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INSTALLATION INSTRUCTIONS
WALL MOUNTED
PACKAGE AIR CONDITIONERS
MODELS
WL4822
WL4823
WL6022
WL6023
WL602N
Bard Manufacturing Company Manual : 2100-351D
Supersedes: 2100-351C
Bryan, Ohio 43506
File: Volume III Tab 16
Since 1914...Moving ahead just as planned.
Date: 09-20-01
© Copyright 2001
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Contents Start Up Getting Other Information and Publications 1 Important Installer Note ........................................ 15 Crankcase Heaters ............................................... 15 Wall Mount General Information High Pressure Switch ........................................... 15 Air Conditioning Wall Mount Model Nomenclature . 2 Three Phase Scroll Compressor Start Up ............ 15 Shipping Damage ................................................... 6 Service Hints ..........
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Getting Other Information and Publications These publications can help you install the air conditioner For more information, contact these or heat pump. You can usually find these at your local publishers: library or purchase them directly from the publisher. Be sure to consult current edition of each standard. ACCA Air Conditioning Contractors of America 1712 New Hampshire Ave. N.W. Washington, DC 20009 National Electrical Code ........................ ANSI/NFPA 70 Telephone: (202) 483-9370 Fax
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WALL MOUNT GENERAL INFORMATION AIR CONDITIONING WALL MOUNT MODEL NOMENCLATURE MODEL NUMBER CONTROL MODULES WL 60 2 3 A 10 X N X X X A CAPACITY COIL OPTIONS 60 - 5 Ton X - Standard REVISIONS 1 - Phenolic Coated Evaporator COLOR OPTIONS 2 - Phenolic Coated Condenser KW X - Beige (Standard) 3 - Phenolic Coated Evaporator FEATURE CODE 1 - White and Condenser 3 - 3 ton air openings 2 - Mesa Tan on 5 ton cabinet VOLTS & PHASE 4 - Buckeye Gray OUTLET OPTIONS 2 - 2 ton a
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Manual 2100-351 Page 3 FIGURE 1 UNIT DIMENSIONS WL602N, WL6023, WL4823 ONLY MIS-1451
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Manual 2100-351 Page 4 FIGURE 2 UNIT DIMENSIONS WL6022, WL4822 ONLY MIS-1452
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Manual 2100-351 Page 5 TABLE 2 ELECTRICAL SPECIFICATIONS SINGLE CIRCUIT DUAL CIRCUIT 3 1 2 2 3 1 2 2 Maximum Minimum Maximum ExternalFuse No. Circuit Ground External Field or Field Power Rated Field Ampacity Wire Size Minimum Fuse or Power Ground Ckt.Breaker Wire Size Volts & Power Circuit Ckt. Wire Wire Phase Circuits CB KT ACA KTCB KTCA KTCB KTCA KTCB KT CKT Model Ampacity Breaker Size Size W1 L4822A00,A0Z21 30/208- 308 58 1A 0 NA / NA / NA / NA / NA / NA / NA / N/ W3 L4822B00,B0Z21 30/2
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Design the duct work according to methods given by the SHIPPING DAMAGE Air Conditioning Contractors of America (ACCA). Upon receipt of equipment, the carton should be checked When duct runs through unheated spaces, it should be for external signs of shipping damage. If damage is insulated with a minimum of one inch of insulation. Use found, the receiving party must contact the last carrier insulation with a vapor barrier on the outside of the immediately, preferably in writing, requesting insp
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INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION 1. Two holes for the supply and return air openings must WARNING be cut through the wall as shown in Figure 1 or 2. Figure 1 is for models WL4823, and WL6023. Failure to provide the 1/4 inch clearance Figure 2 is for Models WL822 and WL6022. between the supply duct and a combustible 2. On wood frame walls, the wall construction must be surface for the first 3 feet of duct can result in strong and rigid enough to carry the weight of the
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Manual 2100-351 Page 8 FIGURE 3 MOUNTING INSTRUCTIONS WL602N, WL6023, WL4823 ONLY MIS-1349
