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Related Manuals for Bard H24A2-A
Summary of Contents for Bard H24A2-A
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Page 1: Installation Instructions
INSTALLATION INSTRUCTIONS WALL MOUNTED PACKAGED AIR CONDITIONER Models: H24A2-A H24L2-A H36A2-A H36L2-A H42A2-A H42L2-A H48A2-A H48L2-A H60A2-A H60L2-A Bard Manufacturing Company, Inc. Manual : 2100-585C Bryan, Ohio 43506 Supersedes: 2100-585B Date: 10-22-14 www.bardhvac.com Page 1 of 22... -
Page 2: Table Of Contents
CONTENTS Start Up ..............15 Getting Other Information and Publications ... 3 General ..............15 Topping Off System Charge ........15 Wall Mount General Information ......4 Safety Practices ............15 Wall Mount Model Nomenclature ......4 Important Installer Note ........... 15 Shipping Damage ............. -
Page 3: Getting Other Information And Publications
GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these THESE PUBLISHERS: at your local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard. -
Page 4: Wall Mount General Information
WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE – CONTROL MODULES REVISIONS MODEL SERIES (See Spec. Sheet) CAPACITY 24 - 2 Ton VOLTS & PHASE COIL OPTIONS 36 - 3 Ton A - 230/208/60/1 X - Standard COLOR OPTIONS 42 - 3½... -
Page 5: Duct Work
5/8 inch. Any grille that meets with 5/8 inch louver criteria may be used. It is recommended that Bard Return Air Grille Kit RG2W thru RG5W or RFG2W thru RFG5W be installed when no return duct is used. Contact distributor or factory for ordering information. -
Page 6: Installation
INSTALLATION WALL MOUNTING INFORMATION Clearances Required for Service Access and Adequate Condenser Airflow 1. Two holes for the supply and return air openings must be cut through the wall as shown in Figure 2. LEFT RIGHT DISCHARGE MODELS SIDE SIDE SIDE 2. -
Page 7: Figure 1 Unit Dimensions
FIGURE 1 Dimensions of Basic Unit for Architectural & Installation Requirements (Nominal) SUPPLY RETURN WIDTH DEPTH HEIGHT MODEL H24A, L 33.300 17.125 70.563 7.88 19.88 11.88 19.88 35.00 11.00 25.75 20.56 26.75 28.06 29.25 27.00 2.63 34.13 22.06 10.55 4.19 12.00 5.00 H36A, L... -
Page 8: Figure 2A H24 Mounting Instructions
Manual 2100-585C Page 8 of 22... -
Page 9: Figure 2B H36 Mounting Instructions
Manual 2100-585C Page 9 of 22... -
Page 10: Figure 2C H42, 48, 60 Mounting Instructions
Manual 2100-585C Page 10 of 22... -
Page 11: Figure 3 Electric Heat Clearance
FIGURE 3 ELECTRIC HEAT CLEARANCE NOTE 1: SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1/4 INCH CLEARANCE TO COMBUSTIBLE SURFACES. WARNING A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. This is required for the first 3 feet of ducting. -
Page 12: Figure 4 Wall Mounting Instructions
FIGURE 4 WALL MOUNTING INSTRUCTIONS WALL STRUCTURE SEE FIGURE 3 – 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 WOOD OR STEEL SIDING BRACKET. -
Page 13: Figure 6 Common Wall Mounting Installations
FIGURE 6 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 14: Wiring - Main Power
WIRING – MAIN POWER “3” COM lockout alarm. “4” & “5” dirty filter alarm NC (normally closed). Refer to the unit rating plate for wire sizing information and “6” Used with MD4000 only; do not use for anything else! maximum fuse or circuit breaker size. Each outdoor unit is marked with a “Minimum Circuit Ampacity”. -
Page 15: Start Up
10. Never trap liquid R-410A in manifold sets, gauge TOPPING OFF SYSTEM CHARGE lines or cylinders. R-410A expands significantly If a leak has occurred in the system, Bard at warmer temperatures. Once a cylinder or line is Manufacturing recommends reclaiming, evacuating... -
Page 16: Condenser Fan Operation
CONDENSER FAN OPERATION High Pressure Switch and Lockout Sequence If the high pressure switch opens, the compressor NOTE: Certain models may be equipped with a contactor will de-energize immediately. The lockout timer Low Ambient Control (LAC), and if so equipped the will go into a soft lockout and stay in soft lockout until condenser fan motor will have delay start until system the high pressure switch closes and the delay on break... -
Page 17: Figure 7 Fan Blade Setting
SERVICE REMOVAL OF FAN SHROUD FAN BLADE SETTING DIMENSIONS 1. Disconnect all power to the unit. Shown in Figure 7 is the correct fan blade setting for proper air delivery across the outdoor coil. Refer to 2. Remove the screws holding both grilles, one on Table 1 for unit specific dimension. -
Page 18: Table 2 Cooling Pressure
TABLE 2 COOLING PRESSURE Air Temperature Entering Outdoor Coil °F Return Air Temp (DB/ Model Pressure Low Side 75/62 High Side Low Side H24A/L 80/67 High Side Low Side 85/72 High Side Low Side 75/62 High Side Low Side H36A/L 80/67 High Side Low Side... -
Page 19: Table 3A Electrical Specifications H**A Series
TABLE 3A ELECTRICAL SPECIFICATIONS H**A SERIES Single Circuit Dual Circuit Minimum Maximum Rated Field Maximum Field Circuit External Fuse Field Power Ground MODEL Volts & Minimum Power External Power Ground Ampacity or Ckt. Breaker Wire Size Wire Size Phase... -
Page 20: Table 4 Recommended Airflow
TABLE 4 RECOMMENDED AIRFLOW Nominal Nominal Recommended Factory Speed Model Rated Rated Airflow Range Connection CFM* ESP* H24A, H24L 700 - 950 Single H36A, H36L 1100 930 - 1350 High H42A, H42L 1400 1600 - 1150 High H48A, H48L 1550 1750 - 1285 High H60A, H60L... -
Page 21: Table 7 Electric Heat
TABLE 7 ELECTRIC HEAT 240V-1 208V-1 Models (KW) Amps BTUH Amps BTUH 16.7 13650 14.4 10240 20.8 17065 18.1 12800 33.3 27300 28.8 20475 41.6 34130 36.2 25600 62.5 51250 54.0 38400 83.2 68260 72.1 51200 TABLE 8 OPTIONAL ACCESSORIES Right Hand Units Left Hand Units EHWA02-A05... -
Page 22: Table 9 Vent And Control Options
TABLE 9 VENT AND CONTROL OPTIONS Part Number Description CMC-14 CMC-15 Start Kit (230V 1-Phase) CMC-23 CMC-24 CMC-28 BOP-2 Blank Off Plate EWM2-E Economizer - Bldg. Equipment, Enthalpy EWM2-T Economizer - Bldg. Equipment, DB Temp. BOP-3 Blank Off Plate EWM3-E Economizer - Bldg.