Bard J18AA-A Installation Instructions Manual

Wall mounted packaged air conditioner
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INSTALLATION INSTRUCTIONS
WALL MOUNTED PACKAGED
J18AA-A
J18LA-A
J24AA-A
J24AA-B
J24AA-C
J24LA-A
J24LA-B
J24LA-C
AIR CONDITIONER
Models:
J30AA-A
J30AA-B
J30AA-C
J30LA-A
J30LA-B
J30LA-C
J36AA-A
J36AA-B
J36AA-C
J36LA-A
J36LA-B
J36LA-C
J42AA-A
J60AB-A
J42AA-B
J60AB-B
J42AA-C
J60AB-C
J42LA-A
J60LB-A
J42LA-B
J60LB-B
J42LA-C
J60LB-C
J48AA-A
J72AB-A
J48AA-B
J72AB-B
J48AA-C
J72AB-C
J48LA-A
J72LB-A
J48LA-B
J72LB-B
J48LA-C
J72LB-C
Manual:
Supersedes: 2100-651C
Date:
2100-651D
10-3-18
Page
1 of 32

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Summary of Contents for Bard J18AA-A

  • Page 1 INSTALLATION INSTRUCTIONS WALL MOUNTED PACKAGED AIR CONDITIONER Models: J18AA-A J30AA-A J42AA-A J60AB-A J30AA-B J42AA-B J60AB-B J30AA-C J42AA-C J60AB-C J18LA-A J30LA-A J42LA-A J60LB-A J30LA-B J42LA-B J60LB-B J30LA-C J42LA-C J60LB-C J24AA-A J36AA-A J48AA-A J72AB-A J24AA-B J36AA-B J48AA-B J72AB-B J24AA-C J36AA-C J48AA-C J72AB-C...
  • Page 2: Table Of Contents

    CONTENTS Start Up ..............19 Getting Other Information and Publications General ............. 19 Topping Off System Charge ......... 19 Wall Mount General Information ......4 Safety Practices ..........19 Wall Mount Model Nomenclature ......4 Important Installer Note ........19 Shipping Damage ..........
  • Page 3: Getting Other Information And Publications

    GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help when installing the For more information, contact these publishers: furnace. They can usually be found at the local library or purchased directly from the publisher. Be sure to ACCA Air Conditioning Contractors of America consult the current edition of each standard.
  • Page 4: Wall Mount General Information

    WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE – MODEL SERIES CONTROL MODULES (See Spec. Sheet S3515) CAPACITY 18 – 1½ Ton 42 – 3½ Ton 24 – 2 Ton 48 – 4 Ton COIL OPTIONS 30 – 2½ Ton 60 –...
  • Page 5: Duct Work

    5/8". Any grille that meets with 5/8" louver criteria may be used. It is recommended that Bard Return Air Grille Kit RG2 through RG5 or RFG2 through RFG5 be installed when no return duct is used. Contact distributor or factory for ordering information.
  • Page 6: Installation

    INSTALLATION WALL MOUNTING INFORMATION WARNING 1. Two holes for the supply and return air openings must be cut through the wall as shown in Figures Figures 3A – D (pages 8 – 11). Failure to provide the 1/4" clearance between the supply duct and a combustible surface 2.
  • Page 7: Figure 2 Unit Dimensions

    FIGURE 2 Dimensions of Basic Unit for Architectural and Installation Requirements (Nominal) SUPPLY RETURN WIDTH DEPTH HEIGHT MODEL J18A, L 33.300 17.125 74.563 7.88 19.88 11.88 19.88 35.00 10.88 29.75 20.56 30.75 32.06 33.25 31.00 2.63 34.13 26.06 10.55 4.19 12.00 9.00 J24A, L J30A, L...
  • Page 8: Figure 3A Mounting Instructions - J18, 24

    Manual 2100-651D Page 8 of 32...
  • Page 9: Figure 3B Mounting Instructions - J30, 36

    Manual 2100-651D Page 9 of 32...
  • Page 10: Figure 3C Mounting Instructions - J42, 48

    Manual 2100-651D Page 10 of 32...
  • Page 11 Manual 2100-651D Page 11 of 32...
  • Page 12: Figure 4 Electric Heat Clearance

    FIGURE 4 Electric Heat Clearance J30A, J30L, J36A, J36L, J42A, J42L, J48A, J48L, J60A, J60L, J72A, J72L NOTE 1: SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1/4" CLEARANCE TO COMBUSTIBLE SURFACES. WARNING A minimum of 1/4" clearance must be maintained between the supply air duct and combustible materials.
  • Page 13: Figure 5 Wall Mounting Instructions

