J.2_BIA_PINEHILL_HVAC_Specs_Final_3.7.17.pdf

BUREAU OF INDIAN AFFAIRS

PINEHILL SCHOOLS HVAC REPAIR

B. 801

Pinehill, NM

Specifications 3/7/17

By

QA Engineering LLC

TABLE OF CONTENTS

23700 Variable Refrigerant Volume Heat Pumps

23720 Variable Refrigerant Volume Indoor Fan Coil Units

23740 Energy Recovery Ventilator

220500 Common Work Results for Plumbing

220529 Hangers and Supports for Plumbing Piping and Equipment

220700 Plumbing Insulation

230500 Common Work Results for HVAC

230529 Hangers and Supports for HVAC Piping and Equipment

230593 Testing, Adjusting and Balancing

230700 HVAC Insulation

230900 Instrumentation and Control for HVAC

233113 Metal Ducts

233300 Air Duct Accessories

233713 Diffusers, Registers and Grilles

260519 Low-Voltage Electrical Power Conductors and Cables

260526 Grounding and Bonding for Electrical Systems

260533 Raceways and Boxes for Electrical Systems

260544 Sleeves and Sleeve Seals for Electrical Raceways and Cabling

262726 Wiring Devices

262813 Fuses

BIA PINEHILL SCHOOL HVAC REPAIR QAE Project # 20178a01

Mechanical HVAC VRV Heat Pumps 23700

Multiple Evaporator, Direct Expansion (DX), Air-Cooled, Variable Capacity, Split System

Section 23700 – Mechanical HVAC VRV Heat Pumps

Part 1 – GENERAL

VARIABLE REFRIGERANT VOLUME AIR CONDITIONING SPECIFICATION – Heat Pump

1.01 SYSTEM DESCRIPTION

The variable capacity, heat pump air conditioning system shall be a Variable Refrigerant Volume (heat or cool mode) system as specified.

The system shall consist of multiple evaporators using PID control, joints and headers, a two-pipe refrigeration distribution system and heat pump condenser unit. The condenser shall be a direct expansion (DX), air-cooled heat pump, multi-zone air-conditioning system with variable speed inverter driven compressors using R-410A refrigerant. The condensing unit may connect an indoor evaporator capacity up to 200% of the condensing unit capacity. All zones are each capable of operating separately with individual temperature control.

The condensing unit shall be interconnected to indoor unit models and shall range in capacity from 7,500 Btu/h to 96,000 Btu/h in accordance with manufacturer data detailing each available indoor unit. The indoor units shall be connected to the condensing unit utilizing specified piping joints and headers to ensure correct refrigerant flow and balancing. T style joints are not acceptable for a variable refrigerant system.

Operation of the system shall permit either cooling or heating of all of the indoor units simultaneously. Each indoor unit or group of indoor units shall be able to provide set temperature independently via a local remote controller, an Intelligent Manager Controller or a BMS interface.

The condensing unit model numbers and the associated number of connectable indoor units is indicated in the design. Each indoor unit or group of indoor units shall be independently controlled.

1.02 VRV IV FEATURES AND BENEFITS

A. Voltage Platform – Heat pump condensing units shall be available with a 460V/3/60 power supply.

B. Advanced Zoning – A single system shall provide for up to 64 zones.

C. Independent Control – Each indoor unit shall use a dedicated electronic expansion valve with 2000 positions for independent control.

D. VFD Inverter Control and Variable Refrigerant Temperature – Each condensing unit shall use high efficiency, variable speed all “inverter” compressor(s) coupled with inverter fan motors to optimize part load performance. The system capacity and refrigerant temperatures shall be modulated automatically to set suction and condensing pressures while varying the refrigerant volume for the needs of the cooling or heating loads.

The control will be automatic and customizable depending on load and weather conditions

E. Indoor units shall use PID to control superheat to deliver a comfortable room temperature condition and optimize efficiency.

F. Configurator software – Each system shall be available with configurator software package to allow for remote configuration of operational settings and also for assessment of operational data and error codes.

G. Autocharging – Each system shall have a refrigerant auto-charging function H. Flexible Design –

1. Systems shall be capable of up to 540ft (640ft equivalent) of linear piping between the condensing unit and furthest located indoor unit.

2. Systems shall be capable of up to 3,280ft total “one-way” piping in the piping network.

3. Systems shall have a vertical (height) separation of up to 295ft between the condensing unit and the indoor units

4. Systems shall be capable of up to 295ft from the first REFRIGERANT™ / branch point.

5. The condensing unit shall have the ability to connect an indoor unit evaporator capacity of up to 200% of the condensing unit capacity.

6. Systems shall be capable of 100ft vertical separation between indoor units.

7. Condensing units shall be supported with a fan motor ESP up to 0.32” WG as standard to allow connection of discharge ductwork and to prevent discharge air short circuiting.

I. Oil Return – Each system shall be furnished with a centrifugal oil separator and active oil recovery cycle

J. Simple Wiring – Systems shall use 16/18 AWG, 2 wire, multi-stranded, non-shielded and non-polarized daisy chain control wiring.

K. Space Saving – Each system shall have a condensing unit module footprint as small as 36-11/16” x 30-3/16” and no larger than 48-7/8 x 30-3/16

L. Advanced Diagnostics – Systems shall include a self-diagnostic, auto-check function to detect a malfunction and display the type and location.

M. Each condensing unit shall incorporate contacts for electrical demand shedding with optional 3 stage demand control with 12 customizable demand settings

N. Advanced Controls – Each system shall have at least one remote controller capable of controlling up to 16 indoor units.

O. Each system shall be capable of integrating with open protocol BACnet and LonWorks building management systems.

P. Low Sound Levels – Each system shall use indoor and condensing units with quiet operation as low as 27 dB(A).

1.03 QUALITY ASSURANCE

A. The units shall be tested by a Nationally Recognized Testing Laboratory (NRTL), in accordance with ANSI/UL 1995 – Heating and Cooling Equipment and bear the Listed Mark.

