Bard W38A1 User manual

Form No. S3412-1112
Supersedes S3412-712
Page 1 of 12
Aluminum Finned Copper Coils:
Grooved tubing and enhanced louvered
fin for maximum heat transfer and energy
efficiency.
Twin Blowers:
Move air quietly. All models feature
multispeed ECM blower motors providing
airflow adjustment for high and low static
operation. Motor overload protection is
standard on all models.
ECM Indoor Blower Motor:
Features a variable speed motor providing
super-high efficiency, low sound levels
and soft-start capabilities. The motor is
self-adjusting to provide the proper airflow
rate for the staged capacity, and for
higher static pressure in ducted
installations without user adjustment or
wiring changes.
Air Conditioner Compressor:
Copeland scroll compressors are
designed for increased efficiency, quieter
operation and improved reliability for
longer life. Eliminates need for crankcase
heater.
R-410A Refrigerant:
Designed with R-410A (HFC) non-ozone
depleting refrigerant in compliance with
the Montreal protocol and 2010 EPA
requirements.
Phase Rotation Monitor:
Standard on all 3 phase scroll
compressors. Protects against reverse
rotation if power supply is not properly
connected.
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 textured enamel, which allows it
to withstand 1000 hours of salt spray tests
per ASTM B117-03.
Foil Faced Insulation:
Standard on all units.
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 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.
THE WALL-MOUNT™ “Quiet Climate” A/C – 10.0 EER
GREEN REFRIGERANT
R-410A
Models W38A1, W49A1, W61A1
3 to 5 Ton (35,600 to 57,500 Btuh)
Right Side Control Panel 60Hz
Engineered Features
Full Length Mounting Brackets:
Built into cabinet for improved
appearance and easy installation.
NOTE: Bottom mounting bracket
included to assist in installation.
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 toggle disconnect
switch.
Electric Heat Strips:
Features an automatic limit and thermal
cut-off safety control. Heater packages
can be factory or field installed for all 1½
through 5 ton models.
Filter Service Door:
Separate service door provides easy
access for filter change.
One Inch, Disposable Air Filters:
Are standard equipment. Optional one
inch washable filters available and filter
racks permit the addition of 2" pleated
filter. Factory or field installed.
Condenser Fan and Motor
Shroud Assembly:
Slides out for easy access.
Barometric Fresh Air Damper:
Standard on all units. Allows up to 25%
outside fresh air. Optional ventilation
packages available.
Built-in Circuit Breakers:
Standard on all electric heat versions of
single (230/208 volt) and three phase
(230/208 volt) equipment. Rotary
disconnects are standard on all electric
heat versions of three phase (460 volt)
equipment.
PTCR Start Assist:
Standard on 1-phase models.
Slope Top:
Standard feature for water run-off.
Top Rain Flashing:
Standard feature on all models.
Liquid Line Filter Drier:
Standard on all units. Protects system
against moisture.
Compressor Control Module:
Standard on all units. 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.
High & Low Pressure Switches are
Auto-Reset:
Standard on all units. Built-in lockout
circuit resets from the room thermostat.
Provides commercial quality protection to
the compressor.
•Complies with efficiency requirements of ANSI/ASHRAE/IESNA 90.1-2010.
•Certified to ANSI/ARI Standard 390-2003 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 application.

Form No. S3412-1112
Supersedes S3412-712
Page 2 of 12
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1Capacity is certified in accordance with ANSI/ARI Standard 390-2003.
2EER = 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).
Capacity and Efficiency Ratings
Specifications 3 Ton through 5 Ton

