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Bard WA Series Installation Instructions Manual

11eer wall mount air conditioner
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INSTALLATION INSTRUCTIONS
Wall Mount Air Conditioner
W42AF-A
W42AF-B
W42AF-C
W42AFRC
W42AFDA
W42AFDB
W42AFDC
11EER WA Series
Models:
W48AF-A
W48AF-B
W48AF-C
W48AF-Q
W48AFRC
W48AFDA
W48AFDB
W48AFDC
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
W60AF-A
W60AF-B
W60AF-C
W60AF-Q
W60AFRC
W60AFDA
W60AFDB
W60AFDC
Manual:
Supersedes: NEW
Date:
W72AF-A
W72AF-B
W72AF-C
W72AF-Q
W72AFRC
W72AFDA
W72AFDB
W72AFDC
2100-803
11-20-24
Page
1 of 57

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Summary of Contents for Bard WA Series

  • Page 1 INSTALLATION INSTRUCTIONS 11EER WA Series Wall Mount Air Conditioner Models: W42AF-A W48AF-A W60AF-A W72AF-A W42AF-B W48AF-B W60AF-B W72AF-B W42AF-C W48AF-C W60AF-C W72AF-C W42AFRC W48AF-Q W60AF-Q W72AF-Q W48AFRC W60AFRC W72AFRC W42AFDA W48AFDA W60AFDA W72AFDA W42AFDB W48AFDB W60AFDB W72AFDB W42AFDC W48AFDC W60AFDC W72AFDC Bard Manufacturing Company, Inc.
  • Page 2 CONTENTS Safety Instructions ..........4 Start Up ..............33 General Information ..........12 General ............. 33 General ............. 12 Topping Off System Charge ......... 33 Shipping Damage ..........12 Safety Practices ..........33 Additional Publications ........12 Important Installer Note ........33 Air Conditioner Wall Mount Model Nomenclature ...
  • Page 3 FIGURES TABLES Figure 1 Front Control Panel Cover ....14 Table 1 Clearance Required for Service Access Figure 2 Removing Left Filter ......14 and Adequate Condenser Airflow ... 20 Figure 3 Removing Second Filter ....... 15 Table 2 Minimum Clearances Required to Figure 4 Filter Tabs in Up Position .....
  • Page 4 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 Definitions: DANGER: Indicate[s] a hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 5 WARNING CAUTION Electrical shock hazard. Sharp metallic edges. 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 or death. Failure to do so can result in personal injury.
  • Page 6 IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of explosion, fire, 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 IMPORTANT SAFETY INSTRUCTIONS WARNING OPERATION · This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. ·...
  • Page 8 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. Définitions ANSI Z535.5 : DANGER : Indique une situation dangereuse qui, si elle n’est pas évitée, entraînera certainement la mort ou des blessures graves.
  • Page 9 AVERTISSEMENT ATTENTION Risque de choc électrique. Arêtes métalliques vives. 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 des chocs électriques ou la mort.
  • Page 10 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 11 INSTRUCTIONS DE SÉCURITÉ IMPORTANTES AVERTISSEMENT OPÉRATION · Cet appareil n’est pas destiné à être utilisé par des personnes (y compris des enfants) ayant des capacités physiques, sensorielles ou mentales réduites, ou un manque d’expérience et de connaissances, à moins qu’elles n’aient reçu une supervision ou une instruction concernant l’utilisation de l’appareil par une personne responsable de leur sécurité.
  • Page 12 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 13 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 14 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 15 FIGURE 3 2. Locate the filter 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 filter installation. 3.
  • Page 16 Fresh Air Intake 6. Install the right 2" filter first followed by the left filter (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 17 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 18 5/8". It is recommended that a airflow requirement of the equipment. Air Conditioning Bard Return Air Grille Kit is installed that is designed Contractors of America (ACCA) is an excellent guide specifically for the wall mount product. Contact the to proper sizing.
  • Page 19 • 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 20 TABLE 1 TABLE 2 Clearance Required for Service Access and Minimum Clearances Required Adequate Condenser Airflow to Combustible Materials Discharge – Model Left Side Right Side Model Supply Air Duct (1st 3') Cabinet Front W42AF W42AF W48AF W48AF 1/4" 0" 20"...
  • Page 21 FIGURE 13 Unit Dimensions Supply Return Width Depth Height W42AF 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 W48AF W60AF 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 W72AF All dimensions are in inches.
  • Page 22 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 W42AF-W48AF...