B. All wiring shall be in accordance with the National Electric Code (NEC).

C. The system will be produced in an ISO 9001 and ISO 14001 facility, which are standards set by the International Standard Organization (ISO). The system shall be factory tested for safety and function.

D. Mechanical equipment for wind-born debris regions shall be designed in accordance with ASCE 7-2010 and installed to resist the wind pressures on the equipment and the supports.

E. The condensing unit will be factory charged with R410A.

1.04 DELIVERY, STORAGE AND HANDLING

A. Unit shall be stored and handled according to the manufacturer’s recommendations.

Part 2 – WARRANTY

2.01 STANDARD LIMITED WARRANTY

Manufacturer shall warranty products installed under normal use and maintenance for comfort cooling and conditioning applications such products (the “Products”) will be free from defects in material and workmanship. This warranty applies to compressor and all parts and is limited in duration to ten (10) years starting from the ‘’installation date’’ which is one of the two dates below:

a. The installation date is the date that the unit is originally commissioned, but no later than 18 months after the manufacture date noted on the unit’s rating plate.

b. If the date the unit is originally commissioned cannot be verified, the installation date is three months after the manufacture date.

Part 3 – PERFORMANCE

3.01 The VRV Heat Pump system shall perform as indicated below.

Nominal Size System IEER (seasonal - ducted)

System IEER (seasonal– non-ducted)

6 ton 22.8 26.5

8 ton 22.7 28.0

10 ton 21.4 23.5

12 ton 21.0 24.1

14 ton 19.8 22.1

16 ton 20.7 22.2

18 ton 20.0 20.5

20 ton 18.4 20.8

22 ton 19.3 20.3

24 ton 19.3 20.1

26 ton 18.8 19.9

28 ton 18.5 19.5

30 ton 18.5 19.4

3.02 OPERATING RANGE

The operating range in cooling will be 23°F DB ~ 122°F DB.

The operating range in heating will be 0°F DB – 77°F DB / -4°F WB – 60°F WB.

Cooling mode indoor room temperature range will be 57°F-77°F WB.

Heating mode indoor room temperature range will be 59°F-80°F DB.

3.03 REFRIGERANT PIPING

The system shall be capable of refrigerant piping up to 540 actual feet or 620 equivalent feet from the condensing unit to the furthest indoor unit, a total combined liquid line length of 3,280 feet of piping between the condensing and indoor units with 295 feet maximum vertical difference, without any oil traps or additional components.

Nominal Size System EER (full load - ducted)

System EER (full load – non-ducted)

6 ton 13.5 15.0

8 ton 13.0 15.1

10 ton 12.1 13.2

12 ton 11.5 12.3

14 ton 10.6 10.6

16 ton 12.3 11.9

18 ton 11.7 11.6

20 ton 11.6 11.5

22 ton 10.5 10.9

24 ton 10.5 10.5

26 ton 9.8 9.8

28 ton 9.5 9.5

30 ton 10.9 10.3

Nominal Size System COP@47F (full load - ducted)

System COP@47F (full load – non-ducted)

6 ton 3.58 4.21

8 ton 3.99 4.59

10 ton 3.46 3.79

12 ton 3.72 4.1

14 ton 3.49 3.74

16 ton 3.60 3.8

18 ton 3.65 3.83

20 ton 3.55 3.63

22 ton 3.35 3.33

24 ton 3.31 3.25

26 ton 3.26 3.30

28 ton 3.20 3.22

30 ton 3.25 3.46

Refrigerant piping joints and headers shall be used to ensure proper refrigerant balance and flow for optimum system capacity and performance. T style joints shall not be acceptable as this will negatively impact proper refrigerant balance and flow for optimum system capacity and performance.

Part 4 – PRODUCTS

4.01 CONDENSING UNIT

A. General: The condensing unit is designed specifically for use with VRV series components.

1. The condensing unit shall be factory assembled in the USA and pre-wired with all necessary electronic and refrigerant controls.

The refrigeration circuit of the condensing unit shall consist of Manufacturer inverter scroll compressors, motors, fans, condenser coil, electronic expansion valves, solenoid valves, 4-way valve, distribution headers, capillaries, filters, shut off valves, oil separators, service ports and refrigerant accumulator.

Liquid and suction lines must be individually insulated between the condensing and indoor units.

2. The condensing unit can be wired and piped with access from the left, right, rear or bottom.

3. The connection ratio of indoor units to condensing unit shall be permitted up to 200%.

4. Each condensing system shall be able to support the connection of up to 64 indoor units dependent on the model of the condensing unit.

5. The sound pressure level standard shall be that value as listed in the manufacturer engineering manual for the specified models at 3 feet from the front of the unit. The condensing unit shall be capable of operating automatically at further reduced noise during night time or via an external input

6. The system will automatically restart operation after a power failure and will not cause any settings to be lost, thus eliminating the need for reprogramming.

7. The unit shall incorporate an auto-charging feature to ensure optimum performance. Manual changing should be support with a minimum of 2 hours of system operation data to ensure correct operation

8. The condensing unit shall be modular in design and should allow for side-by-side installation with minimum spacing.

9. The following safety devices shall be included on the condensing unit; high pressure sensor and switch, low pressure switch, control circuit fuses, crankcase heaters, fusible plug, overload relay, inverter overload protector, thermal protectors for compressor and fan motors, over current protection for the inverter and anti-recycling timers.

10. To ensure the liquid refrigerant does not flash when supplying to the various indoor units, the circuit shall be provided with a sub-cooling feature.

11. Oil recovery cycle shall be automatic occurring 2 hours after start of operation and then every 8 hours of operation

12. The condensing unit shall be capable of heating operation at 0°F dry bulb ambient temperature without additional low ambient controls or an auxiliary heat source.

