Data Aire DAMA-01 Installation, Operation And Maintenance Manual page 4

4.0 Installation of remote outdoor heat exchanger
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
4.6 Fluid coolers - model DAFC .......................................................................... 20
4.6.1 Fluid-sensing thermostats................................................................... 20
4.6.2 Energy saver cooling ........................................................................... 21
5.0 Charging
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 Package air cooled systems ............................................................... 22
5.2.2 Split indoor air cooled systems charging - indoor condenser ............. 23
5.2.3 Fan speed control system charging - outdoor condenser .................. 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 Factor 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 cut out switch............................................................... 27
5.5.3 Low pressure cut out switch ............................................................... 27
6.0 Glycol Systems
6.1 Glycol concentrations .................................................................................... 28
6.2 Internal (fl uid) volume .................................................................................... 28
6.3 Fluid cooler internal volume ........................................................................... 28
6.4 Copper piping internal volume ....................................................................... 28
6.5 Freezing point or aqueous solutions .............................................................. 29
7.0 Controls
7.1 Standard thermostat ...................................................................................... 30
7.2 Optional programmable thermostat ............................................................... 30
7.3 Optional Mini DAP II microprocessor control panel ....................................... 30
7.4 Optional Mini DAP III microprocessor control panel ...................................... 30
7.5 Optional DAP III ............................................................................................. 30
7.6 Wiring diagrams ............................................................................................. 31
8.0 Regular maintenance items ................................................................................... 32
8.1 Air fi lters ......................................................................................................... 32
8.2 Belts ........................................................................................................... 32
8.3 Bearings ........................................................................................................ 32
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