Manual 2100-511Page 2 of 27ContentsFiguresFigure 1 Fresh Air Damper Assembly ................... 5Figure 2 Unit Dimensions ...................................... 7Figure 3A Mounting Instructions .............................. 8Figure 3B Mounting Instructions - W18, W24, W30, W36 .... 9Figure 3C Mounting Instructions - W42, W48, W60 ..... 10Figure 4 Electric Heat Clearance ......................... 11Figure 5 Wall Mounting Instructions .................... 12Figure 6 Wall Mounting Instructions .................... 12Figure 7 Common Wall Mounting Installations .... 13Figure 8 Defrost Control Board ........................... 18Figure 9 Fan Blade Setting ................................. 21TablesTable 1 Troubleshooting .................................... 19Table 2 Fan Blade Dimension ............................ 21Table 3 Refrigerant Charge ............................... 21Table 4A Cooling Pressure .................................. 22Table 4B Heating Pressure .................................. 22Table 5 Electrical Specifications W**H .............. 23Table 6 Recommended Airflow .......................... 24Table 7 Indoor Blower Performance .................. 24Tables 8 Maximum ESP Electric Heat Only ........ 25Table 9 Electric Heat ......................................... 25Table 10 Optional Accessories ........................... 26Table 11 Vent & Control Options ......................... 27Getting 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 .................................................... 6Clearances Required ............................................... 6Minimum Clearances ............................................... 6Wiring – Main Power ............................................. 14Wiring – Low Voltage Wiring ................................. 14Start UpGeneral .............................................................. 15Topping Off System Charge ................................... 15Safety Practices ..................................................... 15Important Installer Note ......................................... 16Wall Mounted Air Conditioner ................................ 16Three Phase Scroll Compressor ............................ 16Phase Monitor ....................................................... 16Condenser Fan Operation ..................................... 16Service Hints ......................................................... 16Sequence of Operation .......................................... 17Pressure Service Ports .......................................... 17Defrost Cycle ......................................................... 17TroubleshootingSolid State Heat Pump Control .............................. 19Checking Temperature Sensor .............................. 20Fan Blade Setting Dimensions .............................. 21Removal of Fan Shroud ......................................... 21Refrigerant Charge ................................................ 21