Manual 2100-425BPage 2 of 21CONTENTSFiguresFigure 1 Unit Dimensions ..................................... 5Figure 2 Blower Damper Assembly ...................... 8Figure 3 Mounting Instructions ........................... 10Figure 4 Wall-Mounting Instructions .................. 12Figure 5 Wall-Mounting Instructions .................. 12Figure 6 Common Wall-Mounting Instructions ... 13Figure 7 Electric Heat Clearances ..................... 14Figure 8 Low Voltage Wiring .............................. 15Figure 9 Start-Up Label ...................................... 16Figure 10 Fan Blade Setting ................................ 19TablesTable 1 Electric Heat Table ................................. 4Table 2 Dimensions of Basic Unit ....................... 5Table 3 Electrical Specifications ......................... 6Table 4 Operating Voltage Range ..................... 11Table 5 Thermostat Wire Size ........................... 11Table 6 Wall Thermostat .................................... 11Table 7 Fan Blade Dimensions ......................... 19Table 8 Suction Line Temperatures .................. 19Table 9 CFM and ESP ...................................... 19Table 10 Indoor Blower Performance ................. 19Table 11 Maximum ESP of OperationElectric Heat Only ................................ 20Table 12 Cooling Pressure ................................. 20Table 13 Optional Accessories ........................... 21Getting Other Information and PublicationsFor more information, contact these publishers: ...... 3Wall Mount General InformationAir Conditioner Wall Mount Model Nomenclature .... 4Shipping Damage .................................................... 7General ............................................................... 7Duct Work ............................................................... 7Filters ............................................................... 8Fresh Air Intake ....................................................... 8Condensate Drain .................................................... 8Installation InstructionsWall Mounting Information ....................................... 9Mounting the Unit .................................................... 9Typical Installations ................................................. 9Wiring – Main Power ..................................... 9 & 10Wiring – Low Voltage Wiring ................................ 11Low Voltage Connections ....................................... 11Start UpImportant Installer Note ......................................... 16Crankcase Heaters ................................................ 16High Pressure Switch ............................................ 16Three Phase Scroll Compressor Start UpInformation ............................................................. 16Service Hints ......................................................... 17Sequence of Operation .......................................... 17Compressor Control Module .................................. 17Adjustments ........................................................... 18Phase Monitor ....................................................... 18Pressure Service Ports .......................................... 18TroubleshootingFan Blade Setting Dimensions .............................. 19Removal of Fan Shroud ......................................... 19Refrigerant Charge ................................................ 19Pressure Chart ...................................................... 20Optional Accessories ............................................. 21