TABLE OF CONTENTS
5
Low Pressure Cutout Switch ............................................................................................... 60
Liquid Line Solenoid Valve (Optional) .................................................................................. 61
GLYCOL SYSTEMS ......................................................................................................62
Glycol Concentration ................................................................................................................... 62
Internal (Fluid) Volume ................................................................................................................ 62
Fluid Cooler Internal Volume ............................................................................................... 62
Fluid coolers have individual Installation, Operation and Maintenance Manuals which should be
referred to for more complete details regarding remote heat exchangers.......................................... 62
Brazed-Plate Condensers ................................................................................................... 62
Water Treatment .................................................................................................................. 63
Fluid Cooler ................................................................................................................................. 64
Type L Copper Tubing Internal Volume ...................................................................................... 64
Freezing Point of Aqueous Solutions .......................................................................................... 65
Mixing Glycol and Water ............................................................................................................. 65
CONTROLS ...................................................................................................................66
Mini-dap4 Microprocessor Control Controller ............................................................................. 66
Optional Expanded dap4 Microprocessor Controller .......................................................... 66
Optional Thermostat ............................................................................................................ 66
Remote Heat Exchangers ........................................................................................................... 66
REGULAR MAINTENANCE ITEMS ...............................................................................67
Air Filters ..................................................................................................................................... 67
Belts ............................................................................................................................................ 67
Bearings ...................................................................................................................................... 67
Fuses ........................................................................................................................................... 68
Electric Reheat ............................................................................................................................ 68
Humidifier .................................................................................................................................... 68
Humidifier Canisters ............................................................................................................ 68
Refrigerant Filter Drier ................................................................................................................. 68
EC Plenum (Plug) Fans .............................................................................................................. 69
Electronically Commutated Motors ...................................................................................... 69
EC Motor Testing ................................................................................................................ 70
MAINTENANCE/INSPECTION CHECKLIST .................................................................71
Frequently Asked Questions – FAQ ............................................................................74
Electrical FAQ Section ................................................................................................................ 74
Mechanical FAQ Section ............................................................................................................. 75
Contact Data Aire .........................................................................................................78
TABLE OF FIGURES
Figure 1 Typical Installation Methods ........................................................................................16
Figure 2 Typical Installation Details ...........................................................................................16
Figure 3 Typical Discharge Check Valve ...................................................................................19
Figure 4 Recommended Condensate Trap Dimensions ............................................................28
Figure 5 Typical Side Pump Mounting .......................................................................................29
Figure 6 Typical Water/Glycol System ......................................................................................32
Figure 7 Typical Remote Heat Exchanger Interconnection Points .............................................39
Figure 8 Typical Indoor Evaporator Interconnection Points .......................................................39
Figure 9 Manual Override Switch Board ....................................................................................41
Figure 10 Typical Low Ambient Receiver Package ...................................................................57
Figure 11 Example Remote EPO Switch Connection ................................................................75
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