Bard W42AC-B Installation Instructions Manual
Wall mount air conditioner
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INSTALLATION INSTRUCTIONS
Wall Mount Air Conditioner
W42AC-A
W42AC-B
W42AC-C
W42ACDA
W42ACDB
W42ACDC
11EER WA Series
Models:
W48AC-A
W48AC-B
W48AC-C
W48ACDA
W48ACDB
W48ACDC
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
W60AC-A
W60AC-B
W60AC-C
W60ACDA
W60ACDB
W60ACDC
Manual:
Supersedes: 2100-692D
Date:
W72AC-A
W72AC-B
W72AC-C
W72ACDA
W72ACDB
W72ACDC
2100-692E
3-1-21
Page
1 of 42
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Table of Contents
Related Manuals for Bard W42AC-B
Summary of Contents for Bard W42AC-B
- Page 1 W60AC-A W72AC-A W42AC-B W48AC-B W60AC-B W72AC-B W42AC-C W48AC-C W60AC-C W72AC-C W42ACDA W48ACDA W60ACDA W72ACDA W42ACDB W48ACDB W60ACDB W72ACDB W42ACDC W48ACDC W60ACDC W72ACDC Bard Manufacturing Company, Inc. Manual: 2100-692E Bryan, Ohio 43506 Supersedes: 2100-692D Date: 3-1-21 www.bardhvac.com Page 1 of 42...
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Page 2: Table Of Contents
CONTENTS Getting Other Information and Publications ..3 Vent Connection Plug .......... 25 Wall Mount General Information ......4 Compressor Control Module ......... 25 Air Conditioner Wall Mount Model Nomenclature ..4 Features ............25 Shipping Damage ..........4 Delay-on-Make Timer ........25 General ............... -
Page 3: Getting Other Information And Publications
Figure 21 Non-Programmable Thermostat Table 12 Electrical Specifications W**AC ... 32 Connections ........22 Table 13 Recommended Airflow ......33 Figure 22 8201-169 Compressor Control Module ...26 Table 14 Blower Speeds for Unit Operational Figure 23 Motor Connections ......27 Modes .......... -
Page 4: Wall Mount General Information
WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE – MODEL SERIES CONTROL MODULES (See Spec. Sheet S3583) CAPACITY 42 – 3½ Ton COIL OPTIONS 48 – 4 Ton X – Standard 60 – 5 Ton 1 – Phenolic Coated Evaporator 72 –... -
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 Kits RG5 or RFG5 be installed when no return duct is used. Contact distributor or factory for ordering information. -
Page 6: Switching Filter Sizes
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 7: Fresh Air Intake
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 8: Installation
Inspect wall surfaces Bard recommends at least 2' between solid objects for obstructions that could hinder unit installation and return grilles or registers. Ductwork may be used to... -
Page 9: Free Blow Applications
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 10: 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 11: Figure 12 Vent Installation/Removal Clearance Required
TABLE 1 TABLE 2 Clearance Required for Service Access and Minimum Clearances Required Adequate Condenser Airflow to Combustible Materials Left Right Discharge – Model Supply Air Duct (1st 3') Cabinet Model Side Side Front W42AC W42AC W48AC W48AC 1/4" 0" 20"... -
Page 12: Figure 13 Unit Dimensions
FIGURE 13 Unit Dimensions Supply Return Width Depth Height W42AC 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 W48AC W60AC 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... -
Page 13: 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 UNITS... -
Page 14: Figure 15 Electric Heat Clearance
FIGURE 15 Electric Heat Clearance NOTE 1: SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1/4" CLEARANCE TO COMBUSTIBLE SURFACES. WARNING Fire hazard. Maintain minimum 1/4" clearance between the supply air duct and combustible materials in the first 3' of ducting. -
Page 15: 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 16: 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 17: Wiring - Main Power
Wiring – Main Power All models are suitable only for connection with copper wire. Each unit and/or wiring diagram will be marked “Use Copper Conductors Only”. These instructions WARNING must be adhered to. Refer to the National Electrical Code (NEC) for complete current carrying capacity data on the various insulation grades of wiring material. -
Page 18: Wiring - Low Voltage
TABLE 3 compressor contactor and up into the upper control panel where the connections are made. If field power is Additional Low Voltage Connections (if applicable) supplied to the right of side of the unit, the low voltage wires can be run under the field wire shield to access Terminal Unit Description... -
Page 19: Dehumidification Feature
back to the selected speed. See pages 33 – 35 for Dirty Filter Switch Indicator (DFS) blower speed selection options. The switch is adjustable and measures pressure drop Refer to page 24 for additional Balanced Climate across the unit filter surface. When pressure drop requirements and limitations. -
Page 20: 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; Dehumidification 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 21: Figure 20 Programmable Thermostat Connections
