W48AC-A05XWXXXJ Specs.pdf

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1.5 to 3 Ton 208V to 460V 60hz Air Conditioner Speci�cations

11EER WA Series WALL-MOUNT™ 1.5 to 3 Ton 208V to 460V 60hz Air Conditioner Specifications.

The Bard Wall-Mount Air Conditioner is a self contained energy efficient system, which is designed to offer maximum indoor comfort at a minimal cost without using valuable indoor floor space or outside ground space. This unitis the ideal productfor versatile applications such as: new construction, modular offices, school modernization, telecommunication structures, portable structures or correctional facilities. Factory or field installed accessories are available to meet specific job requirements for your unique application.

W36AB-A Wall-Mount™

11EER WA Series WALL-MOUNT™ 1.5 to 3 Ton 208V to 460V 60hz Air Conditioner Specifications.

The Bard Wall-Mount Air Conditioner is a self contained energy efficient system, which is designed to offer maximum indoor comfort at a minimal cost without using valuable indoor floor space or outside ground space. This unitis the ideal productfor versatile applications such as: new construction, modular offices, school modernization, telecommunication structures, portable structures or correctional facilities. Factory or field installed accessories are available to meet specific job requirements for your unique application.

W36AB-A Wall-Mount™

11EER WA Series WALL-MOUNT™ 1.5 to 3 Ton 208V to 460V 60hz Air Conditioner Specifications.

The Bard Wall-Mount Air Conditioner is a self contained energy efficient system, which is designed to offer maximum indoor comfort at a minimal cost without using valuable indoor floor space or outside ground space. This unitis the ideal productfor versatile applications such as: new construction, offices, school modernization, telecommunication structures, portable structures or correctional facilities. Factory or field installed accessories are available to meet specific job requirements for your unique application.

W36AB-A Wall-Mount™

11EER WA Series WALL-MOUNT™ 1.5 to 3 Ton 208V to 460V 60hz Air Conditioner Specifications.

The Bard Wall-Mount Air Conditioner is a self contained energy efficient system, which is designed to offer maximum indoor comfort at a minimal cost without using valuable indoor floor space or outside ground space. This unitis the ideal productfor versatile applications such as: new construction, offices, school modernization, telecommunication structures, portable structures or correctional facilities. Factory or field installed accessories are available to meet specific job requirements for your unique application.

W36AB-A Wall-Mount™

BARD WALL-MOUNTTM Air Conditioners 1.5 - 6 Ton Capacity W18A - W72A Models 208V - 460V 60hz

The Bard Wall-Mount Air Conditioner is an energy efficient self contained system, which is designed to offer maximum indoor comfort at a minimal cost without using valuable indoor floor space or outside ground space. This unit is the ideal product for versatile applications such as: new construction, modular offices, school modernization, telecommunication structures, portable structures, correctional facilities and many more. Factory or field installed accessories are available to meet specific job requirements for your unique application.

• Complies with efficiency requirements of

ANSI/ASHRAE/IES 90.1-2019.

• Certified to AHRI Standard 390-2021 for SPVU (Single Package Vertical Units).

• Intertek ETL Listed to Standard for Safety Heating and Cooling Equipment ANSI/UL 1995/CSA 22.2 No. 236-05 Fourth Edition.

• Commercial Product - Not intended for residential applications.

• Bard is an ISO 9001:2015 Certified Manufacturer.

• The AHRI Certified® mark indicates Bard Manufacturing Company participation in the AHRI Certification program. For verification of individual certified products, go to www.ahridirectory.org.

11EER W18A-W60A Series WALL-MOUNTTM

11EER W18L-W36L Series WALL-MOUNTTM

10EER W72A Series WALL-MOUNTTM

Climate Control Solutions

BARDHVAC.COM

FO R M N O. S35 83 - 0 922

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Interactive Table of Contents (Select topic with cursor to go to location, pick to return)/////// page

Interactive Table of Contents (Select topic with cursor to go to location, pick to return) 2 Wall-Mount Nomenclature 3 Engineered Features W18 Through W36 Unit Models 4 Engineered Features - W42 Through W72 Unit Models 5 Unit Modes of Operation 6 Capacity and Efficiency Ratings 7 General Unit Specifications W18 (1-1/2 Ton) Through W48 (4 Ton) 7 General Unit Specifications W60 (5 Ton) Through W72 (6 Ton) 8 R410A Unit Charge Rates 8 Indoor EC Motor Blower Speeds 9 Indoor Airflow Static and Unit Performance 9 Indoor Airflow CFM @ Static Pressures and Adjustable Speeds - W18, W24, W30 Units 10 Indoor Airflow CFM @ Static Pressures and Adjustable Speeds - W36, W42, W48 Units 11 Indoor Airflow CFM @ Static Pressures and Adjustable Speeds - W60 and W72 Units 12 Indoor EC Motor Options for High Resistance Ground Applications 12 Cooling Application Data at Rated Airflow 13 Electrical Specifications: W18 to W36 Units Without Dehumidification 14 Electrical Specifications: W42 to W72 Units Without Dehumidification 15 Electrical Specifications: W30 to W72 Units With Dehumidification 16 Electrical Specifications: W36 to W72 Units With “R” Isolation Option 17 Electric Heat Table - Refer to Electrical Specifications for Availability by Unit Model 17 Field Installed Heater Packages 18 Heater Packages - Field Kits for W18A to W36A Right-Hand Control Panel Units 18 Heater Packages - Field Kits for W18L to W36L Left-Hand Control Panel Units 18 Heater Packages - Field Kits for W42A to W72A Units 19 Heater Packages - Field Kits for W30A to W72A Dehumidification Units 19 Field Generator Use 19 Ventilation Option Selection Chart 20 Fresh Air Damper and Commercial Ventilator Specifications 21 Commercial Ventilator Specifications, CRV-V 22 Economizer Specifications, ECON-NC 22 Economizer Specifications, ECON-DB, ECON-S, and ECON-WD 23 Economizer Control Specifications, JADE Controller 24 Barometric Damper Airflow Charts for W18 - W36 25 Barometric Damper Airflow Charts for W42 - W72 26 Commercial Room Ventilator and Economizer Airflow Charts for W18 - W36 27 Commercial Room Ventilator and Economizer Airflow Charts for W42 - W72 28 Economizer Airflow Charts for W42 - W72 (Continued) 29 Energy Recovery Ventilator (ERV) Specifications 30 Energy Recovery Ventilator (ERV) Performance - W18 and W24 30 Energy Recovery Ventilator (ERV) Performance - W30 and W36 31 Energy Recovery Ventilator (ERV) Performance - W42 to W72 32 Unit Filter Options 33 Filter Replacement Part Number Chart 33 Cabinet Finishes and Construction 34 Evaporator Coil, Condenser Coil, and Cabinet Coatings 34 Evaporator Coil, Condenser Coil, and Cabinet Coatings (Continued) 35 Evaporator Coil and Condenser Coil Coatings Resistance List 35 Cabinet Coatings Process and Resistance 36 Controls Options Definitions 36 Controls Options Definitions 37 Factory Controls Options Chart Including Switches, Sensors, Relays, and Start Kits 38 Field Kit Controls Options Chart Including Switches, Sensors, Relays, and Start Kits 38 Field Installed Air Quality Kits 39 Advanced Sensor Options and Kits 39 Sound Reduction Accessories 39 Optional Shipping Crates 39 Cabinet and Clearance Dimensions - W18A to W36A Right Side Control Panel Units 40 Cabinet and Clearance Dimensions - W18L to W36L Left Side Control Panel Units 41 Cabinet and Clearance Dimensions - W48A to W72A Series Units 42 Wall Curb Accessories 43 Indoor Sound Reduction Accessories 43 Non-Ducted Supply and Return Grilles 43 Non-Ducted Supply Grilles - Spread and Throw Characteristics 44 Sound Data - dBA @ 5 ft. and 10 ft.* 44 Controller, Thermostat, Humidistat and CO2 Ventilation Control Options 45