Form No. S3412-1112
Supersedes S3412-712
Page 3 of 12
Bard Wall-Mounts are designed to provide optional ventilation packages to meet all of your ventilation and indoor air quality requirements. All
units are equipped with a barometric fresh air damper as the standard ventilation package. All ventilation packages can be built-in at the
factory or field-installed at a later date.
Manufactured under U.S. Patent Nos. 5,485,878; 5,301,744
Barometric Fresh Air Damper
Motorized Fresh Air Damper
Commercial Room Ventilator
Energy Recovery Ventilator
BAROMETRIC FRESH AIR DAMPER - BFAD STANDARD
The barometric fresh air damper is a standard feature on all models. It is installed on the inside of the service
door and allows outside ventilation air, up to 25% of the total airflow rating of the unit, to be introduced through the
air inlet openings and to be mixed with the conditioned air. The damper opens during blower operation and
closes when the blower is off. Adjustable blade stops allow different amounts of outside air to be introduced into
the building and can be easily locked closed if required.
BLANK OFF PLATE - BOP OPTIONAL
A blank off plate is installed on the inside of the service door. It covers the air inlet openings, which restricts any
outside air from entering the unit. The blank off plate should be utilized in applications where outside air is not
required to be mixed with the conditioned air.
MOTORIZED FRESH AIR DAMPER - MFAD OPTIONAL
The motorized fresh air damper is internally mounted behind the service door and allows outside ventilation air,
up to 25% of the total airflow rating of the unit, to be introduced through the air inlet openings and to be mixed
with the conditioned air. The two position damper can be fully open or closed. The damper blade is powered
open by a 24VAC motor with spring return on power loss. The damper can be controlled by indoor blower
operation or can be field connected to be managed based on building occupancy.
COMMERCIAL ROOM VENTILATOR - CRV OPTIONAL
The built-in commercial room ventilator is internally mounted behind the service door and allows outside
ventilation air, up to 50% of the total airflow rating of the unit, to be introduced through the air inlet openings.
It includes a built-in exhaust air damper.
The commercial room ventilator (CRV) is a simple and innovative approach to improving the indoor air quality by
providing fresh air intake and exhaust capability through the CRV. The damper can be easily adjusted to control the
amount of fresh air supplied into the building. The CRV can be controlled by indoor blower operation or field controlled
based on room occupancy. Two versions available (except on 1.5 and 2-Ton models). The CRV and CRVS are
power open - spring return on power loss, and CRVP is power open and power close. Complies with ANSI/ASHRAE
Standard 62.1 “Ventilation for Acceptable Indoor Air Quality”.
ECONOMIZER - ECONWM-Series OPTIONAL
The built-in economizer system is internally mounted behind the service door and allows outdoor air to be
introduced through the air inlet openings. The amount of outdoor air varies in response to the system controls and
settings defined by the end user. It includes a built-in exhaust air damper. The economizer is designed to provide
“free cooling” when outside air conditions are cool and dry enough to satisfy cooling requirements without running
the compressor. This in turn provides lower operating costs, while extending the life of the compressor.
•ECONWMT Equipment Building versions have extended air intake hood to deliver up to 100% of cooling rated airflow.
16" for ECONWMT-E2 or T2, and E3 or T3
18" for ECONWMT-E5 or T5
•ECONWMS Classroom versions have 3" air intake hood to deliver up to 75% of cooling rated airflow.
Standard Features:
•Fully modulating
•Honeywell Direct Drive Hi-Torque Actuator
•No linkage required
•Simple single blade design
•Positive shut-off with non-stick gaskets
•Electronic DB and/or Enthalpy sensors depending upon version
•Honeywell JADE electronic economizer module with precision settings and diagnostics
•DB or Enthalpy economizer versions available
WALL-MOUNT ENERGY RECOVERY VENTILATOR - ERVF OPTIONAL
The wall-mount energy recovery ventilator (ERVF) is a highly innovative approach to meeting indoor air quality
ventilation requirements as established by ANSI/ASHRAE Standard 62.1. The ERVF allows from 300 to 450
CFM (depending upon model) of fresh air and exhaust through the unit while maintaining superior indoor comfort
and humidity levels. In most cases this can be accomplished without increasing equipment sizing or operating
costs. Heat transfer efficiency is up to 67% during summer and 75% during winter conditions.
The ERVF consists of a unique “rotary energy recovery cassette” that provides effective sensible and latent heat
transfer capabilities during summer and winter conditions. Various control schemes are addressed including
limiting ventilation during building occupancy only.
The ERVF is designed to be internally mounted behind the service door in the W**A, W**H or W**L model wall-
mount units. It can be built-in at the factory or field installed as an option. ERVF-*3 and ERVF-*5 can be
independently adjusted for intake and exhaust rates.
NOTE: The above vent systems are intake only without built-in exhaust capability. Building will likely require
separate field installed barometric relief or mechanical exhaust elsewhere within the conditioned space. Balancing
dampers in the return air grille may be required to achieve specified amount of outdoor air intake.
Ventilation System Packages
Economizer

