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Bard w17a2 manual

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Table of contents for the manual

  • Page 1

    Manual 2100-581B Page 1 of 26 INST ALLA TION INSTRUCTIONS W ALL MOUNTED P ACKAGE AIR CONDITIONERS MODELS W17A2 W17L2 W18A2 W18L2 W24A2 W24L2 W30A2 W30L2 W36A2 W36L2 W42A2 W42L2 W48A2 W48L2 W60A2 W60L2 W70A2 W70L2 Manual : 2100-581B Supersedes: 2100-581A File: V olume III T ab 16 Date: 1 1-25-13 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Si[...]

  • Page 2

    Manual 2100-581B Page 2 of 26 Contents Figures Figure 1 Fresh Air Damper Assembly ..................... 5 Figure 2 Unit Dimensions ....................................... 7 Fi g u r e 3 A Mounting Instructions ............................... 8 Figure 3B Mounting Instructions - W17 – 36 ................ 9 Figure 3C Mounting Instructions - W42, 48,[...]

  • Page 3

    Manual 2100-581B Page 3 of 26 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 2100-581B Page 4 of 26 W ALL MOUNT GENERAL INFORMA TION AIR CONDITIONER W ALL MOUNT MODEL NOMENCLA TURE W 42 A 2 – A 10 X X X X X A NOTE: Vent options X, B and M are without exhaust capability . May require separate eld supplied barometric relief in building. SHIPPING DAMAGE Upon receipt of equipment, the carton should be checked for ex[...]

  • Page 5

    Manual 2100-581B Page 5 of 26 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 6

    Manual 2100-581B Page 6 of 26 Clearances Required for Service Access and Adequate Condenser Airow MODELS LEFT SIDE RIGHT SIDE DISCHARGE SIDE W17A, W18A, W24A, W30A, W36A 15" 20" 10' W17L, W18L, W24L, W30L, W36L 20" 15" 10' W42A, W48A, W60A, W70A 20" 20" 10' W42L, W48L, W60L, W70L 20" 20" 10&[...]

  • Page 7

    Manual 2100-581B Page 7 of 26 Dimensions of Basic Unit for Architectural and Installation Requirements (Nominal) MODEL WIDTH (W) DEPTH (D) HEIGHT (H) SUPPL Y RETURN A B C B E F G I J K L M N O P Q R S T W17A, L W18A, L W24A, L 33.300 17.125 70.563 7.88 19.88 1 1.88 19.88 35.00 1 1.00 25.75 20.56 26.75 28.06 29.25 27.00 2.63 34.13 22.06 10.55 4.19 1[...]

  • Page 8

    Manual 2100-581B Page 8 of 26 FIGURE 3A W17A2, W17L2, W18A2, W18L2, W24A2, W24L2 MOUNTING INSTRUCTIONS 12" 12" 12" 12" 12" 20" 20" 1" 3" 4" Typ. 8" 20 1 2 " 12" 1" 3 1 8 " 4" Typ. 5" 7 8 " 3 13 16 " 2" 2" 7 1 16 " 1 16 " 7 CONTRO LS AN[...]

  • Page 9

    Manual 2100-581B Page 9 of 26 FIGURE 3B W30A2, W30L2, W36A2, W36L2 MOUNTING INSTRUCTIONS 28" A C D C 12" 12" 12" 12" 12" 5 1 16 " B E 14" 4 11 16 " 4 11 16 " 4" Ty p. 2 7 8 " 7 8 " 7 8 " 4" Ty p. 7 8 " 3 1 8 " W* R UN IT SH OWN, W* L UN IT MIS-3158 EN TI RE L EN GT[...]

  • Page 10

    Manual 2100-581B Page 10 of 26 FIGURE 3C W42A2, W42L2, W48A2, W48L2, W60A2, W60L2, W70A2, W70L2 MOUNTING INSTRUCTIONS D 16" 16" 16" 16" 16" 1 7 8 " 6 1 2 " 6 1 2 " 2 1 8 " 7 8 " 1" 3" 4" Typ. 4" Typ. 6 1 2 " 30" E 16" A C C 3 1 8 " B Wall Opening and Hole Loca[...]

  • Page 11

    Manual 2100-581B Page 1 1 of 26 FIGURE 4 ELECTRIC HEA T CLEARANCE W30A2, W30L2, W36A2, W36L2, W42A2, W42L2, W48A2, W48L2, W60A2, W60L2, W70A2, W70L2 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 rst 3 feet of ducting. It is important to insure that the [...]

  • Page 12

    Manual 2100-581B Page 12 of 26 FIGURE 5 W ALL MOUNTING INSTRUCTIONS FIGURE 6 W ALL MOUNTING INSTRUCTIONS DUCT O PE NI NG RET URN AIR SU PP L Y AIR W OO D FRAM E W A LL I NST A LL A TI ON O PE NI NG WA LL BE FO RE MO UN T ON UN IT O PE NI NG BE FOR E I NSTA LL ATION BO TT OM MO UN TI NG CONCRET E BLO CK WA LL I NS TA LL ATI ON BRAC KE T. MO UN T ON [...]

  • Page 13

    Manual 2100-581B Page 13 of 26 FIGURE 7 COMMON W ALL MOUNTING INST ALLA TIONS LOWER ED R AISE D FLOOR RA FT E RS SU PP L Y AIR C EI LING S UR FA CE WA LL S L EEVE RET URN AIR CLO SE T WA LL GRI LLE FL AS HI NG RET URN AIR FL AS HI NG SU PP LY DUC T M AYBE LOCATED I N A N A TT IC OR BE LOW C EI LING RA FT ER S AS S HO WN SU PP LY DUC T M AY BE LOCAT[...]