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Wall-Mount Nomenclature

W 6 0 A C - A 0 Z X P X X X X

NOMINAL CAPACITY

18 - 1.5 Ton 24 - 2.0 Ton 30 - 2.5 Ton 36 - 3.0 Ton 42 - 3.5 Ton 48 - 4.0 Ton 60 - 5.0 Ton 72 - 6.0 Ton

UNIT SERIES

Wall-Mount

REVISION

B - Revision W18-W36 C - Revision W42-W72

PLACEHOLDER

- - Standard Unit D - Hot Gas Reheat Dehumidification R - Motor Isolation (460V only for High Res. Ground)

TYPE AND CONTROL LOCATION

A - Air conditioner L - Air Conditioner with Left Side Control Panel (W18-W36 Only)

VOLTAGE

A - 230 Volt 1 Phase 60 Hz B - 230 Volt 3 Phase 60 Hz C - 460 Volt 3 Phase 60 Hz

ELECTRIC HEAT

00 - 0Kw with Lug Connection 0Z - 0Kw with Circuit Breaker 05 to 20 - Kw Heat with Circuit Breaker See Electrical Specs for further details

VENT PACKAGE

X - Standard Fresh Air Damper (Intake only) A - Fresh Air Damper w/Exhaust B - Block Off Plate M - Commercial Room Ventilator, ON/OFF V - Comm. Room Ventilator, Modulating D - Economizer, 0-10V No Controls Y - Full Flow Economizer, Temperature Z - Full Flow Economizer, Enthalpy R - Energy Recovery Ventilator S - Partial Flow Economizer, Enthalpy no hood (W18-W36 only)

FILTER

X - Standard 1" MERV2 Disposable Filter W - 1" MERV2 Washable Filter P - 2" MERV8 Disposable Filter M - 2" MERV11 Disposable Filter N - 2" MERV13 Disposable Filter A - 2” MERV13 Filter with UVC-LED Light.

COLOR AND CABINET FINISH

X - Standard Beige baked enamel finish 1 - White baked enamel finish 4 - Buckeye Gray baked enamel finish 5 - Desert Brown baked enamel finish 8 - Dark Bronze baked enamel finish S - Stainless Steel A - Aluminum

ACCESSORIES AND CONTROLS OPTIONS

X - Standard controls (HPS,LPS,CCM) E - Low Ambient Control (LAC) F - LAC, Alarm Relay (ALR), Filter Press.

Switch (FPS) J - LAC and Alarm Relay (ALR) K - LAC and PTCR Start Kit M - LAC, ALR, and PTCR Start Kit V - DDC Control Sensor kit with 10K

Discharge air sensor, indoor blower airflow sensor, compressor current sensor, filter press. switch, LAC, ALR.

SUPPLY OUTLET

X - Standard

COIL & UNIT COATING OPTIONS

X - Standard Copper/Aluminum coils.

1 - Coated Evaporator coil.

2 - Coated Condenser coil.

3 - Coated Evaporator and Condenser coils.

4 - Coated coils and unit condenser section coating.

5 - Coated coils and inside/outside of unit coating.

Nomenclature Notes:

• W18, W24, W30 and W36 models are available with the unit control panel located on the left or right unit side. W42, W48, W60, and W72 models have the unit control panel located in the front of the unit.

• Hot Gas Reheat Dehumidification is available with W30, W36, W42, W48, W60, and W72 models.

• Accessories and control options may not be available for all models. See factory installed controls options section for further details.

• All units have an external data tag with the model and serial number on the left or right side of the unit. A secondary data tag with the model and serial number is located inside the conttol panel area on or near the low voltage terminal box.

Digit # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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NEW! EXCLUSIVE *Non-Fiberglass Foil Faced Insulation: Environmentally friendly high “R” value non-fiberglass insulation that is made with recycled denim and cotton materials used with a FSK foil face that is both durable and cleanable.

Durable Cabinet Construction: Multiple cabinet construction options are available for different outdoor conditions. Optional cabinet coatings may be ordered for extreme outdoor environments. See cabinet finish and coatings section for further details.

Easy Filter Access: A separate filter door is provided for ease of filter access during routine unit maintenance. 1” and 2” filters are available with a rating of up to MERV13. See filter section for further details.

Field or Factory Installed Vents: Multiple ventilation options are available to provide outdoor air for ventilation and/or energy savings. Ventilation options may be factory or field installed. See vent section for further details.