    FIGURE 5 Wall Mounting Instructions WALL STRUCTURE SEE FIGURES 3A THROUGH 3D – MOUNTING INSTRUCTIONS FACTORY SUPPLIED RAIN FLASHING. MOUNT ON UNIT BEFORE INSTALLATION SUPPLY AIR SUPPLY AIR SUPPLY AIR DUCT OPENING OPENING RETURN AIR RETURN AIR RETURN AIR OPENING OPENING OPENING BOTTOM MOUNTING...
  • Page 14: Figure 7 Common Wall Mounting Installations

    FIGURE 7 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 FINISHED CEILING SURFACE W/ GRILLE RETURN AIR RETURN AIR OPENING W/ GRILLE...
  • Page 15: Wiring - Main Power

    WIRING – MAIN POWER For low voltage wiring, an 18 gauge copper, color-coded cable is recommended. See Table 4 on page 16 for Refer to the unit rating plate for wire sizing information more information. and maximum fuse or circuit breaker size. Each outdoor unit is marked with a “Minimum Circuit Low Voltage Connections Ampacity”.
  • Page 16: Table 1 Wall Thermostats

    TABLE 1 Wall Thermostats Part Number Predominate Features 8403-057 1 stage Cool, 1 stage Heat; Electronic Non-Programmable; Auto or Manual changeover (TH3110D1040) 8403-058 2 stage Cool, 2 stage Heat; Electronic Non-Programmable; (TH5220D1151) HP or Conventional (Default: HP); Auto or Manual changeover 8403-059 2 stage Cool, 2 stage Heat;...
  • Page 17 Model #CS9B-THO or Model #CS9BE-THO W1/E Yellow Blue Orange White Thermostat W1/E YO/D Bard #8403-060 Optional CO2 Controller Bard Part #8403-067 24VAC CO2 OUT TEMP-OUT Unit Low B/W1 W3/8 Voltage Term. Strip 12-Pin Vent Plug ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed.
  • Page 18: Figure 9 Non-Programmable Thermostat Connections

    (TH311OD1040) 1 Stage Heat 8403-058 (TH522OD1151) 2 Stage Cool 8403-059 2 Stage Heat 8403-047 (TH522OD1219/U) Electronic Humidistat Optional CO2 Controller Bard Part #8403-067 24VAC CO2 OUT TEMP-OUT Unit Low B/W1 W3/8 Voltage Term. Strip 12-Pin Vent Plug ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed.
  • Page 19: Start Up

    TOPPING OFF SYSTEM CHARGE sunlight. 9. Never heat cylinders above 125°F. If a leak has occurred in the system, Bard Manufacturing recommends reclaiming, evacuating 10. Never trap liquid R-410A in manifold sets, gauge (see criteria above) and charging to the nameplate lines or cylinders.
  • Page 20: High Pressure Switch

    HIGH PRESSURE SWITCH If a fault condition occurs, reverse two of the supply leads to the unit. Do not reverse any of the unit factory All J**A/J**L wall mounted air conditioner series wires as damage may occur. models are supplied with a remote reset for the high and low pressure switch.
  • Page 21: Compressor Control Module

    jumper plug is in place. The unit will not operate Alarm Relay Output without anything plugged in. This plug is located on Alarm terminal is output connection for applications the side of the control panel behind the front vent door where alarm relay is employed.
  • Page 22: Figure 10 Motor Connections

    1. It is normal for the motor to rock back and forth NOTE: Bard Models PA13242; PA13302; PA13362-A, -B; PA13422-A, -B, -C; PA13482-A, -B, -C; PA13602-A, -B, -C on start up. Do not replace the motor if this is the E.
  • Page 23: Figure 11 Motor Connections

    TROUBLESHOOTING GE X13-SERIES ECM2.3 ™ MOTORS CONT’D. 2. If the motor has proper high voltage and ground at A. If the low voltage communication is not the (L/L1) (G) (N/L2) connections, then continue present, check the demand from the 2. Initiate a demand from the thermostat and check the Model X13 Communication Diagnostics with the “Model SelecTech Communication thermostat.
  • Page 24: Figure 12 Fan Blade Setting

