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Bard WA Series User Manual Download Page 25

 

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1 of 42

11EER Step Capacity 2 Stage 

Wall Mount Air Conditioner

Models:

INSTALLATION INSTRUCTIONS

W3SAC-A
W3SAC-B
W3SAC-C

W4SAC-A
W4SAC-B
W4SAC-C

Bard Manufacturing Company, Inc. 
Bryan, Ohio 43506
www.bardhvac.com

Manual:        2100-720C
Supersedes: 2100-720B 
Date: 7-15-20

W5SAC-A
W5SAC-B
W5SAC-C

W3SACDA
W3SACDB
W3SACDC

W4SACDA
W4SACDB
W4SACDC

W5SACDA
W5SACDB
W5SACDC

Summary of Contents for WA Series

Page 1: ...erature Assembly 911 0809 Contains the following 2100 034 F User s Guide 2100 479 Leak Test Evacuation Charging 2100 720 C Wall Mount PKG A C Manual 2110 1461 B Replacement Parts Manual 7960 420 Warra...

Page 2: ......

Page 3: ...eries Air Conditioners PH Series Air Source Heat Pumps QA Series Air Conditioners QH Series Air Source Heat Pumps QW Series Water Source Heat Pumps WA WL Series Air Conditioners WH SH Series Air Sourc...

Page 4: ...s Page 4 5 Heat Pump Air to Air Page 5 6 Heat Pump Water to Air Page 6 Ventilation Page 7 Dehumidification Circuits Page 7 Automatic Control Systems Thermostats Page 7 Humidistats Humidity Controllers...

Page 5: ...pending upon application and use of the equipment and it is critical to monitor filter condition and establish an acceptable maintenance schedule Failure to do so will increase operating and repair co...

Page 6: ...ctually entering into the equipment enclosure which should only be done by qualified service technicians See section on Air to Air Heat Pumps for additional information concerning blockage due to heav...

Page 7: ...e equipped with some amount of electric heat to supplement the heating capacity of the compressor system on an as needed basis This operation is entirely automatic and is controlled by the indoor ther...

Page 8: ...ats and cools using a compressor for both modes of operation The primary difference is that the system uses water or antifreeze protected water solution instead of an air cooled outdoor heat transfer...

Page 9: ...ntenance requirements you should be aware of as the user AUTOMATIC CONTROL SYSTEMS THERMOSTATS There are many types of thermostats available to properly control your system and these can vary in featu...

Page 10: ...ace and that all supply registers and return air grilles are not blocked 5 Make sure that the outdoor coil is not blocked with any foreign matter or otherwise restricted with any growth or other items...

Page 11: ...lengthy period it is best to adjust the thermostat to a reasonable higher or lower depending upon the season setting rather than turning it completely off Upon return the inside conditions will not be...

Page 12: ......

Page 13: ...1 of 11 Manual No 2100 479 Supersedes NEW File Volume I Tab 1 Date 03 08 07 SERVICING PROCEDURE R 410A LEAK TEST EVACUATION CHARGING Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving a...

Page 14: ...tioning Heat Pump Cooling 9 Low Suction Low Head Pressure 9 High Suction Low Head Pressure 9 Low Suction High Head Pressure 9 High Suction High Head Pressure 9 Heat Pump Heating 9 Low Suction Low Head...

Page 15: ...tion of the system The valving on the manifold is so arranged that when the valves are closed front seated the center port on the manifold is closed to the gauges and gauge ports With the valves in th...

Page 16: ...Relieve all pressure from the system down to 0 psig 5 Change the dryer When leaks if any have been repaired system is ready to be evacuated and charged Relieve all pressure from the system down to 0 p...

Page 17: ...serial plate for the full operating charge PRELIMINARY CHARGING STEPS If the system has been open to the atmosphere the dryer should be replaced and then evacuated Then proceed as follows 1 Attach a d...

Page 18: ...Manual 2100 479 Page 6 of 11 FIGURE 1 TYPICAL AIR CONDITIONING SYSTEM COOLING CYCLE MIS 369...