  • Page 14

    Manual 2100-581B Page 14 of 26 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 15

    Manual 2100-581B Page 15 of 26 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 16

    Manual 2100-581B Page 16 of 26 ST ART UP (Continued) IMPORT ANT INST ALLER NOTE For improved start up performance wash the indoor coil with a dish washing detergent. HIGH PRESSURE SWITCH All W**A/W**L wall mounted air conditioner series models are supplied with a remote reset for the high and low pressure switch. If tripped, this pressure switch ma[...]

  • Page 17

    Manual 2100-581B Page 17 of 26 SEQUENCE OF OPERA TION COOLING – Circuit R-Y makes at thermostat pulling in compressor contactor , starting the compressor and outdoor motor . (See NOTE under Condenser Fan Operation if equipped with Low Ambient Control.) The G (indoor motor) circuit is automatically completed by the thermostat on any call for cooli[...]

  • Page 18

    Manual 2100-581B Page 18 of 26 TROUBLESHOOTING FIGURE 8 F AN BLADE SETTING T ABLE 1 F AN BLADE DIMENSION R-410A REFRIGERANT CHARGE This unit was charged at the factory with the quantity of refrigerant listed on the serial plate. AHRI capacity and efciency ratings were determined by testing with this refrigerant charge quantity . The following pr[...]

  • Page 19

    Manual 2100-581B Page 19 of 26 T ABLE 2 COOLING PRESSURE T ABLE Air T emperature Entering Outdoor Coil °F Low side pressure ± 4 PSIG High side pressure ± 10 PSIG T ables are based upon rated CFM (airow) across the evaporator coil. If there is any doubt as to correct operating charge being in the system, the charge should be removed, system ev[...]

  • Page 20

    Manual 2100-581B Page 20 of 26 T ABLE 3 j Maximum size of the time delay fuse or HACR type circuit breaker for protection of eld wiring conductors.  Based on 75C copper wire. All wiring must conform to the National Electrical Code and all local codes.  These “Minimum Circuit Ampacity” values are to be used for sizing the eld power c[...]

  • Page 21

    Manual 2100-581B Page 21 of 26 T ABLE 4 j Maximum size of the time delay fuse or HACR type circuit breaker for protection of eld wiring conductors.  Based on 75C copper wire. All wiring must conform to the National Electrical Code and all local codes.  These “Minimum Circuit Ampacity” values are to be used for sizing the eld power c[...]

  • Page 22

    Manual 2100-581B Page 22 of 26 T ABLE 5 RECOMMENDED AIRFLOW T ABLE 6 INDOOR BLOWER PERFORMANCE T ABLE 7 MAXIMUM ESP OF OPERA TION ELECTRIC HEA T ONL Y V alues shown are for units equipped with standard 1-inch throwaway lter or 1-inch washable lter . Derate ESP by .15 for 2-inch pleated lters. Model Nominal Rated CFM * Nominal Rated ESP * R[...]

  • Page 23

    Manual 2100-581B Page 23 of 26 T ABLE 8 ELECTRIC HEA T Models 240V -1 208V-1 240V -3 208V -3 460V-3 KW Amps BTUH Amps BTUH Amps BTUH Amps BTUH Amps BTUH 4 16.7 13650 14.4 10240 5 20.8 17065 18.1 12800 6 14.4 20500 12.5 15360 7.2 20500 8 33.3 27300 28.8 20475 9 21.7 30600 18.7 23030 10.8 30700 10 41.6 34130 36.2 25600 12 14.4 40950 15 62.5 51250 54.[...]

  • Page 24

    Manual 2100-581A Page 24 of 26 W17/18A2-A W24 A2 -A W24 A2 -B W24 A2 -C W30 A2 -A W30 A2 -B W30 A2 -C W36 A2 -A W36 A2 -B W36 A2 -C W42 A2 -A W42 A2 -B W42 A2 -C W48 A2 -A W48 A2 -B W48 A2 -C W60 A2 -A W60 A2 -B W60 A2 -C W70 A2 -A W70 A2 -B W70 A2 -C T ABLE 9A OPTIONAL ACCESSORIES — RIGHT HAND EHW A02-A05 X X EHW02A-A08 X X EHW A02A-A10 X X EHW [...]

  • Page 25

    Manual 2100-581B Page 25 of 26 T ABLE 9B OPTIONAL ACCESSORIES — LEFT HAND W17/18L2-A W24 L2 -A W24 L2 -B W30 L2 -A W30 L2 -B W30 L2 -C W36 L2 -A W36 L2 -B W36 L2 -C W42 L2 -A W42 L2 -B W42 L2 -C W48 L2 -A W48 L2 -B W48 L2 -C W60 L2 -A W60 L2 -B W60 L2 -C W70 L2 -A W70 L2 -B W70 L2 -C EHW A02A-A05L X X EHW02A-A08L X X EHW A02-A10L X X EHW A24-B06L[...]

  • Page 26

    Manual 2100-581B Page 26 of 26 T ABLE 10 VENT & CONTROL OPTIONS W17, W18, W24 W30, W36 W42, W48, W60, W70 Part Number Description CMC-14 ODT X X X CMC-15 Start Kit (230V 1-Phase) X X X CMC-23 DDC X X CMC-24 DDC X CMC-28 LAC X X X BF AD-2 Barometric Fresh Air Damper - Standard X BOP-2 Blank Off Plate X MF AD-2 Motorized Fresh Air Damper X CRV -2[...]