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Bard WA Series Installation Instructions Manual

Wall mount air conditioner
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INSTALLATION INSTRUCTIONS
Wall Mount Air Conditioner
W42AY-A
W42AY-B
W42AY-C
W42AYRC
W42AYDA
W42AYDB
W42AYDC
11EER WA Series
Models:
W48AY-A
W48AY-B
W48AY-C
W48AYRC
W48AYDA
W48AYDB
W48AYDC
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
W60AY-A
W60AY-B
W60AY-C
W60AYRC
W60AYDA
W60AYDB
W60AYDC
Manual:
Supersedes: 2100-787
Date:
W72AY-A
W72AY-B
W72AY-C
W72AYRC
W72AYDA
W72AYDB
W72AYDC
2100-787A
8-14-23
Page
1 of 50

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  • Page 1 INSTALLATION INSTRUCTIONS 11EER WA Series Wall Mount Air Conditioner Models: W42AY-A W48AY-A W60AY-A W72AY-A W42AY-B W48AY-B W60AY-B W72AY-B W42AY-C W48AY-C W60AY-C W72AY-C W42AYRC W48AYRC W60AYRC W72AYRC W42AYDA W48AYDA W60AYDA W72AYDA W42AYDB W48AYDB W60AYDB W72AYDB W42AYDC W48AYDC W60AYDC W72AYDC Bard Manufacturing Company, Inc.

  • Page 2: Table Of Contents

    CONTENTS Safety Instructions ..........4 Start Up ..............30 General Information ..........10 General ............. 30 General ............. 10 Topping Off System Charge ......... 30 Shipping Damage ..........10 Safety Practices ..........30 Additional Publications ........10 Important Installer Note........30 Air Conditioner Wall Mount Model Nomenclature...
  • Page 3 FIGURES TABLES Figure 1 Front Control Panel Cover ....12 Table 1 Clearance Required for Service Access Figure 2 Removing Left Filter......12 and Adequate Condenser Air ow... 18 Figure 3 Removing Second Filter ....... 13 Table 2 Minimum Clearances Required to Figure 4 Filter Tabs in Up Position.....

  • Page 4: Safety Instructions

    SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USE Your safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and follow all safety messages. ANSI Z535.5 De nitions: DANGER: Indicate[s] a hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 5 WARNING CAUTION Sharp metallic edges. Electrical shock hazard. Have a properly trained individual perform Take care and wear appropriate protective these tasks. devices to avoid accidental contact with sharp edges. Failure to do so could result in electric shock Failure to do so can result in personal injury. or death.

  • Page 6: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of explosion, re, death, electric shock, scalding or injury to persons when using this product, follow basic precautions, including the following: GENERAL · The equipment covered in this manual is to be installed by trained, experienced service and installation technicians.

  • Page 7: Instructions De Sécurité

    INSTRUCTIONS DE SÉCURITÉ LIRE TOUTES LES INSTRUCTIONS AVANT UTILISATION Votre sécurité et celle des autres sont très importantes. Nous avons fourni de nombreux messages de sécurité importants dans ce manuel et sur votre appareil. Lisez et suivez toujours tous les messages de sécurité. Dé...
  • Page 8 AVERTISSEMENT ATTENTION Arêtes métalliques vives. Risque de choc électrique. Ces tâches doivent être réalisées par une Faites attention et portez des dispositifs de personne parfaitement qualifiée et formée. protection appropriés pour éviter tout contact accidentel avec des arêtes vives. Le non-respect de cette consigne peut entraîner Le non-respect de cette consigne peut entraîner des chocs électriques ou la mort.

  • Page 9: Instructions De Sécurité Importantes

    INSTRUCTIONS DE SÉCURITÉ IMPORTANTES AVERTISSEMENT Pour réduire le risque d’explosion, d’incendie, de décès, de choc électrique, d’échaudure ou de blessures pour les personnes lors de l’utilisation de ce produit, suivez les précautions de base, notamment les suivantes : GÉNÉRALITÉS · L’équipement couvert dans ce manuel doit être installé par des techniciens de service et d’installation formés et expérimentés.