Page 19: ...Manual 2100 479 Page 7 of 11 FIGURE 2 TYPICAL HEAT PUMP SYSTEM COOLING CYCLE MIS 368...

Page 20: ...ed refrigerant flow it may be necessary to place refrigerant drum in a pan of warm water not greater than 130 F Remember to either consider the total weight of the pan of water or remove the drum for...

Page 21: ...ing device etc 6 Low charge 7 Low ambient entering air temperature Low entering water temperature to water coil HIGH SUCTION LOW HEAD PRESSURE 1 Defective or broken valves 2 IPRV valve open 3 Defectiv...

Page 22: ...r o s s e r p m o c m e t s y s e b u t p a c e r u t a r e p m e t e c a p S h g i h o o t Power Failure Blown Fuses or Tripped Circuit Breakers Faulty Wiring Loose Terminals Low Voltage Single 1PH...

Page 23: ...l n o p u d l i u b e c I l i o c D O f o g n i d o o l f t n a r e g i r f e r d i u q i L r o s s e r p m o c o t k c a b D I n o t a e h y r a i l i x u A f f o r e w o l b s t s o c g n i t a r e...

Page 24: ......

Page 25: ...LLATION INSTRUCTIONS W3SAC A W3SAC B W3SAC C W4SAC A W4SAC B W4SAC C Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 720C Supersedes 2100 720B Date 7 15 20 W5SAC A W5SAC B...

Page 26: ...n Make Timer 24 Short Cycle Delay on Break 24 Low Pressure Detection 24 High Pressure Detection 25 Test Mode 25 Brownout Protection with Adjustment 25 Pressure Service Ports 26 Sequence of Operation 2...

Page 27: ...rammable Thermostat Connections 21 Figure 21 Non Programmable Thermostat Connections 22 Figure 22 8201 169 Compressor Control Module 25 Figure 23 Motor Connections 28 Figure 24 Motor Connections 29 Fi...

Page 28: ...should be carefully read before beginning the installation Note particularly Starting Procedure and any tags and or labels attached to the equipment While these instructions are intended as a general...

Page 29: ...on page 10 and Figures 14 18 pages 13 16 for further details Ducts through the walls must be insulated and all joints taped or sealed to prevent air or moisture entering the wall cavity Some installat...

Page 30: ...tray see Figure 7 FIGURE 6 Remove Four Screws 5 Re install the four 4 screws into the upper screw holes on the filter support brackets Then bend the tab up out of the way see Figure 8 FIGURE 7 Re Inst...

Page 31: ...he damper opens so that the amount of fresh air that enters the structure is regulated Graphs found on pages 41 and 42 gives approximate fresh air amounts based on the slide adjustment setting All cap...

Page 32: ...condensate drainage A plastic drain hose extends from the drain pan in the upper section of the unit and extends down to the unit base An opening is supplied towards the back of the unit base for the...

Page 33: ...cable installation codes may limit this cabinet to installation only in a single story structure Thermostat or Indoor Temperature Sensor Placement The location and installation of the thermostat or te...

Page 34: ...s and bottom mounting bracket location Install bottom mounting bracket with field supplied fasteners to wall if it is to be used optional Bracket must be level and installed in the correct location to...

Page 35: ...GURE 12 Vent Installation Removal Clearance Required 20 3 4 2 37 1 4 17 3 4 45 MIS 4042 KEEP AREA CLEAR FOR 45 IN FRONT OF SIDE PANEL OBJECT OR WALL IN THIS SECTION OR ANY OTHER OBSTRUCTION OF UNIT OR...

Page 36: ...trol Panel Door Optional Electrical Entrance Drain W G F 4 Pitch Rain Hood Electrical Panel High Voltage Built In Entrance Heater Access Electric Heat Low Voltage Electrical Entrance 1 375 A K H D C I...

