Table of Contents
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4.0
4.5
Air Cooled Condensers - Model DARC .......................................................................... 18
4.5.1 Fan Speed Control ......................................................................................................... 18
4.5.2 Ambient Thermostats ..................................................................................................... 18
4.6
Fluid Coolers - Model DAFC .......................................................................................... 19
4.6.1 Fluid-Sensing Thermostats ............................................................................................ 19
4.6.2 Energy Saver Cooling .................................................................................................... 19
5.0
5.1 Voltage Phase Check ............................................................................................................ 20
5.1.1 Evaporator ...................................................................................................................... 20
5.1.2 Secondary Heat Exchanger ........................................................................................... 20
5.2
Air Cooled Systems ........................................................................................................ 20
5.2.1 Split Indoor Air Cooled Systems Charging ..................................................................... 20
5.2.2 Fan Speed Control System Charging............................................................................. 21
5.2.3 Flooded System Charging .............................................................................................. 21
5.3
Water/Glycol Cooled Systems ........................................................................................ 23
5.3.1 Water/Glycol Cooled Systems Charging ........................................................................ 23
5.4
Refrigerant Handling ...................................................................................................... 23
5.5
Important Refrigeration Components ............................................................................. 23
5.5.1 Expansion Valve ............................................................................................................. 23
5.5.2 High Pressure Cutout Switch ........................................................................................ 24
5.5.3 Low Pressure Cutout Switch .......................................................................................... 24
6.0
6.1
Glycol Concentration ...................................................................................................... 24
6.2
Internal (Fluid) Volume ................................................................................................... 24
6.3
Fluid Cooler Internal Volume .......................................................................................... 24
6.4
Copper Piping Internal Volume....................................................................................... 25
6.5
Freezing Point of Aqueous Solutions ............................................................................. 25
7.0
7.1
Mini DAP II Microprocessor Control Panel ..................................................................... 25
7.2
Optional Mini DAP III Microprocessor Control Panel ...................................................... 25
7.3
Optional DAP III Microprocessor Control Panel ............................................................. 25
7.4
Secondary Heat Exchangers.......................................................................................... 26
7.5
Wiring Diagrams ............................................................................................................. 26
8.0
8.1
Air Filters ........................................................................................................................ 27
8.2
Belts ............................................................................................................................... 27
8.3
Bearings ......................................................................................................................... 27
Table of Contents, continued
..................................................................................................................... 20
..................................................................................................... 24
.................................................................................................................... 25
4
- (continued)
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