Instruction/ maintenance manual of the product WA121 Bard
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Manual 2100-234 I Page 1 of 1 7 W ALL MOUNTED P ACKAGE AIR CONDITIONERS Model: W A121 INST ALLA TION INSTRUCTIONS Manual : 2100-234 I Supersedes: 2100-234H File: V olume III T ab 16 Date: 08-01-07 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Since 1914.
Manual 2100-234 I Page 2 of 1 7 CONTENTS Getting Other Informations and Publications 3 W all Mount General Information Air Conditioner W all Mount Model Nomenclature ..... 4 Shipping Damage ..................................................... 6 General .
Manual 2100-234 I Page 3 of 1 7 GETTING OTHER INFORMA TION and PUBLICA TIONS 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 2100-234 I Page 4 of 1 7 W ALL MOUNT GENERAL INFORMA TION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE TABLE 1 ELECTRIC HEAT TABLE s l e d o MA - 1 2 1 A WK - 1 2 1 A WG - 1 2 1 A W V 0 4 2V 8 0 2V 0 2 1V 0 4 2V 0 2 2 W KA 1 U T BA 1 U T BA 1 U T BA 1 U T BA 1 U T B 2 03 .
Manual 2100-234 I Page 5 of 1 7 FIGURE 1 UNIT DIMENSIONS FACTORY BUILT AT 5 INCHES.
Manual 2100-234 I Page 6 of 1 7 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 2100-234 I Page 7 of 1 7 DUCT WORK All duct work, supply and return must be properly sized for the design air flow requirement of the equipment.
Manual 2100-234 I Page 8 of 1 7 INST ALLA TION INSTRUCTIONS WALL MOUNTING INFORMATION 1. These units are secured by wall mounting brackets which secure the unit to the outside wall surface at both sides.
Manual 2100-234 I Page 9 of 1 7 FIGURE 3 MOUNTING INSTRUCTIONS.
Manual 2100-234 I Page 10 of 1 7 FIGURE 5 WALL MOUNTING INSTRUCTIONS FIGURE 4 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 - MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS.
Manual 2100-234 I Page 11 of 1 7 FIGURE 6 COMMON WALL-MOUNTING INSTALLATIONS.
Manual 2100-234 I Page 12 of 1 7 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 2100-234 I Page 13 of 1 7 FIGURE 7 LOW VOLTAGE WIRING.
Manual 2100-234 I Page 14 of 1 7 ST ART UP IMPORTANT INSTALLER NOTE For improved start up performance, wash the indoor coil with a dishwasher detergent. SERVICE HINTS 1. Caution owner to maintain clean air filters at all times. Also not to needlessly close off supply and return air registers.
Manual 2100-234 I Page 15 of 1 7 ADJUSTMENTS Adjustable Delay on Make and Delay on Break Timer The potentiometer is used to select Delay on Break time from 30 seconds to 5 minutes. Delay of Make (DOM) timing on power up and after power interruptions is equal to 2 minutes plus 10% of Delay of Break (DOB) setting: 0.
Manual 2100-234 I Page 16 of 1 7 TROUBLESHOOTING FAN BLADE SETTING DIMENSIONS Show in Figure 8 is the correct fan blade setting dimension for proper air delivery across the outdoor coil.
Manual 2100-234 I Page 17 of 1 7 TABLE 10 PRESSURE TABLE l e d o M r i A n r u t e R e r u t a r e p m e Te r u s s e r P5 7 o 0 8 o 5 8 o 0 9 o 5 9 o 0 0 1 o 5 0 1 o 0 0 1 o 5 1 1 o 1 2 1 A W B D . g e d 5 7 B W . g e d 2 6 e d i S w o L e d i S h g i H 2 7 7 8 1 4 7 1 0 2 6 7 6 1 2 9 7 2 3 2 1 8 8 4 2 3 8 5 6 2 6 8 2 8 2 8 8 0 0 3 1 9 9 1 3 B D .
An important point after buying a device Bard WA121 (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 WA121 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 WA121 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard WA121 you will learn all the available features of the product, as well as information on its operation. The information that you get Bard WA121 will certainly help you make a decision on the purchase.
If you already are a holder of Bard WA121, 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 WA121.
However, one of the most important roles played by the user manual is to help in solving problems with Bard WA121. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard WA121 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
