AAON CF Series - Page 88

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December 2021

Added microchannel condenser coil option to Feature A2. Added 10kAIC option to Feature 16.

Added Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values table.

Added microchannel cleaning section. Added Estimated R410A Refrigerant Charge per 5ft table

to help with initial charge estimates based on refrigerant line lengths. Updated values in the

Charge to Flood Condenser Coil for Ambient Above 70°F table and added a table for

microchannel condenser coils.

July 2022

Added the clarification that “ACR” rigid copper tubing must be used for connecting copper.

December 2022

Added obsolete options in the feature string nomenclature for historical reference. Added Two-

Stage Refrigeration system options M and N to Model Option A5.

September 2023

Added all information pertaining to UL-60335 standard. Included metric units with all imperial

units. Added R-454b P.T. tables.

Main Page

Table of Contents2
Figure 1 - Forklifting a CF Series a Cabinet17
Figure 2 - Forklifting a CF Series B and C Cabinet17
Table 1 - Clearances for Proper Operation18
Table 2 - Clearances for Coil Pull18
Figure 3 - Lifting Details and Orientation of a CF Series 9-70 Ton Condensing Unit18
Figure 4 - Orientation of Series 2-7 Ton Condensing Unit18
Figure 5 - CU Evacuation Connections20
Figure 6 - CU Evacuation Connections21
Table 3 - Acceptable Fin & Tube Refrigeration Circuit Values23
Table 4 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values24
(Metric)24
(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
F & Superheat=1030
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
Figure 7 - Adjustable Fan Cycling Switch32
Figure 8 - LAC Piping Example33
Figure 9 - Double Suction Riser Construction36
Figure 10 - Heat Pump Piping Schematic of Cooling Mode in Double Riser39
Figure 11 - Heat Pump Piping Schematic of Heating Mode in Double Riser39
Figure 12 - Oil Return Line41
Table 14 - Nameplate Voltage Markings & Tolerances42
Table 15 - 35 KAIC Fuse Sizing44
Table 16 - 65 KAIC Fuse Sizing44
Figure 13 - Variable Capacity Compressor Controller45
Table 17 - Demand Signal Vs. Compressor Capacity Modulation46
Table 18 - Thermistor Temperature Vs. Resistance Values47
Figure 14 - Compressor Controller Flash Code Details47
Figure 16 - Ambient Sensor Cover48
Figure 15 - Adjustable Compressor Lockout48
Table 19 - Max Filter Drier Pressure Drops49
Figure 17 - A/C Split System Piping, Suction down57
Figure 18 - A/C Split System Piping, Suction up58
Figure 19 - A/C with LAC Split System Piping, Suction down59
Figure 20 - A/C with LAC Split System Piping, Suction up60
Figure 21 - A/C with Modulating Hot Gas Reheat Split System Piping, Suction down61
Figure 22 - A/C with Modulating Hot Gas Reheat Split System Piping, Suction up62
Figure 23 - A/C with Modulating Hot Gas Reheat Split + LAC System Piping, Suction down63
Figure 24 - A/C with Modulating Hot Gas Reheat Split + LAC System Piping, Suction up64
Figure 25 - A/C with Hot Gas Bypass Split System Piping, Suction down65
Figure 26 - A/C with Hot Gas Bypass Split System Piping, Suction up66
Figure 27 - A/C with Hot Gas Bypass + LAC Split System Piping, Suction down67
Figure 28 - A/C with Hot Gas Bypass + LAC Split System Piping, Suction up68
Figure 29 - A/C with Modulating Hot Gas Reheat and Hot Gas Bypass Split System Piping69
Suction down69
Figure 30 - A/C with Modulating Hot Gas Reheat and Hot Gas Bypass Split System Piping70
Suction up70
Figure 31 - A/C with Modulating Hot Gas Reheat and Hot Gas Bypass + LAC Split System Piping, Suction down71
Figure 32 - A/C with Modulating Hot Gas Reheat and Hot Gas Bypass + LAC Split System Piping, Suction up72
Figure 33 - Heat Pump Split System Piping, Suction down73
Figure 34 - Heat Pump Split System Piping, Suction up74
Figure 35 - Heat Pump with Modulating Hot Gas Reheat Split System Piping, Suction down75
Figure 36 - Heat Pump with Modulating Hot Gas Reheat Split System Piping, Suction up76
Figure 37 - Heat Pump with Hot Gas Bypass Split System Piping, Suction down77
Figure 38 - Heat Pump with Hot Gas Bypass Split System Piping, Suction up78
Figure 39 - Heat Pump with Modulating Hot Gas Reheat and Hot Gas Bypass Split System Piping, Suction down79
Figure 40 - Heat Pump with Modulating Hot Gas Reheat and Hot Gas Bypass Split System Piping, Suction up80

AAON CF Series - Page 88

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