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Bard W12A2-A manual

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Table of contents for the manual

  • Page 1

    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....Moving ahead just as planned.[...]

  • Page 2

    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 ...................................................................... 6 Duct Work .............[...]

  • Page 3

    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. National Electrical Code ....................... A[...]

  • Page 4

    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 15.0 12,760 13.0 9,705 05 20.8 17,540 18.1 13,275 j With blower watts included MODEL NUMBER REVI[...]

  • Page 5

    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 46.00 19.88 10.00 18.25 23.75 10.00 19.72 Heater and Filter Acc e ss Opening Supply Air Opening Return Air Opening Return Air Opening Back Vi ew Fron t View Ri gh t Si de Vi ew Supply Air Back Vi ew[...]

  • Page 6

    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. GENERAL The equipment covered in this manual is to b[...]

  • Page 7

    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. All duct work or portions thereof not in the conditioned space should be properly insulated in order to both con[...]

  • Page 8

    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. 2. On wood frame walls, the wall construction must be strong and rigid enough to carry the weight of the unit without transmitting any unit vibrat[...]

  • Page 9

    Manual 2100-509E Page 9 of 17 FIGURE 3 MOUNTING INSTRUCTIONS[...]

  • Page 10

    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[...]

  • Page 11

    Manual 2100-509E Page 1 1 of 17 FIGURE 6 COMMON W ALL-MOUNTING INST ALLA TIONS[...]

  • Page 12

    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. Depending on the installed [...]

  • Page 13

    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. 3. Use manifold gauges rated for R-410A (800 psi/250 psi low). 4. R-410A is a binary blend of [...]

  • Page 14

    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. This reduces airow through the system which shortens[...]

  • Page 15

    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: 0.5 minute (30 seconds) DOB = 123 seco[...]

  • Page 16

    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. Any service work requiring removal or adjustment in the fan and/or motor area will require that the dimension below be checked and blade adjusted in or out on the [...]

  • Page 17

    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. DB 62 deg. WB Low Side High Side 120 291 124 310 129 332 133 355 136 379 138 405 14[...]