Bard T24H1 Installation Instructions Manual

Also see for T24H1: Installation instructions

Contents

Bard T24H1 Installation Instructions Manual Manual pdf 2 page image

Manual 2100-541CPage 2 of 28ContentsFiguresFigure 1 Fresh Air Damper Assembly ................... 5Figure 2 Unit Dimensions ...................................... 7Figure 3A Mounting Instructions T24 & 30 .............. 8Figure 3B Mounting Instructions T36, 42, 48 ........... 9Figure 4 Electric Heat Clearance ........................ 10Figure 5 Wall Mounting Instructions ..................... 11Figure 6 Wall Mounting Instructions ..................... 11Figure 7 Common Wall Mounting Installations .... 12Figure 8 Compressor Cutoff ................................ 14Figure 9 Compressor Cutoff ................................ 14Figure 10 Electric Heat Hold-Off Wiring ................ 15Figure 11 Electric Heat Hold-Off Wiring ................ 15Figure 12 Defrost Control Board ........................... 19Figure 13 Fan Blade Setting ................................. 22Figure 14 Control Disassembly ............................. 28Figure 15 Winding Test ......................................... 28Figure 16 Drip Loop .............................................. 28TablesTable 1 Clearances Required .............................. 6Table 2 Min. Clearances Required ...................... 6Table 3 Troubleshooting .................................... 20Table Temperature F vs. Resistance .............. 21Table 4 Fan Blade Dimension ............................ 22Table 5A Cooling Pressure .................................. 23Table 5B Heating Pressure .................................. 23Table 6A Electrical Specifications T**H ................ 24Table 6B Electrical Specifications T**H Dehum. .. 25Table 7 Indoor Blower Performance .................. 26Getting Other Information and Publications 3Wall Mount General InformationWall Mount Model Nomenclature ............................ 4Shipping Damage .................................................... 4General ................................................................ 4Duct Work ................................................................ 5Filters ................................................................ 5Fresh Air Intake ....................................................... 5Condensate Drain .................................................... 5Installation InstructionsWall Mounting Information ....................................... 6Mounting the Unit .................................................... 6Placement ................................................................ 6Clearances Required ............................................... 6Minimum Clearances ............................................... 6Wiring – Main Power ............................................. 13Wiring – Low Voltage Wiring ................................. 13Optional Outdoor T-Stat Applications ..................... 14Start UpGeneral .............................................................. 16Topping Off System Charge ................................... 16Safety Practices ..................................................... 16Important Installer Note ......................................... 17High & Low Pressure Switch ................................. 17Three Phase Scroll Compressor ............................ 17Phase Monitor ....................................................... 17Service Hints ......................................................... 17Sequence of Operation .......................................... 18Pressure Service Ports .......................................... 18Defrost Cycle ......................................................... 18TroubleshootingSolid State Heat Pump Control .............................. 20Checking Temperature Sensor .............................. 21Fan Blade Setting Dimensions .............................. 22Removal of Fan Shroud ......................................... 22R-410A Refrigerant Charge ................................... 22Troubleshooting GE ECM Motors .......................... 27Troubleshooting GE ECM Motors .......................... 28