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INSTALLATION INSTRUCTIONS
WALL MOUNTED
PACKAGE AIR CONDITIONERS
MODELS
W17A2 W17L2
W18A2 W18L2
W24A2 W24L2
W30A2 W30L2
W36A2 W36L2
W42A2 W42L2
W48A2 W48L2
W60A2 W60L2
W70A2 W70L2
Bard Manufacturing Company, Inc.
Manual : 2100-581B
Bryan, Ohio 43506
Supersedes: 2100-581A
File: Volume III Tab 16
Since 1914...Moving ahead just as planned.
Date: 11-25-13
Manual 2100-581B
Page 1 of 26
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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 THESE PUBLISHERS: at 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 .......................AN
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WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE W 42 A 2 – A 10 X X X X X A REVISIONS CONTROL MODULES MODEL NUMBER (See Spec. Sheet S3397) KW CAPACITY 17 - 1½ Ton VOLTS & PHASE COIL OPTIONS 18 - 1½ Ton A - 230/208/60/1 COLOR OPTIONS X - Standard 24 - 2 Ton B - 230/208/60/3 1 - Phenolic Coated Evaporator X - Beige (Standard) 30 - 2½ Ton C - 460/60/3 1 - White 2 - Phenolic Coated Condenser 36 - 3 Ton 3 - Phenolic Coated Evaporator 4 - Buckeye Gray 42 - 3½ Ton
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DUCT WORK FILTERS A 1-inch throwaway filter is standard with each unit. All duct work, supply and return, must be properly sized for the design airflow requirement of the equipment. The filter slides into position making it easy to service. This filter can be serviced from the outside by removing Air Conditioning Contractors of America (ACCA) is an excellent guide to proper sizing. All duct work or portions the filter access panel. A 1-inch washable filter and 2-inch pleated filter ar
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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 Failure to provide the 1/4 inch clearance strong and rigid enough to carry the weight of the between the supply duct and a combustible unit without transmitting any unit vibration. surface for the first 3 feet of duct can result in 3. Concrete block walls must be th
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FIGURE 2 Dimensions of Basic Unit for Architectural and Installation Requirements (Nominal) SUPPLY RETURN WIDTH DEPTH HEIGHT MODEL (W) (D) (H) A B C B E F G I J K L M N O P Q R S T W17A, L W18A, L 33.300 17.125 70.563 7.88 19.88 11.88 19.88 35.00 11.00 25.75 20.56 26.75 28.06 29.25 27.00 2.63 34.13 22.06 10.55 4.19 12.00 5.00 W24A, L W30A, L 38.200 17.125 70.563 7.88 27.88 13.88 27.88 40.00 11.00 25.75 17.93 26.75 28.75 29.25 27.00 2.75 39.19 22.75 9.14 4.19 12.00 5.00 W36A, L W42A, L W48A, L 4
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Manual 2100-581B Page 8 of 26 FIGURE 3A W17A2, W17L2, W18A2, W18L2, W24A2, W24L2 MOUNTING INSTRUCTIONS SEAL WITH BEAD OF CAULKING ALONG ENTIRE LENGTH OF TOP. RAIN FLASHING SUPPLIED FOAM AIR SEAL TOP WALL STRUCTURE WALL 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 RECOMMENDED THAT A BEAD OF " 1" 8 Typ. SILICONE CAULKING BE PLACED BEHIND THE SIDE MOUNTIN
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Manual 2100-581B Page 9 of 26 FIGURE 3B W30A2, W30L2, W36A2, W36L2 MOUNTING INSTRUCTIONS SEAL WITH BEAD A B C D E OF CAULKING ALONG ENTIRE LENGTH OF TOP. REQUIRED DIMENSIONS TO MAINTAIN RAIN FLASHING 28 3/8 8 3/8 5 3/8 3 11/16 17 5/8 1/4" MIN. CLEARANCE FROM SUPPLIED COMBUSTIBLE MATERIALS REQUIRED DIMENSIONS TO MAINTAIN FOAM AIR SEAL TOP 29 7/8 9 7/8 4 5/8 4 7/16 16 7/8 RECOMMENDED 1" CLEARANCE FROM COMBUSTIBLE MATERIALS WALL STRUCTURE WALL 1/4" CLEARANCE ON ALL FOUR SIDES OF SUPPLY AIR DUCT I