Page 37: ...NTAIN RECOMMENDED 1 CLEARANCE FROM COMBUSTIBLE MATERIALS 32 12 5 1 2 2 29 16 1 7 8 W5SAC REQUIRED DIMESIONS TO MAINTAIN 1 4 MIN CLEARANCE FROM COMBUSTIBLE MATERIALS 30 1 2 10 1 2 6 1 4 1 1 4 29 3 4 16...

Page 38: ...W OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1 4 CLEARANCE TO COMBUSTIBLE SURFACES Fire hazard Maintain minimum 1 4 clearance between the supply air duct and combustible materials in the first 3...

Page 39: ...ACH TO BOTTOM PLATE OF WALL 1 000 CLEARANCE ALL AROUND DUCT ATTACH TO TOP PLATE OF WALL THIS STRUCTURAL MEMBER LOCATED TO MATCH STUD SPACING FOR REST OF WALL A SECOND MEMBER MAY BE REQUIRED FOR SOME W...

Page 40: ...VE RAFTERS GRILLE FLASHING OR BELOW CEILING RAFTERS AS SHOWN OR BELOW CEILING RAFTERS AS SHOWN FLASHING OUTSIDE SURFACE RAIN FLASHING SLEEVE FINISHED SUPPLY DUCT MAYBE LOCATED IN AN ATTIC GRILLE OUTSI...

Page 41: ...FIELD WIRES COME IN THROUGH THE BACK RIGHT SIDE VIEW WIRE SHIELD FIELD HIGH OR LOW VOLTAGE WIRE SHIELD FRONT VIEW FIGURE 19 High Voltage Connections the number of field power circuits required for th...

Page 42: ...t RT and R are connected with a brass jumper bar which can be removed and RT and R connected to an external NC normally closed contact such as a fire smoke detector that will cause shutdown of the equ...

Page 43: ...it filter surface When pressure drop is higher than the switch setting NO and NC contacts are provided to indicate the filter needs to be serviced Refer to page 35 for instructions on making switch ad...

Page 44: ...6 Pro Wi Fi 2 stage Cool 3 stage Heat Heat Pump 2 stage Cool 2 stage Heat Conventional Programmable Non Programmable Electronic Auto or Manual changeover Wi Fi TABLE 5B Wall Thermostats 3 Stage Balanc...

Page 45: ...an for the A output to function during scheduled occupied periods Must be configured for multi stage for Y1 output to be active 1st stage cooling For dehumidification must be configured for No Economi...

Page 46: ...signal for modulating ventilation control Optional for ECON Only See vent installation manual 6 For vent operation add jumper if optional CO2 controller is not used Vent will run while blower is ener...

Page 47: ...der tank as a liquid to avoid any fractionation and to ensure optimal system performance Refer to instructions for the cylinder that is being utilized for proper method of liquid extraction Safety Pra...

Page 48: ...sor operation is inhibited If a fault condition occurs reverse two of the supply leads to the unit Do not reverse any of the unit factory wires as damage may occur Condenser Fan Operation NOTE Certain...

Page 49: ...ndition in a situation where the switch is open If the high pressure switch opens the CCM will de energize the compressor If the switch closes again it will then restart the compressor after the delay...

Page 50: ...e installed on all units so that the system operating pressures can be observed Pressure tables can be found on page 32 This unit employs high flow Coremax valves instead of the typical Shrader type v...

Page 51: ...unit is being installed with any ventilation package a Bard LAC kit must be installed Failure to utilize an LAC with any air conditioner can cause coil freeze up NOTE Economizer will disable Balanced...

Page 52: ...3302 PA13362 A B PA13422 A B C PA13482 A B C PA13602 A B C contain the X13 Series Motors TROUBLESHOOTING GE X13 SERIES ECM2 3 MOTORS If the Motor is Running 1 It is normal for the motor to rock back a...

Page 53: ...tat output 24VAC Common 24VAC Common 24VAC R Signal through thermostat output 2 If the motor has proper high voltage and ground at the L L1 G N L2 connections then continue with the Model SelecTech Co...

Page 54: ...trol circuit molded plug from the compressor and measure the solenoid coil resistance The resistance should be 32 to 60 ohms depending on compressor temperature 4 Next check the molded plug Voltage ch...

