Bard W42AC-A Installation Instructions Manual
Wall mount air conditioner
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INSTALLATION INSTRUCTIONS
WALL MOUNT AIR CONDITIONER
W42AC-A
W42AC-B
W42AC-C
11EER WA SERIES
Models:
W48AC-A
W48AC-B
W48AC-C
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
W60AC-A
W60AC-B
W60AC-C
Manual:
Supersedes: NEW
Date:
W72AC-A
W72AC-B
W72AC-C
2100-692
6-13-19
Page
1 of 38
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Summary of Contents for Bard W42AC-A
- Page 1 INSTALLATION INSTRUCTIONS 11EER WA SERIES WALL MOUNT AIR CONDITIONER Models: W42AC-A W48AC-A W60AC-A W72AC-A W42AC-B W48AC-B W60AC-B W72AC-B W42AC-C W48AC-C W60AC-C W72AC-C Bard Manufacturing Company, Inc. Manual: 2100-692 Bryan, Ohio 43506 Supersedes: NEW Date: 6-13-19 www.bardhvac.com Page 1 of 38...
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Page 2: Table Of Contents
CONTENTS Getting Other Information and Publications ..3 Features ............25 Wall Mount General Information ......4 Delay-on-Make Timer ........25 Air Conditioner Wall Mount Model Nomenclature ..4 Short Cycle/Delay-on-Break ......25 Shipping Damage ..........4 Low Pressure Detection ........26 General ............... -
Page 3: Getting Other Information And Publications
FIGURES Figure 26 Fan Shroud Removal ......29 Figure 27 Speed Taps ......... 33 Figure 1 Front Control Panel Cover ...... 5 Figure 28 Speed Taps ......... 33 Figure 2 Removing Left Filter ......5 Figure 3 Removing Second Filter ......6 GRAPHS Figure 4 Filter Tabs in Up Position ....... -
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 and return ducts must be properly sized for the design Bard Return Air Grille Kit is installed that is designed airflow requirement of the equipment. Air Conditioning specifically for the wall mount product. Contact the Contractors of America (ACCA) is an excellent guide local Bard distributor or visit www.bardhvac.com for... -
Page 10: Wall Preparation
• Small straight (thermostat) screwdriver 3. Position the wall mount unit close to the wall surface where it will be installed. Install rain • Tape measure flashing at the top of the unit facing the wall by • Leveling device hooking the hem bend into the rear bend of the unit top (see Figure 14). -
Page 11: Table 2 Minimum Clearances Required To Combustible Materials
TABLE 2 Minimum Clearances Required to Combustible Materials Model Supply Air Duct (1st 3') Cabinet W42AC W48AC 1/4" 0" W60AC W72AC FIGURE 12 Vent Installation/Removal Clearance Required OBJECT OR WALL VENTS CAN BE INSTALLED FROM EITHER SIDE OF UNIT. 20.750 2.000 45.000 AVOID LOCATING UNIT DISCONNECT... -
Page 12: Figure 13 Unit Dimensions
FIGURE 13 Unit Dimensions Supply Return Width Depth Height W42AC 42.00 25.52 84.88 9.88 29.88 15.88 25.52 43.88 12.63 39.06 30.00 53.75 26.94 55.59 52.59 8.82 43.00 1.44 16.00 1.88 W48AC W60AC 42.00 25.52 93.00 9.88 29.88 15.88 25.52 43.88 12.63 45.00 30.00 59.75 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 UNITS REQUIRED DIMESIONS REQUIRED DIMESIONS OF CAULKING ALONG REQUIRED DIMESIONS TO REQUIRED DIMESIONS TO ENTIRE LENGTH OF MAINTAIN 1/4" MIN. CLEARANCE MAINTAIN 1/4" MIN. CLEARANCE 30 1/2 10 1/2 6 1/4 1 1/4 29 3/4 30 1/2 10 1/2 6 1/4 1 1/4 29 3/4 16 1 7/8 16 1 7/8... -
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 4 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 FINISHED CEILING SURFACE W/ GRILLE RETURN AIR RETURN AIR OPENING W/ GRILLE... -
Page 17: Wiring - Main Power
Wiring – Main Power the number of field power circuits required for the various models with heaters. The unit rating plate lists Main electrical power must be supplied to the unit a “Maximum Time Delay Relay Fuse” or circuit breaker from a clean, reliable power source. -
Page 18: Wiring - Low Voltage
