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INSTALLATION INSTRUCTIONS
WALL MOUNTED
PACKAGE AIR CONDITIONERS
MODELS
W17A1 W17L1
W18A1 W18L1
W24A1 W24L1
W30A1 W30L1
W36A1 W36L1
W42A1 W42L1
W48A1 W48L1
W60A1 W60L1
W70A1 W70L1
Bard Manufacturing Company, Inc. Manual : 2100-508F
Supersedes: 2100-508E
Bryan, Ohio 43506
File: Volume III Tab 16
Since 1914...Moving ahead just as planned.
Date: 12-15-11
Manual 2100-508F
Page 1 of 25
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Contents Start Up Getting Other Information and Publications 3 General .............................................................. 15 Topping Off System Charge................................... 15 Wall Mount General Information Safety Practices..................................................... 15 Wall Mount Model Nomenclature ............................ 4 Important Installer Note ......................................... 16 Shipping Damage ................................................
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GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these at THESE PUBLISHERS: your local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard. 1712 New Hampshire Ave. N.W. Washington, DC 20009 Telephone: (202) 483-9370 National Electrical Code ...................... ANSI/NFPA 70 Fax
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WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE W 42 A 1– A 10 X X X X X A CONTROL MODULES REVISIONS MODEL NUMBER (See Spec. Sheet S3397) KW CAPACITY 18 - 1½ Ton VOLTS & PHASE COIL OPTIONS 24 - 2 Ton A - 230/208/60/1 X - Standard COLOR OPTIONS 30 - 2½ Ton B - 230/208/60/3 X - Beige (Standard) 1 - Phenolic Coated Evaporator 36 - 3 Ton C - 460/60/3 2 - Phenolic Coated Condenser 1 - White 42 - 3½ Ton 4 - Buckeye Gray 3 - Phenolic Coated Evaporator 48 - 4 Ton and Condens
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DUCT WORK FILTERS All duct work, supply and return, must be properly sized A 1-inch throwaway filter is standard with each unit. for the design airflow requirement of the equipment. Air The filter slides into position making it easy to service. Conditioning Contractors of America (ACCA) is an This filter can be serviced from the outside by removing excellent guide to proper sizing. All duct work or portions the filter access panel. A 1-inch washable filter and 2- thereof not in the conditione
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INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION 1. Two holes for the supply and return air openings must be cut through the wall as shown in Figure 3. WARNING 2. On wood frame walls, the wall construction must be strong and rigid enough to carry the weight of the Failure to provide the 1/4 inch clearance unit without transmitting any unit vibration. between the supply duct and a combustible 3. Concrete block walls must be thoroughly inspected surface for the first 3 feet of duct can
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FIGURE 2 DimensionsofBasicUnitforArchitecturalandInstallationRequirements(Nominal) WIDTH DEPTH HEIGHTSN UPPLY RETUR MODEL (W) (D) (H) AB C B E F G I J K L M N O P Q R S T W17A,L W18A,L35 3.30013 7.1278 0.5678 .818 9.818 1.810 9.830 5.015 1.026 5.725 0.526 6.725 8.020 9.223 7.023 .636 4.125 2.019 0.540 .110 2.0 5.0 W24A,L W30A,L 35 8.20013 7.1278 0.5678 .828 7.818 3.820 7.840 0.015 1.023 5.715 7.925 6.725 8.720 9.225 7.029 .735 9.124 2.799 .140 .110 2.0 5.0 W36A,L W42A,L W48A,L42 2.07525 2.4388
