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Summary of Contents for Bard HA4S4KA
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Page 1: Installation Instructions
INSTALLATION INSTRUCTIONS WALL-MOUNTED PACKAGED AIR CONDITIONER Models: HA4S4KA HL4S4KA HA5S4KA HL5S4KA MIS-2498 MIS-2498 Bard Manufacturing Company, Inc. Manual: 2100-646 Supersedes: NEW Bryan, Ohio 43506 Date: 9-3-15 www.bardhvac.com Page 1 of 26... -
Page 2: Table Of Contents
CONTENTS Getting Other Information and Publications Start Up ..............14 General ............. 14 Wall Mount General Information ......4 Topping Off System Charge ......... 14 Air Conditioner Wall Mount Model Nomenclature ..4 Safety Practices ..........14 Shipping Damage ..........7 Important Installer Note ........ -
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 CONTROL MODULES MODEL NUMBER REVISION J – Only HA – Right Hand HL – Left Hand K – Accumulator COIL OPTIONS X – Standard 1 – Phenolic Coated VENTILATION OPTIONS VOLTS &... -
Page 5: Figure 1 Unit Dimensions
TABLE 2 Dimensions of Basic Unit for Architectural and Installation Requirements (Nominal) Supply Return Width Depth Height Unit HA4S4 HL4S4 42.075 22.432 94.875 9.88 29.88 15.88 29.88 43.88 19.10 41.66 30.00 42.68 36.94 44.69 42.43 3.37 43.00 33.88 10.00 1.44 16.00 21.00 1.88 HA5S4 HL5S4 All dimensions in inches. -
Page 6: Table 3 Electrical Specifications
Manual 2100-646 Page 6 of 26... -
Page 7: Shipping Damage
Any grille that meets the 5/8" louver criteria, may be having jurisdiction should be consulted before the used. It is recommended that Bard Return Air Grille installation is made. See page 3 for information on Kit RG-5 or RFG-5 be installed when no return duct codes and standards. -
Page 8: Installation
INSTALLATION WALL MOUNTING INFORMATION 3. Locate and mark lag bolt locations and bottom mounting bracket location (see Figure 4). 1. Two holes, for the supply and return air openings, 4. Mount bottom mounting bracket. must be cut through the wall as shown in Figure 3. 5. -
Page 9: Figure 2 Mounting Instructions
The unit rating plate lists a “Maximum Time Delay bend the tab located in the bottom left hand corner of Relay Fuse” or circuit breaker that is to be used with the disconnect opening under the disconnect access the equipment. The correct size must be used for panel straight out. -
Page 10: Figure 3 Wall Mounting Instructions
FIGURE 3 Wall Mounting Instructions WALL STRUCTURE 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 WOOD OR STEEL SIDING BRACKET. -
Page 11: Figure 5 Common Wall Mounting Installations
FIGURE 5 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 12: Wiring - Low Voltage Wiring
FIGURE 6 Electric Heat Clearance NOTE: 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. This is required for the first 3' of ducting. -
Page 13: Dirty Filter Switch And Relay
DIRTY FILTER SWITCH AND RELAY ECONOMIZER FAIL TIME DELAY RELAY These units include an adjustable dirty filter indicator NOTE: Applies only to units with economizers. switch. This switch if connected to normally closed These units employ a time delay relay to open the contacts on the filter relay wired to terminals 10 and nomally closed contacts at terminals 12 and 13 on the 11 on the low voltage terminal block. -
Page 14: Start Up
IMPORTANT INSTALLER NOTE TOPPING OFF SYSTEM CHARGE For improved start up performance, wash the indoor If a leak has occurred in the system, Bard coil with a dishwasher detergent. Manufacturing recommends reclaiming, evacuating (see criteria above) and charging to the nameplate charge. -
Page 15: Sequence Of Operation
COMPRESSOR CONTROL MODULE site variables. Telecommunication type installations in high traffic areas or in areas with The compressor control module is standard on the frequent airborne debris will require more frequent models covered by this manual. The compressor control coil maintenance than those in areas not subject is an anti-short cycle/lockout timer with high and low to those conditions. -
Page 16: Motor Start Device
High Pressure Switch and Lockout Sequence 0.5 minute (30 seconds) DOB = 123 second DOM 1.0 minute (60 seconds) DOB = 126 second DOM If the high pressure switch opens, the compressor 2.0 minute (120 seconds) DOB = 132 second DOM contactor will de-energize immediately. -
Page 17: Figure 7 Start Up Label
The decal in Figure 7 is affixed to all model units detailing start up procedure. This is very important. Please read carefully. FIGURE 7 Start Up Label IMPORTANT These procedures must be followed at initial start up and at any time power has been removed for 12 hours or longer. -
Page 18: Figure 8 Fan Blade Setting
SERVICE COMPRESSOR SOLENOID FAN BLADE SETTING DIMENSIONS The correct fan blade setting dimensions for proper air A nominal 24-volt direct current coil activates the delivery across the outdoor coil are shown in Figure 8. internal compressor solenoid. The input control circuit voltage must be 18 to 28 VAC. -
Page 19: R-410A Refrigerant Charge
R-410A REFRIGERANT CHARGE This unit was charged at the factory with the quantity of refrigerant listed on the serial plate. AHRI capacity and efficiency ratings were determined by testing with this refrigerant charge quantity. The following pressure tables show nominal pressures for the units. -
Page 20: Troubleshooting Ge Ecm Tm Motors
TROUBLESHOOTING GE ECM MOTORS CAUTION: Symptom Cause/Procedure • Noisy blower or cabinet • Check for loose blower housing, Disconnect power from unit before removing or replacing panels, etc. connectors, or servicing motor. To avoid electric shock • High static creating high blower speed? from the motor’s capacitors, disconnect power and wait at - Check for air whistling through seams... -
Page 21: Figure 9 Control Disassembly
Replacing ECM Control Module The two through-bolts provided with the replacement ECM 2.3 control are shorter than the bolts originally removed To replace the control module for the GE variable-speed indoor blower from the ECM 2.0 control and must be used if secure motor, take the following steps: attachment of the control to the motor is to be achieved. -
Page 22: Optional Accessories
TABLE 7 Indoor Blower Performance Continuous Rated 1st Rated 2nd 5-10 KW 15-20 KW Model Rated ESP Max ESP Stage CFM Stage CFM HA/L4S4 0.20 0.80 1100 1500 1100 1500 HA/L5S4 0.20 0.80 1300 1700 1100 1500... - Page 23 This page intentionally left blank Manual 2100-646 Page 23 of 26...
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Page 24: Figure 12 H***S4 Wiring Diagram - Top
FIGURE 12A H**S4 Wiring Diagram – Top Manual 2100-646 Page 24 of 26... -
Page 25: Figure 13 H***S4 Wiring Diagram - Bottom
FIGURE 12B H**S4 Wiring Diagram – Bottom Manual 2100-646 Page 25 of 26... -
Page 26: Figure 14 H***S4 Low Voltage Ladder Diagram For Unit And Mv Connections
FIGURE 13 H**S4 Low Voltage Ladder Diagram for Unit and MV Connections Blk/Wht Filter Light Pin 6 on Vent Plug Low Voltage Pin 9 on Vent Plug Terminal Strip Controller Rd/W Bk/W R on Red/Wht Filter Compressor Switch Control Module Filter Reset Button Org/Blk Red/Wht...
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