Recovery Units w/ Gas Heat (Qty. 2)

Unit Tag Qty Model CFM Service

ERU-1 and ERU-2 2 RN016 4,600 Locker Rooms Scope of Supply:

• Basis of Design with MFIA Engineering and BSD • 100% Makeup air Energy Recovery units • Integral full enthalpy Energy Recovery Wheel of scheduled performance in summer / winter modes • Gas heating to be fully modulating, natural gas for 100% OA application • Stainless Steel Gas HX’s w/ 25 year non-pro-rated warranty as specified • 2” Double wall Casing with foam injected panels • Units Painted with Aaon standard paint w/ 2,500 hr salt spray test • Direct Drive Plenum Supply Fan and Belt Drive Exhaust Fan, Premium Efficient motors w/ factory

mounted VFDs • 2-position outside air damper/actuator – factory installed w/ Belimo actuator • Bottom supply & return duct connections (Install on custom plenum curbs detailed below) • 2” MERV 8 Pre-Filters • Clogged Filter Switches • Smoke detector, unit mounted and wired, as spec’d • Non-Fused Disconnect Switch, 460V 3ph power – single point to each unit • Terminal strip for field mounting of JCI FEC Controller. Damper actuators, VFD

terminals, and modulating gas heat terminals provided at factory. All temp sensors, etc. provided by JCI in the field.

• Custom plenum roof curbs. Curbs approx. 36” tall, insulated plenum, with plenum divider between supply and return sides. Curbs to have solid floor w/ framed side openings as shown on plans for horizontal duct. Curbs seismically stamped/designed.

• Factory Startup by local technician • Freight included to first destination, FOB factory • 1 Year Warranty on all Parts • 25 Year Parts Warranty on the Stainless Steel Furnace

Submittal


Unit Performance

2425 South Yukon Ave - Tulsa, Oklahoma 74107-2728 - Ph. (918) 583-2266 Fax (918) 583-6094AAONEcat32 Ver. 4.230 (SN: 5328576-)

1A

1B

1C

1D

2

3

4

5A

5B

5C 6A

6B

6C

7

8

9

10

11

12

13

14A

14B

15

16

17

18

19

20

21

22

23

R N- 016- 3- 0-00 00 -349:1 ED F-U0 H- DQF- D0 A-000A KK 5-00 -0 0000 00 0B Tag: ERU-1,2

Job Information Unit Information

Job Name: Approx. Op./Ship Weights: Job Number: Supply CFM/ESP: Site Altitude: Final-Filter FV / Qty:

Exhaust CFM/ESP/TSP: Outside CFM: Ambient Temperature: Return Temperature:

Sunset High School 2433 / 2433 lbs. (±5%)KHBSH 4600 / 1.5 in. wg.0 ft 220.80 fpm / 6

4600 / 1.50 / 2.72 in. wg.460092 ºF DB / 68 ºF WB75 ºF DB / 62 ºF WB

Static Pressure

External: Economizer: Evaporator: Heating: Filters Clean: Cabinet: Dirt Allowance Heatwheel: Total:

1.50 in. wg. 0.10 in. wg.0.00 in. wg. 0.12 in. wg.0.08 in. wg. 0.05 in. wg.0.35 in. wg. 0.86 in. wg.

3.06 in. wg.

Cooling Section Heating Section

No Cooling is Selected

Supply Air Fan: SA Fan RPM / Width: Exhaust Air Fan: EA Fan RPM / Pitch:

1 x 270D60 @ 3.25 BHP1216 / 3.643"1 x RM220A @ 2.96 BHP1487 / 4.920"

PreHeat Type: Std (No Preheat)

Heating Type: Heating CFM: Total Capacity: OA Temp: RA Temp: Entering Air Temp: Leaving Air Temp: Input: Heater Qty: Consumption:

Nat. Gas Heat4600218.7 MBH20.0 ºF DB / 19.0 ºF WB75.0 ºF DB / 62.0 ºF WB58.3 ºF DB / 51.2 ºF WB102.3 ºF DB / 67.4 ºF WB270.0 MBH1270.0 MBH

Electrical Data

Rating: Minimum Circuit Amp: Unit FLA: Maximum Overcurrent:

460/3/60 1917 25

Qty HP VAC Phase RPM FLA RLA Supply Fan: 1 5.00 460 3 1760 7.6 Exhaust Fan: 1 5.00 460 3 1760 7.6 Combustion: 1 0.25 460 1 3210 0.9 Heatwheel: 1 0.1667 460 1 1770 0.6

Cabinet Sound Power Levels*

Octave Bands: 63 125 250 500 1000 2000 4000 8000 Discharge LW(dB): 92 91 95 89 84 85 84 80 Return LW(dB): 92 88 88 79 79 79 75 71 *Sound power levels are given for informational purposes only. The sound levels are not guaranteed.

