AAON CL SERIES User Manual

3
Freeze Protection: .................................................................................................................................... 32
Recirculating Water System: ................................................................................................................... 32
EVAPORATIVE CONDENSER - PRE START-UP .................................................................................. 32
Cleanliness: .............................................................................................................................................. 32
Pump Operation: ...................................................................................................................................... 32
Running: ................................................................................................................................................... 32
Condenser Fan Motors: ............................................................................................................................ 33
Water Make-up Valve: ............................................................................................................................. 33
Water Treatment System: ........................................................................................................................ 34
Sequence of Operation: ............................................................................................................................ 34
EVAPORATIVE CONDENSER - MAINTENANCE REQUIREMENTS ................................................ 35
Pump Maintenance: ................................................................................................................................. 35
Fan Motor Maintenance: .......................................................................................................................... 35
Access Doors: .......................................................................................................................................... 35
Bearings - Lubrication: ............................................................................................................................ 35
Required Monthly Inspection: ................................................................................................................. 35
Mist Eliminators: ..................................................................................................................................... 35
Air Inlet: ................................................................................................................................................... 35
Stainless Steel Base Pan: ......................................................................................................................... 35
Propeller Fans and Motors: ...................................................................................................................... 35
Required Annual Inspection: ................................................................................................................... 35
Cleaning: .................................................................................................................................................. 35
EVAPORATIVE CONDENSER - WATER QUALITY ............................................................................ 36
Recirculating Water Quality Guidelines: ................................................................................................. 36
Mechanical Cleaning: .............................................................................................................................. 36
Parts: ........................................................................................................................................................ 36
AIR-COOLED CONDENSER .................................................................................................................... 36
E-Coated Coil Cleaning ........................................................................................................................... 36
REFRIGERANT PIPING FOR THE CL SERIES ...................................................................................... 39
General: .................................................................................................................................................... 39
Determining Refrigerant Line size: ......................................................................................................... 39
Equivalent Line Length: .......................................................................................................................... 39
Liquid line sizing: .................................................................................................................................... 40
Liquid Line Routing:................................................................................................................................ 40
Liquid Line Insulation: ............................................................................................................................ 40
Liquid Line Guidelines: ........................................................................................................................... 40
Liquid Line Accessories: ......................................................................................................................... 40
Suction Line Sizing: ................................................................................................................................. 40
Suction Line Routing: .............................................................................................................................. 40
Suction Line Traps: .................................................................................................................................. 41
Suction Line Insulation: ........................................................................................................................... 41
Suction Line Guidelines:.......................................................................................................................... 41
Suction Line Accessories: ........................................................................................................................ 42
Hot Gas Bypass Line: .............................................................................................................................. 42
Hot Gas Bypass Piping Considerations for Evaporator Above Condensing Unit: .................................. 42
Hot Gas Bypass Piping Considerations for Evaporator Below Condensing Unit: .................................. 42
Hot Gas Bypass Line Guidelines: ............................................................................................................ 42
Hot Gas Reheat Line: ............................................................................................................................... 42

AAON CL SERIES Specifications

General

Brand	AAON
Model	CL SERIES
Category	Heat Pump
Language	English