  • Page 10: General Information

    GENERAL INFORMATION General Additional Publications The equipment covered in this manual is to be installed These publications can help when installing the air by trained, experienced service and installation conditioner. They can usually be found at the local technicians. library or purchased directly from the publisher. Be sure to consult the current edition of each standard.

  • Page 11: Air Conditioner Wall Mount Model Nomenclature

    Air Conditioner Wall Mount Model Nomenclature – MODEL SERIES CONTROL X – None (Standard) CAPACITY E – Low Ambient Control 42 – 3½ Ton F – Filter Replacement Pressure 48 – 4 Ton Switch, Alarm Relay & Low 60 – 5 Ton Ambient Control 72 –...

  • Page 12: Duct Work

    Removing Left Filter Any grille that meets with 5/8" louver criteria may be used. It is recommended that Bard Return Air Grille Kits RG5 or RFG5 be installed when no return duct is used. Contact distributor or factory for ordering information.

  • Page 13: Switching Filter Sizes

    FIGURE 3 2. Locate the lter support brackets and remove the four (4) screws holding them to the top of the Removing Second Filter control panel (see Figure 6). FIGURE 6 Remove Four Screws 3. Reverse the order for new lter installation. 3.

  • Page 14: Fresh Air Intake

    Fresh Air Intake 6. Install the right 2" lter rst followed by the left lter (see Figures 9 and 10). All units are built with fresh air inlet louvers punched NOTE: When installing new filters, make sure that in the side grilles. airflow arrows on filters point up.

  • Page 15: Installation

    Make sure that the service Bard recommends at least 2' between solid objects panels of the unit are accessible. Inspect wall surfaces and return grilles or registers. Ductwork may be used to...

  • Page 16: Ducted Applications

    5/8". It is recommended that a air ow requirement of the equipment. Air Conditioning Bard Return Air Grille Kit is installed that is designed Contractors of America (ACCA) is an excellent guide speci cally for the wall mount product. Contact the to proper sizing.

  • Page 17: Wall Preparation

    • Appropriate safety gear including gloves and safety wall if it is to be used (optional). Bracket must be glasses level and installed in the correct location to help support the unit during the installation process • 5/16" hex bit with drill driver (see Figure 14).

  • Page 18: Figure 12 Vent Installation/Removal Clearance Required

    TABLE 1 TABLE 2 Clearance Required for Service Access and Minimum Clearances Required Adequate Condenser Air ow to Combustible Materials Discharge – Model Supply Air Duct (1st 3') Cabinet Model Left Side Right Side Front W42AY W42AY W48AY W48AY 1/4" 0"...

  • Page 19: Figure 13 Unit Dimensions

    FIGURE 13 Unit Dimensions Supply Return Width Depth Height W42AY 42.00 25.52 84.75 9.88 29.88 15.88 29.88 43.88 12.63 39.06 30.06 43.25 26.94 55.59 52.59 8.82 43.00 1.44 16.00 1.88 10.50 12.00 W48AY W60AY 42.00 25.52 92.88 9.88 29.88 15.88 29.88 43.88 12.63 45.00 30.06 49.25 35.06 61.72 58.72 8.82 43.00 1.44 16.00 10.00 13.88 15.43 W72AY All dimensions are in inches.

  • Page 20: Figure 14 Mounting Instructions

    FIGURE 14 Mounting Instructions SEAL WITH BEAD UNITS REQUIRED DIMESIONS OF CAULKING ALONG REQUIRED DIMESIONS TO ENTIRE LENGTH OF MAINTAIN 1/4" MIN. CLEARANCE 30 1/2 10 1/2 6 1/4 1 1/4 29 3/4 16 1 7/8 TOP. FROM COMBUSTIBLE MATERIALS W42AC-W48AC RAIN FLASHING W42AY-W48AY...

  • Page 21: Figure 15 Electric Heat Clearance

    FIGURE 15 Electric Heat Clearance Typical Building Wall Frame Outside Sheeting Inside Sheeting Supply Air Unit Duct 1/4" Min. Supply Air Duct See Note Below Flange of Wall Note: Side section view of supply air duct for wall mounted unit showing 1/4"...