Unit Rating

Date Created/Modified: 6/17/2015 6:56:02 AM Using Ver 4.229 Date Printed: 6/17/2015 7:18:12 AM


1A

1B

1C

1D

2

3

4

5A

5B

5C

6A

6B

6C

7

8

9

10

11

12

13

14A

14B

15

16

17

18

19

20

21

22

23

R N - 0 1 6 - 3 - 0 - 0 0 0 0 - 3 4 9 : 1 E D F - U 0 H - D Q F - D 0 A - 0 0 0 A K K 5 - 0 0 - 0 0 0 0 0 0 0 0 B Tag: ERU-1,2

Job Name Sunset High School Heat Wheel Type: TotalJob Number KHBSH Heat Wheel Model: ERC-5262CSite Altitude 0' Heat Wheel Qty: 1

Summer Conditions Bypass: 0 CFM

Mixed Air Damper Supply Air HW Outside Air

4600 CFM 4600 CFM 4600 CFM80.16 ºF DB 80.16 ºF DB 80.16 ºF 92.00 ºF DB63.92 ºF WB 63.92 ºF WB 63.92 ºF 68.00 ºF WB63.14 gr/lb 63.14 gr/lb 64.43 gr/lbReturn Air From Space Exhaust Air

0 CFM 4600 CFM

75.00 ºF DB 86.84 ºF 86.84 ºF DB62.00 ºF WB 66.24 ºF 66.24 ºF WB62.44 gr/lb 63.73 gr/lb

4600 CFM Ex Bypass: 0 CFM

Cooling/Dehumidification Heating/Humidification

Total Capacity: 61.81 MBH 0.00 MBHSensible Capacity: 59.66 MBH 0.00 MBH

Latent Capacity: 2.15 MBH 0.00 MBH

Winter Conditions Bypass: 0 CFM

Mixed Air Damper Supply Air HW Outside Air

4600 CFM 4600 CFM 4600 CFM58.29 ºF DB 58.29 ºF DB 58.29 ºF 20.00 ºF DB51.24 ºF WB 51.24 ºF WB 51.24 ºF 19.00 ºF WB44.92 gr/lb 44.92 gr/lb 12.80 gr/lbReturn Air From Space Exhaust Air

0 CFM 4600 CFM

75.00 ºF DB 36.71 ºF 36.71 ºF DB62.00 ºF WB 36.10 ºF 36.10 ºF WB62.44 gr/lb 30.32 gr/lb

4600 CFM Ex Bypass: 0 CFM

Cooling/Dehumidification Heating/Humidification

Total Capacity: 0.00 MBH 294.42 MBHSensible Capacity: 0.00 MBH 191.27 MBH

Latent Capacity: 0.00 MBH 103.15 MBH

Energy Wheel Rating



JOB INFORMATION: WHEEL SPECIFICATION: Job Name: Max RPM: Job Tag: Diameter x Qty: Rep Firm: Width%: Date: Tip Speed:

Inertia:

Sunset High School 1,800ERU-1,2 27.4 in. x 1

9906/17/2015 8,723 FPM

16 WR²

OPERATING CONDITIONS: MOTOR SELECTION: Air Flow: Rated HP / Bypass: Static Pressure: Frame Size: Plenum DP: Nominal RPM: Inlet Grill DP: VAC/PH/HZ: TSP: Efficiency Site Altitude: Enclosure Type: TSP @ Sea Level: Max Inertial Load:

4,600 CFM 5 / No3.06 in. Wg. 184T0.00 in. Wg. 17600.00 in. Wg. 460/3/603.06 in. Wg. Premium / 0.8950.00 Ft ODP3.06 in. Wg. 52 WR²

FAN PERFORMANCE: FAN SOUND POWER (Inlet/Outlet): RPM: Octave Band: (Re 10^-12 watts) BHP: 1 2 3 4 5 6 7 8 Efficiency: In/Out Velocity: Plenum Out Velocity: SOUND POWER A-Weighted: 89 / 94 dB

Max Duct SP with Blocked Airway: 3.4 in. Wg. @ 1216 rpm

12163.2568.3% 86 83 81 81 81 80 80 791201/1257 FPM 88 88 89 88 86 88 87 8377 FPM

RPM

BHP

SYSTEM

Efficiency

SP Surge

CFM Min

Supply Fan Model: 270D60 @ 1216 RPM and 99% WidthDesign Conditions: 4600 CFM @ 3.06" SP

CFM x 10007654321

SP

3

2

1

0

BH

P

7

6

5

4

3

2

1

0

60%

40%

20%

0%

RPM: 1216

BHP: 3.25

EFFICIENCY: 68.25

27.0" STAR Plenum



JOB INFORMATION: WHEEL SPECIFICATION: Job Name: Max RPM: Job Tag: Diameter x Qty: Rep Firm: CFM: Date: Tip Speed:

Inertia:

Sunset High School 2,200ERU-1,2 22.0 in. x 1

460006/17/2015 8,565 FPM

5 WR²

OPERATING CONDITIONS: MOTOR SELECTION: Air Flow: Rated HP / Bypass: Static Pressure: Frame Size: Relief Dampers DP: Nominal RPM:

VAC/PH/HZ: TSP: Efficiency Site Altitude: Enclosure Type: TSP @ Sea Level: Max Inertial Load:

4,600 CFM 5 / No2.43 in. Wg. 184T0.29 in. Wg. 1760

460/3/602.72 in. Wg. Premium / 0.8950.00 Ft ODP2.72 in. Wg. 52 WR²

FAN PERFORMANCE: FAN SOUND POWER (Inlet/Outlet): RPM: Octave Band: (Re 10^-12 watts) BHP: 1 2 3 4 5 6 7 8 Efficiency: In/Out Velocity: Plenum Out Velocity: SOUND POWER A-Weighted: 91 / 91 dB

14872.9666.6% 90 88 93 86 80 79 76 701407/1549 FPM 90 88 93 86 80 79 76 7077 FPM

RPM

BHP

SYSTEM

Efficiency

SP Surge

CFM Min

Exhaust Fan Model: RM220A @ 1487 RPM and 100% WidthDesign Conditions: 4600 CFM @ 2.72" SP

CFM x 10007654321

SP

3

2

1

0

BH

P

7

6

5

4

3

2

1

0

60%

40%

20%

0%

RPM: 1487

BHP: 2.96

EFFICIENCY: 66.59

22.0" STAR Plenum



1A

1B

1C

1D

2

3

4

5A

5B

5C

6A

6B

6C

7

8

9

10

11

12

13

14A

14B

15

16

17

18

19

20

21

22

23

R N - 0 1 6 - 3 - 0 - 0 0 0 0 - 3 4 9 : 1 E D F - U 0 H - D Q F - D 0 A - 0 0 0 A K K 5 - 0 0 - 0 0 0 0 0 0 0 0 B Tag: ERU-1,2

Job Name: Sunset High School Unit Submittal For: Job Number: KHBSH Unit Submittal Date: June 17, 2015

Base Option Description

R Series Roof Top Unit

N Generation Ninth Generation

016 Unit Size Sixteen

3 Voltage 460V/3Ø/60Hz

0 Interior Protection Standard

0 Refrigerant Style Air Handling Unit

0 Unit Configuration No Cooling

0 Coil Coating Standard

0 Cooling/Heat Pump Staging No Cooling

3 Heating Type Natural Gas Stainless Steel

4 Heating Designation Heat 4 - 270 MBtuh

9 Heating Staging Modulating Gas - Temperature Control

Feature Option Description

1 1A. RA/OA Section AAONAIRE® Energy Recovery Wheel + Bypass Damper + 1% Purge - Total + High CFM

E 1B. RA/EA Blower Configuration 1 Blower + Premium Efficiency Motor + 1 VFD

D 1C. RA/EA Blower 22" Backward Curved Plenum

F 1D. RA/EA Blower Motor 5.0 hp - 1760 rpm

U 2. OA Control 2 Position Actuator

0 3. Heat Options Standard

H 4. Maintenance Options 115V Convenience Outlet - Factory Wired + Remote Start/Stop Terminals - LVTB

D 5A. SA Blower Configuration 1 Blower + Premium Efficiency Motor + 1 VFD

Q 5B. SA Blower 27'' Direct Drive Backward Curved Plenum - 60% Width

F 5C. SA Motor 5.0 hp - 1760 rpm

D 6A. Pre Filter Type Energy Recovery Wheel 2" Pleated EA Filter - 30% Eff

0 6B. Unit Filter Type 2" Pleated - 30% Eff

A 6C. Filter Options Clogged Filter Switch

0 7. Refrigeration Control Standard

0 8. Refrigeration Options Standard

0 9. Refrigeration Accessories Standard

A 10. Power Options Power Switch - 100 amps

K 11. Safety Options RA Smoke Detector + Remote Safety Shutdown Terminals

K 12. Controls Phase & Brown Out Protection + ERW Defrost

5 13. Special Controls Field Installed DDC Controls by Others + Isolation Relays

0 14A. Preheat Configuration Standard - None

0 14B. Preheat Sizing Standard - None

0 15. Glycol Percent Water or No WSHP

0 16. Interior Cabinet Options Standard - Double Wall + R-13 Foam Insulation

0 17. Exterior Cabinet Options Standard

0 18. Customer Code Standard

0 19. Code Options Standard - ETL U.S.A. Listing

0 20. Crating Standard

0 21. Water-Cooled Cond. Standard - None

0 22. Control Vendors Standard

B 23. Type Standard - Includes AAON Gray Paint

Unit Submittal



1A

1B

1C

1D

2

3

4

5A

5B

5C

6A

6B

6C

7

8

9

10

11

12

13

14A

14B

15

16

17

18

19

20

21

22

23

R N - 0 1 6 - 3 - 0 - 0 0 0 0 - 3 4 9 : 1 E D F - U 0 H - D Q F - D 0 A - 0 0 0 A K K 5 - 0 0 - 0 0 0 0 0 0 0 0 B Tag: ERU-1,2 Job Name: Sunset High School For: Job Number: KHBSH Date: June 17, 2015