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Manual 2100-581B Page 10 of 26 FIGURE 3C W42A2, W42L2, W48A2, W48L2, W60A2, W60L2, W70A2, W70L2 MOUNTING INSTRUCTIONS SEAL WITH BEAD OF CAULKING ALONG ENTIRE LENGTH OF RAIN FLASHING TOP. SUPPLIED A B C DE REQUIRED DIMENSIONS TO MAINTAIN 30 1/2 10 1/2 6 1/4 1 1/4 29 3/4 FOAM AIR SEAL 1/4" MIN. CLEARANCE FROM TOP 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 W30A2, W30L2, W36A2, W36L2, W42A2, W42L2, W48A2, W48L2, W60A2, W60L2, W70A2, W70L2 NOTE 1: 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 poi
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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 O
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WIRING – MAIN POWER WIRING – LOW VOLTAGE WIRING Refer to the unit rating plate for wire sizing information All 230/208V, 1 phase and 3 phase equipment have and maximum fuse or “HACR” type circuit breaker dual primary voltage transformers. All equipment size. Each outdoor unit is marked with a “Minimum leaves the factory wired on 240V tap. For 208V Circuit Ampacity”. This means that the field wiring operation, reconnect from 240V to 208V tap. The used must be sized to carry that
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START UP REMEMBER: When adding R-410A refrigerant, THESE UNITS REQUIRE R-410A it must come out of the charging cylinder/tank as a REFRIGERANT AND POLYOL liquid to avoid any fractionation, and to ensure optimal system performance. Refer to instructions for the ESTER OIL. cylinder that 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
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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 All W**A/W**L wall mounted air conditioner series LEDs. If the Y signal is present at the phase monitor and phases are correct the green
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Alarm Relay Output SEQUENCE OF OPERATION Alarm terminal is output connection for applications COOLING – Circuit R-Y makes at thermostat pulling in compressor contactor, starting the compressor and where alarm relay is employed. This terminal is outdoor motor. (See NOTE under Condenser Fan powered whenever the compressor is locked out due to Operation if equipped with Low Ambient Control.) The HPC or LPC sequences as described. G (indoor motor) circuit is automatically completed NOTE:
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TROUBLESHOOTING FAN BLADE SETTING DIMENSIONS R-410A Shown in Figure 8 is the correct fan blade setting for REFRIGERANT CHARGE proper air delivery across the outdoor coil. Refer to This unit was charged at the factory with the quantity of Table 1 for unit specific dimension. refrigerant listed on the serial plate. AHRI capacity and Any service work requiring removal or adjustment efficiency ratings were determined by testing with this in the fan and/or motor area will require that the re
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TABLE 2 COOLING PRESSURE TABLE Air Temperature Entering Outdoor Coil °F Return Air Temp Model Pressure 75 80 85 90 95 100 105 110 115 120 (DB/WB) Low Side 124 126 128 130 132 133 135 137 138 140 75/62 High Side 321 340 362 384 409 434 461 490 521 553 Low Side 133 135 137 139 141 142 144 146 148 150 W17A/L 80/67 High Side 329 349 371 394 419 445 473 503 534 567 Low Side 138 140 142 144 146 147 149 151 153 155 85/72 High Side 341 361 384 408 434 461 490 521 553 587 Low Side 127 129 131 133 135
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TABLE 3 Electrical Specifications — W**A Series Single Circuit Dual Circuit No. j Minimum j Maximum Rated Field Circuit External Fuse Field Power Ground Maximum Field MODEL Volts & Minimum Power External Power Ground Ampacity or Ckt. Breaker Wire Size Wire Size Phase Circuit Circuits Fuse or Wire Wire Ampacity Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B Ckt. Brkr. Size W17, 18A2-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 W
