Bard W42AC-B User Manual Download

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11EER WA Series

Wall Mount Air Conditioner

Models:

INSTALLATION INSTRUCTIONS

W42AC-A
W42AC-B
W42AC-C

W48AC-A
W48AC-B
W48AC-C

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

Manual: 2100-692E
Supersedes: 2100-692D
Date: 3-1-21

W60AC-A
W60AC-B
W60AC-C

W72AC-A
W72AC-B
W72AC-C

W42ACDA
W42ACDB
W42ACDC

W48ACDA
W48ACDB
W48ACDC

W60ACDA
W60ACDB
W60ACDC

W72ACDA
W72ACDB
W72ACDC

Summary of Contents for W42AC-B

Page 1: ...42AC B W42AC C W48AC A W48AC B W48AC C Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 692E Supersedes 2100 692D Date 3 1 21 W60AC A W60AC B W60AC C W72AC A W72AC B W72AC...

Page 2: ...4 Sequence of Operation 24 Balanced ClimateTM Mode 24 Vent Connection Plug 25 Compressor Control Module 25 Features 25 Delay on Make Timer 25 Short Cycle Delay on Break 25 Low Pressure Detection 25 Hi...

Page 3: ...617 984 7057 Figure 21 Non Programmable Thermostat Connections 22 Figure 22 8201 169 Compressor Control Module 26 Figure 23 Motor Connections 27 Figure 24 Motor Connections 28 Figure 25 Fan Blade Set...

Page 4: ...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 recommended guide they do not s...

Page 5: ...ge 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 installations...

Page 6: ...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 7: ...ade FIGURE 9 Install Right 2 Filter FIGURE 10 Install Left 2 Filter There is an adjustable slide on the side of the fresh air intake that can be adjusted to limit how far the damper opens so that the...

Page 8: ...hinder unit installation and servicing including outdoor electrical conduits junction boxes wall drains vent hoods windows doors overhangs and posts Condensate Water Drainage Review all codes and requ...

Page 9: ...ing fresh air dampers ventilators economizers and energy recovery ventilators Be sure to install the return grille with the louvers pointed downward towards the floor This will help ensure return air...

Page 10: ...he side of the unit 2 Locate and mark bolt hole locations and bottom mounting bracket location Install bottom mounting bracket with field supplied fasteners to wall if it is to be used optional Bracke...

Page 11: ...48AC W60AC W72AC 20 20 10 TABLE 2 Minimum Clearances Required to Combustible Materials Model Supply Air Duct 1st 3 Cabinet W42AC W48AC W60AC W72AC 1 4 0 FIGURE 12 Vent Installation Removal Clearance R...

Page 12: ...g MIS 3978 A Condenser Air Outlet Ventilation Air Inlet Cond Air Exhaust Air Brackets Built In Mounting Side Wall Location Shipping Flashing Top Rain DO NOT PLACE ELECTRICAL ENTRANCES IN SHADED AREAS...

Page 13: ...ng and Hole Location View Supply Opening Return Opening UNITS REQUIRED DIMESIONS A B C D E F G W42AC W48AC UNITS REQUIRED DIMESIONS TO MAINTAIN 1 4 MIN CLEARANCE FROM COMBUSTIBLE MATERIALS 30 1 2 10 1...

Page 14: ...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 15: ...TTACH TO TOP PLATE OF WALL ALL AROUND DUCT MIS 3982 A THIS STRUCTURAL MEMBER LOCATED TO MATCH STUD SPACING FOR REST OF WALL A SECOND MEMBER MAY BE REQUIRED FOR SOME WALLS SUPPY DUCT OPENING RETURN DUC...

Page 16: ...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 17: ...eld can be removed for wire installation If field power is supplied to the left side of the unit run the high voltage wires under the shield and to the right of the wire shield next to the MIS 4044 US...

Page 18: ...ons on auxiliary terminal strip Unit Shutdown Feature Standard on All Models The RT terminal is the 24VAC transformer output and the R terminal is the 24VAC hot terminal for the operation of the equip...

Page 19: ...Feature Controls Option The alarm relay provides a set of NO normally open and NC normally closed pilot duty contacts that operate when the compressor control module locks out compressor operation bec...

Page 20: ...2 3 18 gauge 16 gauge 14 gauge 12 gauge 60 100 160 250 TABLE 5 Wall Thermostats Part Number Predominate Features 8403 060 1120 445 3 stage Cool 3 stage Heat Electronic Programmable Non Programmable H...

