5
Charging the Fixed Speed Compressor ........................................................................................ 54
Additional Oil ................................................................................................................................. 56
Flooded System Charging (Systems with Low Ambient Receiver Package) ................................ 56
Receiver Installation ...................................................................................................................... 58
Charge Fixed Speed Compressor ................................................................................................. 59
Water/Glycol-Cooled System Charging ........................................................................................ 60
Refrigerant Handling ............................................................................................................................ 61
Important Refrigeration Components ................................................................................................... 62
Expansion Valves .......................................................................................................................... 62
High Pressure Cutout Switch ........................................................................................................ 62
Low Pressure Cutout Switch ......................................................................................................... 63
Liquid Line Solenoid Valve (Optional) ............................................................................................ 63
6.0 GLYCOL SYSTEMS .................................................................................................................................... 64
Glycol Concentration ............................................................................................................................ 64
Internal (Fluid) Volume – Up and Downflow Evaporators ..................................................................... 64
Brazed-Plate Condensers ............................................................................................................. 64
Internal (Fluid) Volume – Fluid Coolers ................................................................................................. 66
Fluid Cooler Information ................................................................................................................ 66
7.0 CONTROLS ................................................................................................................................................. 67
dap4™ Microprocessor Control Panel .................................................................................................. 67
Remote Heat Exchangers .................................................................................................................... 67
Electronic Expansion Valve Drive (EDV) .............................................................................................. 67
Setup Using Display Panel Guide ................................................................................................. 67
Configuration Menu ....................................................................................................................... 68
Regulation Menu ........................................................................................................................... 70
How to Manually Open and Close an (EEV) .................................................................................. 70
Multiple EEV Configuration ........................................................................................................... 71
8.0 REGULAR MAINTENANCE ITEMS ............................................................................................................ 73
Air Filters .............................................................................................................................................. 73
Fuses .................................................................................................................................................... 73
Electric Reheat ..................................................................................................................................... 73
Humidifier ............................................................................................................................................. 74
Humidifier Canisters ...................................................................................................................... 74
Refrigerant Filter Drier .......................................................................................................................... 74
Plenum (Plug) Fans .............................................................................................................................. 74
Electronically Commutated Motors ................................................................................................ 74
EC Motor Testing .......................................................................................................................... 75
9.0 MAINTENANCE/INSPECTION CHECKLIST ............................................................................................... 77
10.0 Frequently Asked Questions – FAQ ............................................................................................................ 80
Electrical FAQ Section ......................................................................................................................... 80
Mechanical FAQ Section ...................................................................................................................... 81
11.0 CONTACT DATA AIRE ............................................................................................................................... 83
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