Terminals Available/Required for Controlling the Unit

Terminal Description[R] 24VAC Control Voltage[E] Common[G] Supply Fan Enable + Isolation Relay

[W1] Heating Stage 1 Enable + Isolation Relay[+] & [-] Gas Heat Reset Signal (0-10VDC)

Resets the supply air setpoint

[HW] Energy Recovery Wheel Enable + Isolation Relay[PE] Power Exhaust Enable + Isolation Relay

[B1-] & [B2+] Exhaust Fan 1 - w/1 VFD: Signal (0-10VDC) VFD frequency reference signal control point must handle a rated 20k ohm input impedance.

[A1] & [A2] Economizer Enable[ST1] & [ST2] Remote Start/Stop of the Unit[S1-] & [S2+] Supply Fan 1 - w/ 1 VFD: Signal (0-10VDC)

VFD frequency reference signal control point must handle a rated 20k ohm input impedance.

[C1] & [C2] Clogged Filter Switch[BI1] & [BI2] Remote Safety Shutdown

[PBO1] & [PBO2] Phase & Brown Out

Terminations Found On VFD(s)Exhaust Fan VFD(s) J1000:std 1-5HP VFD

Upgrade J1000 to V1000 by SPA for run status

[AM] & [AC] Current Feedback (0-10VDC = 0-100%)[MA] & [MC] Fault

Supply Fan VFD(s) J1000:std 1-5HP VFD Upgrade J1000 to V1000 by SPA for run status

[AM] & [AC] Current Feedback (0-10VDC = 0-100%)[MA] & [MC] Fault

Control Terminals


Great Things Come in Small PackagesIn our pursuit to create drives optimized for variable speed needs in compact applications, the J1000 is the solution. This microdrive is simple and reliable with Yaskawa quality. Demand continues to increase for compact drives with hassle-free maintenance. Yaskawa drives have earned a reputation for high performance, high functionality, and high quality.

J10001/8 to 7.5 HPBasic Protected Chassis Microdrive

Features

• Open loop V/f control• RoHS compliance• Dual rating: Normal Duty and

Heavy Duty• Starting torque of 150% at 3 Hz• Side-by-side installation due to

patented hybrid heatsink• Preferred parameter feature• “One-touch” copy function with

verify with 5-digit LED keypad• Increased vibration resistance, from

20 Hz to 50 Hz (0.65G)• 1 in 10,000 failure rate• Swing PWM function to decrease

noise at low carrier frequencies• Pre-maintenance function• Modbus communication• Reduction in mechanical parts to

increase MTBF• Cooling fan replacement without

tools• MTBF: 28 years• Short Circuit Current Rating

(SCCR): 30kA rms symmetrical• Built-in dynamic braking transistor• Common programming with all

other Yaskawa drives

200-240V Single Phase 50/60 HzModel Number

CIMR-JU BAA BA0001 BA0002 BA0003 BA0006 BA0010

Motor Capacity (HP)

ND HD

1/8 & 1/4 1/8

1/4 1/4

1/2 & 3/4 1/2

1 & 1.5 3/4 & 1

2 & 3 2

Output Current A (rms)

ND HD

1.2 0.8

1.9 1.6

3.3 3.0

6.0 5.0

9.6 8.0

200-240V Three Phase 50/60 HzModel Number

CIMR-JU BAA 2A0001 2A0002 2A0004 2A0006 2A0010 2A0012 2A0020

Motor Capacity (HP)

ND HD

1/8 & 1/4 1/8

1/4 1/4

1/2 & 3/4 1/2

1 & 1.5 3/4 & 1

2 & 3 2

3 3

5 5


ND HD

1.2 0.8

1.9 1.6

3.5* 3.0

6.0 5.0

9.6 8.0

12.0 11.0

19.6 17.5

380-480V Three Phase 50/60 HzModel Number

CIMR-JU BAA 4A0001 4A0002 4A0004 4A0005 4A0007 4A0009 4A0011

Motor Capacity (HP)

ND HD

1/2 1/2

3/4 & 1 3/4

2 2

3 3

4 3

5 4

7.5 5


ND HD

1.2 1.2

2.1 1.8

4.1 3.4

5.4 4.8

6.9 5.5

8.8 7.2

11.1 9.2

Horsepower rating is based on 230 Volt and 460 Volt Induction-Type Squirrel Cage NEMA B 4-Pole Motors as represented in NEC Table 430.250 Full-Load Current, Three-Phase Alternating-Current Motors.

