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Manuals and User Guides for AAON V3-E. We have
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AAON V3-E manual available for free PDF download: Installation, Operation & Maintenance Instructions Manual
AAON V3-E Installation, Operation & Maintenance Instructions Manual (84 pages)
V3 Series Vertical Indoor Air Handling Units
Brand:
AAON
| Category:
Air Handlers
| Size: 3.21 MB
Table of Contents
Table of Contents
2
Safety
6
V3 Base Model Description
11
General Information
17
Codes and Ordinances
18
Receiving Unit
18
Storage
19
Direct Expansion (DX) Systems
19
Figure 1 - Lockable Handle
19
Gas or Electric Heating
20
Wiring Diagrams
20
Condensate Drain Pans
20
Installation
21
Locating the Unit
21
Table 1 - Electric and Gas Heating Capacities
21
Figure 2 - High Efficiency Gas Heater
21
Table 2 - V3 Series Clearances
22
Figure 3 - Minimum Clearance Required for Access to Unit (V3 Series Plan View)
22
Figure 4 - V3 Internal Control Panel with Rear Removable Access Panel Shown
23
Figure 5 - V3 Series Unit Orientation
23
Lifting and Handling the Unit
24
Unit Assembly
24
Figure 6 - V3 Schematic with (1) Exhaust Fan, (2) Energy Recovery, (3) Air Handler, and
24
Figure 7 - Low & High Voltage Quick Connect
24
Figure 8 - Connect Sections
25
Figure 9 - Bar Clamp
25
Figure 10 - Flange Overlap
25
Figure 11 - Self-Tapping Screw
25
Control Box
26
Duct Connection
26
Condensate Drain Piping
26
Figure 12 - Back View External Control Box
26
Figure 13 - Drain Trap
26
Heating Coils
27
Table 3 - Drain Trap Dimensions
27
Table 4 - Steam Distributing Coil Sweat Connection Sizes
27
Table 5 - Hot Water Coil Sweat Connection Sizes
27
Figure 14 - Steam Distributing Piping
27
Chilled Water Coil
28
Table 6 - Chilled Water Coil Sweat Connection Sizes
28
Figure 15 - Hot & Chilled Water Piping
28
Evaporator Coil
29
Thermal Expansion Valve
29
Hot Gas Reheat
29
Hot Gas Bypass
29
Figure 16 - TXV Bulb Position
29
Purge Circuit
30
Energy Recovery Units
30
Figure 17 - Hot Gas Purge Circuit
30
Figure 18 - Energy Recovery Wheel
30
Figure 19 - Cross Section of Air Seal Structure
31
Initial Mechanical Check and Setup
31
Cleaning
32
Figure 20 - Lifting Hole Locations
32
Routine Maintenance and Handling
32
Wheel Drive Components
33
Figure 21 - Avoid Racking of Cassette Frame
34
Figure 22 - Diameter Seal Adjustment
34
Startup Procedure
34
Figure 23 - Hub Seal Adjustment
35
Figure 24 - Segment Retainer
35
Figure 25 - Segment Installation
35
Service
35
Electrical
37
Figure 26 - Belt Replacement
37
Figure 27 - External Control Box Electrical Connections
38
Figure 28 - V3 Internal Control Panel Electrical Connections
38
Gas Heating
40
Unit Location and Clearances
40
Table 7 - Control Wiring
40
Condensate Drain Piping
41
Condensate Neutralization
41
Figure 29 - Gas Heat Condensate Trap
41
General Venting
42
Figure 30 - Condensate Neutralizer Kit
42
Open Combustion Venting
43
Table 8 - Open Combustion Venting
43
Separated Combustion Venting
44
Table 9 - Equivalent DWV Fittings Length
44
Figure 31 - Open Combustion Venting
44
Gas Supply, Piping and Connections
45
Figure 32 - Separated Combustion Venting
45
Table 10 - Natural Gas (Ft 3 /Hr) Maximum Piping Capacities
46
Table 11 - Propane (Kbtu/Hr) Maximum Piping Capacities
46
Table 12 - Gas Inlet Pressure
46
Table 13 - Manifold Pressure
46
Piping Sizing Examples
47
Inlet and Manifold Pressures
47
Gas Pressure Regulator & Overpressure Protection Device
47
Piping Supports
47
Table 14 - Gas Piping Supports
47
Additional Gas Piping Considerations
48
Leak Testing
48
Figure 33 - Sediment Trap for Gas Heat
48
Startup
50
Filters
50
Supply Fans
50
Fan Air Flow Adjustment
50
Figure 34 - Typical Wiring Diagram with EC Motor
50
Adjusting Refrigerant Charge
51
Figure 35 - Shows the Jumper that Is to be Removed (Jumped between 9 and GS)
51
Figure 36 - Potentiometer
51
Table 15 - Acceptable Refrigeration Circuit Values
52
Table 16 - R-410A Refrigerant Temperature-Pressure Chart
54
Gas Heater
55
Figure 37 - Gas Heater Instructions
55
Figure 38 - Gas Control Switch
56
Figure 39 - Natural Gas Flame
57
Figure 40 - Propane Gas Flame
57
Operation
58
Thermostat Operation
58
Split System DX Cooling Operation and Control
58
Chilled Water or Non-Compressorized DX Cooling Operation
58
Steam or Hot Water Preheating Operation
58
Electric Heating Operation
58
Gas Heater Operation
58
Gas Heater Operating and Safety Instructions
59
Shutdown
59
Table 17 - Gas Heat Ignition Times
59
Table 18 - Ignition Control Sequence of Operation
60
Figure 41 - Flame Sensor Current Check
60
Figure 42 - Ignition Control Module
61
Figure 43 - Safety Switches
61
Figure 44 - Rollout Switch
61
Table 19 - Gas Heater LED Diagnostics
62
Figure 45 - High Limit Switch in Air Stream
62
Figure 46 - High Limit Switch on Fan Housing
62
Maintenance
63
DX Cooling
63
Condensate Drain Pans
63
Table 20 - Gas Heater Troubleshooting Guide
63
Gas Heating
64
Furnace Maintenance
65
E-Coated Coil Cleaning
67
Winterizing Coils
69
Supply Fans
69
Phase and Brownout Protection Module
70
Filter Replacement
72
Replacement Parts
72
AAON Technical Support
72
Table 21 - V3 Series E Cabinet Pre-Filters
73
Filter Information
73
Table 22 - V3 Series a Cabinet Unit Filters
74
Table 23 - V3 Series B Cabinet Unit Filters
74
Table 24 - V3 Series C Cabinet Unit Filters
75
Table 25 - V3 Series D Cabinet Unit Filters
75
Table 26 - V3 Series Energy Recovery OA Filters (Feature 13 = A-V)
75
Refrigerant Piping Diagrams
76
V3 Series Startup Form
77
Maintenance Log
82
Literature Change History
83
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