B. Unit Cabinet:

1. The condensing unit shall be completely weatherproof and corrosion resistant. The unit shall be constructed from rust-proofed mild steel panels coated with a baked enamel finish.

C. Fan:

1. The condensing unit shall consist of one or more propeller type, direct-drive 350 or 750 W fan motors that have multiple speed operation via a DC (digitally commutating) inverter.

Nominal Size Fan Motor Output (W) & Quantity

6 ton 750 x 1

8 ton 350 x 2

10 ton 350 x 2

12 ton 750 x 2

14 ton 750 x 2

16 ton (350 x 2) + (750 x 1)

18 ton (350 x 2) + (350 x 2)

20 ton (350 x 2) + (350 x 2)

22 ton (350 x 2) + (750 x 2)

24 ton (750 x 2) + (750 x 2)

26 ton (750 x 2) + (750 x 2)

28 ton (750 x 2) + (750 x 2)

30 ton (350 x 2) + (350 x 2) + (350 x 2)

2. The condensing unit fan motor shall have multiple speed operation of the DC (digitally commutating) inverter type, and be of high external static pressure and shall be factory set as standard at 0.12 in. WG. A field setting switch to a maximum 0.32

in. WG pressure is available to accommodate field applied duct for indoor mounting of condensing units.

3. The fan shall be a vertical discharge configuration with a nominal airflow maximum range of 5,544 CFM to 22,283 CFM dependent on model specified.

4. Nominal sound pressure levels shall be as shown below.

Nominal Size Sound Pressure Level dB(A)

6 ton 58

8 ton 61

10 ton 61

12 ton 64

14 ton 65

16 ton 63

18 ton 64

20 ton 64

22 ton 66

24 ton 67

26 ton 68

28 ton 68

30 ton 66

5. The fan motor shall have inherent protection and permanently lubricated bearings and be mounted.

6. The fan motor shall be provided with a fan guard to prevent contact with moving parts.

7. Night setback control of the fan motor for low noise operation by way of automatically limiting the maximum speed shall be a standard feature. Operation sound level shall be selectable from 3 steps.

D. Condenser Coil:

1. The condenser coil shall be manufactured from copper tubes expanded into aluminum fins to form a mechanical bond.

2. The heat exchanger coil shall be of a waffle louver fin and rifled bore tube design to ensure high efficiency performance.

3. The heat exchanger on the condensing units shall be manufactured from Hi-X seamless copper tube with N-shape internal grooves mechanically bonded on to aluminum fins to an e- Pass Design.

4. The fins are to be covered with an anti-corrosion Ulta Gold coating as standard with a salt spray test rating of 1000hr(ASTM B117), Acetic acid salt spray test: 500hr(ASTM G85)

5. The pipe plates shall be treated with powdered polyester resin for corrosion prevention.

6. The condensing unit shall be factory equipped with condenser coil guards on all sides.

E. Compressor:

1. The Manufacturer inverter scroll compressors shall be variable speed (PVM inverter) controlled which is capable of changing the speed to follow the variations in total cooling and heating load as determined by the suction gas pressure as measured in the condensing unit. The target suction pressure should be capable of automatic reset based on outdoor temperature and system load to improve efficiency. In addition, samplings of evaporator and condenser temperatures shall be made so that the high/low pressures detected are read every 20 seconds and calculated.

With each reading, the compressor capacity (INV frequency) shall be controlled to eliminate deviation from target value.

2. The inverter driven compressors in the condensing unit shall be of highly efficient reluctance DC (digitally commutating), hermetically sealed scroll “G-type” or “J-type”.

3. Neodymium magnets shall be adopted in the rotor construction to yield a higher torque and efficiency in the compressor instead of the normal ferrite magnet type. At complete stop of the compressor, the neodymium magnets will position the rotor into the optimum position for a low torque start.

4. The capacity control range shall be as low as 10% to 100%.

5. Each compressor shall be equipped with a crankcase heater, high pressure safety switch, and internal thermal overload protector.

6. Oil separators shall be standard with the equipment together with an intelligent oil management system.

7. The compressor shall be spring mounted to avoid the transmission of vibration eliminating the standard need for spring insolation

8. Compressor configurations

Tonnage Number of Compressors

Compressor Types

6 1 Inverter controlled

8 1 Inverter controlled

10 1 Inverter controlled

12 2 All inverter controlled

14 2 All inverter controlled

16 2 All inverter controlled

18 2 All inverter controlled

20 2 All inverter controlled

22 3 All inverter controlled

24 4 All inverter controlled

26 4 All inverter controlled

28 4 All inverter controlled

30 3 All inverter controlled

9. In the event of compressor failure the remaining compressors shall continue to operate and provide heating or cooling as required at a proportionally reduced capacity. The microprocessor and associated controls shall be designed to specifically address this condition for single module and manifolded systems

10. In the case of multiple condenser modules, conjoined operation hours of the compressors shall be balanced by means of the Duty Cycling Function, ensuring sequential starting of each module at each start/stop cycle, completion of oil return, completion of defrost or every 8 hours. When connected to a central control system sequential start is activated for all system on each DIII network

F. Electrical:

1. The power supply to the condensing unit shall be 460 volts, 3 phase, 60 hertz +/- 10%.

2. The control voltage between the indoor and condensing unit shall be 16VDC non-shielded, stranded 2 conductor cable.

3. The control wiring shall be a two-wire multiplex transmission system, making it possible to connect multiple indoor units to one condensing unit with one 2-cable wire, thus simplifying the wiring installation

4. The control wiring maximum lengths shall be as shown below.

Condenser to Indoor Unit

Condenser to Central Controller

Indoor Unit to Remote Control

Control Wiring Length 6,665 ft 3,330 ft 1,665 ft

Wire Type 16/18 AWG, 2 wire, non-polarity, non-shielded, stranded

Part 5 - HVAC EQUIPMENT ALTERNATE (GENERAL INFORMATION)

5.01 The equipment supplier shall provide to the bidding mechanical contractor a complete equipment data package. This package shall include, but is not limited to, equipment capacities at the design condition, power requirements, indoor units CFM/static pressures, fan curves, installation requirements, and physical dimensions. Nominal performance data is not acceptable.

