Bard Q-TEC Q24A2 Installation Instructions Manual

Contents

Bard Q-TEC Q24A2 Installation Instructions Manual Manual pdf 2 page image

Manual 2100-600Page 2 of 38CONTENTSFiguresFigure 1 Unit Dimensions ........................................... 7Figure 2 Air Seal Under Unit ...................................... 8Figure 3 Removal of Unit From Skid .......................... 8Figure 4 Unit on Appliance Cart for Moving................ 9Figure 5 Installation With Free Blow Plenum ........... 10Figure 6 Ducted Application ..................................... 10Figure 7 Supply Duct Connections ............................11Figure 8 Filter Location..............................................11Figure 9 Optional Side Drain .................................... 13Figure 10 Standard Rear Drain .................................. 13Figure 11 Rear Drain (Top View) ................................ 13Figure 12A Optional Rear Drain Kit .............................. 14Figure 12B Optional Rear Drain Kit .............................. 15Figure 12C Optional Rear Drain Kit .............................. 16Figure 12D Optional Rear Drain Kit .............................. 17Figure 13A Unit Mounting ............................................. 18Figure 13B Unit Mounting ............................................. 18Figure 14 Removing Locking Screws from Wheels.... 19Figure 15 Component Location .................................. 20Figure 16 Thermostat Plug Terminals ........................ 22Figure 17 Thermostat Wiring Diagram "X" Option..... 23Figure 18 Thermostat Wiring Diagram "A" Option..... 24Figure 19 Thermostat Wiring Diagram "D" Option .... 25Figure 20 Thermostat Wiring Diagram "H" Option .... 26Figure 21 Fresh Air Damper Removal ........................ 32Figure 22 QERV Removal .......................................... 33Figure 23 CO2 Controller ............................................ 34Figure 24 Control Disassembly .................................. 36Figure 25 Winding Test............................................... 36Figure 26 Drip Loop.................................................... 36Figure 27 Fan Blade Setting....................................... 37TablesTable 1 Factory Built-In Electric Heat Table ............... 5Table 2 Electrical Specifications................................. 6Table 3 Operating Voltage Range ............................ 20Table 4 Wall Thermostats......................................... 22Table 5 Fan Blade Dimensions ................................ 37Table 6 Indoor Blower Performance......................... 37Table 7 Cooling Pressure ......................................... 38Getting Other Information and PublicationsFor more information, contact these publishers: ........... 3Q-Tec General InformationQ-Tec Model Nomenclature .......................................... 4Shipping Damage ......................................................... 8Unit Removal From Skid ............................................... 8Handling Unit After Removal From Skid ....................... 9General ......................................................................... 9Minimum Installation Height .......................................... 9Duct Work ....................................................................11Filters ...........................................................................11Fresh Air Intake ........................................................... 12Service Light ............................................................... 12Condensate Drain ....................................................... 12Optional Rear Drain Kit ............................................... 12Separate Evaporator Drain Connection ..................... 12Installation InstructionsMounting the Unit ........................................................ 19Wiring — Main Power .................................................. 20Wiring — Low Voltage Wiring ...................................... 20Opt. Climate Controls Sequence of Op. .............20 & 21Low Voltage Connections ........................................... 21General ....................................................................... 21Start UpR-410A Refrgerant.......................................................... 27Topping Off System Charge ........................................... 27Safety Practices.............................................................. 27Description of Standard Equipment ................................ 28Optional CFM (Q36A2, Q42A2, Q48A2 & Q60A2 Only) 28Important Installer Note .................................................. 28Phase Monitor ................................................................ 28Three Phase Scroll Compressor Start UpInformation.........................................................28 & 29Compressor Control Module........................................... 29Adjustments .................................................................... 29Service Hints ..........................................................29 & 30Mist Eliminator Service ................................................... 30Vent Options ...........................................................30 & 31Sequence of Operation................................................... 34Pressure Service Ports ................................................... 34TroubleshootingTroubleshooting GE ECM™ Blower Motors ..............35-36Fan Blade Setting Dimensions ....................................... 37Refrigerant Charge ......................................................... 37Pressure Chart ............................................................... 38