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AAON CF Series - Table of Contents

AAON CF Series
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2
Table of Contents
i
Index of Tables and Figures
Tables:
Table 1 - Clearances for Proper Operation ................................................................................... 18
Table 2 - Clearances for Coil Pull ................................................................................................. 18
Table 3 - Acceptable Fin & Tube Refrigeration Circuit Values ................................................... 23
Table 4 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values
(Metric) ......................................................................................................................................... 24
Table 5 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values
(Imperial) ...................................................................................................................................... 24
Table 6 - R-410A Refrigerant Temperature-Pressure Chart (Metric) .......................................... 26
Table 7 - R-410A Refrigerant Temperature-Pressure Chart (Imperial) ........................................ 27
Table 8 - R-454B Refrigerant Temperature-Pressure Chart (Metric) ........................................... 28
Table 9 - R-454B Refrigerant Temperature-Pressure Chart (Imperial) ........................................ 29
Table 10 - Estimated R410A Refrigerant Charge per 5 ft at SCT = 115
o
F & Subcooling = 10
o
F,
SST = 45
o
F & Superheat=10
o
F ..................................................................................................... 30
Table 11 - Charge to Flood Fin and Tube Condenser Coil for Ambient Above 21.3°C (70°F) .. 31
Table 12 - Charge to Flood Microchannel Condenser Coil for Ambient Above 21.3°C (70°F) .. 31
Table 13 - % Charge to Flood Condenser Coil for Ambient Below 21.3°C (70°F) ..................... 31
Table 14 - Nameplate Voltage Markings & Tolerances ............................................................... 42
Table 15 – 35 KAIC Fuse Sizing .................................................................................................. 44
Table 16 – 65 KAIC Fuse Sizing .................................................................................................. 44
Table 17 - Demand Signal vs. Compressor Capacity Modulation ................................................ 46
Table 18 - Thermistor Temperature vs. Resistance Values .......................................................... 47
Table 19 - Max Filter Drier Pressure Drops ................................................................................. 49
Figures:
Figure 1 - Forklifting a CF Series A Cabinet ................................................................................ 17
Figure 2 - Forklifting a CF Series B and C Cabinet ..................................................................... 17
Figure 3 - Lifting Details and Orientation of a CF Series 9-70 ton Condensing Unit .................. 18
Figure 4 - Orientation of Series 2-7 ton Condensing Unit ............................................................ 18
Figure 5 - CU evacuation connections .......................................................................................... 20
Figure 6 - CU evacuation connections .......................................................................................... 21
Figure 7 - Adjustable Fan Cycling Switch .................................................................................... 32
Figure 8 - LAC Piping Example ................................................................................................... 33
Figure 9 - Double Suction Riser Construction .............................................................................. 36
Figure 10 - Heat Pump Piping Schematic of Cooling Mode in Double Riser .............................. 39
Figure 11 - Heat Pump Piping Schematic of Heating Mode in Double Riser .............................. 39
Figure 12 - Oil Return Line .......................................................................................................... 41
Figure 13 - Variable Capacity Compressor Controller ................................................................. 45
Figure 14 - Compressor Controller Flash Code Details................................................................ 47
Figure 15 - Adjustable compressor lockout .................................................................................. 48

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