The mechanical contractor shall request and receive the equipment data package 15 days prior to bid date and submit this package with the alternate bid.

The mechanical contractor shall list the equipment supplier and submit the required data package with the bid detailing a complete comparison of the proposed equipment to the specified equipment and the associated cost reduction of the alternate equipment. The contractor bids an alternate manufacturer with full knowledge that that manufactures product may not be acceptable or approved.

5.02 The alternate equipment supplier shall furnish a complete drawing package to the mechanical contractor 15 days prior to bid day for bidding and installation.

The drawing format shall be .dxf or equivalent, on 30"x42" sheets. The HVAC and electrical series design documents will be made available in electronic format for use by the equipment supplier in preparing their drawings. The alternate equipment supplier shall prepare the following drawings:

XXX HVAC Floor Plan XXX HVAC Refrigerant Piping Plan XXX HVAC Refrigerant Piping/Controls Details XXX HVAC Details XXX HVAC Schedules

The alternate equipment supplier shall draft all piping circuits, components, overall building control schematic, detailed control wiring diagrams, system details and schedules for their system. The drawings shall convey all requirements to successfully install the alternate equipment suppliers system.

The submitted documents shall be complete system designs and show no less information than the HVAC equipment/controls contract bid documents.

5.03 The equipment supplier shall submit as part of the equipment data package condensing unit data sheets. Data sheets to include the following:

Capacities at project design conditions: Cooling Cooling (Btu/h)

Cooling Input Power – ducted (kW) Cooling Input Power – ductless (kW) Cooling Input Power – mixed (kW)

Part Load IEER – ducted Part Load IEER – ductless Part Load IEER - mixed

Full Load EER – ducted Full Load EER – ductless Full Load EER - mixed

Capacities at project design conditions: Heating Heating (Btu/h)

Heating Input Power – ducted (kW) Heating Input Power – ductless (kW) Heating Input Power – mixed (kW)

Full Load COP@47F – ducted Full Load COP@47F – ductless Full Load COP@47F – mixed

Full Load COP@17F – ducted Full Load COP@17F – ductless Full Load COP@17F – mixed

The submitted capacity and efficiency performance must meet or exceed the listed performance on the schedule at the designed space conditions including de-rate factors for defrost if applicable and refrigerant piping losses.

Operating Temperature Range:

Cooling Heating

Power Supply:

Maximum Circuit Amps (MCA) Maximum Overcurrent Protection Amps (MOP) Maximum Starting Current (MSC) Condenser Fan Motor

Refrigerant:

Refrigerant Type and Charge details including field charge for piping to ensure code compliance

Control of refrigerant temperatures based on weather and load or alterative function

Unit Data:

Max. Number of Indoor Units Sound Pressure Level at 3ft. (dBA) Weight (lbs) Dimensions Demand limit function description Details on sequential start functionality Coil anticorrosion data

5.04 The equipment supplier shall guarantee the performance of their system and all published data submitted. Performance shall be based on the design criteria below.

Room Temperature (Cooling): _________________________________ Room Temperature (Heating): _________________________________ Ambient Temperature (Summer): _______________________________

Ambient Temperature (Winter): ________________________________ Defrost De-rate Factor: _____________________________________

Refrigerant Piping Loss: _____________________________________

5.05 The alternate equipment supplier shall submit with bid, indoor unit data sheets.

Data sheets to include the following:

Capacities at project design conditions:

Cooling Input Power (kW) Part Load IEER Full Load EER Heating (Btu/h) Heating Input Power (kW) Full Load COP@47F Full Load COP@17F Air Flow (CFM)

External Static Pressure (ESP) Electrical Data (MCA, MOP, MSC, RLA) Weight (lbs) Dimensions

Variable Refrigerant Volume Indoor Fan Coil Units 23720

HVAC Guide Specifications Multiple Evaporator, Direct Expansion (DX), Air-Cooled, Variable Capacity, Split System

Section 23720 – Variable Refrigerant Volume Indoor Fan Coil Units

Size Range:

0.6 to 8 Tons Nominal

Part 1 – GENERAL

VARIABLE REFRIGERANT VOLUME (VRV / VRV-S) AIR CONDITIONING

SPECIFICATION – Heat Pump Indoor Units

1.01 QUALITY ASSURANCE

A. The units shall be tested by a Nationally Recognized Testing Laboratory (NRTL), in accordance with ANSI/UL 1995/CAN/CSA-C22.2 No. 236-05 (R2009) – Heating and Cooling Equipment and bear the Listed Mark.

B. All wiring shall be in accordance with the National Electric Code (NEC)/Canadian Electrical Code (CEC).

C. The system will be produced in an ISO 9001 and ISO 14001 facility, which are standards set by the International Standard Organization (ISO). The system shall be factory tested for safety and function.

D. The outdoor unit will be factory charged with R-410A.

1.02 DELIVERY, STORAGE AND HANDLING

A. Unit shall be stored and handled according to the manufacturer’s recommendations.

Part 2 – WARRANTY

STANDARD LIMITED WARRANTY

The manufacturer shall warranty products installed that are under normal use and maintenance for comfort cooling and conditioning applications such products (the “Products”) will be free from defects in material and workmanship. This warranty applies to compressor and all parts and is limited in duration to ten (10) years starting from the ‘’installation date’’ which is one of the two dates below:

a. The installation date is the date that the unit is originally commissioned, but no later than 18 months after the manufacture date noted on the unit’s rating plate.

b. If the date the unit is originally commissioned cannot be verified, the installation date is three months after the manufacture date.