Page 21: ...upied periods Must be configured for multi stage for Y1 output to be active 1st stage cooling For dehumidification must be configured for No Economizer for YO D to be active for humidity control 4 Fac...

Page 22: ...See vent installation manual 6 For vent operation add jumper if optional CO2 controller is not used Vent will run while blower is energized For ECON CRV V an additional wire change is required See in...

Page 23: ...A refrigerant it must come out of the charging cylinder tank as a liquid to avoid any fractionation and to ensure optimal system performance Refer to instructions for the cylinder that is being utiliz...

Page 24: ...y wired on low speed Service Hints 1 Caution owner operator to maintain clean air filters at all times and also not to needlessly close off supply and return air registers This reduces airflow through...

Page 25: ...the switch closes again it will then restart the compressor If the switch trips again during the same Y call the compressor will be de energized and the alarm terminal will be energized indicating an...

Page 26: ...power this could lead to the compressor never starting The control will see the brownout immediately and not start A common scenario and one that has been seen in the field is when a unit or units sw...

Page 27: ...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 28: ...utput 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 Communi...

Page 29: ...enser coil for cleaning or to service the outdoor fan first remove the side grilles 3 The fan shroud sides can then be removed for ease of access to the coil and the back side of the shroud by removin...

Page 30: ...55 629 85 72 Low Side High Side 135 333 138 357 140 382 142 407 144 434 146 461 148 489 150 519 152 549 155 580 157 612 W48AC 75 62 Low Side High Side 128 331 131 352 133 374 135 398 137 422 138 448 1...

Page 31: ...587 149 633 85 72 Low Side High Side 127 331 129 349 131 368 134 390 136 415 139 441 141 470 143 501 146 534 148 569 151 608 W48AC 75 62 Low Side High Side 122 320 123 341 125 365 127 388 129 412 132...

Page 32: ...W72AC A00 A0Z A05 A10 A15 A20 230 208 1 1 1 1 or 2 1 or 2 1 or 2 56 56 60 86 112 60 60 70 90 125 6 6 6 3 2 10 10 8 8 6 56 60 60 26 26 52 60 60 60 30 30 60 6 6 6 10 10 6 10 10 10 10 10 10 W72AC B00 B0...

Page 33: ...ire on the blower speed terminal block to either MED or HI Refer to Table 15 on page 37 for the corresponding airflow of each tap Set the unit duct static based on the highest airflow that the unit wi...

Page 34: ...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 35: ...to the unit Remove the upper front panel and the cover on the airflow switch so that adjustment can be made If the switch tripped before 75 restriction was reached turn the knob slightly clockwise If...

Page 36: ...2100 692E Page 36 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 37: ...1655 1555 1785 1685 1870 1780 0 25 1615 1520 1750 1645 1835 1745 0 30 1575 1485 1715 1610 1800 1710 0 40 1485 1405 1635 1540 1730 1635 0 50 1390 1325 1550 1475 1655 1560 W60AC 0 00 1540 1480 1960 187...

Page 38: ...5 18 1 12800 6 14 4 20500 12 5 15360 7 2 20500 9 21 7 30600 18 7 23030 10 8 30700 10 41 6 34130 36 2 25600 15 62 5 51250 54 0 38400 36 2 51200 31 2 38400 18 0 51200 18 43 3 61430 37 4 46060 20 83 2 68...

Page 39: ...A 43 ODT X X CMA 44 DDC X X BOP5 Blank Off Plate X X FAD NE5 Fresh Air Damper No Exhaust X X FAD BE5 Fresh Air Damper Barometric Exhaust X X CRV F5 Commercial Ventilator On Off Spring Return X X CRV V...

Page 40: ...B18 X EHWA42CD B18 X EHWA42C C05 X X EHWA42C C09 X EHWA42CD C09 X EHWA42C C15 X X EHWA48C A05 X X EHWA48CD A05 X EHWA48CD A10 X X EHWA48CD B09 X EHWA48C B15 X EHWA48C B18 X X EHWA48CD B18 X EHWA48C C...

Page 41: ...Manual 2100 692E Page 41 of 42 GRAPH 1 W42AC FAD NE5 W O Exhaust Ventilation Delivery GRAPH 2 W48AC FAD NE5 W O Exhaust Ventilation Delivery...

Page 42: ...Manual 2100 692E Page 42 of 42 GRAPH 3 W60AC FAD NE5 W O Exhaust Ventilation Delivery GRAPH 4 W72AC FAD NE5 W O Exhaust Ventilation Delivery...

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