Options•Potentiometer Unit•RS-232 Communication Unit

for Remote Operator•RS-232 Communication Option

for Copy Unit/PC•RS-485 Communication Interface•USB Copy Unit

•Remote LED Digital Operator•NEMA 1 Kit•DIN Rail Kit• Input CE Filter•Dynamic Braking Resistor

(3% or 10%)• Input Reactor (3% or 5%)

Yaskawa America, Inc. | Tel: 1-800-YASKAWA (927-5292) | www.yaskawa.comDrives & Motion Division

kevinh

Line

kevinh

Line

kevinh

Line

kevinh

Line

Document Number: FL.J1000.01 • 06-15-2010 • © 2010

SpecificationsItem Specification

Overload Capacity150% Overload for 60 sec. (Heavy Duty)

120% Overload for 60 sec. (Normal Duty)

Output Frequency 0~400 Hz

Control MethodsOpen Loop V/f Control

Speed Range: 40:1

Protective Design IP20/Protected Chassis

Braking Transistor Standard in all models

Braking Torque 20 - 40% increase with intelligent high flux braking function

KEB Function Uses mechanical energy to continue operation during momentary power failure, standard

Overvoltage Function Prevention function for food and beverage machine and other applications

MaintenanceElapsed timer assists in preventative maintenance for cooling fan, capacitors, and transistorsEasily replaceable cooling fan

Global Certification CE, UL, cUL, RoHS

Available I/O

(5) multi-function digital inputs

(1) multi-function analog input

(1) multi-function relay output

(1) multi-function 0-10 Vdc analog output

(1) speed potentiometer (optional)

Network Communication Optional: RS-232C, RS-422/485 MODBUS 38.4 kbps

Keypad Operator Standard LED 5 digit display

Major Applications

0

5.0”

” 2.7 ” 4.3 ” 5.5 ”

Normal Duty, IP20/Protected ChassisH

W

1 HP1 HP240V 5 HP5 HP

480V5 HP240V

&7.5 HP480V

J10001/8 to 7.5 HP

Yaskawa America, Inc. | Tel: 1-800-YASKAWA (927-5292) | www.yaskawa.comDrives & Motion Division

Not drawn to scale

Food & BeverageConveyor Fan Pump

AgriculturalMachines

Packaging Industrial Washer

Size Comparison

Submittal


Unit Dimensional Drawing

146"

1 3/8"

2"156 3/4"

SHIPPING DIM

26" 26" 3"

6"

20"

E

82 7/8"

50"

2"

38 3/4"

32"9 7/8"

55 1/8"

37"

59 1/2" SHIPPING DIM

2"

SUPPLY AIR

RETURN AIR

A.I. VERTICAL SUPPORTS X6

7"

DETAIL E SCALE 1 : 10

WOOD NAILER

24GA FLASHING

OPTIONS:MATERIAL: 14 ga. GAL STEEL

1X4 WOOD NAILER1" 1-1/2LB DUCT INSULATION (R VALUE 3.85)

INSULATED FLOORSOLID FLOOR

DIVIDER WALL(S)26" X 20" HORIZONTAL SUPPLY26" X 20" HORIZONTAL RETURN

REVISIONS

REV. ECO# DESCRIPTION DATE APPROVED

01 INITIAL DWG GKF02 CHANGED OPENINGS TO OPPOSITE WALL GKF

DATE

CDI

CHECKED:

DRAWN:

DIMENSIONS AREAS FOLLOWS:1.00 in[25.40 mm]

3RD ANGLEPROJECTION

APPROVALS

ECO #:

SCALE: SHEET:

TITLE:

FILE NAME: DRAWING NO.:

OF

REV:

DIMENSIONED AND TOLERENCED PER ANSI Y14.5M-1982

gfletcher

408122-2-0037-9214 2ERROR!:ECO# 1:20 1 4

. .

17560 TYLER ST NWELK RIVER, MN 55330(763)391-7790(763)391-7851

UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE:

.X 0.05

.XX 0.03 .XX= .007

.XXX 0.01 <'S 1/2

408122-2-0037-9214

QUOTE #: Friday, June 14, 2013 5:49:48 PM

Attn:____________________ Tag:_________________

Approval:_____________________________________

CURB WEIGHT (LBS.)

288.56

*VERIFY EXISTING CURB OD*VERIFY SUPPLY AND RETURN OPENINGS*NOTE ANY CHANGES*CALL WITH ANY QUESTIONS*FAX BACK IF DRAWING IS OK AS IS

CURB SHOWN IS CDI STANDARD CONFIGURATIONCDI RESERVES THE RIGHT TO CHANGE LAYOUT WITHOUT NOTIFICATION. IF CURB IS NEEDED IN A DIFFERENT CONFIGURATION CDI MUST BE NOTIFIED PRIOR TO PLACING AN ORDER.

ERU-1,2

Submittal


Unit Written Specification

Guide Specifications - RN Series Rooftop Units

Packaged Rooftop Units / Outdoor Air Handling Units

Part 1 - General

1.01 Related Documents

1.02 General Description

A. This section includes the design, controls and installation requirements for packaged rooftop units / outdoor air handling units.