Programmable Thermostat Connections Completestat Model #CS9B-THOA or Model #CS9BE-THOA W1/E Thermostat W1/E YO/D 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 ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed. -
Page 22: Figure 21 Non-Programmable Thermostat Connections
Non-Programmable Thermostat Connections Units With Dehumidification 8403-038 Mechanical Humidistat T4 Pro 8403-089 T6 Pro 8403-090 8403-092 8403-047 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 ALL VENT OPTIONS PLUG IN HERE If not equipped with a ventilation option to plug in, a jumper plug must be installed. -
Page 23: Start Up
All W**AC wall-mounted air conditioner series models Topping Off System Charge are supplied with a remote reset for the high and low If a leak has occurred in the system, Bard pressure switch. If tripped, the pressure switch may be Manufacturing recommends reclaiming, evacuating reset by turning the thermostat off then back on again. -
Page 24: Phase Monitor
If the unit is being installed with any ventilation package, operating pressure builds up. After starting, the fan a Bard LAC kit must be installed. Failure to utilize an motor may or may not cycle depending upon ambient LAC with any air conditioner can cause coil freeze up. -
Page 25: Vent Connection Plug
Consult Bard Application Engineering for the low pressure switch remains open for more than details prior to implementation. 2 minutes. the CCM will de-energize the compressor for the delay-on-break time. If the switch closes again, CAUTION: Balanced Climate is not a replacement for it will then restart the compressor. -
Page 26: Pressure Service Ports
FIGURE 22 8201-169 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. -
Page 27: 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 28: 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 29: 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 specific dimension. -
Page 30: Table 10 Cooling Pressure - Standard Airflow
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 W42AC 80/67 High Side Low Side 85/72 High Side Low Side 75/62 High Side Low Side W48AC 80/67... - Page 31 TABLE 11 Cooling Pressure – Balanced Climate Airflow Air Temperature Entering Outdoor Coil °F Return Air Temp Model Pressure (DB/WB) Low Side 75/62 High Side Low Side W42AC 80/67 High Side Low Side 85/72 High Side Low Side 75/62 High Side Low Side W48AC 80/67...
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Page 32: Table 12 Electrical Specifications W**Ac
TABLE 12 Electrical Specifications − W**AC Series Single Circuit Multiple Circuit Rated No. Field Minimum Maximum Field Power Ground Model Volts Power Maximum Field Circuit External Fuse or Minimum Wire Size Wire Size &... -
Page 33: Setting Unit Airflow
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. Table 15 on page 37 for the corresponding airflow of b. -
Page 34: Speed Tap 1 - Vent/Blower Only
Speed Tap 3 – Default LO Cooling & Heating Programmed blower speed taps are as follows (see also 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 airflow amount will be the default Speed Tap 2: Balanced Climate speed airflow. -
Page 35: Figure 29 Dirty Filter Switch And Dirty Filter Indicator Light/Reset Switch
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 36: 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 2100-692E Page 36 of 42... -
Page 37: Table 15 Indoor Blower Performance
TABLE 15 Indoor Blower Performance Default LO Optional MED Balanced Climate Optional HI Cooling Cooling & Heating/ Cooling & Heating E.S.P. Speed & Heating Speed Ventilation Speed Speed (In. H Dry Coil Wet Coil Dry Coil Wet Coil Dry Coil Wet Coil Dry Coil Wet Coil... -
Page 38: Table 16 Maximum Esp Electric Heat Only
TABLE 16 Maximum ESP of Operation Electric Heat Only Model W42AC, W48AC W60AC, W72AC Outlet FRONT FRONT Speed High High -A0Z -A05 -A10 -A15 -A20 -B0Z -B06 -B09 -B15 -B18 -C0Z -C09 -C15 Values shown are for units equipped with standard 1" throwaway filter or 1"... -
Page 39: Table 18 Vent And Control Options
TABLE 18 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 CMC-39 Crankcase Heater - 460V CMA-39 LAC - On/Off CMA-43 CMA-44 BOP5 Blank Off Plate FAD-NE5 Fresh Air Damper - No Exhaust FAD-BE5... -
Page 40: Table 19 Optional Accessories
TABLE 19 Optional Accessories EHWA42C-A05 EHWA42CD-A05 EHWA42C-A10 EHWA42CD-A10 EHWA42C-A15 EHWA42CD-A15 EHWA42C-A20 EHWA42C-B05 EHWA42C-B06 EHWA42C-B09 EHWA42CD-B09 EHWA42C-B15 EHWA42C-B18 EHWA42CD-B18 EHWA42C-C05 EHWA42C-C09 EHWA42CD-C09 EHWA42C-C15 EHWA48C-A05 EHWA48CD-A05 EHWA48CD-A10 EHWA48CD-B09 EHWA48C-B15 EHWA48C-B18 EHWA48CD-B18 EHWA48C-C09 EHWA60CD-A05 EHWA60C-A10 EHWA60CD-A10 EHWA60C-A15 EHWA60C-A20 EHWA60C-B06 EHWA60C-B09 EHWA60CD-B09 EHWA60C-B15 EHWA60CD-B15 EHWA60C-B18 EHWA60C-CO9 EHWA60C-C15... - Page 41 GRAPH 1 W42AC FAD-NE5 W/O Exhaust Ventilation Delivery GRAPH 2 W48AC FAD-NE5 W/O Exhaust Ventilation Delivery Manual 2100-692E Page 41 of 42...
- Page 42 GRAPH 3 W60AC FAD-NE5 W/O Exhaust Ventilation Delivery GRAPH 4 W72AC FAD-NE5 W/O Exhaust Ventilation Delivery Manual 2100-692E Page 42 of 42...