Page 55: ...ITHER SIDE TO GET TO THE CONDENSOR COIL OR FAN BLADE MIS 4045 Remove screws and fan shroud to access fan or coil Parts hidden for clarity R 410A Refrigerant Charge This unit was charged at the factory...

Page 56: ...146 507 147 536 149 566 151 597 153 636 85 72 Low Side High Side 139 353 141 374 143 395 144 418 146 443 147 469 149 496 151 525 152 555 154 586 156 618 __ TABLE 10B 1st Stage Cooling Pressures Balanc...

Page 57: ...Brkr Field Power Wire Size Ground Wire Minimum Circuit Ampacity Maximum External Fuse or Ckt Breaker Field Power Wire Size Ground Wire Size Ckt A Ckt B Ckt C Ckt A Ckt B Ckt C Ckt A Ckt B Ckt C Ckt A...

Page 58: ...the unit duct static based on the highest airflow that the unit will run at NOTE Be sure to adjust the system static or blower speed to maintain airflows above the minimum recommendations to prevent f...

Page 59: ...per between Y1 and Y2 installed and it must be removed to use Balanced Climate mode The unit is shipped with the orange black wire connected to terminal LO rated speed on the blower selection speed te...

Page 60: ...5 restriction was reached turn the knob slightly clockwise If the switch tripped after 75 turn the knob counter clockwise see Figure 30 5 Replace the upper front panel and repeat Steps 1 3 Continue to...

Page 61: ...2100 720C Page 37 of 42 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...

Page 62: ...210 1165 W4SAC 0 00 1275 1195 1795 1685 1895 1850 2000 1920 0 10 1140 1070 1730 1625 1845 1765 1940 1850 0 15 1075 1015 1690 1590 1815 1725 1905 1815 0 20 1015 960 1655 1555 1785 1685 1870 1780 0 25 1...

Page 63: ...TABLE 16 Electric Heat Model W3SAC W4SAC W5SAC Outlet Front Speed High Low A0Z A05 A10 A15 A20 50 50 50 50 50 50 50 50 50 40 B0Z B06 B09 B15 B18 50 50 50 50 50 50 50 50 50 50 C0Z C09 C15 50 50 50 50...

Page 64: ...A20 X EHWA42C B05 X EHW3SC B06 X X EHWA42C B06 X EHW3SC B09 X X EHWA42CD B09 X EHW3SC B15 X X EHW3SC C06 X X EHW3SC C09 X X EHW3SC C15 X X EHWA42C C15 X EHWA48C A05 X EHWA48CD A05 X EHWA48CD A10 X EH...

Page 65: ...Manual 2100 720C Page 41 of 42 GRAPH 2 W4SAC FAD NE5 W O Exhaust Ventilation Delivery GRAPH 1 W3SAC FAD NE5 W O Exhaust Ventilation Delivery...

Page 66: ...Manual 2100 720C Page 42 of 42 GRAPH 3 W5SAC FAD NE5 W O Exhaust Ventilation Delivery...

Page 67: ......

Page 68: ...tandard Dehum Exploded View 6 Usage List 7 Usage List 8 Functional Components Standard Dehum Exploded View 10 Usage List 11 Usage List 12 EEV Controller Assembly Exploded View 13 Usage List 13 Descrip...

Page 69: ...2110 1461B Page 2 of 17 This drawing to be used for reference for pages 3 and 4 EXTERNAL PARTS STANDARD DEHUMIDIFICATION SEXP 932 24 23 2 15 17 13 13 16 9 10 3 11 25 18 21 8 6 14 5 7 15 19 4 12 22 20...

Page 70: ...2 2 2 2 2 2 2 2 2 16 105 1450 Right Control Panel Angle X X X X 17 105 1451 Left Control Panel Angle X X X X 18 18 18 S543 221 S543 228 k S543 229 Heater Access Cover Heater Access Cover Heater Access...