1.03 Quality Assurance

A. Unit shall be certified in accordance with UL Standard 1995/CSA C22.2 No. 236, Safety Standard for Heating and Cooling Equipment.

B. [ERU-1,2] Unit shall be certified in accordance with ANSI Z21.47b/CSA 2.3b and ANSI Z83.8/CSA 2.6, Safety Standard Gas-Fired Furnaces.

C. [ERU-1,2] Unit shall be safety certified by ETL and ETL US listed. Unit nameplate shall include the ETL/ETL Canada label.

D. Unit shall be approved for use in and outside High Velocity Hurricane Zones (HVHZ) by the Florida Building Code (FL# 15031), when using the required steel rooftop curb and attachment methods. Maximum allowable lateral wind pressure is +100psf/-100psf. Maximum allowable uplift is +50psf/-50psf. Positive and negative required design pressures calculated for use with this system shall be determined by others on a job specific basis, in accordance with the governing code. Site specific pressures shall be less than or equal to the listed positive or negative allowable lateral wind design pressure and allowable uplift values for the product.

1.04 Submittals

A. Product Data: Literature shall be provided that indicates dimensions, operating and shipping weights, capacities, ratings, fan performance, filter information, factory supplied accessories, electrical characteristics and connection requirements. Installation, Operation, and Maintenance manual with startup requirements shall be provided.

B. Shop Drawings: Unit drawings shall be provided that indicate assembly, unit dimensions, construction details, clearances and connection details. Computer generated fan curves for each fan shall be submitted with specific design operation point noted. Wiring diagram shall be provided with details for both power and control systems and differentiate between factory installed and field installed wiring.

1.05 Delivery, Storage, and Handling

A. Unit shall be shipped with doors screwed shut and outside air hood closed to prevent damage during transport and thereafter while in storage awaiting installation.

B. Follow Installation, Operation, and Maintenance manual instructions for rigging, moving, and unloading the unit at its final location.

C. Unit shall be stored in a clean, dry place protected from construction traffic in accordance with the Installation, Operation, and Maintenance manual.

1.06 Warranty

A. [ERU-1,2] Manufacturer shall provide a limited “parts only” warranty for a period of 12 months from the date of equipment startup or 18 months from the date of original equipment shipment from the factory, whichever is less. Warranty shall cover material and workmanship that prove defective, within the specified warranty period, provided manufacturer’s written instructions for Installation, Operation, and maintenance have been followed. Warranty excludes parts associated with routine maintenance, such as belts and filters.

Part 2 - Products

2.01 Manufacturer

A. Products shall be provided by the following manufacturers:

1. AAON

2. Substitute equipment may be considered for approval that includes at a minimum:

a. Direct drive supply fans

b. Double wall cabinet construction

c. Insulation with a minimum R-value of 13

d. Hinged access doors with lockable handles

e. All other provisions of the specifications must be satisfactorily addressed

2.02 Rooftop Units

A. General Description

1. [ERU-1,2] Outdoor air handling unit shall include filters, supply fans, dampers,gas heaters,return fans,and energy recovery wheels.

2. Unit shall be factory assembled and tested including a run test of the completed unit. Run test report shall be supplied with the unit in the service compartment’s literature pocket.

3. Unit shall have decals and tags to indicate lifting and rigging, service areas and caution areas for safety and to assist service personnel.

4. Unit components shall be labeled, including electrical and controls components.

5. Estimated sound power levels (dB) shall be shown on the unit ratings sheet.

6. Installation, Operation, and Maintenance manual shall be supplied within the unit.

7. Laminated color-coded wiring diagram shall match factory installed wiring and shall be affixed to the interior of the control compartment’s hinged access door.

8. Unit nameplate shall be provided in two locations on the unit, affixed to the exterior of the unit and affixed to the interior of the control compartment’s hinged access door.

B. Construction

1. All cabinet walls, access doors, and roof shall be fabricated of double wall, impact resistant, rigid polyurethane foam panels.

2. Unit insulation shall have a minimum thermal resistance R-value of 13. Foam insulation shall have a minimum density of 2 pounds/cubic foot and shall be tested in accordance with ASTM D1929-11 for a minimum flash ignition temperature of 610°F.

3. Unit construction shall be double wall with G90 galvanized steel on both sides and a thermal break. Double wall construction with a thermal break prevents moisture accumulation on the insulation, provides a cleanable interior, prevents heat transfer through the panel, and prevents exterior condensation on the panel.

4. Unit shall be designed to reduce air leakage and infiltration through the cabinet. Cabinet leakage shall not exceed 1% of total airflow when tested at 3 times the minimum external static pressure provided in AHRI Standard 340/360. Panel deflection shall not exceed L/240 ratio at 125% of design static pressure, at a maximum 8 inches of positive or negative static pressure, to reduce air leakage. Deflection shall be measured at the midpoint of the panel height and width. Continuous sealing shall be included between panels and between access doors and openings to reduce air leakage. Piping and electrical conduit through cabinet panels shall include sealing to reduce air leakage.

