Table of Contents
Safety ............................................................................................................................................................. 6
CL Series Feature String Nomenclature ...................................................................................................... 11
GENERAL DESCRIPTION ........................................................................................................................ 14
Unpacking: ............................................................................................................................................... 14
OWNER'S INFORMATION ....................................................................................................................... 14
Warning: .................................................................................................................................................. 14
Wiring Diagrams: ..................................................................................................................................... 15
General Maintenance: .............................................................................................................................. 15
INSTALLATION ........................................................................................................................................ 15
Lifting and Handling: ............................................................................................................................... 15
Condenser Placement: .............................................................................................................................. 15
Compressor Compartment Exhaust Fan: ................................................................................................. 15
Mounting Isolation: .................................................................................................................................. 16
Access Doors: .......................................................................................................................................... 16
Standard Evacuation Instructions: ........................................................................................................... 16
Low Ambient & Modulating Reheat System Evacuation Instructions: ................................................... 17
Charging Refrigerant: .............................................................................................................................. 18
Before Charging: ...................................................................................................................................... 18
Checking Liquid Sub-cooling: ................................................................................................................. 19
Checking Evaporator Superheat: ............................................................................................................. 19
Special Low Ambient Charging Instructions: .......................................................................................... 20
Low Ambient Operation: ......................................................................................................................... 20
LAC Valve: .............................................................................................................................................. 21
Electrical .................................................................................................................................................. 22
Refrigerant Piping Connections: .............................................................................................................. 24
Evaporative Condenser Field Piping Connections: ................................................................................. 24
STARTUP .................................................................................................................................................... 26
Pre-Startup: .............................................................................................................................................. 26
Startup: ..................................................................................................................................................... 26
Axial Flow Fans: ...................................................................................................................................... 27
Insert Blades: ........................................................................................................................................... 28
SERVICING AND MAINTENANCE ........................................................................................................ 29
General: .................................................................................................................................................... 29
Compressors:............................................................................................................................................ 29
Refrigerant Suction Line Filter: ............................................................................................................... 29
Suction Filter Removal Instructions ........................................................................................................ 29
Refrigerant Liquid Line Filter Driers:...................................................................................................... 30
Evaporator/Heat Exchangers: .................................................................................................................. 30
Lubrication: .............................................................................................................................................. 30
Service Information: ................................................................................................................................ 30
Replacement Parts: ................................................................................................................................... 30
AAON Technical Support ........................................................................................................................ 30
Severe Service: ......................................................................................................................................... 31
Safety: ...................................................................................................................................................... 31
Performance: ............................................................................................................................................ 32
Warranties: ............................................................................................................................................... 32
Condenser Tube Inspection: .................................................................................................................... 32