Page 71: ...e Side Grille Side Grille 2 2 2 2 2 2 16 105 1450 Right Control Panel Angle X X 17 105 1451 Left Control Panel Angle X X 18 18 18 S543 221 S543 228 k S543 229 Heater Access Cover Heater Access Cover H...

Page 72: ...Manual 2110 1461B Page 5 of 17 This page intentionally left blank...

Page 73: ...61B Page 6 of 17 This drawing to be used for reference for pages 7 and 8 INTERNAL PARTS STANDARD DEHUMIDIFICATION SEXP 938 19 2 4 26 27 29 22 22 15 8 14 20 32 5 9 25 11 23 6 21 16 17 12 13 24 28 1 7 1...

Page 74: ...585 Circuit Breaker Base Circuit Breaker Base 460V X X X X X X X X 18 18 S133 303 S133 304 Upper Control Panel Cover Upper Control Panel Cover 460V X X X X X X X X 19 19 135X393 135X397 Right Copper...

Page 75: ...7 585 Circuit Breaker Base Circuit Breaker Base 460V X X X X 18 18 S133 303 S133 304 Upper Control Panel Cover Upper Control Panel Cover 460V X X X X 19 19 135X393 135X397 Right Copper Chase Right Cop...

Page 76: ...Manual 2110 1461B Page 9 of 17 This page intentionally left blank...

Page 77: ...110 1461B Page 10 of 17 FUNCTIONAL COMPONENTS STANDARD DEHUMIDIFICATION SEXP 931 13 15 22 8 21 7 20 1 5 12 3 4 9 2 18 23 6 24 26 11 17 19 16 14 10 25 This drawing to be used for reference for pages 11...

Page 78: ...1171 023 1 4 Turn Receptacle X X X X X X X X X X X X 16 1171 022 1 4 Turn Fastener X X X X X X X X X X X X 17 1171 024 1 4 Turn Retainer X X X X X X X X X X X X 18 8301 057 Filter Pressure Switch O O...

Page 79: ...Turn Fastener X X X X X X 17 1171 024 1 4 Turn Retainer X X X X X X 18 8301 057 Filter Pressure Switch O O O O O O 19 CMC 29 Freeze Protection Thermostat O O O O O O 20 20 5051 221BX 5054 221BX Reheat...

Page 80: ...S8301 079 0001 5651 246 EEV Control Module Stator Cable EEV Stator Cable Only X X 4 8201 130 Control Relay X 5 3000 1602 Main Wire Assembly X 6 3000 1611 Transducer Wire Assembly EEV Board to QC X 7...

Page 81: ...anual 2110 1461B Page 14 of 17 CONTROL PANEL STANDARD DEHUMIDIFICATION This drawing to be used for reference for pages 15 and 16 24 21 3 19 17 13 11 14 4 2 16 23 10 9 1 20 15 18 8 12 22 5 6 7 SEXP 102...

Page 82: ...2 005 8552 004 Compressor Capacitor Compressor Capacitor Outdoor Motor Capacitor Outdoor Motor Capacitor X X X X X X X X X X X X 21 21 8550 008 8550 003 Capacitor Strap Capacitor Strap X X X X X X X X...

Page 83: ...8407 068 8407 069 Transformer Transformer X X X X X X 19 8201 126 Phase Monitor X X X X 20 20 20 8552 055 8552 005 8552 004 Compressor Capacitor Outdoor Motor Capacitor Outdoor Motor Capacitor X X X X...

Page 84: ...Motor Control 230 208V Programmed Blower Motor Control 460V Programmed Blower Motor Control 460V Programmed Control Only 230 208V Programmed Control Only 460V Programmed Control Only 230 208V Programm...

Page 85: ......

Page 86: ...ting environment is exposed to airborne saline particles typically 5 miles from coast line must have corrosion protection or warrenty claims will be declined on corrosion based cabinet and part failur...

Page 87: ...rts Must be registered at www wallmountwarranty com within 90 days of installation for the 10 year parts coverage to be in effect Factory coated coils have a 5 year warranty in corrosive environments...

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