5. Roof of the air tunnel shall be sloped to provide complete drainage. Cabinet shall have rain break overhangs above access doors.

6. [ERU-1,2] Access to filters, dampers,heaters,exhaust fans,energy recovery wheels,and electrical and controls components shall be through hinged access doors with quarter turn, zinc cast, lockable handles. Full length stainless steel piano hinges shall be included on the doors.

7. Exterior paint finish shall be capable of withstanding at least 2,500 hours, with no visible corrosive effects, when tested in a salt spray and fog atmosphere in accordance with ASTM B 117-95 test procedure.

8. Unit shall be provided with base discharge and return air openings. All openings through the base pan of the unit shall have upturned flanges of at least 1/2 inch in height around the opening.

9. Unit shall include lifting lugs on the top of the unit.

C. Electrical

1. [ERU-1,2] Unit shall be provided with factory installed and factory wired, non-fused disconnect switch.

2. [ERU-1,2] Unit shall be provided with a factory installed and factory wired 115V, 13 amp GFI outlet disconnect switch in the unit control panel.

3. [ERU-1,2] Unit shall be provided with phase and brown out protection which shuts down all motors in the unit if the electrical phases are more than 10% out of balance on voltage, the voltage is more than 10% under design voltage or on phase reversal.

4. [ERU-1,2] Unit shall be provided with remote stop/start terminals which require contact closure for unit operation. When these contacts are open the low voltage circuit is broken and the unit will not operate.

D. Supply Fans

1. Unit shall include direct drive, unhoused, backward curved, plenum supply fans.

2. Blowers and motors shall be dynamically balance and mounted on rubber isolators.

3. [ERU-1,2] Motors shall be premium efficiency ODP with ball bearings rated for 200,000 hours service with external lubrication points.

4. [ERU-1,2] Variable frequency drives shall be factory wired and mounted in the unit. Fan motors shall be premium efficiency.

E. [ERU-1,2] Exhaust Fans

1. Exhaust dampers shall be sized for 100% relief.

2. Fans and motors shall be dynamically balanced.

3. [ERU-1,2] Motors shall be premium efficiency ODP with ball bearings rated for 200,000 hours service with external lubrication points.

4. Access to exhaust fans shall be through double wall, hinged access doors with quarter turn lockable handles.

5. [ERU-1,2] Unit shall include belt driven, unhoused, backward curved, plenum exhaust fans.

6. [ERU-1,2] Variable frequency drives shall be factory wired and mounted in the unit. Fan motors shall be premium efficiency.

F. [ERU-1,2] Gas Heating

1. [ERU-1,2] Stainless steel heat exchanger furnace shall carry a 25 year non-prorated warranty, from the date of original equipment shipment from the factory.

2. [ERU-1,2] Gas furnace shall consist of stainless steel heat exchangers with multiple concavities, an induced draft blower and an electronic pressure switch to lockout the gas valve until the combustion chamber is purged and combustion airflow is established.

3. Furnace shall include a gas ignition system consisting of an electronic igniter to a pilot system, which will be continuous when the heater is operating, but will shut off the pilot when heating is not required.

4. [ERU-1,2] Unit shall include a single gas connection and have gas supply piping entrances in the unit base for through-the-curb gas piping and in the outside cabinet wall for across the roof gas piping.

5. [ERU-1,2] Natural gas furnace shall be equipped with modulating gas valves, adjustable speed combustion blowers, stainless steel tubular heat exchangers, and electronic controller. Combustion blowers and gas valves shall be capable of modulation. Electronic controller includes a factory wired, field installed supply air temperature sensor. Sensor shall be field installed in the supply air ductwork. Supply air temperature setpoint shall be adjustable on the electronic controller within the controls compartment. 270 MBH gas heating assembly shall be capable of operating at any firing rate between 100% and 30% of their rated capacity.

G. Filters

1. [ERU-1,2] Unit shall include 2 inch thick, pleated panel filters with an ASHRAE efficiency of 30% and MERV rating of 8, upstream of the cooling coil.

2. [ERU-1,2] Unit shall include a clogged filter switch.

H. Outside Air/Economizer

1. [ERU-1,2] Unit shall include 0-100% economizer consisting of a motor operated outside air damper and return air damper assembly constructed of extruded aluminum, hollow core, airfoil blades with rubber edge seals and aluminum end seals. Damper blades shall be gear driven and designed to have no more than 20 cfm of leakage per sq ft. at 4 in. w.g. air pressure differential across the damper.

Low leakage dampers shall be Class 2 AMCA certified, in accordance with AMCA Standard 511. Damper assembly shall be controlled by spring returnactuator. Unit shall include outside air opening bird screen, outside air hood, and barometric relief dampers.