  • Page 23 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 24 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 25 FIGURE 18 Common Wall Mounting Installations Non-Ducted Installations Ducted Installations Unit is Unit is Ceiling Ceiling sealed to sealed to wall. wall. Supply Air Duct Adjustable Supply Grille Optional Dropped Ceiling Wall Wall Mount Mount Fixed Blade Unit Unit Fixed Blade Return Grille Return Grille Indoor Area Indoor Area...
  • Page 26 Wiring – Main Power to carry that amount of current. Depending on the installed kW of electric heat, there may be two field power circuits required. If this is the case, the unit WARNING serial plate will so indicate. All models are suitable only for connection with copper wire.
  • Page 27 TABLE 3 wire installation.) If field power is supplied to the left 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 28 back to the selected speed. See pages 47 – 48 for Dirty Filter Switch Indicator (DFS) blower speed selection options. The switch is adjustable and measures pressure drop Refer to page 34 for additional Balanced Climate across the unit filter surface. When pressure drop requirements and limitations.
  • Page 29 Refrigerant Leak Detection System (RDS) will also provide a 24VAC alarm output signal on the "L" terminal of the unit low-voltage terminal strip. The RDS continuously monitors air in the indoor section of the unit for leaked refrigerant. In the event of a Refer to page 39 for more information.
  • Page 30 Programmable Thermostat Connections BrightStat with WA Unit and Economizer, No Electric Heat BrightStat See TABLE: Terminal Function Bard #8403-081 or BO1 - ON/OFF VENT OUTPUT Terminal Functions B02 - Y2 COMP OUTPUT Bard #8403-083 B03 - Y1 COMP OUTPUT B04 - G FAN OUTPUT...
  • Page 31 BrightStat with WA Unit and Modulating CO2 Vent, 9kw Electric Heat BrightStat See TABLE: Terminal Function BO1 - ON/OFF VENT OUTPUT Bard #8403-081 or B02 - Y2 COMP OUTPUT Terminal Functions Bard #8403-083 B03 - Y1 COMP OUTPUT B04 - G FAN OUTPUT...
  • Page 32 Non-Programmable Thermostat Connections 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 G ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed.
  • Page 33 Topping Off System Charge it to burst. If a leak has occurred in the system, Bard Important Installer Note Manufacturing recommends reclaiming, evacuating (see manual 2100-810) and charging to the nameplate For improved start up performance, wash the indoor charge.
  • Page 34 If the unit is being installed with any ventilation package, fan motor will have a delayed start until system a Bard LAC kit must be installed. Failure to utilize an refrigerant operating pressure builds up. After LAC with any air conditioner can cause coil freeze up.
  • Page 35 If of 0.20" ESP (total including both supply and return the low pressure switch remains open for more than statics). Consult Bard Application Engineering for 2 minutes, the CCM will de-energize the compressor details prior to implementation.
  • Page 36 FIGURE 23 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 specific "Ignore Time" setting. 10 seconds is the maximum brownout "Ignore Time".
  • Page 37 The SelecTech motor is communicated through 24 VAC clean or replace with a less restrictive filter. NOTE: Bard Models PA13242; PA13302; PA13362-A, -B; PA13422-A, -B, -C; PA13482-A, -B, -C; PA13602-A, -B, -C low voltage (thermostat control circuit wiring). Also check and clean the blower wheel or coil contain the X13-Series Motors.
  • Page 38 above (Motor not Running #1), and proper low voltage to a programmed terminal, and is not operating, the motor is failed, and will require replacement. FIGURE 25 Motor Connections FIGURE 11 24VAC Common 24VAC "R" Signal through thermostat output. Speed Tap 1: Vent Speed Speed Tap 2: Balanced Climate Speed Speed Tap 3: Default Speed Speed Tap 4: Medium Speed...
  • Page 39 Refrigerant Leak Detection System Why RDS? (RDS) R-454B refrigerant carries an "A2L" safety classification, meaning it is mildly flammable in This unit is equipped with a refrigerant leak detection certain concentrations. The purpose of the RDS is to system (RDS). This system monitors the air in the prevent refrigerant from reaching potentially dangerous indoor section of the unit for refrigerant leaks.
  • Page 40 Failure Mode and the sensor will need to be replaced. • The "L" terminal on the low voltage terminal strip The sensor must be replaced with a Bard-approved is energized. This output may to used to trigger an refrigerant sensor. See unit replacement parts manual external alarm or notify a building management for the correct replacement sensor information.