Form No. S3412-1112
Supersedes S3412-712
Page 4 of 12
1Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors.
2Based on 75C copper wire. All wiring must conform to the National Electrical Code and all local codes.
3These “Minimum Circuit Ampacity” values are to be used for sizing the field power conductors. Refer to the National Electrical code (latest version), Article 310 for power conductor sizing.
Caution: When more than one field power circuit is run through one conduit, the conductors must be derated. Pay special attention to note 8 of Table 310 regarding Ampacity Adjustment
Factors when more than three (3) current carrying conductors are in a raceway.
IMPORTANT: While this electrical data is presented as a guide, it is important to electrically connect properly sized fuses & conductor wires in accordance with the National Electrical Code & all local codes.
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Electrical Specifications

Form No. S3412-1112
Supersedes S3412-712
Page 5 of 12
Commercial Room Ventilator Performance Data : CRVS-5 and CRVP-5
Data Pending

Form No. S3412-1112
Supersedes S3412-712
Page 6 of 12
LEGEND:
VLT = Ventilation Load - Total
VLS = Ventilation Load - Sensible
VLL = Ventilation Load - Latent
HRT = Heat Recovery - Total
HRS = Heat Recovery - Sensible
HRL = Heat Recovery - Latent
WVL = Winter Ventilation Load
WHR = Winter Heat Recovery
Performance and Application Data - ERVF-*5C
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Form No. S3412-1112
Supersedes S3412-712
Page 7 of 12
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Heater Packages - Field Installed
NOTE: These units are equipped with a variable speed (ECM) indoor motor that automatically adjusts itself to maintain approximately the same rate of
indoor airflow in both heating & cooling, dry & wet coil conditions and at both 230/208 or 460 volts.
1Maximum ESP (inches WC) shown is with 2" thick disposable filter.
2Blower only CFM is the total air being circulated during continuous fan mode.
3CFM output on Cooling or Electric Heat.
Indoor Blower Performance - CFM (0.00" — 0.50" H20) 1
Electric Heat Table - Refer to Electrical Specifications for Availability by Unit Model

Form No. S3412-1112
Supersedes S3412-712
Page 8 of 12
1Below 65°F (18.3C), unit requires a factory or field installed low ambient control.
2Return air temperature.
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009,85 004,14 009,65 006,04 009,45 008,93 000,35 000,93 009,05 001,83 000,94 002,73 000,74 001,63 000,54 000,53 000,34 008,33 001,14 007,23
/0876 gnilooClatoT gnilooCelbisneS
009,26 001,04 000,26 008,93 000,16 004,93 000,95 000,93 005,75 004,83 005,65 008,73 005,55 000,73 007,35 002,63 008,15 002,53 008,94 002,43
/5827 gnilooClatoT gnilooCelbisneS
009,47 001,14 005,27 004,04 001,07 006,93 006,76 008,83 000,56 007,73 005,26 006,63 008,95 003,53 001,75 000,43 004,45 004,23 008,15 009,03
srotcaFreilpitluMyticapaC
wolfriAdetaRfo%01-detaR01+
HUTBlatoT HUTBelbisneS 579.0 059.0 0.1 0.1 20.1 50.1
Cooling Application Data - Outdoor Temperature 1

Form No. S3412-1112
Supersedes S3412-712
Page 9 of 12
This page intentionally left blank.

