Instruction/ maintenance manual of the product WA482 Bard
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INST ALLA TION INSTRUCTIONS W ALL MOUNTED P ACKAGE AIR CONDITIONERS MODELS W A421 W A482 W A602 Manual : 2100-218I Supersedes: 2100-218H File : V olume III T ab 16 Date: 04-19-99 Bard Manufacturing Company Bryan, Ohio 43506 Since 1914...Moving ahead, just as planned.
Contents Figures Figure 1 Unit Dimensions ...................................... 3 Figure 2 Fresh Air Damper Assembly ................... 6 Figure 3 Mounting Instructions ............................... 8 Figure 4 Electric Heat Clearance .............
Manual 2100-218 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 2100-218 Page 2 W ALL MOUNT GENERAL INFORMA TION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE W A 42 1 – A 10 X N X X X A NOTE: All vent options are without exhaust capability.
Manual 2100-218 Page 3 FIGURE 1 UNIT DIMENSIONS MIS-1262 l e d o M h t d i W ) W ( h t p e D ) D ( t h g i e H ) H ( y l p p u Sn r u t e R EF GIJ K L M N O P Q R S T A BCB 2 4 A W 8 4 A W 5 7 0 . 2 42 3 4 . 2 25 7 8 . 4 88 8 . 98 8 . 9 28 8 . 5 18 8 .
Manual 2100-218 Page 4 ➀ ➁ ➂ TABLE 2 ELECTRICAL SPECIFICATIONS 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 2100-218 Page 5 SHIPPING DAMAGE Upon receipt of equipment, the carton should be checked for external signs of shipping damage. If damage is found, the receiving party must contact the last carrier immediately, preferably in writing, requesting inspection by the carrier’s agent.
Manual 2100-218 Page 6 FRESH AIR INTAKE All units are built with fresh air inlet slots punched in the service panel. If the unit is equipped with a fresh air damper assembly, the assembly is shipped already attached to the unit. The damper blade is locked in the closed position.
Manual 2100-218 Page 7 INST ALLA TION INSTRUCTIONS W ARNING Failure to provide the 1/4 inch clearance between the supply duct and a combustible surface for the first 3 feet of duct can result in fire causing damage, injury or death. WALL MOUNTING INFORMATION 1.
Manual 2100-218 Page 8 FIGURE 3 MOUNTING INSTRUCTIONS MIS-416.
Manual 2100-218 Page 9 W ARNING 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.
Manual 2100-218 Page 10 FIGURE 5 WALL MOUNTING INSTRUCTIONS FIGURE 6 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 2100-218 Page 11 FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS FREE AIR FLOW NO DUCT DUCTED SUPPLY RETURN AT UNIT FALSE WALL INSTALLATION CLOSET INSTALLATION MIS-550.
Manual 2100-218 Page 12 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 2100-218 Page 13 FIGURE 8 UNIT 24V TERMINAL BOARD MIS-1373.
Manual 2100-218 Page 14 THREE PHASE SCROLL COMPRESSOR START UP INFORMATION Scroll compressors, like several other types of compressors, will only compress in one rotational direction. Direction of rotation is not an issue with single phase compressors since they will always start and run in the proper direction.
Manual 2100-218 Page 15 Low Pressure Switch, Bypass, and Lockout Sequence If the low pressure switch opens for more than 120 seconds, the compressor contactor will de-energize and go into a soft lockout. Regardless the state of the low pressure switch, the contactor will reenergize after the delay on make time delay has expired.
Manual 2100-218 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 2100-218 Page 17 REMOVAL OF FAN SHROUD 1. Disconnect all power to the unit. 2. Remove the screws holding both grilles, one on each side of unit, and remove grilles.
Manual 2100-218 Page 18 l e d o M d e t a R * M F C d e t a R * P S E d e d n e m m o c e R e g n a R w o l f r i A 1 2 4 A W0 0 4 10 3 .0 5 1 1 - 0 0 6 1 2 8 4 A W0 5 5 10 2 .5 8 2 1 - 0 5 7 1 2 0 6 A W0 0 7 10 3 .5 7 3 1 - 0 5 9 1 TABLE 8 RECOMMENDED AIRFLOW * Rated CFM and ESP on high speed tap.
Manual 2100-218 Page 19 t r a P r e b m u Nn o i t p i r c s e D 5 0 A - 5 0 A W H E 8 0 A - 5 0 A W H E 0 1 A - 5 0 A W H E 5 1 A - 5 0 A W H E s e g a k c a P r e t a e H s e g a k c a P r e t a e H.
An important point after buying a device Bard WA482 (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 WA482 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 WA482 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard WA482 you will learn all the available features of the product, as well as information on its operation. The information that you get Bard WA482 will certainly help you make a decision on the purchase.
If you already are a holder of Bard WA482, 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 WA482.
However, one of the most important roles played by the user manual is to help in solving problems with Bard WA482. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard WA482 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