  • Page 22: Figure 16 Wall Mounting Instructions

    FIGURE 16 Wall Mounting Instructions See Figure 14 Mounting Instructions FACTORY SUPPLIED RAIN FLASHING. WALL STRUCTURE MOUNT ON UNIT BEFORE INSTALLATION SUPPLY AIR OPENING RETURN AIR OPENING WOOD OR STEEL SIDING BOTTOM MOUNTING BRACKET. MOUNT ON WALL BEFORE INSTALLING UNIT. CONCRETE BLOCK WALL INSTALLATION WOOD FRAME WALL INSTALLATION SIDE VIEW...

  • Page 23: Figure 18 Common Wall Mounting Installations

    FIGURE 18 Common Wall Mounting Installations SUPPLY DUCT MAY BE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN RAIN RAIN FLASHING RAFTERS FLASHING RAFTERS FINISHED CEILING SURFACE SUPPLY AIR DUCT SUPPLY AIR DUCT OPENING WITH GRILLE FINISHED CEILING SURFACE RETURN AIR RETURN AIR OPENING WITH...

  • Page 24: Wiring - Main Power

    Wiring – Main Power eld wiring used must be sized to carry that amount of current. Depending on the installed KW of electric heat, there may be two eld power circuits required. If WARNING this is the case, the unit serial plate will so indicate. All models are suitable only for connection with copper wire.

  • Page 25: Wiring - Low Voltage

    wire installation.) If eld power is supplied to the left TABLE 3 side of the unit, run the high voltage wires under the Additional Low Voltage Connections (if applicable) shield and to the right of the wire shield next to the compressor contactor and up into the upper control Terminal Unit...

  • Page 26: Dehumidi Cation Feature

    back to the selected speed. See pages 40 – 41 for Dirty Filter Switch Indicator (DFS) blower speed selection options. The switch is adjustable and measures pressure drop Refer to page 31 for additional Balanced Climate across the unit lter surface. When pressure drop requirements and limitations.

  • Page 27: Table 5 Wall Thermostats

    TABLE 5 Wall Thermostats Part Number Predominate Features 8403-060 3 stage Cool; 3 stage Heat; Electronic Programmable/Non-Programmable; HP or Conventional; Auto or Manual (1120-445) changeover; Dehumidi cation Output 8403-089 1 stage Cool, 1 stage Heat – Heat Pump; 1 stage Cool, 1 stage Heat – Conventional; Programmable/Non- (T4 Pro) Programmable Electronic;...

  • Page 28: Figure 20 Programmable Thermostat Connections

    FIGURE 20 Programmable Thermostat Connections Completestat Model #CS9B-THOA or Model #CS9BE-THOA W1/E Thermostat YO/D W1/E Bard #8403-060 Optional CO2 Controller Bard Part #8403-096 24VAC CO2 OUT TEMP-OUT Unit Low B/W1 Voltage Term. Strip 12-Pin Vent Plug MIS-3974 ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed.

  • Page 29: Figure 21 Non-Programmable Thermostat Connections

    Mechanical Humidistat T4 Pro 8403-089 8403-047 T6 Pro 8403-090 ELECTRONIC HUMIDISTAT 8403-092 U/DEH U/DEH 8403-100 ELECTRONIC HUMIDISTAT Optional CO2 Controller Bard Part #8403-096 24VAC CO2 OUT TEMP-OUT Unit Low B/W1 Voltage Term. Strip 12-Pin Vent Plug MIS-3975 F ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed.

  • Page 30: Start Up

    All W**AY wall-mounted air conditioner series models Topping Off System Charge are supplied with a remote reset for the high pressure If a leak has occurred in the system, Bard switch. If tripped, the pressure switch may be reset by Manufacturing recommends reclaiming, evacuating turning the thermostat off then back on again.

  • Page 31: Phase Monitor

    If the unit is being installed with any ventilation package, refrigerant operating pressure builds up. After a Bard LAC kit must be installed. Failure to utilize an starting, the fan motor may or may not cycle LAC with any air conditioner can cause coil freeze up.

