Data Aire MINI CEILING SERIES Installation, Operation And Maintenance Manual page 4

Mini ceiling series 1, 1.5, 2 and 2.5 ton air, water and glycol cooled dx and chilled water

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4.0

INSTALLATION OF REMOTE OUTDOOR HEAT EXCHANGER - Continued

4.4

Electrical Service ........................................................................................................... 18

4.5

Air Cooled Condensers - Model DARC ......................................................................... 18

4.6

Fluid Coolers - Model DAFC ......................................................................................... 18

4.6.1 Fluid-Sensing Thermostats ........................................................................................... 18

4.6.2 Energy Saver Cooling ................................................................................................... 18

5.0

CHARGING ........................................................................................................................ 19

5.1 Air Cooled Systems ............................................................................................................. 19

5.1.1 Package Air Cooled Systems ......................................................................................... 19

5.1.2 Split Indoor Air Cooled Systems Charging ..................................................................... 19

5.1.3 Fan Speed Control System Charging............................................................................. 20

5.1.4 Flooded System Charging .............................................................................................. 21

5.2

Water/Glycol Cooled Systems ........................................................................................ 22

5.2.1 Water/Glycol Cooled Systems Charging ........................................................................ 22

5.2.2 Factory Charge for Water/Glycol Cooled Systems ......................................................... 22

5.3

Refrigerant Handling ...................................................................................................... 22

5.4

Important Refrigeration Component ............................................................................... 23

5.4.1 Expansion Valve ............................................................................................................. 23

5.4.2 High Pressure Cutout Switch ........................................................................................ 23

5.4.3 Low Pressure Cutout Switch .......................................................................................... 23

6.0

GLYCOL SYSTEMS ........................................................................................................... 24

6.1

Glycol Concentration ...................................................................................................... 24

6.2

Internal (Fluid) Volume ................................................................................................... 24

6.3

Fluid Cooler Internal Volume .......................................................................................... 24

6.4

Copper Piping Internal Volume....................................................................................... 24

6.5

Freezing Point of Aqueous Solutions ............................................................................. 24

7.0

CONTROLS ........................................................................................................................ 25

7.1

Standard Thermostat ...................................................................................................... 25

7.2

Optional Programmable Thermostat .............................................................................. 25

7.3

Optional Mini DAP II Microprocessor Control Panel ....................................................... 25

7.4

Optional DAP II Microprocessor Control Panel .............................................................. 25

7.5

Secondary Heat Exchangers.......................................................................................... 25

7.6

Wiring Diagrams ............................................................................................................. 26

8.0

REGULAR MAINTENANCE ITEMS

8.1

Air Filters ........................................................................................................................ 27

8.2

Belts ............................................................................................................................... 27

8.3

Bearings ......................................................................................................................... 27

8.4

Humidiﬁ er Canisters ....................................................................................................... 27

8.5

Fuses .............................................................................................................................. 27

8.6

Heating Elements ........................................................................................................... 27

8.7

Refrigerant Filter Drier .................................................................................................... 28

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