Bard WA721 Manual de usuario

Busca en linea o descarga Manual de usuario para Acondicionadores de aire del sistema de división Bard WA721. S3274 - Bard Manufacturing Company Manual de usuario

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Form No. S3274-307
Supersedes S3274-206
Page 1 of 8
The Bard Wall-Mount Six Ton 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 unit
is the ideal product for 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.
Engineered Features
Aluminum Finned Copper Coils:
Grooved copper tubing and enhanced
louvered aluminum fin for maximum heat
transfer and energy efficiency.
Twin Blowers:
Move air quietly. Models WA701-A,
WA701-B and WA721-B feature
multispeed blower motors providing
airflow adjustment for high and low static
operation. Motor overload protection is
standard on all models.
Air Conditioner Compressor:
Copeland scroll compressor designed for
increased efficiency, quieter operation
and improved reliability for longer life.
Equipped with crankcase heater.
Galvanized 20 Gauge Zinc
Coated Steel Cabinet:
Cleaned, rinsed, sealed and dried before
the polyurethane primer is applied. The
cabinet is handsomely finished with a
baked-on, beige textured enamel, which
allows it to withstand 1000 hours of salt
spray tests per ASTM B117-03.
Electrical Components:
Are easily accessible for routine
inspection and maintenance through a
right side, service panel opening.
Features a lockable, hinged access
cover to the circuit breaker or pull
disconnect switch.
Electric Heat Strips:
Feature an automatic limit and thermal
cut-off safety control. Heater packages
are factory or field installed for all
models. Features easy slide-in field
assembly with various BTUH outputs.
High Pressure Switch is
Auto-Reset:
Built-in lock-out circuit resets from the
room thermostat. Provides commercial
quality protection to the compressor.
Low Pressure Switch is
Auto-Reset:
Built-in lock-out circuit and low pressure
timed bypass circuit. Resets from room
thermostat.
Compressor Control Module:
Built-in off-delay timer adjustable from
30 seconds to 5 minutes. 2-minute
on-delay if power interrupt. 120-
second bypass for low pressure
control, and both soft and manual
lockouts for high and low pressure
controls. Alarm output for alarm relay.
Low Ambient Control:
Permits operation down to 0°F outdoor
ambient.
Dry Contacts for Remote
Alarm on High or Low Pressure
Lock-out:
Built-in Circuit Breakers:
Standard on all KW versions of models
WA701-A, WA701-B and WA721-B.
Toggle disconnects are standard on all
KW types of model WA701-C (460
volt-3ph).
One Inch, Disposable Air
Filters:
Are standard equipment. Optional 1-
inch washable filters available and filter
racks permit the addition of 2" pleated
filter. Factory or field installed.
Condenser Fan and Motor
Shroud Assembly:
Slide out for easy access.
Barometric Fresh Air Damper:
Standard on all units. Allows up to
25% outside fresh air.
Slope Top:
Standard feature for water runoff.
Top Rain Flashing:
Standard feature on all models
Full Length Mounting Brackets:
Built into cabinet for improved
appearance and easy installation.
NOTE: Bottom mounting bracket
included to assist in installation.
All packages are designed
to meet your specific
ventilation requirements
utilizing one of six ventilation
options for the product. The
ventilation package is
mounted within the unit
eliminating the need for an
exterior mounted hood or
damper assembly on the
unit. All assemblies can be
factory installed, installed in
the field at time of
installation or as a retrofit
system after installation.
Ventilation System Packages
WA - 6 Ton Refrigerant 22 60Hz
64,000 to 68,000 Btuh
Right Side Control Panel
THE WALL-MOUNT
TM
SIX TON AIR CONDITIONER
Standard - Barometric
Fresh Air Damper
Optional - Motorized
Fresh Air Damper
Optional - Blank off Plate
Optional - Commercial
Room Ventilator w/
Exhaust
• CRV - Spring Return
• CRVP - Power Return
Optional - Economizer w/
Exhaust
Optional - Energy
Recovery Ventilator
Complies with efficiency requirements of ASHRAE/IESNA 90.1-2004.
Certified to ANSI/ARI Standard 390-2003 for SPVU (Single Package Vertical Units).
Commercial Product - Not intended for Residential application.
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Indice de contenidos

Pagina 1 - SIX TON AIR CONDITIONER

Form No. S3274-307Supersedes S3274-206Page 1 of 8The Bard Wall-Mount Six Ton Air Conditioner is a self contained energy efficientsystem, which is desi

Pagina 2 - – CFM at 230 Volts

Form No. S3274-307Supersedes S3274-206Page 2 of 8Capacity and Efficiency RatingsSpecificationsstinUWK0ottaeHcirtcelEgniddarofdengiseD–sledoMV802/032no

Pagina 3 - SIDE VIEW

Form No. S3274-307Supersedes S3274-206Page 3 of 8)lanimoN(stnemeriuqeRnoitallatsnIdnalarutcetihcrAroftinUcisaBfosnoisnemiDLEDOMHTDIW)W(HTPED)D(THGIEH)

Pagina 4 - Ventilation System Packages

Form No. S3274-307Supersedes S3274-206Page 4 of 8BAROMETRIC FRESH AIR DAMPER - BFAD STANDARDThe barometric fresh air damper is a standard feature on a

Pagina 5 - Page 5 of 8

Form No. S3274-307Supersedes S3274-206Page 5 of 8WA70, WA72 HIGH SPEED TOTAL AND VENTILATION AIRFLOWWA70, WA72 LOW SPEED TOTAL AND VENTILATION AIRFLOW

Pagina 6 - Page 6 of 8

Form No. S3274-307Supersedes S3274-206Page 6 of 8ECNAMROFREPGNITAEHRETNIWC5*-VREW)BDF°07SNOITIDNOCNGISEDROODNI(tneibmA.D.OETARNOITALITNEVMFC054 MFC573

Pagina 7 - Return air temp. °F

Form No. S3274-307Supersedes S3274-206Page 7 of 8Cooling Application Data — Outdoor Temperature °F 11111cBelow 65°F, unit requires a factory or fiel

Pagina 8 - March, 2007

Form No. S3274-307Supersedes S3274-206Page 8 of 8STD = Standard equipment for these specified models.1 HPC. High pressure control is auto reset. Alwa

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