Form No. S3412-1112
Supersedes S3412-712
Page 10 of 12
This page intentionally left blank.

Form No. S3412-1112
Supersedes S3412-712
Page 11 of 12
sledoM 1A16W,1A94W,1A83W
noitpircseD dellatsnIyrotcaF .oNedoC dellatsnIdleiF .oNtraP
dradnatS-repmaDriAhserFcirtemoraB X5-DAFB
etalPffO-knalB B5-POB
repmaDriAhserFdezirotoM M5-DAFM
tsuahxE/wnruteRgnirpS-rotalitneVlaicremmoC V5-SVRC
tsuahxE/wnruteRrewoP-rotalitneVlaicremmoC P5-PVRC
yplahtnE,snoisreVloohcS-rezimonocE 4S5E-SMWNOCE 32
yplahtnE,.gdlBtnempiuqE-rezimonocE 5W5E-TMWNOCE 2
pmeTBD,.gdlBtnempiuqE-rezimonocE 5T5T-TMWNOCE 2
tloV032-rotalitneVyrevoceRygrenE 3R5A-FVRE 1
tloV064-rotalitneVyrevoceRygrenE 3R5C-FVRE 1
)deriuqeR(FVREroftiKrooD A/N-5KDMW 3
Ventilation Options
seludoMlortnoCgninoitidnoCriA
1A16W,1A94W,1A83W srosserpmoCllorcShtiwsledoM
SNOITPOLORTNOCELBALIAVA
CPH 1CPL 2MCC 3CAL 4RLA 5KS 6TDO 8CDD 9edoCdellatsnIyrotcaF traPdellatsnIdleiF
DTSDTSDTSDTSX
A/N
DTSDTSDTS

DTSE82-AMC
DTSDTSDTS

DTSJylnOyrotcaF
DTSDTSDTSDTSylnOdellatsnIdleiF 111KS 7A-1A94W,A-1A83W
DTSDTSDTSDTSylnOdellatsnIdleiF 311KS 7
A-1A16W
DTSDTSDTSDTS

ylnOdellatsnIdleiF 41-AMC
DTSDTSDTS

DTS

VylnOyrotcaF
DTSDTSDTSDTS
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ylnOdellatsnIdleiF 42-AMC
1Intake and exhaust can be independently adjusted.
2Insert color to match unit ("X" = Beige; "4" = Buckeye Gray; etc.)
3WMDK Door Kit must be ordered in addition to ERVF Assembly and ECONWMS & color matched to unit ("X" = Beige; "4" = Buckeye Gray; etc.)
4Partial Full Flow (75% of Rated Cooling CFM). All ECONWMS versions have 3" deep intake hood.
5Full Flow (100% of Rated Cooling CFM). ECONWMT5 has 18" deep intake hood.
SERIES | | CONTROL MODULES
(See Chart Below)
REVISION
VOLTS & PHASE |
A - 230/208/60/1
B - 230/208/60/3
C - 460/60/3
KW 1
COLOR OPTIONS
X - Beige (Standard)
1 - White
4 - Buckeye Gray
5 - Desert Brown
8 - Dark Bronze
A - Aluminum
S - Stainless Steel
| COIL OPTIONS
X - Standard
1 - Phenolic Coated Evaporator
2 - Phenolic Coated Condenser
3 - Phenolic Coated Evaporator
and Condenser
| OUTLET OPTIONS
X - Front (Standard)
NOMINAL
CAPACITY |
38 - 3 Ton
49 - 4 Ton
61 - 5 Ton
W38 A 1 A 10 X X X X X X
VENTILATION OPTIONS
(See Table Below)
Air Conditioning Wall-Mount Model Nomenclature
1For 0KW and circuit breakers (230/208 Volt) or pull
disconnects (460 Volt) applications, insert 0Z in the KW
field of the model number.
TYPE
Air Conditioner
STD = Standard equipment for these specified models.
1HPC High pressure control is auto reset. Always used with compressor control module (CCM) which is included. See note 3.
2LPC Low pressure control is auto reset. Always used with compressor control module (CCM) which is included. See note 3.
3CCM Compressor control module has adjustable 30-second to 5-minute delay-on-break timer. On initial power-up, or any time the power is interrupted, the delay-
on-make will be 2 minutes plus 10% of the delay-on-break setting. There is no delay-on-make during routine operation of the unit. The module also provides the
lockout feature (with 1 retry) for high and/or low-pressure controls, and a 2-minute timed bypass for low-pressure control.
4LAC Low ambient control permits cooling operation down to 0°F.
5ALR The alarm relay has a set of normally open and normally closed dry contacts to provide the ability to signal a condition of shutdown on either high or low
pressure controls.
6SK PTCR start kit is standard with all -A single phase models only. Increases starting torque 2-3x. Must be disconnected if SK111 or SK113 is used. Is not used
or available for -B or -C three phase models.
7Start capacitor and potential relay start kit can be used with all -A single phase models. Increases starting torque 9x. Not used for -B or -C three phase models. Do
not use if CMC-15 is used. Use SK111 for W61A1-A only. Use SK113 for W38A1-A and W49A1-A only.
8ODT. Outdoor thermostat is adjustable from 0 to 50°F. It is suitable for use as a compressor cutoff thermostat.
9DDC. Incorporates 4 additional sensors: discharge air temperature, indoor blower airflow, compressor current, and dirty filter. These sensing devices function to
input analog data such as temperature, as well as digital data such as air flow, compressor status or filter status.
“V” control module should be ordered in conjunction w/direct digital controller (DDC) model TCS24. Refer to DDC specification sheet S3280 for more information.
FILTER OPTIONS
X - 1-Inch Fiberglass
(MERV 2)
P - 2-Inch Pleated
(MERV 8)
W - 1-Inch Washable