Electric Strip Heat: Reliable, comfortable heater packages feature an automatic limit and thermal cut-off safety control. Heater packages may be factory or field installed.

See optional electric heat section for further details.

Built-in Circuit Breakers: Standard on all electric heat versions of single (208/230 volt) and three phase (208/230 volt) equipment. Toggle disconnects are standard on all electric heat versions of three phase (460 volt) equipment.

Reliable, Easy-to-Use Controls: Easily accessible through left or right control panel locations.

A lockable hinged access cover to circuit protection is provided. Phase rotation monitor is standard on all 3 phase models. Adjustable compressor on/off delay timer (CCM) with diagnostic lights is standard on all models. Both right and left control panel locations available. Electrical entrances provided through the back and side areas.

Green Fin Hydrophilic Evaporator Coil: Green fin stock enhances coil wettability to help prevent mold growth, aids with condensate drainage, and provides a limited amount of protection to corrosive particulates in the airstream.

Engineered Features W18 Through W36 Unit Models

*Balanced Climate™ Technology (patent pending): High latent capacity humidity & sound reduction removes up to 35% more humidity than any other on the market with the use of a 2 stage thermostat or controlling device. Bard Balanced ClimateTM innovation comes standard on all models.

Optional Mechanical Dehumidification: Models are available with hot gas reheat dehumidification for energy efficient humidity removal. Electronic Expansion Valves are standard for all dehumidification models.

ECM Indoor Motor Technology: 5 speed dual shaft motor provides quiet airflow operation when used with a twin blower assembly. Motor overload protection standard on all models.

Enclosed Condenser Motor: An enclosed casing condenser motor with ball bearings is used for reliable operation and extended motor life. Enclosed condenser motors are standard on all units.

High Efficiency Cooling: Scroll compressors for quiet, efficient cooling. Designed with R-410A (HFC) non-ozone depleting refrigerant in compliance with the Montreal protocol and 2010 EPA requirements. A liquid line filter-drier is used to protect the system from moisture, and is standard on all units.

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Engineered Features - W42 Through W72 Unit ///////

NEW! EXCLUSIVE *Non-Fiberglass Foil Faced Insulation: Environmentally friendly high “R” value non-fiberglass insulation that is made with recycled denim and cotton materials used with a FSK foil face that is both durable and cleanable.

Durable Cabinet Construction: Multiple cabinet construction options are available for different outdoor conditions. Optional cabinet coatings may be ordered for extreme outdoor environments. See cabinet finish and coatings section for further details.

ECM Indoor Motor Technology: 5 speed dual shaft motor provides quiet airflow operation when used with a twin blower assembly. Motor overload protection standard on all models.

Electric Strip Heat: Reliable, comfortable heater packages feature an automatic limit and thermal cut-off safety control. Heater packages may be factory or field installed.

See optional electric heat section for further details.

Field or Factory Installed Vents: Multiple ventilation options are available to provide outdoor air for ventilation and/or energy savings. Ventilation options may be factory or field installed. See vent section for further details.

Green Fin Hydrophilic Evaporator Coil: Green fin stock enhances coil wettability to help prevent mold growth, aids with condensate drainage, and provides a limited amount of protection to corrosive particulates in the airstream.

Built-in Circuit Breakers: Standard on all electric heat versions of single (208/230 volt) and three phase (208/230 volt) equipment. Toggle disconnects are standard on all electric heat versions of three phase (460 volt) equipment.

Easy Filter Access: A separate filter door is provided for ease of filter access during routine unit maintenance. 1” and 2” filters are available with a rating of up to MERV13. See filter section for further details.

Reliable, Easy-to-Use Controls: Easily accessible through left or right control panel locations.

A lockable hinged access cover to circuit protection is provided. Phase rotation monitor is standard on all 3 phase models. Adjustable compressor on/off delay timer (CCM) with diagnostic lights is standard on all models. Control panel is located in the front of the unit with electrical entrances on both sides and back.

*Balanced Climate™ Technology (patent pending): High latent capacity humidity & sound reduction removes up to 35% more humidity than any other on the market with the use of a 2 stage thermostat or controlling device. Bard Balanced ClimateTM innovation comes standard on all models.

Optional Mechanical Dehumidification: Models are available with hot gas reheat dehumidification for energy efficient humidity removal. Electronic Expansion Valves are standard for all dehumidification models.

Enclosed Condenser Motor: An enclosed casing condenser motor with ball bearings is used for reliable operation and extended motor life. Enclosed condenser motors are standard on all units.

High Efficiency Cooling: Scroll compressors for quiet, efficient cooling. Designed with R-410A (HFC) non-ozone depleting refrigerant in compliance with the Montreal protocol and 2010 EPA requirements. A liquid line filter-drier is used to protect the system from moisture, and is standard on all units.

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Unit Modes of Operation Cooling Operation:

The Bard WA Series products offer single stage compressor cooling operation using R410A refrigerant. Copper tube/Aluminum hydrophilic green fin coils are used to provide high efficiency and easy serviceability. Scroll compressor technology delivers years of quiet, reliable operation. Economizer vent options are available for increased energy efficiency during cooling operation when outdoor conditions are favorable.

Heating Operation:

The Bard WA Series products offer optional single or two stage heating operation using resistance heaters. Circuit breaker disconnect protection is standard in all units equipped with electric heat.

Mechanical Dehumidification (Hot Gas Reheat) Operation:

Mechanical Dehumidification provides an energy efficient way to remove humidity from the indoor air stream without over cooling or overheating the indoor space. The Bard W30 through W72 Series products offer optional dehumidification operation that removes moisture from air entering the unit. A three-way valve, reheat coil, and electronic expansion valve (EEV) are standard with all models. The dehumidification circuit incorporates an independent heat exchanger coil in the supply air stream. This coil reheats the supply air after it passes over the cooling coil without requiring the electric resistance heater to be used for reheat purposes. This results in very high mechanical dehumidification capability from the air conditioner on demand without using electric resistance reheat (electric heat is available for heating purposes). Airflow during dehumidification is reduced resulting in quiet and comfortable operation.