Part 3 – PERFORMANCE

3.01 In any event the contractor shall be responsible for performance of all specified items and intents of this document without further compensation.

Part 4 – PRODUCTS

4.01 CONCEALED CEILING DUCTED UNIT (Med. Static)

A. General: Manufacturer indoor unit shall be a built-in ceiling concealed fan coil unit, operable with refrigerant R-410A, equipped with an electronic expansion valve, for installation into the ceiling cavity. It is constructed of a galvanized steel casing. It shall be available in capacities from 72,000 Btu/h to 96,000 Btu/h. Indoor units shall be connected to outdoor unit heat pump.

It shall be a horizontal discharge air with horizontal return air configuration.

All models feature a low height cabinet making them applicable to ceiling pockets that tend to be shallow. Computerized PID control shall be used to control superheat to deliver a comfortable room temperature condition. The indoor units sound pressure shall be 48 dB(A) at low speed measured 5 feet below the ducted unit.

B. Performance: Each unit’s performance is based on site operating conditions:

C. Indoor Unit:

1. The Manufacturer indoor unit shall be completely factory assembled and tested. Included in the unit is factory wiring, piping, electronic proportional expansion valve, control circuit board, fan motor thermal protector, flare connections, self-diagnostics, auto-restart function, 3-minute fused time delay, and test run switch. The unit shall have an adjustable external static pressure switch.

2. Indoor unit and refrigerant pipes will be charged with dehydrated air prior to shipment from the factory.

3. Both refrigerant lines shall be insulated from the outdoor unit.

4. The indoor units shall be equipped with a return air thermistor.

5. The indoor unit will be separately powered with 208~230V/1-phase/60Hz.

6. The voltage range will be 253 volts maximum and 187 volts minimum.

D. Unit Cabinet:

1. The cabinet shall be located into the ceiling and ducted to the supply and return openings.

2. The cabinet shall be constructed with sound absorbing foamed polystyrene and polyethylene insulation.

E. Fan:

1. The fan shall be direct-drive Sirocco type fan, statically and dynamically balanced impeller with high and low fan speeds available.

2. The fan motor shall operate on 208/230 volts, 1 phase, 60 hertz, with a motor output of 0.51 HP.

3. The airflow rate shall be available in high and low settings.

4. The fan motor shall be thermally protected.

Nominal Size

(MBH)

Cooling (Indoor 80°F DB / 67°F WB, Outdoor 95°F DB, 25 ft pipe length)

Heating (Indoor 47°F DB / 43°F WB, Outdoor 70°F DB, 25 ft pipe length)

7 7,500 8,500

9 9,500 10,500

12 12,000 13,500

15 15,000 16,500

18 18,000 20,000

24 24,000 27,000

30 30,000 34,000

36 36,000 40,000

48 48,000 54,000

5. The fan motor shall be equipped as standard with adjustable external static pressure (ESP) settings.

F. Coil:

1. Coils shall be of the direct expansion type constructed from copper tubes expanded into aluminum fins to form a mechanical bond.

2. The coil shall be of a waffle louver fin and high heat exchange, rifled bore tube design to ensure highly efficient performance.

3. The coil shall be a 3 row cross fin copper evaporator coil with 13 fpi design completely factory tested.

4. The refrigerant connections shall be flare connections and the condensate will be 1-5/16 inch outside diameter PVC.

5. A thermistor will be located on the liquid and gas line.

G. Electrical:

1. A separate power supply will be required of 208/230 volts, 1 phase, 60 hertz. The acceptable voltage range shall be 187 to 253 volts.

2. Transmission (control) wiring between the indoor and outdoor unit shall be a maximum of 3,280 feet (total 6,560 feet).

3. Transmission (control) wiring between the indoor unit and remote controller shall be a maximum distance of 1,640 feet.

H. Control:

1. The unit shall have controls provided by Manufacturer to perform input functions necessary to operate the system.

2. The unit shall be compatible with interfacing with a BMS system via optional LonWorks or BACnet gateways.

3. The unit shall be compatible with a Manufacturer Intelligent Touch Manager advanced multi-zone controller.

Part 5 - HVAC EQUIPMENT ALTERNATE (GENERAL INFORMATION)

5.01 The manufacturer equipment supplier shall provide to the bidding mechanical contractor a complete equipment data package. This package shall include, but is not limited to, equipment capacities at the design condition, power requirements, indoor units CFM/static pressures, fan curves, installation requirements, and physical dimensions.

Nominal performance data is not acceptable.

The mechanical contractor shall request and receive the equipment data package 15 days prior to bid date and submit this package with the alternate bid.

The mechanical contractor shall list the equipment supplier and submit the required data package with the bid detailing a complete comparison of the proposed alternate equipment to the specified equipment and the associated cost reduction of the alternate equipment. The contractor bids an alternate manufacturer with full knowledge that that manufactures product may not be acceptable or approved.

5.02 The alternate equipment supplier shall furnish a complete drawing package to the mechanical contractor 15 days prior to bid day for bidding and installation. The drawing format shall be .dxf or equivalent, on 30"x42" sheets. The HVAC and electrical series design documents will be made available in electronic format for use by the equipment supplier in preparing their drawings. The alternate equipment supplier shall prepare the following drawings:

XXX HVAC Floor Plan XXX HVAC Refrigerant Piping Plan XXX HVAC Refrigerant Piping/Controls Details XXX HVAC Details XXX HVAC Schedules

The alternate equipment supplier shall draft all piping circuits, components, overall building control schematic, detailed control wiring diagrams, system details and schedules for their system. The drawings shall convey all requirements to successfully install the alternate equipment suppliers system.

Provide (2) drawing package sets plotted on 20 lb. vellum. Provide (1) drawing package in electronic format (.dxf files) on CD.

The submitted documents shall be complete system designs and show no less information than the HVAC equipment/controls contract bid documents.

