AAON CL-230 - Manual (Page 2)

2
TABLE OF CONTENTS
SECTION Page
GENERAL DESCRIPTION…………………………………………………………………………………………………
Unpacking…………………………………………………………………………………………………………..
04
04
OWNER’S INFORMATION………………………………………………………………………......................................
Wiring Diagrams……………………………………………………………………................................................
General Maintenance………………………………………………………………………………………………..
04
04
05
INSTALLATION…………………………………………………………………………….……………………………....
Lifting and Handling……………………………………….……………………………………………………….
Condenser Placement……………………………………………………………………………………………….
Compressor Compartment Exhaust Fan…………………………………………………………………………….
Mounting Isolation………………………………………………………………………………………………….
Access Doors……………………………………………………………………………………………………….
Low Ambient Operation…………………………………………………………………………………………….
LAC Valve…………………………………………………………………………………………………………..
OROA Valve………………………………………………………………………………………………………...
ORI/ORD Valves……………………………………………………………………………………………………
Condenser Flooding…………………………………………………………………………………………………
Electrical…………………………………………………………………………………………………………….
Refrigerant Piping Connection………………………………………………………………………………………
Evaporative-Cooled Condenser Field Piping Connections………………………………………………………….
05
05
05
05
05
05
05
06
07
07
08
09
09
09
STARTUP……………………………………………………………………………………………………………………
Pre Startup…………………………………………………………………………………………………………..
Startup………………………………………………………………………………………………………………
Axial Flow Fans…………………………………………………………………………………………………….
11
11
11
11
SERVICING & MAINTENANCE……………………………………………………………………………………….......
General ……………………………………………………………………………………………………………...
Compressors………………………………………………………………………………………………………...
Refrigerant Filter Driers……………………………………………………………………………………………..
Evaporator/Heat Exchanger…………………………………………………………………………….…………...
Charging Refrigerant ………………………………………………………………………………………………..
Checking Liquid Sub-Cooling………………………………………………………………………………………
Checking Evaporator Superheat…………………………………………………………………………………….
Adjusting Sub-cooling and Superheat Temperatures……………………………………………………………….
Special Charging Instructions……………………………………………………………………………………….
Lubrication……………………………………………………………….……………………………………...…..
Service Information…………………………………………………….……………………………………………
13
13
13
13
13
14
14
14
15
15
15
15
EVAPORATIVE-COOLED CONDENSER SECTION……………………………………………………………………...
General Information…………………………………………………………………………………………………
Pre Start-Up…………………………………………………………………………………………………………
Maintenance Recommendations…………………………………………………………………………………….
Water Quality………………………………………………………………………………………………………..
AIR-COOLED CONDENSER SECTION…………………………………………………………………………………...
REFRIGERANT PIPING FOR CL SERIES…………………………..………………………………….………..…….......
Equivalent Line Length…………………………………………………………………………………….……….
Liquid Line Sizing…………………………………………………………………...……………………………...
Suction Line Sizing……………………………………………………………………………………..…………...
Hot Gas Bypass Line Sizing..………………………………………………………………….………….………...
Predetermined Line Sizes…………………………………………………………………………………………...
TABLE RP-1 Predetermined Line sizes for Dual Circuit CL units with R-410A……………………….………….
TABLE RP-2 Predetermined Line sizes for Dual Circuit CL units with R-22………………………….…………..
TABLE RP-3 Predetermined Line sizes for Single Circuit CL units with R-410A
………………….………..
TABLE RP-4 Predetermined Line sizes for Single Circuit CL units with R-22 ……………………….…………..
FIGURE RP-1 Riser height versus total equivalent line length Dual Circuit CL Units with R-410A .….…………
FIGURE RP-2 Riser height versus total equivalent line length Dual Circuit CL Units with R-22….. ….…………
FIGURE RP-3 Riser height versus total equivalent line length Single Circuit CL Units with R-410A ……………
FIGURE RP-4 Riser height versus total equivalent line length Single Circuit CL Units with R-22… ……………
Hot Gas Bypass Line Routing Diagrams……………………………………………………………………………
16
16
17
20
21
21
21
22
22
23
23
24
26
27
28
28
29
29
30
30
31
CL SERIES STARTUP FORM……………………………………………………………………………………………… 41