AAON V3 Series - Page 74

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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 74

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