  • Page 41 FIGURE 29 Refrigerant Leak Detection System (RDS) Troubleshooting Is the Unit in Mitigation Mode? Check RDS Sensor LED LED Light LED Light LED Light LED Light LED Light LED Light is Solid is Solid or is Blinking is Solid or is Blinking is Solid Blinking...
  • Page 42 FIGURE 30 Refrigerant Leak Detection System (RDS) Wiring Diagram NOTE: RELAY OUTPUTS ARE DEPICTED RDS Sensor IN ALARM/NON-POWER STATE BLACK/WHITE YELLOW/RED BLACK/WHITE YELLOW/RED GRAY BLACK/WHITE BLACK/WHITE 9-Pin RDS Plug 4211-101 A NOTE: RELAY OUTPUTS ARE DEPICTED RDS Sensor IN ALARM/NON-POWER STATE BLACK/WHITE YELLOW/RED BLACK/WHITE...
  • Page 43 Fan Blade Setting Dimensions R-454B Refrigerant Charge Shown in Figure 31 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 specific dimension.
  • Page 44 TABLE 10 Cooling Pressure – Standard Airflow Air Temperature Entering Outdoor Coil °F Return Air Temp Model Pressure (DB/WB) Low Side 75/62 High Side Low Side W42AF 80/67 High Side Low Side 85/72 High Side Low Side 75/62 High Side Low Side W48AF 80/67...
  • Page 45 TABLE 11A Electrical Specifications − W42AF, W48AF 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 46 TABLE 11B Electrical Specifications − W60AF, W72AF 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 47 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 51 and 52 for the corresponding b.
  • Page 48 Speed Tap 3 – Default LO Cooling & Heating Programmed blower speed taps are as follows (see also Figure 34): 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 airflow amount will be the default Speed Tap 2: Balanced Climate speed airflow.
  • Page 49 using a piece of cardboard under the filters until 5. Replace the upper front panel and repeat Steps the switch trips and the light comes on. If the 1-3. Continue to make adjustments described in filter is restricted by 75% (or desired restriction Step 4 until the desired restriction is obtained.
  • Page 50 FIGURE 36 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 2100-803 Page 50 of 57...
  • Page 51 GRAPH 1 W42AF Indoor Airflow Performance – Wet Coil GRAPH 2 W48AF Indoor Airflow Performance – Wet Coil Manual 2100-803 Page 51 of 57...
  • Page 52 GRAPH 3 W60AF Indoor Airflow Performance – Wet Coil GRAPH 4 W72AF Indoor Airflow Performance – Wet Coil Manual 2100-803 Page 52 of 57...
  • Page 53 TABLE 14 Maximum ESP of Operation Electric Heat Only Model W42AF/D W48AF/D W60AF/D W72AF/D -A05 -A10 -A15 -B05 -B09 -B15 -C05 -C09 -C15 Values shown are for units equipped with a 2" pleated MERV 13 filter. TABLE 15 Electric Heat Total kW and BTUH @ Field-Supplied Voltage Electric Nominal...
  • Page 54 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 (W72AF Units Only) CMA-43...
  • Page 55 TABLE 17 Optional Accessories EHWA042B-A05 EHWA042A-A10 EHWA042ADA10 EHWA042A-A15 EHWA042A-B05 EHWA042A-B09 EHWA042A-B15 EHWA042ADC05 EHWA042A-C09 EHWA042A-C15 EHWA042A-F07 EHWA042A-F12 EHWA048A-A05 EHWA048A-A10 EHWA048A-A15 EHWA048A-B05 Heater EHWA048A-B09 Kits EHWA048A-B15 EHWA048A-C09 EHWA048A-C15 EHWA048ADA05 EHWA048ADC05 EHWA048A-F07 EHWA048A-F12 EHWA060A-A10 EHWA060A-A15 EHWA060A-B15 EHWA060B-A05 EHWA060A-Q15 EHWA072A-A05 EHWA072A-A10 EHWA072A-A15 EHWA072A-B09 WMCBC-04B WMCBC-05A WMCBC-05B Circuit...
  • Page 56 GRAPH 5 W42AF FAD-NE5 W/O Exhaust Ventilation Delivery GRAPH 6 W48AF FAD-NE5 W/O Exhaust Ventilation Delivery Manual 2100-803 Page 56 of 57...
  • Page 57 GRAPH 7 W60AF FAD-NE5 W/O Exhaust Ventilation Delivery GRAPH 8 W72AF FAD-NE5 W/O Exhaust Ventilation Delivery Manual 2100-803 Page 57 of 57...

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