Ventilation:

The Wall-Mount product provides the perfect platform to not only cool and heat an indoor area, but also provide a means of bringing outdoor air into the building. By including ventilation in the Wall-Mount, expensive costs associated with additional outdoor air systems can be avoided. The Bard WA Series products offer optional ventilation operation that brings outdoor air into the structure, and vents can be factory or field installed. Ventilation can be used to bring in outdoor air for occupants, save energy by using outdoor air for free cooling, or positively pressurize a structure. Exhaust air options allow room air to be vented outdoors when fresh air is being brought into the structure. Energy recovery options are also available for occupied structures to save energy when ventilation is necessary regardless of outdoor temperature.

Filtration and Indoor Air Quality:

Providing the best air filtration solution is important to occupants and equipment inside a room or structure. Bard provides several filter options based on MERV filtration, and also other solutions to improve indoor air quality.

Balanced ClimateTM Operation:

Balanced Climate™ is a great feature to remove additional room humidity during cooling operation. All units include this feature as an optional method of having a separate cooling stage that uses a lower indoor blower speed. Remove the Y1/Y2 jumper, and install a two stage cooling thermostat. Once enabled, a first stage of increased humidity removal and lowered cooling capacity will extend unit runtime and increase latent (humidity removal) capacity. Second stage operation will use the standard blower speed. This is a great option where additional humidity reduction is a benefit during normal cooling operation.

Note: Balanced Climate is not recommended for applications where room temperatures will typically be lower than 72°F or duct static will cause airflow to be below rated CFM amounts provided in the Airflow CFM chart in this document. Low Ambient Control use is required for Balanced Climate operation. Hot Gas Reheat is recommended for high humidity environments that require moisture removal without cooling or applications that require a large amount of ventilation air for occupied areas.

Low Outdoor Temperature Cooling Operation:

Equipment cooling often requires indoor areas to remain cool regardless of outdoor temperature. If your application requires operation of the compressor to provide cooling below 65° outdoor conditions, then just like any other HVAC system, a low ambient control (LAC) kit must be installed. The LAC will help maintain higher refrigerant pressure during compressor operation at lower outdoor temperatures. This is achieved by limiting outdoor fan operation based on low side system pressure. As temperatures decrease outdoors, outdoor fan use will continue to decrease. Applications that require cooling functionality from 0°F to -40°F outdoor temperatures must use economizer cooling operation.

Note: The LAC kit also includes a freeze stat installed on the unit indoor evaporator coil. The freeze stat helps monitor the indoor evaporator coil temperature and will cycle compressor operation when temperatures below freezing are indicated. Use of Balanced Climate or applications where indoor airflow will be reduced require the use of the LAC kit to help maintain adequate evaporator coil temperatures.

High Outdoor Temperature Cooling Operation:

The Bard WA Series products are designed and tested to function when used in higher outdoor temperature areas. Wall-Mount products utilize large, efficient condenser coils with high airflow condenser fan systems to save energy and lower high side refrigerant pressures. It is always important to follow all clearance guidelines supplied in the unit dimension section of this specification, and additional information provided in the user manual. Properly cleaning the condenser coil using a regular maintenance schedule along with filter changes will help maintain unit operation during high outdoor ambient temperature use. Always follow maintenance procedures provided in the user manual and installation instructions provided with your Bard product.

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Capacity and Efficiency Ratings

Capacity is certified in accordance with ANSI/ARI Standard 390-2003.

EER = Energy Efficiency Ratio and is certified in accordance with ANSI/ARI Standard 390-2003.

All ratings based on fresh air intake being 100% closed (no outside air introduction).

MODELS W18AB

W18LB

W24AB

W24LB

W30AB

W30LB

W36AB

W36LB W42AC W48AC W60AC W72AC

Cooling Capacity in BTUH 18,000 BTUH 24,000 BTUH 29,200 BTUH 35,200 BTUH 42,000 BTUH 48,000 BTUH 57,000 BTUH 71,000 BTUH

Unit efficiency in EER 11.3 EER 11.2 EER 11.0 EER 11.0 EER 11.0 EER 11.0 EER 11.0 EER 10.0 EER

MODELS W18AB-A

W18LB-A

W24AB-A

W24LB-A

W24AB-B

W24LB-B W24AB-C W30AB-A

W30LB-A

W30AB-B

W30LB-B

W30AB-C

W30LB-C

W36AB-A

W36LB-A

W36AB-B

W36LB-B

W36AB-C

W36LB-C

Unit Voltage Rating - Phase - 60Hz 230/208 - 1 230/208 - 1 230/208 - 3 460 - 3 230/208 - 1 230/208 - 3 460 - 3 230/208 - 1 230/208 - 3 460 - 3

Operating Voltage Range 197-253 V 197-253 V 197-253 V 414-506 V 197-253 V 197-253 V 414-506 V 197-253 V 197-253 V 414-506 V

Compressor Electrical Circuit

Voltage 230/208 V 230/208 V 230/208 V 460 V 230/208 V 230/208 V 460 V 230/208 V 230/208 V 460 V Rated Load Amps 5.7/6.6 A 8.3/9.3 A 5.0/5.6 A 2.7 A 9.6/10.9 A 6.1/6.9 A 3.3 A 11.4/13.2 A 7.1/8.3 A 4.6 A Branch Circuit Selection Current 9.0 A 12.9 A 7.7 A 3.6 A 14.2 A 9.0 A 4.2 A 16.7 A 10.5 A 5.8 A Lock Rotor Amps 56.3/56.3 A 58.3/58.3 A 55.4/55.4 A 28 A 73/73 A 58/58 A 28 A 79/79 A 73/73 A 38 A Compressor Type Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll Scroll

Outdoor Fan Motor & Condenser Fan

Outdoor Fan Motor Horsepower - RPM 1/5 - 1090 1/5 - 1090 1/5 - 1090 1/5 - 1075 1/5 - 1075 1/5 - 1075 1/5 - 1075 1/5 - 1075 1/5 - 1075 1/5 - 1075 Outdoor Fan Motor - Amps 1.1 A 1.1 A 1.1 A 0.6 A 1.2 A 1.2 A 0.6 A 1.2 A 1.2 A 0.6 A Outdoor Fan--Diameter and CFM 18" - 1800 18" - 1800 18" - 1800 18" - 1800 20" - 2400 20" - 2400 20" - 2400 20" - 2200 20" - 2200 20" - 2200

