Addison PR Series - Page 2

Addison PR Series

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Table of Contents

Default Chapter3
- Table of Contents3
SECTION 1: Safety Introduction and Labeling Guide5
- Warnings, Dangers, Cautions, and Notices5
- Label Placement Guide6
- Figure 1: Label Placement Drawing6
- Sample Unit Data Plate7
- Figure 2: Sample Unit Data Plate7
SECTION 2: Introduction and Pre-Installation8
- Description of Operation8
- Inspection and Setup8
- Unit Nomenclature Example9
SECTION 3: Installer Responsibility13
- Introduction13
- Corrosive Chemicals13
- Required Equipment and Materials13
SECTION 4: Critical Considerations14
- Required Clearances14
- Unit Placement Considerations15
- Hardware15
- Table 1: Recommended Torque Settings15
SECTION 5: National Standards and Applicable Codes16
- Refrigerant Handling Practices16
- Installation Codes16
- Aircraft Hangers16
- Parking Structures and Repair Garages16
- Electrical16
SECTION 6: Lifting a Packaged Rooftop Unit17
- Moving/Lifting the Unit17
- Moving the Unit with a Forklift17
- Lifting the Unit with a Crane17
- Figure 3: Large Unit Lifting18
- Figure 4: Medium Unit Lifting19
- Figure 5: Small Unit Lifting20
SECTION 7: Unit Placement21
- Figure 6: Roof Curb Installation21
SECTION 8: Ductwork22
- Considerations22
- Return Air Ductwork22
- Discharge Ductwork22
SECTION 9: Refrigeration Circuits and Piping23
- Refrigerant23
- Components and Configurations23
- Figure 7: Circuit Diagram for Standard Compressor24
- Figure 8: Circuit Diagram for Standard Compressor with Hot Gas Bypass and Modulating Hot Gas Reheat25
- Figure 9: Circuit Diagram for Digital Compressor with Modulating Hot Gas Reheat26
- Figure 10: Circuit Diagram for Standard Compressor27
- Figure 11: Circuit Diagram for Digital Compressor28
SECTION 10: Energy Recovery/Conservation Wheels29
- Principal of Operation29
SECTION 11: Gas Heater Packages30
- Principle of Operation30
- Gas Piping and Pressure30
- Table 2: Manifold Size and Minimum Pressure30
- Operating and Safety Controls31
- Wiring31
- Sequence of Operation31
- Figure 13: Example Gas Heater Wiring Diagram - 5:1 Modulation35
- Figure 14: Example Gas Heater Wiring Diagram - 10:1 Modulation36
- Figure 15: Example Gas Heater Wiring Diagram - Dual Furnace37
SECTION 12: Electric Heater Packages38
- Principle of Operation38
- Operating and Safety Controls38
- Wiring38
- Table 3: Standard Electric Heaters39
- Figure 16: Typical Electric Heater Wiring Diagram40
SECTION 13: Unit Electrical41
- Wiring and Electrical Connections41
- Disconnect41
- Current Draw41
- Wiring Connections41
- Voltage Unbalance41
- Low Voltage Wiring41
- Table 4: Low Voltage Wiring Lengths41
- Figure 17: Typical Electrical Wiring Diagram42
- Figure 18: Phase Monitor Data49
SECTION 14: Sequence of Operation51
- Unit Configuration51
- Controls Options51
- Figure 19: Equipment Touch Display51
- Basic Sequence of Operation52
- Accessory Controls Options52
SECTION 15: Start-Up Procedure53
- Tools & Supplies Requires53
- Pre-Start Checks53
- Figure 20: P-Trap Configuration54
- Table 5: Condensate Connection Sizes54
- Table 6: Hot Water Heating Coil Flow Rate55
- Table 7: Superheat and Subcooling - 100% OA55
- Table 8: Superheat and Subcooling - Recirc55
- Table 9: Superheat and Subcooling - Heat Pump55
- Table 10: Refrigerant Temperature-Pressure56
- Pre-Start Form57
SECTION 16: Start-Up Procedures60
- Start-Up Form60
SECTION 17: Unit Maintenance66
- Installation Code and Quarterly Inspections66
- General67
- Unit Exterior67
- Direct-Drive Supply and Exhaust Fans67
- Condensing Fans67
- Refrigeration Circuit Components67
- Condensate Drain Pan and Drain67
- Dampers67
- Electric Heater Wiring and Wiring Conn67
- Filters67
- Table 11: Maintenance Guidelines67
SECTION 18: Replacement Parts68
- Table 12: Air Filters69
SECTION 19: Troubleshooting70
- Supply Fan71
- Table 13.1: Supply Fan71
- Compressor72
- Table 13.2: Compressor72
- Refrigeration Circuit74
- Table 13.3: Refrigeration Circuit74
- Variable Speed Head Pressure Control76
- Table 13.4: Variable Speed Heat Pressure Control76
- Energy Conservation Wheel78
- Table 13.5: Energy Conservation Wheel78
- Gas Furnace79
- Table 13.6: Gas Furnace79
- Electric Heater80
- Table 13.7: Electric Heater80
SECTION 20: Addison Warranty81
Revision Guide83

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