Wiring – Low Voltage TABLE 3 Additional Low Voltage Connections (if applicable) All 230/208V 1 phase and 3 phase equipment have dual primary voltage transformers. All equipment leaves Terminal Unit Description the factory wired on 240V tap. For 208V operation, reconnect from 240V to 208V tap. -
Page 19: Dehumidification Feature
Dehumidification Feature (Optional) TABLE 4 Low Voltage Connections for DDC Control The D terminal is the 24VAC input for dehumidification operation on dehumidification hot gas reheat equipped Units w/ units. When 24VAC is applied to the D terminal, a Standard Units Economizers 3-way valve solenoid is energized. -
Page 20: Table 5 Wall Thermostats
TABLE 5 Wall Thermostats Part Number Predominate Features 8403-057 1 stage Cool, 1 stage Heat; Electronic Non-Programmable; Auto or Manual changeover (TH3110D1040) 8403-059 2 stage Cool, 2 stage Heat; Electronic Non-Programmable; HP or Conventional (Default: AC); Auto or Manual (TH5220D1219/U) changeover 8403-060 3 stage Cool;... -
Page 21: Figure 20 Programmable Thermostat Connections
Programmable Thermostat Connections Completestat Model #CS9B-THO or Model #CS9BE-THO W1/E Thermostat W1/E YO/D Bard #8403-060 Optional CO2 Controller Bard Part #8403-067 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
(TH311OD1040) or T4 Pro 8403-089 8403-058 (TH522OD1151) 8403-047 8403-059 (TH522OD1219/U) Electronic Humidistat or T6 Pro 8403-090 Optional CO2 Controller Bard Part #8403-067 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
The direction of rotation of the compressor may be easily be applied under any normal circumstances. changed by reversing any two line connections to the If the Bard air conditioning system is being set up unit. in a typical environment where 72°F is the lowest... -
Page 25: Vent Connection Plug
Vent Connection Plug High Pressure Detection LPC and HPC Status LEDs All units are equipped with a vent connection plug in Test Mode the side of the control panel for the different ventilation Brownout Protection with Adjustment packages to plug in to. If the compressor will not start Delay-on-Make Timer and there is no "Y1"... -
Page 26: Low Pressure Detection
Low Pressure Detection CC terminal energizes. The delay can be set to 500 milliseconds (A DIP switch), 1000 milliseconds (B DIP Low pressure switch monitoring allows for a lockout switch) or 1500 milliseconds (C DIP switch); time is condition in a situation where the switch is open. If not cumulative—only the longest setting will apply. -
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 Minimum Maximum No. Field Volts Maximum Field Circuit External Fuse or Field Power Ground MODEL Power Minimum & Ampacity Ckt. Breaker Wire Size Wire Size External... -
Page 33: Setting Unit Airflow
13. The higher speeds can also be used when higher taps. Each speed tap is programmed by Bard at the control relay(s) to the motor. b. If the motor has proper high voltage as identified sensible cooling is desired. -
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 27): 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: 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 36: 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 37: 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 CMA-39 LAC - On/Off CMA-42 Alarm Relay CMA-43 CMA-44 BOP5 Blank Off Plate FAD-NE5 Fresh Air Damper - No Exhaust FAD-BE5 Fresh Air Damper - Barometric Exhaust CRVF-5 Commercial Ventilator - On/Off, Spring Return... -
Page 38: 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 EHWA60C-A10 EHWA60CD-A10 EHWA60C-A15 EHWA60C-A20 EHWA60C-B06 EHWA60C-B09 EHWA60CD-B09 EHWA60C-B15 EHWA60CD-B15 EHWA60C-CO9 EHWA60C-C15 EHWA72C-A05 EHWA72CD-A05... - Page 39 GRAPH 1 W42AC FAD-NE5 W/O Exhaust Ventilation Delivery GRAPH 2 W48AC FAD-NE5 W/O Exhaust Ventilation Delivery Manual 2100-692 Page 39 of 40...
- Page 40 GRAPH 3 W60AC FAD-NE5 W/O Exhaust Ventilation Delivery GRAPH 4 W72AC FAD-NE5 W/O Exhaust Ventilation Delivery Manual 2100-692 Page 40 of 40...
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