5.03 The equipment supplier shall submit as part of the equipment data package outdoor unit data sheets. Data sheets to include the following:

Capacities at project design conditions: Cooling

Cooling Input Power (kW)

Capacities at project design conditions: Heating

Heating Input Power (kW)

The submitted capacity and efficiency performance must meet or exceed the listed performance on the schedule at the designed outdoor ambient, and indoor space temperature conditions including de-rate factors for defrost and refrigerant piping lengths.

Operating Temperature Range:

Cooling Heating

Power Supply:

Maximum Circuit Amps (MCA) Maximum Overcurrent Protection Amps (MOP) Maximum Starting Current (MSC) Outdoor Fan Motor

Refrigerant:

Refrigerant Type/Charge Control

Unit Data:

Max. Number of Indoor Units Sound Pressure Level at 3ft. (dBA)

5.04 The equipment supplier shall guarantee the performance of their system and all published data submitted. Performance shall be based on the design criteria below.

Room Temperature (Cooling): _________________________________ Room Temperature (Heating): _________________________________ Ambient Temperature (Summer): _______________________________

Ambient Temperature (Winter): ________________________________ Defrost De-rate Factor: _______________________________________ Refrigerant Piping Loss in cooling (correction factor): _______________

Refrigerant Piping Loss in heating (correction factor): _______________

5.05 The alternate equipment supplier shall submit with bid, indoor unit data sheets. Data sheets to include the following:

Capacities:

Air Flow (CFM)

External Static Pressure (ESP) Electrical Data (MCA, MOP, MSC)

COMMON WORK RESULTS FOR PLUMBING 220500 - 1

SECTION 220500 - COMMON WORK RESULTS FOR PLUMBING

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Piping materials and installation instructions common to most piping systems.

2. Sleeves.

3. Escutcheons.

4. Grout.

5. Equipment installation requirements common to equipment sections.

6. Supports and anchorages.

1.2 DEFINITIONS

A. Finished Spaces: Spaces other than plumbing and electrical equipment rooms, furred spaces, pipe chases, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawlspaces, and tunnels.

B. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces and plumbing equipment rooms.

C. Exposed, Exterior Installations: Exposed to view outdoors or subject to outdoor ambient temperatures and weather conditions. Examples include rooftop locations.

D. Concealed, Interior Installations: Concealed from view and protected from physical contact by building occupants. Examples include above ceilings and in chases.

E. Concealed, Exterior Installations: Concealed from view and protected from weather conditions and physical contact by building occupants but subject to outdoor ambient temperatures.

Examples include installations within unheated shelters.

PART 2 - PRODUCTS

2.1 PIPE, TUBE, AND FITTINGS

A. Refer to individual Division 22 piping Sections for pipe, tube, and fitting materials and joining methods.

B. Pipe Threads: ASME B1.20.1 for factory-threaded pipe and pipe fittings.

COMMON WORK RESULTS FOR PLUMBING 220500 - 2

2.2 JOINING MATERIALS

A. Refer to individual Division 22 piping Sections for special joining materials not listed below.

B. Solder Filler Metals: ASTM B 32, lead-free alloys. Include water-flushable flux according to

ASTM B 813.

C. Brazing Filler Metals: AWS A5.8, BCuP Series or BAg1, unless otherwise indicated.

D. Solvent Cements for Joining Plastic Piping:

1. ABS Piping: ASTM D 2235.

2. CPVC Piping: ASTM F 493.

3. PVC Piping: ASTM D 2564. Include primer according to ASTM F 656.

4. PVC to ABS Piping Transition: ASTM D 3138.

2.3 MECHANICAL SLEEVE SEALS

A. Description: Modular sealing element unit, designed for field assembly, to fill annular space between pipe and sleeve.

B. Sealing Elements: EPDM or NBR interlocking links shaped to fit surface of pipe. Include type and number required for pipe material and size of pipe.

C. Pressure Plates: Plastic, Include two for each sealing element.

D. Connecting Bolts and Nuts: Carbon steel with corrosion-resistant coating of length required to secure pressure plates to sealing elements. Include one for each sealing element.

2.4 SLEEVES

A. Galvanized-Steel Sheet: 0.0239-inch (0.6-mm) minimum thickness; round tube closed with welded longitudinal joint.

B. Steel Pipe: ASTM A 53, Type E, Grade B, Schedule 40, galvanized, plain ends.

C. Cast Iron: Cast or fabricated "wall pipe" equivalent to ductile-iron pressure pipe, with plain ends and integral waterstop, unless otherwise indicated.

D. Stack Sleeve Fittings: Manufactured, cast-iron sleeve with integral clamping flange. Include clamping ring and bolts and nuts for membrane flashing.

1. Underdeck Clamp: Clamping ring with set screws.

E. Molded PVC: Permanent, with nailing flange for attaching to wooden forms.

F. PVC Pipe: ASTM D 1785, Schedule 40.

G. Molded PE: Reusable, PE, tapered-cup shaped, and smooth-outer surface with nailing flange for attaching to wooden forms.

COMMON WORK RESULTS FOR PLUMBING 220500 - 3

2.5 ESCUTCHEONS

A. Description: Manufactured wall and ceiling escutcheons and floor plates, with an ID to closely fit around pipe, tube, and insulation of insulated piping and an OD that completely covers opening.

B. One-Piece, Deep-Pattern Type: Deep-drawn, box-shaped brass with polished chrome-plated finish.

C. One-Piece, Cast-Brass Type: With set screw.

1. Finish: Polished chrome-plated.

D. Split-Casting, Cast-Brass Type: With concealed hinge and set screw.

1. Finish: Polished chrome-plated.

2.6 GROUT

A. Description: ASTM C 1107, Grade B, nonshrink and nonmetallic, dry hydraulic-cement grout.

1. Characteristics: Post-hardening, volume-adjusting, nonstaining, noncorrosive, nongaseous, and recommended for interior and exterior applications.

