Manual 2100-483EPage 2 of 59CONTENTSGetting Other Information and Publications .............. 4WG Series Model Nomenclature ............................... 5Ventilation Options .................................................... 5Air Conditioning Module Options ............................... 61. Important ............................................................ 62. Application .......................................................... 63. Duct Work .................................................... 6 & 94. High Altitude Applications ................................... 95. Transportation Damage ...................................... 96. Installation .......................................................... 97. Wall Mounting .................................................. 108. Mounting the Unit ............................................. 109. Clearances ....................................................... 1610. Vent Terminal and Combustion Inlet Hood ....... 1711. Optional Vertical Venting .................................. 1712. Vent Resizing Instructions ................................ 1813. Fresh Air Intake ................................................ 1814. Condensate Drain ............................................ 1815. Wiring – Main Power ........................................ 1916. Wiring – Low Voltage Wiring ............................ 2017. Thermostats ...................................................... 2018. Gas Supply & Piping ........................................ 2619. Manifold Pressure Adjustment .......................... 2720. Checking Gas Input Rate ......................... 27 & 2821. Standard Orifice Sizing & HighAltitude Derate .................................................. 2922. Conversion of Gas Input BTUH From Highto Low Rating ................................................... 3123. Measuring Air Temperature Rise ...................... 3124. Filters ................................................................ 3225. Compressor Control Module ..................... 32 & 3326. Lighting & Shutdown Instructions ..................... 3427. Service Agency Procedures ............................. 3528. Maintaining Unit in Good Working Order .. 35 & 3629. Replacement Parts ............................................ 3630. Sequence of Operation – Heating .................... 3731. Sequence of Operation – Cooling .................... 3732. Indoor Blower Operation .................................. 35Start UpApplication ........................................................ 40Important Installer Note .................................... 40Crankcase Heaters ........................................... 40High & Low Pressure Switch ............................ 40Three Phase Scroll Compressor ...................... 41TroubleshootingCompressor Solenoid ....................................... 42Fan Blade Setting Dimensions ......................... 42Removal of Fan Shroud ................................... 42GE ECMTM Motors ............................................ 43GE ECMTM Motors ............................................ 4433. Pressure Service Ports ..................................... 4534. R-410A Refrigerant Charge .............................. 4635. Low NOx Burner Assembly "N" SuffixModels Only – U.S. Installations Only .............. 46Index – Wiring Diagrams ......................................... 47Wiring Diagrams ............................................. 48 – 59Page Page