Installation, Operation and Maintenance Manual - Data Aire

4.0 Installation of Remote Outdoor Heat Exchanger ................................ 19
4.1 Rigging ....................................................................................... 19
4.2 Leg Assembly ............................................................................. 19
4.3 Locating the Remote Heat Exchanger ........................................ 19
4.4 Electrical Service ........................................................................ 20
4.5 Air Cooled Condensers - Model DARC ...................................... 20
4.5.1 Fan Speed Control .......................................................... 20
4.5.2 Ambient Thermostat ........................................................ 20
4.6 Fluid Coolers - Model DAFC ....................................................... 21
4.6.1 Fluid-Sensing Thermostats .............................................. 21
4.6.2 Energy Saver Cooling...................................................... 21
5.0 Charging ............................................................................................. 22
5.1 Voltage Phase Check ................................................................. 22
5.1.1 Evaporator ....................................................................... 22
5.1.2 Secondary Heat Exchanger............................................. 22
5.2 Air Cooled Systems .................................................................... 22
5.2.1 Packaged Aire Cooled Systems ...................................... 22
5.2.2 Split Indoor Air Cooled Systems Charging ...................... 23
5.2.3 Fan Speed Control System Charging .............................. 24
5.2.4 Flooded System Charging ............................................... 25
5.3 Water/Glycol Cooled Systems .................................................... 26
5.3.1 Water/Glycol Cooled System Charging ........................... 26
5.3.2 Factory Charge for Water/Glycol Cooled Systems .......... 26
5.4 Refrigerant Handling ................................................................... 27
5.5 Important Refrigeration Components ......................................... 27
5.5.1 Expansion Valve .............................................................. 27
5.5.2 High Pressure Cutout Switch........................................... 27
5.5.3 Low Pressure Cutout Switch ........................................... 27
6.0 Glycol Systems ................................................................................... 28
6.1 Glycol Concentration .................................................................. 28
6.2 Internal (Fluid) Volume ............................................................... 28
6.3 Fluid Cooler Internal Volume ...................................................... 28
6.4 Copper Piping Internal Volume ................................................... 28
6.5 Freezing Point of Aqueous Solutions .......................................... 29
7.0 Controls .............................................................................................. 30
7.1 Mini DAP II Microprocessor Control Panel ................................. 30
7.2 Optional Mini DAP III .................................................................. 30
7.3 Optional DAP III .......................................................................... 30
7.4 Optional Thermostat ................................................................... 30
7.5 Optional Programmable Thermostat .......................................... 30
7.6 Wiring Diagrams ......................................................................... 31
8.0 Regular Maintenance Items ................................................................ 32
8.1 Air Filters ..................................................................................... 32
8.2 Belts ............................................................................................ 32
8.3 Bearings ..................................................................................... 32
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