2. Design Mix: 5000-psi (34.5-MPa), 28-day compressive strength.

3. Packaging: Premixed and factory packaged.

PART 3 - EXECUTION

3.1 COMMON REQUIREMENTS

A. Install piping according to the following requirements and Division 22 Sections specifying piping systems.

B. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated unless deviations to layout are approved on Coordination Drawings.

C. Install piping in concealed locations, unless otherwise indicated and except in equipment rooms and service areas.

D. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

E. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal.

F. Install piping to permit valve servicing.

COMMON WORK RESULTS FOR PLUMBING 220500 - 4

G. Install piping at indicated slopes.

H. Install piping free of sags and bends.

I. Install fittings for changes in direction and branch connections.

J. Install piping to allow application of insulation.

K. Select system components with pressure rating equal to or greater than system operating pressure.

L. Install escutcheons for penetrations of walls, ceilings, and floors.

M. Install sleeves for pipes passing through concrete and masonry walls, gypsum-board partitions, and concrete floor and roof slabs.

N. Aboveground, Exterior-Wall Pipe Penetrations: Seal penetrations using sleeves and mechanical sleeve seals. Select sleeve size to allow for 1-inch (25-mm) annular clear space between pipe and sleeve for installing mechanical sleeve seals.

1. Install steel pipe for sleeves smaller than 6 inches (150 mm) in diameter.

2. Install cast-iron "wall pipes" for sleeves 6 inches (150 mm) and larger in diameter.

3. Mechanical Sleeve Seal Installation: Select type and number of sealing elements required for pipe material and size. Position pipe in center of sleeve. Assemble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

O. Underground, Exterior-Wall Pipe Penetrations: Install cast-iron "wall pipes" for sleeves. Seal pipe penetrations using mechanical sleeve seals. Select sleeve size to allow for 1-inch (25-mm) annular clear space between pipe and sleeve for installing mechanical sleeve seals.

1. Mechanical Sleeve Seal Installation: Select type and number of sealing elements required for pipe material and size. Position pipe in center of sleeve. Assemble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

P. Fire-Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe penetrations. Seal pipe penetrations with firestop materials. Refer to Division 07

Section "Penetration Firestopping" for materials.

Q. Verify final equipment locations for roughing-in.

3.2 PIPING JOINT CONSTRUCTION

A. Join pipe and fittings according to the following requirements and Division 22 Sections specifying piping systems.

B. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.

COMMON WORK RESULTS FOR PLUMBING 220500 - 5

C. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

D. Soldered Joints: Apply ASTM B 813, water-flushable flux, unless otherwise indicated, to tube end. Construct joints according to ASTM B 828 or CDA's "Copper Tube Handbook," using lead-free solder alloy complying with ASTM B 32.

E. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," "Pipe and Tube"

Chapter, using copper-phosphorus brazing filler metal complying with AWS A5.8.

F. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows:

1. Apply appropriate tape or thread compound to external pipe threads unless dry seal threading is specified.

2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged. Do not use pipe sections that have cracked or open welds.

G. Plastic Piping Solvent-Cement Joints: Clean and dry joining surfaces. Join pipe and fittings according to the following:

1. Comply with ASTM F 402, for safe-handling practice of cleaners, primers, and solvent cements.

2. ABS Piping: Join according to ASTM D 2235 and ASTM D 2661 Appendixes.

3. CPVC Piping: Join according to ASTM D 2846/D 2846M Appendix.

4. PVC Pressure Piping: Join schedule number ASTM D 1785, PVC pipe and PVC socket fittings according to ASTM D 2672. Join other-than-schedule-number PVC pipe and socket fittings according to ASTM D 2855.

5. PVC Nonpressure Piping: Join according to ASTM D 2855.

6. PVC to ABS Nonpressure Transition Fittings: Join according to ASTM D 3138

Appendix.

H. Plastic Pressure Piping Gasketed Joints: Join according to ASTM D 3139.

I. Plastic Nonpressure Piping Gasketed Joints: Join according to ASTM D 3212.

J. PE Piping Heat-Fusion Joints: Clean and dry joining surfaces by wiping with clean cloth or paper towels. Join according to ASTM D 2657.

1. Plain-End Pipe and Fittings: Use butt fusion.

2. Plain-End Pipe and Socket Fittings: Use socket fusion.

3.3 PIPING CONNECTIONS

A. Make connections according to the following, unless otherwise indicated:

1. Install unions, in piping NPS 2 (DN 50) and smaller, adjacent to each valve and at final connection to each piece of equipment.

COMMON WORK RESULTS FOR PLUMBING 220500 - 6

2. Dry Piping Systems: Install dielectric unions and flanges to connect piping materials of dissimilar metals.

3. Wet Piping Systems: Install dielectric coupling and nipple fittings to connect piping materials of dissimilar metals.

3.4 EQUIPMENT INSTALLATION - COMMON REQUIREMENTS

A. Install equipment to allow maximum possible headroom unless specific mounting heights are not indicated.

B. Install equipment level and plumb, parallel and perpendicular to other building systems and components in exposed interior spaces, unless otherwise indicated.

C. Install plumbing equipment to facilitate service, maintenance, and repair or replacement of components. Connect equipment for ease of disconnecting, with minimum interference to other installations. Extend grease fittings to accessible locations.

D. Install equipment to allow right of way for piping installed at required slope.

3.5 ERECTION OF METAL SUPPORTS AND ANCHORAGES

A. Refer to Division 05 Section "Metal Fabrications" for structural steel.

B. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor plumbing materials and equipment.

C. Field Welding: Comply with AWS D1.1.

3.6 ERECTION OF WOOD SUPPORTS AND ANCHORAGES

A. Cut, fit, and place wood grounds, nailers, blocking, and anchorages to support, and anchor plumbing materials and equipment.

B. Select fastener sizes that will not penetrate members if opposite side will be exposed to view or will receive finish materials. Tighten connections between members. Install fasteners without splitting wood members.