Indoor Blower Motor & Indoor Airflow

Indoor Blower Motor - HP - Speeds 1/3HP-5 sp 1/3HP-5 sp 1/3HP-5 sp 1/3HP-5 sp 1/2HP-5 sp 1/2HP-5 sp 1/2HP-5 sp 1/2HP-5 sp 1/2HP-5 sp 1/2HP-5 sp Indoor Blower Motor - Amps 0.7 A 1.3 A 1.3 A .8 A 1.4 A 1.4 A 1.2 A 2.3 A 2.3 A 1.2 A

Indoor Motor Type Constant

Torque ECM Constant

Torque ECM Constant

Torque ECM Constant

Torque ECM Constant

Torque ECM Constant

Torque ECM Constant

Torque ECM Constant

Torque ECM Constant

Torque ECM Constant

Torque ECM Rated indoor CFM and static pressure (ESP) with wet coil and Standard filter

600 - .1 800 - .1 800 - .1 800 - .1 950 - .15 950 - .15 950 - .15 1150 - .15 1150 - .15 1150 - .15

Filter Size inches (cm) standard filter listed, 1 required

16x25x1 (41x64x3)

16x25x1 (41x64x3)

16x25x1 (41x64x3)

16x25x1 (41x64x3)

16x30x1 (41x77x3)

16x30x1 (41x77x3)

16x30x1 (41x77x3)

16x30x1 (41x77x3)

16x30x1 (41x77x3)

16x30x1 (41x77x3)

Basic Unit Weight without Vent lbs. (kg) 325 (148) 335 (152) 335 (152) 335 (152) 350 (159) 350 (159) 350 (159) 380 (173) 380 (173) 380 (173)

X - Barometric Fresh Air Damper 4.0 (1.8) 4.0 (1.8) 4.0 (1.8) 4.0 (1.8) 5.0 (2.3) 5.0 (2.3) 5.0 (2.3) 5.0 (2.3) 5.0 (2.3) 5.0 (2.3) A - Barometric Damper w/ Exhaust 8.0 (3.6) 8.0 (3.6) 8.0 (3.6) 8.0 (3.6) 9.0 (4.0) 9.0 (4.0) 9.0 (4.0) 9.0 (4.0) 9.0 (4.0) 9.0 (4.0) B - Blank-Off Plate 1.0 (.5) 1.0 (.5) 1.0 (.5) 1.0 (.5) 1.0 (.5) 1.0 (.5) 1.0 (.5) 1.0 (.5) 1.0 (.5) 1.0 (.5)

M, V - Commercial Room Ventilator 31.0

(14.0) 31.0

(14.0) 31.0

(14.0) 31.0

(14.0) 35.0

(15.9) 35.0

(15.9) 35.0

(15.9) 35.0

(15.9) 35.0

(15.9) 35.0

(15.9)

D, Y, Z - Economizer 37.0

(16.8) 37.0

(16.8) 37.0

(16.8) 37.0

(16.8) 37.0

(16.8) 37.0

(16.8) 37.0

(16.8) 37.0

(16.8) 37.0

(16.8) 37.0

(16.8)

R - Energy Recovery Ventilator 54.0

(24.4) 54.0

(24.4) 54.0

(24.4) 54.0

(24.4) 54.0

(24.4) 54.0

(24.4) 54.0

(24.4) 54.0

(24.4) 54.0

(24.4) 54.0

(24.4)

General Unit Specifications W18 (1-1/2 Ton) Through W48 (4 Ton)

MODELS W42AC-A W42AC-B W42AC-C W48AC-A W48AC-B W48AC-C

Unit Voltage Rating - Phase - 60Hz 230/208 V - 1 PH 230/208 V - 3 PH 460 V - 3 PH 230/208 V - 1 PH 230/208 V - 3 PH 460 V - 3 PH

Operating Voltage Range 197-253 V 197-253 V 414-506 V 197-253 V 197-253 V 414-506 V

Compressor Electrical Circuit

Voltage 230/208 V 230/208 V 460 V 230/208 V 230/208 V 460 V Rated Load Amps 14.9/16.5 A 10.2/11.3 A 5.1 A 16.3/18.9 A 10.3/11.9 A 5.4 A Branch Circuit Selection Current 19.9 A 13.6 A 6.1 A 21.8 A 13.8 A 6.3 A Lock Rotor Amps 109/109 A 83.1/83.1 A 41 A 117/117 A 83.1/83.1 A 41 A Compressor Type Scroll Scroll Scroll Scroll Scroll Scroll

Outdoor Fan Motor & Condenser Fan

Outdoor Fan Motor Horsepower - RPM 1/3 HP - 825RPM 1/3 HP - 825RPM 1/3 HP - 825RPM 1/3 HP - 825RPM 1/3 HP - 825RPM 1/3 HP - 825RPM Outdoor Fan Motor - Amps 2.4 A 2.4 A 1.0 A 2.4 A 2.4 A 1.0 A Outdoor Fan--Diameter and CFM 24” - 2900CFM 24” - 2900CFM 24” - 2900CFM 24” - 3000CFM 24” - 3000CFM 24” - 3000CFM

Indoor Blower Motor & Indoor Airflow

Indoor Blower Motor - HP - Speeds 1/2 HP - 5 Spd 1/2 HP - 5 Spd 1/2 HP - 5 Spd 3/4 HP - 5 Spd 3/4 HP - 5 Spd 3/4 HP - 5 Spd Indoor Blower Motor - Amps 1.7 A 1.7 A 1.2 A 3.2 A 3.2 A 1.7 A

Indoor Motor Type Constant Torque

ECM

Constant Torque

ECM

Constant Torque

ECM

Constant Torque

ECM

Constant Torque

ECM

Constant Torque

ECM

Rated indoor CFM and static pressure (ESP) with wet coil and Standard filter

1350CFM-.15ESP 1350CFM-.15ESP 1350CFM-.15ESP 1550CFM-.20ESP 1550CFM -.20ESP 1550CFM -.20ESP

Filter Size inches (cm) standard filter listed, 2 required

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

Basic Unit Weight without Vent lbs (kg) 490 (223) 490 (223) 490 (223) 495 (225) 495 (225) 495 (225)