Form No. S3412-1112
Supersedes S3412-712
Page 12 of 12
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
Since 1914 . . . Moving ahead, just as planned.
Due to our continuous product improvement policy,
all specifications subject to change without notice.
Before purchasing this appliance, read important energy cost
and efficiency information available from your retailer.
All dimensions are in inches. Dimensional drawings are not to scale.
NOTE: For side by side installation of two (2) W**A models there
must be 20" between units. 1Refer to the Installation Manual for more detailed information.
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SLEDOM EDISTFEL EDISTHGIR
1A16W,1A94W,1A83W"02"02
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SLEDOM 11
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1A16W,1A94W,1A83W"4/1"0
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A B C B E F G I J K L M N O P Q R 1S 2S T
1A83W 1A94W 570.24234.22578.4888.988.9288.5188.9288.3465.3166.1300.0386.2349.6296.4334.2373.300.3488.3200.0144.100.6100.61
8
8.1
1A16W570.24234.22578.4988.988.9288.5188.9288.3465.3166.1400.0386.2449.6396.4434.2473.300.3488.3300.0100.200.6100.12
8
8.1
Form No.
S3412
November, 2012
Supersedes: S3412-712
3"
Electrical
Cond.
(Lockable)
Inlet
Air
Panel
Access
Heat
Electric
Heater
4° Pitch
Rain Hood
Built In
Electrical
Drain
Low Voltage
Side View
Entrance
Disconnect
Access Panel
Entrance
C. Breaker/
High Voltage
ERV and ECONWMS
only hood
H
K
J
C
I
2.13
D
A
Supply Air Opening
Shipping
Location
Return Air Opening
Entrances
Electrical
Optional
(Built In)
Brackets
Mounting
Side Wall
Top Rain
Flashing
Bottom Installation
Bracket
Back View
L
O
E
R
S1
S1
S1
S2
S2
T
.44
NQ
P
M
B
Front View
Condenser
Filter Access Panel
Air Outlet
Standard flush
vent door for
non-ERV/Econ.
models
Ventilation Air
F
W
5.88
G
Equipment Building Hood
ECONWMT-E5, -T5 is 18"
MIS-3123