AAON V3 Series - Page 73

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Literature Change History

November 2022

New V3 Series IOM for UL60335.

May 2023

Added metric conversions equivalents in text and tables. Added new warning labels. Added

safety statements from UL 60335. Added KAIC tables for fuse sizing. Removed gas heating

information.

Main Page

Table of Contents2
Safety6
H3 Base Model Description11
General Information17
Codes and Ordinances18
Receiving Unit18
Storage19
Wiring Diagrams19
Installation19
Locating the Unit19
Figure 1 - Lockable Handle19
Table 1 - H3 Series Clearances (Metric)20
Table 2 - H3 Series Clearances (Imperial)20
Table 3 - Coil Removal Clearances20
Figure 2 -Minimum Clearance Required for Access to Unit (H3 Series Plan View)20
Figure 3 - H3 Internal Control Panel with Top Access Panel Removed21
Figure 4 - H3 Series Platform Suspension Installation21
Figure 5 - H3 Series Parallel Beam Suspension Installation22
Figure 6 - H3 Series Unit Orientation22
Lifting and Handling the Unit23
Unit Assembly23
Figure 7 - H3 Schematic with (1) Mixing Box, (2) Air Handler, and (3) Final Filter23
Figure 8 - Low & High Voltage Quick Connect23
Figure 9 - Apply Gasket24
Figure 10 - Connect Sections24
Figure 11 - Bar Clamp24
Control Box25
Figure 12 - Flange Overlap25
Figure 13 - Self-Tapping Screw25
Figure 14 - Back View External Control Box25
Electrical26
Table 4 - Nameplate Voltage Markings & Tolerances26
Figure 15 - External Control Box Electrical Connections26
Figure 16 - H3 Internal Control Panel Electrical Connections27
Duct Connection29
Condensate Drain Pans29
Table 5 - Control Wiring29
Table 6 - 35 KAIC Fuse Sizing29
Table 7- 65 KAIC Fuse Sizing29
Condensate Drain Piping30
Figure 17 - Drain Trap30
Startup31
Filters31
Supply Fans31
Fan Air Flow Adjustment31
Table 8 - Drain Trap Dimensions (Metric)31
Table 9 - Drain Trap Dimensions (Imperial)31
Figure 18 - Typical Wiring Diagram with EC Motor32
Figure 19 - Shows the Jumper that Is to be Removed (Jumped between S1 and S2)32
Figure 20 - Potentiometer32
Operation33
Thermostat Operation33
Split System DX Cooling Operation and Control33
Chilled Water or Non-Compressorized DX Cooling Operation33
Steam or Hot Water Preheating Operation33
Electric Heating Operation33
Maintenance33
DX Cooling34
Condensate Drain Pans34
Winterizing Coils34
Supply Fans34
E-Coated Coil Cleaning34
Options36
Heating Coils36
Table 10 - Steam Distributing Coil Sweat Connection Sizes36
Figure 21 - Steam Distributing Piping36
Chilled Water Coil37
Table 11 - Hot Water Coil Sweat Connection Sizes37
Table 12 - Chilled Water Coil Sweat Connection Sizes37
Table 13 - Minimum and Maximum Coil Pressures and Temperatures37
Figure 22 - Hot & Chilled Water Piping37
Direct Expansion (DX) Systems38
Evaporator Coil39
Thermal Expansion Valve39
Hot Gas Reheat39
Hot Gas Bypass39
Figure 23 - TXV Bulb Position39
Purge Circuit40
Adjusting Refrigerant Charge40
Figure 24 - Hot Gas Purge Circuit40
Table 14 - Acceptable Refrigeration Circuit Values41
Table 15 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values42
Table 16 - Acceptable Microchannel Air-Cooled Condenser Coil Liquid Sub-Cooling Values42
Table 17 - R-410A Refrigerant Temperature-Pressure Chart (Metric)44
Table 18 - R-410A Refrigerant Temperature-Pressure Chart (Imperial)45
Table 19 - R-454B Refrigerant Temperature-Pressure Chart (Metric)46
Table 20 - R-454B Refrigerant Temperature-Pressure Chart (Imperial)47
Energy Recovery Units48
Initial Mechanical Check and Setup48
Figure 25 - Energy Recovery Wheel48
Figure 26 - Lifting Hole Locations48
Polymer Energy Recovery Wheel49
Figure 27 - Polymer Energy Recovery Wheel49
Figure 28 - Wheel Segment Removal Pattern53
Energy Recovery Wheel General Cleaning56
Figure 29 - H3 a or B Cabinet Energy Recovery Wheel58
Figure 30 - H3 a or B Cabinet Outside Air Filter Access58
Figure 31 - H3 C Cabinet Energy Recovery Wheel59
Figure 32 - H3 C Cabinet Outside Air Filter Access59
Figure 33 - H3 D or E Cabinet Energy Recovery Wheel59
Electric Heating60
Table 21 - Electric Heating Capacities60
Phase and Brownout Protection Module61
Filter Replacement63
Replacement Parts63
Aaon63
Filter Information66
Table 22 - H3 Series a Cabinet Unit Filters66
Table 23 - H3 Series B Cabinet Unit Filters66
Table 24 - H3 Series C Cabinet Unit Filters67
Table 25 - H3 Series D Cabinet Unit Filters67
Table 26 - H3 Series E Cabinet Unit Filters68
Table 27 - H3 Series a Cabinet Final Filters68
Table 28 - H3 Series B Cabinet Final Filters68
Table 29 - H3 Series C Cabinet Final Filters69
Table 30 - H3 Series D Cabinet Final Filters69
Refrigerant Piping Diagrams70
Table 31 - H3 Series E Cabinet Final Filters70
Table 32 - H3 Series Energy Recovery OA Filters (Feature 13 ≠ 0)70
Table 33 - H3 Series Energy Recovery RA Filters (Feature 13 ≠ 0)70
H3 Series Startup Form71
Maintenance Log76
Maintenance Log (E-Coated Coil)77
Literature Change History78

AAON V3 Series - Page 73

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