  • Page 32: Vent Connection Plug

    Consult Bard Application Engineering for 2 minutes, the CCM will de-energize the compressor details prior to implementation. for the delay-on-break time. If the switch closes again, it will then restart the compressor. If the switch trips CAUTION: Balanced Climate is not a replacement for again during the same Y call, the compressor will be a dehumidification (hot gas reheat) unit for extreme...

  • Page 33: Pressure Service Ports

    FIGURE 22 Compressor Control Module High Pressure Switch Compressor Contactor Output 18-30 VAC Input Alarm Output Y Input from Thermostat Common and High Pressure Switch Troubleshooting Light Delay-on-Break Time Adjustment Potentiometer Low Pressure Switch Brownout "Ignore Time" DIP Switches* * Turn on only one switch for that speci c "Ignore Time" setting. 10 seconds is the maximum brownout "Ignore Time".

  • Page 34: Service

    If the Motor Is Running higher than allowed, additional duct work is NOTE: Bard Models PA13242; PA13302; PA13362-A, -B; PA13422-A, -B, -C; PA13482-A, -B, -C; PA13602-A, -B, -C needed. 1. It is normal for the motor to rock back and forth contain the X13-Series Motors.

  • Page 35: Model Selectech Communication Diagnostics

    TROUBLESHOOTING GE X13-SERIES ECM2.3 ™ MOTORS CONT’D. 2. Initiate a demand from the thermostat and check the Model X13 Communication Diagnostics 2. If the motor has proper high voltage and ground at A. If the low voltage communication is not voltage between the common and the appropriate motor The X13 motor is communicated through 24 VAC low voltage the L/L1, G, N/L2 connections, then continue with...

  • Page 36: Fan Blade Setting Dimensions

    Fan Blade Setting Dimensions R-410A Refrigerant Charge Shown in Figure 25 is the correct fan blade setting This unit was charged at the factory with the quantity of for proper air delivery across the outdoor coil. Refer to refrigerant listed on the serial plate. AHRI capacity and Table 9 for unit speci c dimension.

  • Page 37: Table 10 Cooling Pressure - Standard Air Ow

    TABLE 10 Cooling Pressure – Standard Air ow Air Temperature Entering Outdoor Coil °F Return Air Temp Model Pressure (DB/WB) Low Side 75/62 High Side Low Side W42AY 80/67 High Side Low Side 85/72 High Side Low Side 75/62 High Side Low Side W48AY 80/67...

  • Page 38: Table 11A Electrical Specs W42Ay, W48Ay

    TABLE 11A Electrical Speci cations − W42AY, W48AY Series Single Circuit Multiple Circuit   No. Field Rated Volts Minimum Maximum   Model Power & Phase Circuit External Fuse or Minimum Maximum Circuits Ampacity Ckt. Breaker Circuit External Fuse or Ampacity Circuit Breaker Ckt.

  • Page 39: Table 11B Electrical Specs W60Ay, W72Ay

    TABLE 11B Electrical Speci cations − W60AY, W72AY Series Single Circuit Multiple Circuit   No. Field Rated Volts Minimum Maximum  Model Power  & Phase Circuit External Fuse or Maximum Circuits Minimum Circuit Ampacity Ckt. Breaker External Fuse or Ampacity Circuit Breaker Ckt.

  • Page 40: Setting Unit Air Ow

    MED or HI. Refer to output terminal and wire(s) from the terminal strip or is programmed by Bard at the factory to different motor control relay(s) to the motor. the graphs on pages 44 and 45 for the corresponding b.

  • Page 41: Speed Tap 1 - Vent/Blower Only

    Programmed blower speed taps are as follows (see also Speed Tap 3 – Default LO Cooling & Heating Figure 28): Speed tap 3 is programmed for rated speed in the Speed Tap 1: Vent/blower only speed SelecTech motor. This means that if speed tap 3 is energized, the air ow amount will be the default Speed Tap 2: Balanced Climate speed air ow.