X - Barometric Fresh Air Damper 13 (5.9) 13 (5.9) 13 (5.9) 13 (5.9) 13 (5.9) 13 (5.9) A - Barometric Damper w/ Exhaust 16 (7.3) 16 (7.3) 16 (7.3) 16 (7.3) 16 (7.3) 16 (7.3) B - Blank-Off Plate 14 (6.4) 14 (6.4) 14 (6.4) 14 (6.4) 14 (6.4) 14 (6.4) M, V - Commercial Room Ventilator 42 (19.1) 42 (19.1) 42 (19.1) 42 (19.1) 42 (19.1) 42 (19.1) D, Y, Z - Economizer 44 (20) 44 (20) 44 (20) 44 (20) 44 (20) 44 (20) R - Energy Recovery Ventilator 87 (39.5) 87 (39.5) 87 (39.5) 87 (39.5) 87 (39.5) 87 (39.5) http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-689.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-692.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-692.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-692.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-692.pdf http://www.bardhvac.com/digcat/S3364_TechDoc_CD/TechDoc-PDF/2100-692.pdf

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General Unit Specifications W60 (5 Ton) Through W72 (6 Ton)///////

MODELS W60AC-A W60AC-B W60AC-C W72AC-A W72AC-B W72AC-C

Unit Voltage Rating - Phase - 60Hz 230/208 V - 1 PH 230/208 V - 3 PH 460 V - 3 PH 230/208 V - 1 PH 230/208 V - 3 PH 460 V - 3 PH

Operating Voltage Range 197-253 V 197-253 V 414-506 V 197-253 V 197-253 V 414-506 V

Compressor Electrical Circuit

Voltage 230/208 V 230/208 V 460 V 230/208 V 230/208 V 460 V Rated Load Amps 20.6/23.6 A 12.5/14.4 A 7.0 A 27.6/30.6 A 16.8/18.6 A 8.8 A Branch Circuit Selection Current

26.5 A 16 A 7.8 A 37 A 22.5 A 10.6 A

Lock Rotor Amps 134/134 A 110/110 A 52 A 185/185 A 149/149 A 75 A Compressor Type Scroll Scroll Scroll Scroll Scroll Scroll

Outdoor Fan Motor & Condenser Fan

Outdoor Fan Motor Horsepower - RPM 1/3 HP - 825RPM 1/3 HP - 825RPM 1/3 HP - 825RPM 1/2 HP - 1075RPM 1/2 HP - 1075RPM 1/2 HP - 1075RPM Outdoor Fan Motor - Amps 2.4 A 2.4 A 1.0 A 4.3 A 4.3 A 1.6 A Outdoor Fan--Diameter and CFM 24” - 3100CFM 24” - 3100CFM 24” - 3100CFM 24” - 4000CFM 24” - 4000CFM 24” - 4000CFM

Indoor Blower Motor & Indoor Airflow

Indoor Blower Motor - HP - Speeds 3/4 HP - 5 Spds 3/4 HP - 5 Spds 3/4 HP - 5 Spds 3/4 HP - 5 Spds 3/4 HP - 5 Spds 3/4 HP - 5 Spds Indoor Blower Motor - Amps 3.2 A 3.2 A 1.7 A 4.2 A 4.2 A 1.7 A

Indoor Motor Type Constant Torque

ECM

Constant Torque

ECM

Constant Torque

ECM

Constant Torque

ECM

Constant Torque

ECM

Constant Torque

ECM

Rated indoor CFM and static pressure (ESP) with wet coil and Standard filter

1750CFM -.20ESP 1750CFM -.20ESP 1750CFM -.20ESP 1900CFM -.25ESP 1900CFM -.25ESP 1900CFM -.25ESP

Filter Size inches (cm) standard filter listed, 2 required

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

20” x 20” x 1” (51 x 51 x 3)

Basic Unit Weight without Vent lbs. (kg) 505 (230) 505 (230) 505 (230) 555 (252) 555 (252) 555 (252)

X - Barometric Fresh Air Damper 13 (5.9) 13 (5.9) 13 (5.9) 13 (5.9) 13 (5.9) 13 (5.9) A - Barometric Damper w/ Exhaust 16 (7.3) 16 (7.3) 16 (7.3) 16 (7.3) 16 (7.3) 16 (7.3) B - Blank-Off Plate 14 (6.4) 14 (6.4) 14 (6.4) 14 (6.4) 14 (6.4) 14 (6.4) M, V - Commercial Room Ventilator 42 (19.1) 42 (19.1) 42 (19.1) 42 (19.1) 42 (19.1) 42 (19.1) D, Y, Z - Economizer 44 (20) 44 (20) 44 (20) 44 (20) 44 (20) 44 (20) R - Energy Recovery Ventilator 87 (39.5) 87 (39.5) 87 (39.5) 87 (39.5) 87 (39.5) 87 (39.5)

R410A Unit Charge Rates WALL-MOUNT UNIT MODEL STANDARD UNIT CHARGE RATE DEHUMIDIFICATION UNIT CHARGE RATE

W18AB AND W18LB 3.50 lbs. (1.58 kg) N/A

W24AB AND W24LB 4.25 lbs. (1.92 kg) N/A

W30AB AND W30LB 4.125 lbs. (1.87 kg) 4.25 lbs. (1.92 kg)

W36AB AND W36LB 4.50 lbs. (2.04 kg) 4.50 lbs. (2.04 kg)

W42AC 7.25 lbs. (3.28 kg) 7.25 lbs. (3.28 kg)

W48AC 7.38 lbs. (3.34 kg) 7.38 lbs. (3.34 kg)

W60AC 9.25 lbs. (4.19 kg) 9.50 lbs. (4.30 kg)

W72AC 9.50 lbs. (4.30 kg) 9.75 lbs. (4.42 kg)

Note: All units have a Short Circuit Current Protection Rating (SCCR) of 5kA RMS Symmetrical.

Note: Charge rates provided on unit serial plate. Unit hi/low pressure chart for unit charging provided in unit insallation manual and on inner control panel door.