C. Attach to substrates as required to support applied loads.

3.7 GROUTING

A. Mix and install grout for plumbing equipment base bearing surfaces, pump and other equipment base plates, and anchors.

B. Clean surfaces that will come into contact with grout.

C. Provide forms as required for placement of grout.

COMMON WORK RESULTS FOR PLUMBING 220500 - 7

D. Avoid air entrapment during placement of grout.

E. Place grout, completely filling equipment bases.

F. Place grout on concrete bases and provide smooth bearing surface for equipment.

G. Place grout around anchors.

H. Cure placed grout.

END OF SECTION 220500

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 1

SECTION 220529 - HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Steel pipe hangers and supports.

2. Trapeze pipe hangers.

3. Metal framing systems.

4. Thermal-hanger shield inserts.

5. Fastener systems.

6. Equipment supports.

1.2 DEFINITIONS

A. Terminology: As defined in MSS SP-90, "Guidelines on Terminology for Pipe Hangers and

Supports."

1.3 PERFORMANCE REQUIREMENTS

A. Design supports for multiple pipes capable of supporting combined weight of supported systems, system contents, and test water.

B. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components.

C. Design seismic-restraint hangers and supports for piping and equipment and obtain approval from authorities having jurisdiction.

1.4 SUBMITTALS

A. Product Data: For the following:

1. Steel pipe hangers and supports.

2. Thermal-hanger shield inserts.

3. Powder-actuated fastener systems.

B. Shop Drawings: Signed and sealed by a qualified professional engineer. Show fabrication and installation details and include calculations for the following:

1. Trapeze pipe hangers. Include Product Data for components.

2. Metal framing systems. Include Product Data for components.

3. Equipment supports.

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 2

C. Welding certificates.

1.5 QUALITY ASSURANCE

A. Welding: Qualify procedures and personnel according to ASME Boiler and Pressure Vessel

Code: Section IX.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, the following requirements apply to product selection:

1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, manufacturers specified.

2. Manufacturers: Subject to compliance with requirements, provide products by one of the manufacturers specified.

2.2 STEEL PIPE HANGERS AND SUPPORTS

A. Description: MSS SP-58, Types 1 through 58, factory-fabricated components. Refer to Part 3

"Hanger and Support Applications" Article for where to use specific hanger and support types.

B. Available Manufacturers:

1. AAA Technology & Specialties Co., Inc.

2. Bergen-Power Pipe Supports.

3. B-Line Systems, Inc.; a division of Cooper Industries.

4. Carpenter & Paterson, Inc.

5. Empire Industries, Inc.

6. ERICO/Michigan Hanger Co.

7. Globe Pipe Hanger Products, Inc.

8. Grinnell Corp.

9. GS Metals Corp.

10. National Pipe Hanger Corporation.

11. PHD Manufacturing, Inc.

12. PHS Industries, Inc.

13. Piping Technology & Products, Inc.

14. Tolco Inc.

2.3 TRAPEZE PIPE HANGERS

A. Description: MSS SP-69, Type 59, shop- or field-fabricated pipe-support assembly made from structural-steel shapes with MSS SP-58 hanger rods, nuts, saddles, and U-bolts.

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 3

2.4 METAL FRAMING SYSTEMS

A. Description: MFMA-3, shop- or field-fabricated pipe-support assembly made of steel channels and other components.

B. Manufacturers:

1. B-Line Systems, Inc.; a division of Cooper Industries.

2. ERICO/Michigan Hanger Co.; ERISTRUT Div.

3. GS Metals Corp.

4. Power-Strut Div.; Tyco International, Ltd.

5. Thomas & Betts Corporation.

6. Tolco Inc.

7. Unistrut Corp.; Tyco International, Ltd.

C. Coatings: Manufacturer's standard finish, unless bare metal surfaces are indicated.

D. Nonmetallic Coatings: Plastic coating, jacket, or liner.

2.5 THERMAL-HANGER SHIELD INSERTS

A. Description: 100-psig- (690-kPa-) minimum, compressive-strength insulation insert encased in sheet metal shield.

B. Manufacturers:

1. Carpenter & Paterson, Inc.

2. ERICO/Michigan Hanger Co.

3. PHS Industries, Inc.

4. Pipe Shields, Inc.

5. Rilco Manufacturing Company, Inc.

6. Value Engineered Products, Inc.

C. Insulation-Insert Material for Hot Piping: Water-repellent treated, ASTM C 533, Type I calcium silicate or ASTM C 552, Type II cellular glass.

D. For Trapeze or Clamped Systems: Insert and shield shall cover entire circumference of pipe.

E. For Clevis or Band Hangers: Insert and shield shall cover lower 180 degrees of pipe.

F. Insert Length: Extend 2 inches (50 mm) beyond sheet metal shield for piping operating below ambient air temperature.

2.6 FASTENER SYSTEMS

A. Powder-Actuated Fasteners: Threaded-steel stud, for use in hardened portland cement concrete with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

1. Available Manufacturers:

HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT 220529 - 4

a. Hilti, Inc.

b. ITW Ramset/Red Head.

c. Masterset Fastening Systems, Inc.

d. MKT Fastening, LLC.

e. Powers Fasteners.

B. Mechanical-Expansion Anchors: Insert-wedge-type [zinc-coated] [stainless] steel, for use in hardened portland cement concrete with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

1. Available Manufacturers:

a. B-Line Systems, Inc.; a division of Cooper Industries.

b. Empire Industries, Inc.

c. Hilti, Inc.

d. ITW Ramset/Red Head.

e. MKT Fastening, LLC.

f. Powers Fasteners.

2.7 EQUIPMENT SUPPORTS

A. Description: Welded, shop- or field-fabricated equipment support made from structural-steel shapes.

2.8 MISCELLANEOUS MATERIALS

A. Structural Steel: ASTM A 36/A 36M, steel plates, shapes, and bars;…