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SA-030
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1
AAON SA-030 manual available for free PDF download: Installation Operation & Maintenance
AAON SA-030 Installation Operation & Maintenance (64 pages)
SA SERIES Vertical Self - Contained Units and Indoor Air Handling Units
Brand:
AAON
| Category:
Air Handlers
| Size: 1.32 MB
Table of Contents
Table of Contents
3
Safety
6
SA Series Feature String Nomenclature
11
General Information
16
Codes and Ordinances
16
Receiving Unit
16
Storage
17
Direct Expansion (DX) Systems
17
Wiring Diagrams
18
Condensate Drain Pans
18
Unit Size
18
Table 1 - SA Series Models
18
Installation
19
Locating the Unit
19
Lifting and Handling the Unit
19
Figure 1 - SA Series Unit with Right Intake
19
Figure 2 - One Piece Single Unit Lifting Details
20
Figure 3 - Two Piece Single Unit Coil Section Lifting Details
21
Figure 4 - Two Piece Single Unit Fan Section Lifting Details
22
Figure 5 - One Piece Dual Unit Lifting Details
23
Figure 6 - Two Piece Dual Unit Coil Section Lifting Details
24
Figure 7 - Two Piece Dual Unit Fan Section Lifting Details
25
Split Unit Assembly
26
Figure 8 - Dual Unit Without Splices and before Being Bolted Together
27
Figure 9 - Dual Unit Assembly Details
27
Figure 10 - Dual Unit with Splices after Being Bolted Together
28
Refrigerant-To-Water Heat Exchanger
29
Open Loop Applications
29
Freezing Water in the Heat Exchanger
29
Water Piping
30
Table 2 - Glycol Freezing Points
30
Table 3 - Condenser Water Connections
31
Table 4 - Condenser Pressure Drops (each Heat Exchanger)
32
Brazed Plate Heat Exchanger Cleaning
33
Electrical
33
Cutting Electrical Openings
34
Thermostat Control Wiring
35
Table 5 - Control Wiring
35
Condensate Drain Piping
36
Duct Connection
36
Figure 11 - Drain Trap
36
Table 6 - Duct Connection Sizes
36
Table 7 - Drain Trap Dimensions
37
Waterside Economizer
37
Figure 12 - SA Series Unit with Waterside Economizer Piping
38
Figure 13 - Air Conditioner Waterside Economizer Piping Kit
39
Figure 14 - Air Conditioner Waterside Economizer Back View
39
Figure 15 - Water-Source Heat Pump Waterside Economizer Piping Kit
40
Figure 16 - Water-Source Heat Pump Waterside Economizer Back View
40
Chilled Water Coil
41
Hot Water Coil
41
Startup
41
Supply Fans
41
Supply Fan Spring Isolator Adjustment
41
Figure 17 - Spring Isolation
42
Supply Fan Removal
43
Fan Airflow Adjustment
43
Figure 18 - Back View with Supply Fan Access Panel Removed
43
Figure 19 - Front View with Supply Fan Access Door Open
43
Figure 20 - Blower Wheel with Band
44
Figure 21 - Band Tabs
44
Figure 22 - Blower Wheel
44
Filters
45
Adjusting Refrigerant Charge
45
Figure 23 - Securing the Band
45
Table 8 - Acceptable Refrigerant Circuit Values
46
Freeze Stat Startup
47
Table 9 - R-410A Refrigerant Temperature-Pressure Chart
47
Operation
48
Steam or Hot Water Preheating Operation
48
Chilled Water or Non-Compressorized DX Cooling Operation
48
Packaged DX Cooling Operation and Control
48
Maintenance
48
DX Cooling
48
Condensate Drain Pans
48
E-Coated Coil Cleaning
49
Recommended Coil Cleaner
49
Recommended Chloride Remover
50
Supply Fans
50
Phase and Brownout Protection Module
51
Filter Replacement
53
Table 10 - 23-35 Tons, Pre Filters
53
Table 11 - 45-70 Tons, Pre Filters
53
Table 12 - 23-35 Tons, Unit Filters
53
Table 13 - 45-70 Tons, Unit Filters
53
Replacement Parts
54
AAON Warranty, Service, and Parts Department
54
Appendix A - Heat Exchanger Corrosion Resistance
55
SA Series Startup Form
57
Maintenance Log
61
Literature Change History
62
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