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Manual 2100-508F Page 8 of 25 FIGURE 3A W17A1, W17L1, W18A1, W18L1, W24A1, W24L1 MOUNTING INSTRUCTIONS SEAL WITH BEAD OF CAULKING ALONG ENTIRE LENGTH OF TOP. RAIN FLASHING SUPPLIED FOAM AIR SEAL TOP WALL STRUCTURE WALL 1/4" CLEARANCE ON ALL FOUR SIDES OF SUPPLY AIR DUCT IS REQUIRED FROM COMBUSTABLE MATERIALS 13 1 1 3 " 7 " 20" 7 " 16 16 16 SUPPLY AIR HEATER ACCESS 8" DUCT Supply Opening PANEL 12" 1 20 " 2 12" RETURN AIR 12" 12" Return Opening OPENING 20" 12" 1 3 " 3" 8 NOTES: 12" 4" 7 1" IT IS
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Manual 2100-508F Page 9 of 25 FIGURE 3B W30A1, W30L1, W36A1, W36L1 MOUNTING INSTRUCTIONS SEAL WITH BEAD A B C D E OF CAULKING ALONG ENTIRE LENGTH OF TOP. REQUIRED DIMENSIONS TO MAINTAIN RAIN FLASHING 28 1/2 8 1/2 5 1/4 3 13/16 17 5/8 1/4" MIN. CLEARANCE FROM SUPPLIED COMBUSTIBLE MATERIALS REQUIRED DIMENSIONS TO MAINTAIN FOAM AIR SEAL TOP 30 10 4 1/2 4 9/16 16 7/8 RECOMMENDED 1" CLEARANCE FROM COMBUSTIBLE MATERIALS WALL STRUCTURE WALL 1/4" CLEARANCE ON ALL FOUR SIDES OF SUPPLY AIR DUCT IS REQUIR
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Manual 2100-508F Page 10 of 25 FIGURE 3C W42A1, W42L1, W48A1, W48L1, W60A1, W60L1, W70A1, W70L1 MOUNTING INSTRUCTIONS SEAL WITH BEAD OF CAULKING ALONG ENTIRE LENGTH OF RAIN FLASHING TOP. SUPPLIED AB C D E REQUIRED DIMENSIONS TO MAINTAIN 30 1/2 10 1/2 6 1/4 1 1/4 29 3/4 FOAM AIR SEAL TOP 1/4" MIN. CLEARANCE FROM COMBUSTIBLE MATERIALS WALL STRUCTURE REQUIRED DIMENSIONS TO MAINTAIN 32 12 5 1/2 2 29 RECOMMENDED 1" CLEARANCE FROM COMBUSTIBLE MATERIALS 1/4" CLEARANCE ON ALL FOUR SIDES OF SUPPLY WALL
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FIGURE 4 ELECTRIC HEAT CLEARANCE W30A1, W30L1, W36A1, W36L1, W42A1, W42L1, W48A1, W48L1, W60A1, W60L1, W70A1, W70L1 SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1/4 INCH CLEARANCE TO COMBUSTIBLE SURFACES. WARNING A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. This is required for the first 3 feet of ducting. It is important to insure that the 1/4 inch minimum spacing is maintained at all points. Failure t
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FIGURE 5 WALL MOUNTING INSTRUCTIONS WALL STRUCTURE SEE FIGURE 3 – MOUNTING INSTRUCTIONS FACTORY SUPPLIED RAIN FLASHING. MOUNT ON UNIT BEFORE INSTALLATION SUPPLY AIR SUPPLY AIR SUPPLY AIR DUCT OPENING OPENING RETURN AIR RETURN AIR RETURN AIR OPENING OPENING OPENING BOTTOM MOUNTING WOOD OR STEEL SIDING BRACKET. MOUNT ON WALL BEFORE INSTALLING UNIT. MIS-548 A CONCRETE BLOCK WALL INSTALLATION WOOD FRAME WALL INSTALLATION SIDE VIEW FIGURE 6 WALL MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 2,
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FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS SUPPLY DUCT MAY BE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN RAIN RAIN FLASHING RAFTERS FLASHING RAFTERS FINISHED CEILING SURFACE SUPPLY AIR DUCT SUPPLY AIR DUCT FINISHED CEILING SURFACE W/ GRILLE RETURN AIR RETURN AIR OPENING W/ GRILLE OPENING W/ GRILLE OUTSIDE OUTSIDE WALL WALL FREE AIR FLOW DUCTED SUPPLY NO DUCT RETURN AT UNIT SUPPLY DUCT MAYBE LOCATED IN AN ATTIC SUPPLY DUCT MAYBE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN
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WIRING – MAIN POWER WIRING – LOW VOLTAGE WIRING 230/208V, 1 phase and 3 phase equipment dual primary Refer to the unit rating plate for wire sizing information and maximum fuse or “HACR” type circuit breaker voltage transformers. All equipment leaves the factory wired on 240V tap. For 208V operation, reconnect from size. Each outdoor unit is marked with a “Minimum Circuit Ampacity”. This means that the field wiring 240V to 208V tap. The acceptable operating voltage range for the 240 and