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Indoor EC Motor Blower Speeds/////// Indoor airflow is measured in Cubic Feet per Minute (CFM) and will vary based on static pressure created by supply duct work, return duct work, unit filter type, deflection of the air by the supply grille, or any other restriction of air entering or leaving the unit. The indoor fan motor of the WA series product has the capabil-ity of running at multiple speeds. Indoor blower speed is selected inside the control panel area using the speed tap terminal block.

Blower and Vent Only Speed: The WA series uses this speed when fan only (G) or ventilation operation (A) is used. See airflow performance chart for CFM amount. If cooling and heating speed is adjusted from LO to MED or HI, the Blower and Vent Only speed will not change.

Balanced Climate Speed: The WA series uses this speed when the Balanced Climate option (Y1) or mechanical dehumidification option (D) is used. The Bal-anced Climate speed reduces unit airflow by approximately 30% which increases moisture removal (latent capacity) during cooling operation. Units with the hot gas reheat dehumidification option also use this speed to increase moisture removal when running in dehumidification mode. Unit capacity performance when using Balanced Climate can be calculated using the -30% capacity multipler factor provided in the Cooling Application Data. Unit capacity performance for hot gas reheat dehumidification units can be found in the Dehumidification performance supplimental manual #7960-811. See airflow performance chart for CFM amount.

To use Balanced Climate, remove the jumper between Y1 and Y2 on the low voltage terminal strip. A 2 stage cooling thermostat is then used to control blower airflow stages. Be sure to follow all guidelines provided in the installation manual. A controls kit that includes a low ambient control (LAC) must be used for Balanced Climate Operation if ventilation options are to be used or cooling operation will occur below a 60° outdoor temperature. Balanced Climate can be used for duct free and ducted applications below ESP total static shown in indoor airflow performance charts. Balanced Climate provides increased moisture removal during the cooling cycle, but is not a replacement for optional mechanical dehumidification. Optional mechanical dehumidification provides moisture removal without significantly cooling the space being conditioned. Mechanical dehumidification is highly recommended for applications requiring indoor humidity control for schools, public areas, agricultural, pharmaceutical, and areas with high outdoor humidity and varying indoor heat load.

LO Speed (Default): The WA series uses this speed by default when using standard cooling (Y2) or heating operation (W1/W2). This speed is labeled as LO on the speed selection terminal strip inside the unit control panel. All units ship with cooling and heating operation at LO cooling and heating speed, and provides the optimal airflow amount for normal use. See airflow performance chart for CFM amount.

MED Speed (User Selectable): This speed is user selectable when using standard cooling (Y2) or heating operation (W1/W2). This speed is labeled as MED on the speed selection terminal strip inside the unit control panel. The MED speed tap provides an increase in unit airflow per the airflow performance chart.

HI Speed (User Selectable): This speed is user selectable when using standard cooling (Y2) or heating operation (W1/W2). This speed is labeled as HI on the speed selection terminal strip inside the unit control panel. The HI speed tap provides maximum unit airflow per the airflow performance chart.

Indoor Airflow Static and Unit Performance/////// The airflow amount that passes through the unit is very important when considering cooling capacity and proper unit operation. Restriction of the amount of air passing through the unit is called external static pressure (ESP). As the amount of air passing through the unit is restricted, the ESP value increases. This will have a direct impact on how heating and cooling equipment performs when used in an application. It is important to have a professional HVAC contractor, distributor, or technician complete a duct static calculation if supply or return ducts are used with the WA series unit. Unit filter static must also be calculated into the total ESP value.

Supply Duct Static: Supply duct static will include duct work connected to the unit supply opening, supply registers, filtration installed in the supply duct, or any other device in the supply airstream that will restrict airflow. All ducts must be sealed to reduce duct air leakage, and flex duct work must not include restriction due to installation. Duct static must be calculated by a HVAC professional and include all factors of the duct design.

Return Duct Static: Return duct static will include duct work connected to the unit return opening, return registers, filtration installed in the return duct, or any other device in the return airstream that will restrict airflow. All ducts must be sealed to reduce duct air leakage, and flex duct work must not include restriction due to installation.Duct static must be calculated by a HVAC professional and include all factors of the duct design.

Unit Filter Static: The WA series uses a unit filter installed before the indoor blower assembly that filters both indoor air from the room and outdoor air entering through the ventilation device. When additional filtration is required (higher MERV rating), additional static will need to be added to the total external static pressure (ESP). The following chart is to be used to estimate additional static pressure for a installed clean filter.

FILTER CODE FILTER MERV RATING FILTER STATIC INCHES WC. FILTRATION LEVEL

X MERV 2 0” WC Low Filtration, 1” Thickness Disposable Media.

W MERV 2 -.02” WC Low Filtration, 1” Thickness Permanent Media.

P MERV 8 .03” WC Average Filtration, 2” Thickness Pleated Disposable Media.

M MERV 11 .05” WC Above Average Filtration, 2” Thickness Pleated Disposable Media.

N MERV 13 .08” WC High Filtration, 2” Thickness Pleated Disposable Media.

Calculating Total External Static Pressure: Supply duct static, return duct static, unit filter static, and any other source of additional static pressure are added together. Once this is calculated, the actual unit airflow amount can be reviewed by using the Indoor Airflow CFM charts provided.

Total External Static Pressure Calculation:

Supply Duct Static + Return Duct Static + Filter Static + Additional External Static = Total External Static Pressure (ESP)

Non-Ducted Applications: Applications that do not include supply or return ducts inside the structure, use Bard supplied supply and return louvers, and do not have additional sources of external static will typically reflect rated airflow amounts shown in the Indoor Airflow CFM charts. Additional filter static must still be added as necessary to the rated airflow total external static pressure (ESP). Field supplied supply and return louvers must match Bard supplied supply and return louvers to achieve shown in the Indoor Airflow CFM charts. Adjustment of 4-way deflection supply louver may effect unit supply airflow. See louver deflection and throw characteristics provided in this document.