I. [ERU-1,2] Energy Recovery

1. [ERU-1,2] Unit shall contain a factory mounted and tested energy recovery wheel. The energy recovery wheel shall be mounted in a rigid frame containing the wheel drive motor, drive belt, wheel seals and bearings. Frame shall slide out for service and removal from the cabinet.

2. The energy recovery component shall incorporate a rotary wheel in an insulated cassette frame complete with seals, drive motor and drive belt.

3. [ERU-1,2] Wheel shall be wound continuously with one flat and one structured layer in an ideal parallel plate geometry providing laminar flow and minimum pressure drop-to-efficiency ratios. The layers shall be effectively captured in stainless steel wheel frames or aluminum and stainless steel segment frames that provide a rigid and self-supporting matrix.

4. [ERU-1,2] Wheel shall be provided with removable energy transfer matrix. Wheel frame construction shall be a welded hub, spoke and rim assembly of stainless, plated and/or coated steel and shall be self-supporting without matrix segments in place. Segments shall be removable without the use of tools to facilitate maintenance and cleaning. Wheel bearings shall be selected to provide an L-10 life in excess of 400,000 hours. Rim shall be continuous rolled stainless steel and the wheel shall be connected to the shaft by means of taper locks.

5. All diameter and perimeter seals shall be provided as part of the cassette assembly and shall be factory set. Drive belts of stretch urethane shall be provided for wheel rim drive without the need for external tensioners or adjustment.

6. The energy recovery cassette shall be an Underwriters Laboratories Recognized Component for electrical and fire safety. The wheel drive motor shall be an Underwriters Laboratory Recognized Component and shall be mounted in the cassette frame and supplied with a service connector or junction box. Thermal performance shall be certified by the manufacturer in accordance with ASHRAE Standard 84, Method of Testing Air-to-Air Heat Exchangers and AHRI Standard 1060, Rating Air-to-Air Energy Recovery Ventilation Equipment. Cassettes shall be listed in the AHRI Certified Products.

7. Energy recovery wheel cassette shall carry a 5 year non-prorated warranty, from the date of original equipment shipment from the factory. The first 12 months from the date of equipment startup, or 18 months from the date of original equipment shipment from the factory, whichever is less, shall be covered under the standard AAON limited parts warranty. The remaining period of the warranty shall be covered by Airxchange. The 5 year warranty applies to all

parts and components of the cassette, with the exception of the motor, which shall carry an 18 month warranty. Warranty shall cover material and workmanship that prove defective, within the specified warranty period, provided the Airxchange written instructions for Installation, Operation, and Maintenance have been followed. Warranty excludes parts associated with routine maintenance, such as belts. Refer to the Airxchange Energy Recovery Cassette Limited Warranty Certificate.

8. [ERU-1,2] Unit shall include 2 inch thick, pleated panel outside air and exhaust air filters with an ASHRAE efficiency of 30% and MERV rating of 8, upstream of the wheels.

9. [ERU-1,2] Hinged service access doors shall allow access to the wheel.

10. [ERU-1,2] Total energy recovery wheels shall be coated with silica gel desiccant permanently bonded by a process without the use of binders or adhesives, which may degrade desiccant performance. The substrate shall be lightweight polymer and shall not degrade nor require additional coatings for application in marine or coastal environments. Coated segments shall be washable with detergent or alkaline coil cleaner and water. Desiccant shall not dissolve nor deliquesce in the presence of water or high humidity.

11. [ERU-1,2] Unit shall include energy recovery wheel defrost control which includes an adjustable temperature sensor and timer wired to periodically stop the wheel rotation, which allows the warm exhaust air to defrost the wheel.

12. [ERU-1,2] Energy recovery wheel shall include a factory supplied, field adjustable, purge sector designed to limit cross contamination to less than 1 percent of that of the exhaust airstream concentration when operated under design conditions.

J. Controls

1. [ERU-1,2] Field Installed DDC Controls by Others

a. Controls shall be field provided and field installed by others.

b. Isolation relays shall be factory installed.

K. [ERU-1,2] Accessories

1. [ERU-1,2] Unit shall be provided with a smoke detector sensing the return air of the unit, wired to shut off the unit’s control circuit.

2. [ERU-1,2] Unit shall be provided with a safety shutdown terminal block for field installation of a smoke detector which shuts off the unit's control circuit.

Part 3 - Execution

3.01 Installation, Operation, and Maintenance

A. Installation, Operation, and Maintenance manual shall be supplied with the unit.

B. Installing contractor shall install unit, including field installed components, in accordance with Installation, Operation, and Maintenance manual instructions.

C. Start up and maintenance requirements shall be complied with to ensure safe and correct operation of the unit.

Submittal


Warranty

Submitted for Approval · 6/23/2015 · 2. Unit shall be provided with a gas ignition system...

Documents

Transcript of Submitted for Approval · 6/23/2015 · 2. Unit shall be provided with a gas ignition system...