
Page 3 of 80
Table of Contents:
SECTION 1: Safety Introduction and Labeling Guide
Warnings, Dangers, Cautions, and Notices...................5
Label Placement Guide .......................................................... 6
SECTION 2: Introduction and Pre-Installation
2.1 Description of Operation ..................................................7
2.2 Inspection and Setup........................................................7
2.3 Condensing Unit Nomenclature Example............. 8
2.4 Air Handler Section Nomenclature Example........9
SECTION 3: Installer Responsibility
Introduction .................................................................................10
3.1 Corrosive Chemicals.........................................................10
3.2 Required Equipment and Materials.........................10
SECTION 4: Critical Considerations
4.1 Required Clearances .........................................................11
4.2 Unit Placement Considerations.................................13
4.3 Hardware...............................................................................14
4.4 Ship-With Parts..................................................................14
SECTION 5: National Standards and Applicable Codes
5.1 Refrigerant Handling Practices ...................................15
5.2 Installation Codes .............................................................15
5.3 Aircraft Hangers.................................................................15
5.4 Parking Structures and Repair Garages................15
5.5 Electrical ................................................................................15
SECTION 6: Lifting a Split Air Conditioning Unit
6.1 Moving/Lifting The Unit..................................................16
SECTION 7: Unit Placement.........................................................18
SECTION 8: Ductwork
Considerations ...........................................................................19
8.1 Return Air Ductwork .........................................................19
8.2 Discharge Ductwork........................................................19
SECTION 9: Refrigeration Circuits and Piping
9.1 Refrigerant ............................................................................20
9.2 Components and Configurations.............................20
9.3 Lineset Piping Installation ............................................21
9.4 Refrigerant Oil.....................................................................21
9.5 Hot Gas Reheat Lineset Piping Installation........26
9.6 Leak Testing and Evacuation .....................................26
9.7 Additional Piping Considerations.............................26
SECTION 10: Unit Electrical
10.1 Wiring and Electrical Connections .........................33
10.2 Disconnect.........................................................................33
10.3 Current Draw ....................................................................33
10.4 Wiring Connections.......................................................33
10.5 Voltage Unbalance.........................................................33
10.5 Low Voltage Wiring.......................................................33
SECTION 11: Electric Heater Packages
11.1 Principle of Operation.....................................................46
11.2 Operating and Safety Controls.................................46
11.3 Wiring....................................................................................46
SECTION 12: Sequence of Operation
12.1 Unit Configuration...........................................................49
12.2 Controls Options.............................................................49
12.3 Basic Sequence of Operation ..................................50
12.4 Accessory Controls Options.....................................50
SECTION 13: Start-Up Procedure
13.1 Tools & Supplies Requires ...........................................51
13.2 Pre-Start Checks ............................................................52
13.2 Pre-Start Checklist ........................................................52
SECTION 14: Start-Up Procedures
Start-Up Form............................................................................53
SECTION 15: Unit Maintenance
Installation Code and Quarterly Inspections .............63
15.1 General..................................................................................64
15.2 Unit Exterior ......................................................................64
15.3 Direct-Drive Supply and Exhaust Fans ...............64
15.4 Condensing Fans............................................................64
15.5 Refrigeration Circuit Components.........................64
15.6 Condensate Drain Pan and Drain ..........................65
15.7 Dampers..............................................................................65
15.8 Electric Heater Wiring and Wiring Conn............65
15.9 Filters....................................................................................65
SECTION 16: Replacement Parts.............................................66
SECTION 17: Troubleshooting
Supply Fan...................................................................................68
Compressor ................................................................................69
Refrigeration Circuit ................................................................71
Variable Speed Head Pressure Control........................ 73
Electric Heater........................................................................... 75
SECTION 18: Addison Warranty ............................................... 76
Revision Guide ....................................................................................79
RC/FC Series Installation, Operation, and Maintenance Manual