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START UP REMEMBER: When adding R-410A refrigerant, it THESE UNITS REQUIRE R-410A must come out of the charging cylinder/tank as a liquid REFRIGERANT AND POLYOL to avoid any fractionation, and to insure optimal system performance. Refer to instructions for the cylinder that ESTER OIL. is being utilized for proper method of liquid extraction. GENERAL: 1. Use separate service equipment to avoid cross contamination of oil and refrigerants. 2. Use recovery equipment rated for R-410A WARNING
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START UP (Continued) IMPORTANT INSTALLER NOTE PHASE MONITOR For improved start up performance wash the indoor coil All units with three phase scroll compressors are with a dish washing detergent. equipped with a 3 phase line monitor to prevent compressor damage due to phase reversal. HIGH PRESSURE SWITCH The phase monitor in this unit is equipped with two LEDs. If the Y signal is present at the phase monitor All W**A/W**L wall mounted air conditioner series models are supplied with a remote res
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Alarm Relay Output SEQUENCE OF OPERATION COOLING – Circuit R-Y makes at thermostat pulling Alarm terminal is output connection for applications in compressor contactor, starting the compressor and where alarm relay is employed. This terminal is outdoor motor. The G (indoor motor) circuit is powered whenever the compressor is locked out due to automatically completed on any call for cooling HPC or LPC sequences as described. operation or can be energized by manual fan switch on NOTE: Both hig
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TROUBLESHOOTING FAN BLADE SETTING DIMENSIONS R-410A Shown in Figure 8 is the correct fan blade setting for proper air delivery across the outdoor coil. Refer to REFRIGERANT CHARGE Table 1 for unit specific dimension. This unit was charged at the factory with the quantity of refrigerant listed on the serial plate. AHRI capacity and Any service work requiring removal or adjustment in efficiency ratings were determined by testing with this the fan and/or motor area will require that the refrigera
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TABLE 2 COOLING PRESSURE TABLE Air Temperature Entering Outdoor Coil °F Return Air ModelTe emperatureP5 ressur 708580959015 0 10 0 15 1 10 1 12 75 deg. DB Low Side 127 129 131 133 135 137 138 140 141 143 62 deg. WB High Side 295 316 337 360 383 407 432 457 484 511 W1 17A1/L 80 deg. DB Low Side 136 138 140 142 145 146 148 150 151 153 W18A1/L1 67 deg. WB High Side 303 324 346 369 400 417 443 469 496 524 85 deg. DB Low Side 141 143 145 147 149 151 153 155 156 158 72 deg. WB High Side 314 335 358 3
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TABLE 3 Electrical Specifications — W**A Series SingleCircuit DualCircuit 3Minimum 1Maximum 2Field 2Ground Rated No.Field 3Minimum 1Maximum 2Field Circuit ExternalFuse Power 2Ground WireSize Model Volts Power Circuit ExternalFuse Power Ampacity orCkt.Brkr. WireSize Wire Ampacity orCkt.Brkr. WireSize andPhase Circuits CB kt.ACA kt.CB kt.CA kt.CB kt.CA kt.CB kt. Ckt. W17,18A1-A00,A0Z 1 16 20 12 12 A05 1 30 30 10 10 230/208-1 A08 1 46 50 8 10 A10 1 56 60 6 10 W24A1-A00,A0Z 1 21 30 10 10 A05 1 30