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Indoor Airflow CFM @ Static Pressures and Adjustable Speeds - W18, W24, W30 Units///////

FILTER CODE FILTER MERV RATING ADJUST STATIC

DRY COIL AIRFLOW -.04” WC

W MERV 2 (Washable) -.02” WC

X MERV 2 (Disposable) 0” WC

P MERV 8 +.03” WC

M MERV 11 +.05” WC

N MERV 13 +.08” WC

Total External Static Pressure Calculation:

Supply Duct Static + Return Duct Static + Filter Static + Additional External Static = Total External Static Pressure

(ESP)

Total External Static Adjustment:

Indoor airflow data shown in the performance charts represent the unit running in cooling with a wet evaporator coil. A dry evaporator coil with provide less static. See adjustment factor in below table.

Indoor airflow data shown in the performance charts represent the unit with a 1” disposable MERV2 filter. For other filter options, external static pressure needs to be adjusted. See adjustment factor in below table.

Indoor Airflow Speeds:

Balanced Climate Speed: The WA series uses this speed when the Balanced Climate option (Y1) or mechanical dehumidification option (D) is used. Not recommended for static levels higher than Balanced Climate airflow data provided.

LO Speed (Default): The WA series uses this speed by default when using standard cooling (Y2) or heating opera-tion (W1/W2). This speed is labeled as LO on the speed selection terminal strip inside the unit control panel. The WA series also uses this speed when fan only (G) or ven-tilation operation (A) is used. All units ship with cooling and heating operation at LO cooling and heating speed, and provides the optimal airflow amount for normal use.

MED Speed (User Selectable): This speed is user select-able when using standard cooling (Y2) or heating opera-tion (W1/W2). This speed is labeled as MED on the speed selection terminal strip inside the unit control panel. The MED speed tap provides an increase in unit airflow per the airflow performance chart. Fan only and dehumidification fan operation is not effected by using MED speed.

HI Speed (User Selectable): This speed is user selectable when using standard cooling (Y2) or heating operation (W1/W2). This speed is labeled as HI on the speed selec-tion terminal strip inside the unit control panel. The HI speed tap provides maximum unit airflow per the airflow performance chart. Fan only and dehumidification fan operation is not effected by using Hi speed.

*Note: W18AB unit has a dedicated electric heat speed and does not have a user selectable MED speed for airflow adjustment. See installation manual for additional information.

*see note

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Indoor Airflow CFM @ Static Pressures and Adjustable Speeds - W36, W42, W48 Units///////

FILTER CODE FILTER MERV RATING ADJUST STATIC

DRY COIL AIRFLOW -.04” WC

W MERV 2 (Washable) -.02” WC

X MERV 2 (Disposable) 0” WC

P MERV 8 +.03” WC

M MERV 11 +.05” WC

N MERV 13 +.08” WC

Total External Static Pressure Calculation:

Supply Duct Static + Return Duct Static + Filter Static + Additional External Static = Total External Static Pressure

(ESP)

Total External Static Adjustment:

Indoor airflow data shown in the performance charts represent the unit running in cooling with a wet evaporator coil. A dry evaporator coil with provide less static. See adjustment factor in below table.

Indoor airflow data shown in the performance charts represent the unit with a 1” disposable MERV2 filter. For other filter options, external static pressure needs to be adjusted. See adjustment factor in below table.

Indoor Airflow Speeds:

Balanced Climate Speed: The WA series uses this speed when the Balanced Climate option (Y1) or mechanical dehumidification option (D) is used. Not recommended for static levels higher that Balanced Climate airflow data provided.

LO Speed (Default): The WA series uses this speed by default when using standard cooling (Y2) or heating opera-tion (W1/W2). This speed is labeled as LO on the speed selection terminal strip inside the unit control panel. The WA series also uses this speed when fan only (G) or ven-tilation operation (A) is used. All units ship with cooling and heating operation at LO cooling and heating speed, and provides the optimal airflow amount for normal use.

MED Speed (User Selectable): This speed is user select-able when using standard cooling (Y2) or heating opera-tion (W1/W2). This speed is labeled as MED on the speed selection terminal strip inside the unit control panel. The MED speed tap provides an increase in unit airflow per the airflow performance chart. Fan only and dehumidification fan operation is not effected by using MED speed.

HI Speed (User Selectable): This speed is user selectable when using standard cooling (Y2) or heating operation (W1/W2). This speed is labeled as HI on the speed selec-tion terminal strip inside the unit control panel. The HI speed tap provides maximum unit airflow per the airflow performance chart. Fan only and dehumidification fan operation is not effected by using Hi speed.

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Indoor Airflow CFM @ Static Pressures and Adjustable Speeds - W60 and W72 Units///////

FILTER CODE FILTER MERV RATING ADJUST STATIC

DRY COIL AIRFLOW -.04” WC

W MERV 2 (Washable) -.02” WC

X MERV 2 (Disposable) 0” WC

P MERV 8 +.03” WC

M MERV 11 +.05” WC

N MERV 13 +.08” WC

Total External Static Pressure Calculation:

Supply Duct Static + Return Duct Static + Filter Static + Additional External Static = Total External Static Pressure

(ESP)

Total External Static Adjustment:

Indoor airflow data shown in the performance charts represent the unit running in cooling with a wet evaporator coil. A dry evaporator coil with provide less static. See adjustment factor in below table.

Indoor airflow data shown in the performance charts represent the unit with a 1” disposable MERV2 filter. For other filter options, external static pressure needs to be adjusted. See adjustment factor in below table.

Indoor Airflow Speeds:

Balanced Climate Speed: The WA series uses this speed when the Balanced Climate option (Y1) or mechanical dehumidification option (D) is used. Not recommended for static levels higher than Balanced Climate airflow data provided.

LO Speed (Default): The WA series uses this speed by default when using standard cooling (Y2) or heating opera-tion (W1/W2). This speed is labeled as LO on the speed selection terminal strip inside the unit control panel. The WA series also uses this speed when fan only (G) or ven-tilation operation (A) is used. All units ship with cooling and heating operation at LO cooling and heating speed, and provides the optimal airflow amount for normal use.

MED Speed (User Selectable): This speed is user select-able when using standard cooling (Y2) or heating opera-tion (W1/W2). This speed is labeled as MED on the speed selection terminal strip inside the unit control panel. The MED speed tap provides an increase in unit airflow per the airflow performance chart. Fan only and dehumidification fan operation is not effected by using MED speed.

HI Speed (User Selectable): This speed is user selectable when using standard cooling (Y2) or heating operation (W1/W2).