  • Page 42: Figure 29 Dirty Filter Switch And Dirty Filter Indicator Light/Reset Switch

    Switch), begin restricting the air lter of the unit 5. Replace the upper front panel and repeat Steps 1-3. Continue to make adjustments described in using a piece of cardboard under the lters until Step 4 until the desired restriction is obtained. the switch trips and the light comes on.

  • Page 43: Figure 30 Adjusting Filter Switch

    FIGURE 30 Adjusting Dirty Filter Switch TURN CLOCKWISE TO INCREASE RESTRICTION AMOUNT REQUIRED TO ACTIVATE THE SWITCH AND COUNTER-CLOCKWISE TO DECREASE RESTRICTION AMOUNT MIS-4086 B Manual 2100-787A Page 43 of 50...

  • Page 44: Graph 1 W42Ay Indoor Air Ow Performance - Wet Coil

    GRAPH 1 W42AY Indoor Air ow Performance – Wet Coil W42AY Indoor Airflow Performance - Wet Coil 1800 1700 1600 1500 1400 Rated point Max Speed Tap (HI) 1300 Hi Speed 1200 Tap (MED) 1100 Default Rated 1000 Speed Tap (LO) Balanced Climate Speed 0.05...

  • Page 45: Graph 3 W60Ay Indoor Air Ow Performance - Wet Coil

    GRAPH 3 W60AY Indoor Air ow Performance – Wet Coil W60AY Indoor Airflow Performance - Wet Coil 2100 2000 1900 1800 Max Speed Rated point Tap (HI) Hi Speed 1700 Tap (MED) 1600 Default Rated Speed Tap (LO) 1500 1400 1300 1200 Balanced...

  • Page 46: Table 14 Maximum Esp Electric Heat Only

    TABLE 14 Maximum ESP of Operation Electric Heat Only Model W42AY/D W48AY/D W60AY/D W72AY/D -A05 -A10 -A15 -B05 -B09 -B15 -C05 -C09 -C15 Values shown are for units equipped with a 2" pleated MERV 13 lter. TABLE 15 Electric Heat Total KW and BTUH @ Field-Supplied Voltage Electric Heat Nominal...

  • Page 47: Table 16 Vent And Control Options

    TABLE 16 Vent and Control Options Part Number Description CMC-32 Start Kit (230V 1-Phase) CMC-33 Dirty Filter Switch Kit CMC-35 Alarm Relay CMC-38 Crankcase Heater (230V 1-Phase) CMC-39 Crankcase Heater (460V 3-Phase) CMC-41 Crankcase Heater (230V 3-Phase) CMA-39 LAC - On/Off CMA-41 LAC - On/Off (W72AY Units Only) CMA-43...

  • Page 48: Table 17 Optional Accessories

    TABLE 17 Optional Accessories EHWA042A-A05 EHWA042A-A10 EHWA042A-A15 EHWA042A-B05 EHWA042A-B09 EHWA042A-B15 EHWA042A-C09 EHWA042A-C15 EHWA042ADA10 EHWA042ADC05 EHWA048A-A05 EHWA048A-A10 EHWA048A-A15 EHWA048A-B05 Heater Kits EHWA048A-B09 EHWA048A-B15 EHWA048A-C09 EHWA048A-C15 EHWA048ADA05 EHWA048ADC05 EHWA060A-A05 EHWA060A-A10 EHWA060A-A15 EHWA060A-B15 EHWA072A-A05 EHWA072A-A10 EHWA072A-A15 EHWA072A-B09 WMCBC-04B WMCBC-05B WMCBC-06A Circuit WMCBC-06C Breaker WMCBC-07A (WMCBC) WMCBC-07B...

  • Page 49: Ventilation Delivery

    GRAPH 5 W42AY FAD-NE5 W/O Exhaust Ventilation Delivery GRAPH 6 W48AY FAD-NE5 W/O Exhaust Ventilation Delivery Manual 2100-787A Page 49 of 50...

  • Page 50: Ventilation Delivery

    GRAPH 7 W60AY FAD-NE5 W/O Exhaust Ventilation Delivery GRAPH 8 W72AY FAD-NE5 W/O Exhaust Ventilation Delivery Manual 2100-787A Page 50 of 50...

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