Instruction/ maintenance manual of the product WA4822 Bard
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INST ALLA TION INSTRUCTIONS W ALL MOUNTED P ACKAGE AIR CONDITIONERS MODELS W A4822 W A4823 W A6022 W A6023 W A602N Manual : 2100-348D Supersedes: 2100-348C File: V olume III T ab 16 Date: 05-20-01 Bard Manufacturing Company Bryan, Ohio 43506 Since 1914.
CONTENTS Figures Figure 1 Unit Dimensions ...................................... 3 W A602N, W A6023, WA4823 Figure 2 Unit Dimensions ...................................... 4 W A6022, WA4822 Figure 3 Mounting Instructions ..............................
Manual 2100-348 Page 1 Getting Other Information and Publications These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard.
Manual 2100-348 Page 2 W ALL MOUNT GENERAL INFORMA TION AIR CONDITIONING WALL MOUNT MODEL NOMENCLATURE W A 60 2 3 A 10 X N X X X A NOTE: All vent options are without exhaust capability. May require separate field supplied barometric relief in building.
Manual 2100-348 Page 3 FIGURE 1 UNIT DIMENSIONS WA602N, WA6023, WA4823 ONLY MIS-1348.
Manual 2100-348 Page 4 FIGURE 2 UNIT DIMENSIONS WA6022, WA4822 ONLY MIS-1442.
Manual 2100-348 Page 5 TABLE 2 ELECTRICAL SPECIFICATIONS j k l Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors. Based on 75 ° C copper wire. All Wiring must conform to NEC and all local codes.
Manual 2100-348 Page 6 A 1/4 inch clearance to combustible material for the first three feet of duct attached to the outlet air frame is required. See Wall Mounting Instructions and Figures 3 and 3A for further details. Ducts through the walls must be insulated and all joints taped or sealed to prevent air or moisture entering the wall cavity.
Manual 2100-348 Page 7 INST ALLA TION INSTRUCTIONS WALL MOUNTING INFORMATION 1. Two holes for the supply and return air openings must be cut through the wall as shown in Figure 1 or 2. Figure 1 is for models WA4823, and WA6023. Figure 2 is for Models WA4822 and WA6022.
Manual 2100-348 Page 8 FIGURE 3 MOUNTING INSTRUCTIONS WA602N, WA6023, WA4823 ONLY MIS-1349.
Manual 2100-348 Page 9 FIGURE 4 MOUNTING INSTRUCTIONS WA6022, WA4822 ONLY MIS-1444.
Manual 2100-348 Page 10 FIGURE 5 ELECTRIC HEAT CLEARANCE SIDE SECTION VIEW OF SUPPL Y AIR DUCT FOR W ALL MOUNTED UNIT SHOWING 1/4 INCH CLEARANCE TO COMBUSTIBLE SURF ACES. MIS-277 W ARNING A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials.
Manual 2100-348 Page 11 FIGURE 6 WALL MOUNTING INSTRUCTIONS FIGURE 7 WALL MOUNTING INSTRUCTIONS MIS-548 MIS-549 SEE FIGURE 3 – MOUNTING INSTRUCTIONS SUPPLY AIR OPENING RETURN AIR OPENING RETURN AIR OPENING SUPPLY AIR OPENING BOTTOM MOUNTING BRACKET.
Manual 2100-348 Page 12 FIGURE 8 COMMON WALL MOUNTING INSTALLATIONS FREE AIR FLOW NO DUCT DUCTED SUPPLY RETURN AT UNIT FALSE WALL INSTALLATION CLOSET INSTALLATION MIS-550.
Manual 2100-348 Page 13 WIRING – MAIN POWER 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 Ampacity”. This means that the field wiring used must be sized to carry that amount of current.
Manual 2100-348 Page 14 FIGURE 9 UNIT 24V TERMINAL BOARD MIS-1373A.
Manual 2100-348 Page 15 ST ART UP IMPORTANT INSTALLER NOTE For improved start up performance wash the indoor coil with a dish washing detergent. CRANKCASE HEATERS These units are not provided with crankcase heat. These units utilize scroll compressors which do not require crankcase heat in this application.
Manual 2100-348 Page 16 PRESSURE SERVICE PORTS High and low pressure service ports are installed on all units so that the system operating pressures can be observed. A pressure table can be found later in the manual covering all models. It is imperative to match the correct pressure table to the unit by model number.
Manual 2100-348 Page 17 The suction line temperatures in table above are based upon 80° F dry bulb / 67° F wet bulb (50% R.H.) temperature and rated airflow across the evaporator during cooling cycle. REMOVAL OF FAN SHROUD 1. Disconnect all power to the unit.
Manual 2100-348 Page 18 Low side pressure ± 2 PSIG High side pressure ± 5 PSIG Tables are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct operating charge being in the system, the charge should be removed, system evacuated and recharged to serial plate instructions.
Manual 2100-348 Page 19 TABLE 11 OPTIONAL ACCESSORIES WA6023A. WA6022A WA6023B, WA6022B WA4823A, WA4822A WA4823B, WA4822B t r a P r e b m u Nn o i t p i r c s e D 5 1 - C M Ct i K t r a t SX X A 9 0 -.
An important point after buying a device Bard WA4822 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bard WA4822 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bard WA4822 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard WA4822 you will learn all the available features of the product, as well as information on its operation. The information that you get Bard WA4822 will certainly help you make a decision on the purchase.
If you already are a holder of Bard WA4822, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bard WA4822.
However, one of the most important roles played by the user manual is to help in solving problems with Bard WA4822. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard WA4822 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
