Bard QA241D Installation Instructions Manual

Bard QA241D Installation Instructions Manual Manual pdf 2 page image

CONTENTSiFiguresFigure 1 Unit Dimensions .......................................... 6Figure 2 Air Seal on Bottom of Unit ........................... 7Figure 3 Removal of Unit From Skid ......................... 7Figure 4 Unit on Appliance Cart for Moving ............... 8Figure 5 Installation With Free Blow Plenum ............ 9Figure 6 Ducted Application ....................................... 9Figure 7 Supply Duct Connections .......................... 10Figure 8 Filter Location ............................................ 10Figure 9 Side Drain .................................................. 11Figure 10 Optional Rear Drain ................................... 11Figure 11 Rear Drain (Top View) ............................... 12Figure 12 Unit Mounting ............................................ 12Figure 13 Screws in Wheels of Unit .......................... 13Figure 14 Component Location ................................. 14Figure 15 Thermostat Plug Terminals ........................ 16Figure 16 Thermostat Wiring Diagram "X" Option .... 17Figure 17 Thermostat Wiring Diagram "G" Option ... 18Figure 18 Thermostat Wiring Diagram "E" Option .... 19Figure 19 Fresh Air Damper Removal ....................... 24Figure 20 QERV Removal ......................................... 25Figure 21 Air Conditioning Mode Circuit Diagram ..... 27Figure 22 Dehumidification Mode Circuit Diagram .... 27Figure 23 Fan Blade Setting ...................................... 30TablesTable 1 Factory Built-In Electric Heat Table .............. 3Table 2 Electrical Specifications ................................ 4Table 2A Electrical Specifications ................................ 5Table 3 Operating Voltage Range ........................... 14Table 4 Wall Thermostats and SubbaseCombinations .............................................. 16Table 5 Troubleshooting .......................................... 29Table 6 Fan Blade Dimensions ............................... 30Table 7 Super Heat at Compressor ......................... 30Table 8 Indoor Blower Performance ........................ 30Table 9 Cooling Pressure ........................................ 31Getting Other Information and PublicationsFor more information, contact these publishers: .......... 1QTEC General InformationQT EC Model Nomenclature .......................................... 2Shipping Damage ......................................................... 7Unit Removal From Skid .............................................. 7Handling Unit After Removal From Skid ....................... 8General ......................................................................... 8Minimum Installation Height ......................................... 8Duct Work .................................................................. 10Filters .......................................................................... 10Fresh Air Intake .......................................................... 11Condensate Drain ...................................................... 11Separate Evaporator Drain Connection ..................... 11Service Light ............................................................... 12Installation InstructionsMounting the Unit ....................................................... 13Wiring ó Main Power ................................................. 14Wiring ó Low Voltage Wiring ..................................... 14Low Voltage Connections ........................................... 15General ....................................................................... 15S tart UpDescription of Standard Equipment ............................... 20Optional CFM (QA361, QA421, QA481and QA601 Only) ........................................................... 20Important Installer Note .................................................. 20Phase Monitor ................................................................ 20Three Phase Scroll Compressor Start UpInformation ................................................................ 20Compressor Control Module .......................................... 21Adjustments ................................................................... 21Service Hints .................................................................. 21Mist Eliminator Service .................................................. 22Vent Options .................................................................. 22Sequence of Operation .................................................. 26CRV / QERV Operation .................................................. 26Optional Climate Controls Sequenceof Operation .............................................................. 26Pressure Service Ports .................................................. 26TroubleshootingTroubleshooting Table .................................................... 29Fan Blade Setting Dimensions ...................................... 30Refrigerant Charge ........................................................ 30Pressure Chart ............................................................... 31