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Manual 2100-351 Page 9 FIGURE 4 MOUNTING INSTRUCTIONS WL6022, WL4822 ONLY MIS-1444
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FIGURE 5 ELECTRIC HEAT CLEARANCE SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1/4 INCH CLEARANCE TO COMBUSTIBLE SURFACES. MIS-277 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 to do this could result in overheating the combustible material and may resu
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FIGURE 6 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS WALL STRUCTURE FACTORY SUPPLIED RAIN FLASHING. MOUNT ON UNIT BEFORE INSTALLATION SUPPLY AIR SUPPLY AIR SUPPLY AIR OPENING OPENING OPENING RETURN AIR RETURN AIR RETURN AIR OPENING OPENING OPENING BOTTOM MOUNTING BRACKET. MOUNT ON WALL BEFORE INSTALLING UNIT. MIS-948 MIS-548 FIGURE 7 WALL MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS ATTACH TO TOP PLATE OF WALL 1.000” CLEARANCE
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FIGURE 8 COMMON WALL MOUNTING INSTALLATIONS MIS-550 Manual 2100-351 Page 12
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WIRING – MAIN POWER See “Start Up” section for important information on three phase scroll compressor start ups. Refer to the unit rating plate for wire sizing information and maximum fuse or “HACR” type circuit breaker size. Each outdoor unit is marked with a “Minimum Circuit WIRING – LOW VOLTAGE WIRING Ampacity”. This means that the field wiring used must be 230 / 208V, 1 phase and 3 phase equipment dual primary sized to carry that amount of current. Depending on the voltage transformers.
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FIGURE 9 UNIT 24V TERMINAL BOARD MIS-1373A Manual 2100-351 Page 14
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START UP IMPORTANT INSTALLER NOTE SERVICE HINTS 1. Caution homeowner to maintain clean air filters at all For improved start up performance wash the indoor coil times. Also, not to needlessly close off supply and with a dish washing detergent. return air registers. This reduces air flow through the system, which shortens equipment service life as well as increasing operating costs. CRANKCASE HEATERS 2. Switching to heating cycle at 75° F or higher outside These units are not provided with crank
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High Pressure Switch and Lockout Sequence ADJUSTMENTS If the high pressure switch opens, the compressor Adjustable Delay on Make and Delay on Break contactor will de-energize immediately. The lockout Timer timer will go into a soft lockout and stay in soft lockout The potentiometer is used to select Delay on Break time until the high pressure switch closes and the delay on from 30 seconds to 5 minutes. Delay on Make (DOM) break time has expired. If the high pressure switch timing on power-up
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TROUBLESHOOTING FAN BLADE SETTING DIMENSIONS REFRIGERANT CHARGE Shown in Figure 10 is the correct fan blade setting The correct system R-22 charge is shown on the unit dimension for proper air delivery across the outdoor coil. rating plate. Optimum unit performance will occur with a refrigerant charge resulting in a suction line temperature Any service work requiring removal or adjustment in the (6” from compressor) as shown in Table 7. fan and/or motor area will require that the dimensions belo
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TABLE 9 MAXIMUM ESP OF OPERATION ELECTRIC HEAT ONLY MP ODELS ES A05 .4 WL6023 - ONLY A10 .3 B09 .3 Values shown are for units equipped with standard 1” throwaway filters or 1” washable filters. Derate ESP by .15 for 2” pleated filters. TABLE 10 PRESSURE TABLE COOLING Air Temperature Entering Outdoor Coil °F Return Air ModelTe emperatureP5 ressur 708580959015 0 10 0 15 1 11 75 deg. DB Low Side 71 72 74 75 76 77 78 78 79 62 deg. WB High Side 233 247 262 278 295 313 331 351 371 80 deg. DB Low Si