    FAN BLADE SETTING DIMENSIONS R-410A REFRIGERANT CHARGE Shown in Figure 12 is the correct fan blade setting for This unit was charged at the factory with the quantity proper air delivery across the outdoor coil. Refer to of refrigerant listed on the serial plate. AHRI capacity Table 5 for unit specific dimension.
  • Page 25: Table 6

    TABLE 6 Cooling Pressure Air Temperature Entering Outdoor Coil °F Return Air Temp Model Pressure (DB/WB) Low Side 75/62 High Side Low Side J18A/L 80/67 High Side Low Side 85/72 High Side Low Side 75/62 High Side Low Side J24A/L 80/67 High Side Low Side...
  • Page 26: Table 7 Electrical Specifications J**A

    TABLE 7 Electrical Specifications – J**A Series Single Circuit Multiple Circuit Rated  Minimum  Maximum     No. Field  Volts Circuit External Fuse or Field Power Ground Maximum Field  MODEL Power Minimum & External Power Ground Ampacity Ckt.
  • Page 27: Table 8 Electrical Specifications J**L

    TABLE 8 Electrical Specifications – J**L Series Single Circuit Dual Circuit  Minimum  Maximum    Rated   Field Circuit External Fuse or Field Power Ground Maximum  MODEL Volts & Minimum Field Power External Ground Ampacity Ckt.
  • Page 28: Table 9 Recommended Airflow

    TABLE 9 Recommended Airflow Nominal Nominal Recommended Factory Speed Model Rated Rated Airflow Range Connection CFM * ESP * J18A, J18L 550 - 725 J24A, J24L 700 - 950 Single J30A, J30L 1000 900 - 1200 High J36A, J36L 1100 1000 - 1300 High J42A, J42L...
  • Page 29: Table 12 Electric Heat

    TABLE 12 Electric Heat Models 240V-1 208V-1 240V-3 208V-3 460V-3 Amps BTUH Amps BTUH Amps BTUH Amps BTUH Amps BTUH 16.7 13650 14.4 10240 20.8 17065 18.1 12800 14.4 20500 12.5 15360 20500 33.3 27300 28.8 20475 21.7 30600 18.7 23030 10.8 30700...
  • Page 30: Table 13 Vent And Control Options

    TABLE 13 Vent and Control Options Part Number Description BFAD-2 Barometric Fresh Air Damper - Standard WECOPE2 Economizer - Bldg. Equipment, Enthalpy WECOPT2 Economizer - Bldg. Equipment, DB Temp. BFAD-3 Barometric Fresh Air Damper - Standard WECOPE3 Economizer - Bldg. Equipment, Enthalpy WECOPT3 Economizer - Bldg.
  • Page 31: Table 14A Optional Accessories - Right Hand

    TABLE 14A Optional Accessories – Right Hand EHW2TA-A05 EHW2TA-A08 EHW2TA-A10 EHWA24-A04B EHW2TA-B06 EHWH24B-C06 EHW3TA-A05 EHW3TA-A08 EHW3TA-A10 EHW3TA-A15 EHW30A-B06 EHW3TA-B06 EHW3TA-B09 EHW3TA-B15 EHW3TA-C06 EHW3TA-C09 EHW3TA-C12 EHW3TA-C15 EHW4TA-A05 EHWA05-A10B EHWA05-A15B EHWA05-A20B EHWA05-B09B EHWA05-B15B EHW5TA-B18 EHW4TA-B18 EHW4TA-C09 EHW4TA-C15 EHW5TA-A05 EHW60A-B09B EHW70A-B09B EHW6TA-B18 EHW72A-A10B EHW72A-A15B EHW72A-A20B WMCB-01B...
  • Page 32: Table 14B Optional Accessories - Left Hand

    TABLE 14B Optional Accessories – Left Hand EHW2TA-A05L EHW2TA-A08L EHW2TA-A10L EHW2TA-B06L EHW3TA-A05L EHW3TA-A08L EHW3TA-A10L EHW3TA-A15L EHW3TA-B09L EHW3TA-B15L EHW3TA-C09L EHW3TA-C15L EHW4TA-A05L EHWA05-A10LB EHWA05-A15LB EHWA05-B09LB EHWA05-B15LB EHW4TA-C09L EHW4TA-C15L EHW6TA-A05L EHWA60-B09LB EHW70A-B09LB EHW72A-A10LB EHW72A-A15LB WMCB-01B WMCB-02A WMCB-02B WMCB-03A WMCB-04B WMCB-05A WMCB-05B WMCB-06B WMCB-08A WMCB-09A WMPD-01C WMCB-09B...

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