Instruction/ maintenance manual of the product W12A2-A Bard
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Manual 2100-509E Page 1 of 17 W ALL MOUNTED P ACKAGE AIR CONDITIONERS Model: W12A2-A W12A1-K INST ALLA TION INSTRUCTIONS Manual: 2100-509E Supersedes: 2100-509D File: V olume III T ab 16 Date: 08-20-12 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Since 1914.
Manual 2100-509E Page 2 of 17 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 2100-509E Page 3 of 17 GETTING OTHER INFORMA TION and PUBLICA TIONS These publications can help you install the air conditioner or heat pump. Y ou can usually nd these at your local library or purchase them directly from the publisher . Be sure to consult current edition of each standard.
Manual 2100-509E Page 4 of 17 W ALL MOUNT GENERAL INFORMA TION AIR CONDITIONER W ALL MOUNT MODEL NOMENCLA TURE T ABLE 1 ELECTRIC HEA T T ABLE W 12 A 2 – A 00 X X X X X J Models KW W12A2-A W12A1-K 240V 208V 120V A j BTU A j BTU A j BTU 02 18.3 7,985 03 15.
Manual 2100-509E Page 5 of 17 FIGURE 1 UNIT DIMENSIONS 32.00 30.13 17.00 2.25 5.00 2.0 0* 17.00 5.00 5.00* 20.25 2.50 14.63 19.72 1.75 31.06 26.75 1.50 46.
Manual 2100-509E Page 6 of 17 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 2100-509E Page 7 of 17 DUCT WORK All duct work, supply and return must be properly sized for the design air ow requirement of the equipment. Air Conditioning Contractors of America (ACCA) is an excellent guide to proper sizing.
Manual 2100-509E Page 8 of 17 INST ALLA TION INSTRUCTIONS W ALL MOUNTING INFORMA TION 1. These units are secured by wall mounting brackets which secure the unit to the outside wall surface at both sides.
Manual 2100-509E Page 9 of 17 FIGURE 3 MOUNTING INSTRUCTIONS.
Manual 2100-509E Page 10 of 17 FIGURE 5 W ALL MOUNTING INSTRUCTIONS FIGURE 4 W ALL MOUNTING INSTRUCTIONS SEE FIGURE 3 - MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS.
Manual 2100-509E Page 1 1 of 17 FIGURE 6 COMMON W ALL-MOUNTING INST ALLA TIONS.
Manual 2100-509E Page 12 of 17 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 eld wiring used must be sized to carry that amount of current.
Manual 2100-509E Page 13 of 17 ST ART UP THESE UNITS REQUIRE R-410A REFRIGERANT AND POL YOL ESTER OIL. GENERAL: 1. Use separate service equipment to avoid cross contamination of oil and refrigerants. 2. Use recovery equipment rated for R-410A refrigerant.
Manual 2100-509E Page 14 of 17 ST ART UP IMPORT ANT INST ALLER NOTE For improved start up performance, wash the indoor coil with a dishwasher detergent. SERVICE HINTS 1. Caution owner to maintain clean air lters at all times. Also not to needlessly close off supply and return air registers.
Manual 2100-509E Page 15 of 17 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 2100-509E Page 16 of 17 TROUBLESHOOTING F AN BLADE SETTING DIMENSIONS Shown in Figure 7 is the correct fan blade setting dimension for proper air delivery across the outdoor coil.
Manual 2100-509E Page 17 of 17 T ABLE 7 PRESSURE T ABLE COOLING Air T emperature Entering Outdoor Coil °F W12A à T ABLE 8 OPTIONAL FIELD INST ALLED ACCESSORIES Model Return Air T emperature Pressure 75° 80° 85° 90° 95° 100° 105° 100° 1 15° W12A à 75 deg.
An important point after buying a device Bard W12A2-A (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 W12A2-A 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 W12A2-A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard W12A2-A you will learn all the available features of the product, as well as information on its operation. The information that you get Bard W12A2-A will certainly help you make a decision on the purchase.
If you already are a holder of Bard W12A2-A, 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 W12A2-A.
However, one of the most important roles played by the user manual is to help in solving problems with Bard W12A2-A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard W12A2-A 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
