Installation, Operation and Maintenance Manual - Data Aire

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6.0 GLYCOL SYSTEMS 6.1 Glycol Concentration The system must be fi lled with water <strong>and</strong> the appropriate amount of ethylene or propylene glycol to protect against winter freezing. To achieve the approximate glycol concentration, it is necessary to know the total system volume. The total system volume consists of the fl uid cooler volume, the evaporator unit volume <strong>and</strong> the volume of the inter-connecting piping. The following tables can be used for arriving at an approximate system volume. After installation, the glycol percentage should be checked. The glycol percentage should be checked at regular intervals to ensure against freeze protection. 6.2 Internal (Fluid) Volume Evaporator Model Volume (gallons) - no Energy Saver Coil Volume (gallons) – with Energy Saver Coil DAPG 2.5 1.0 2.5 DAPG 03 1.0 2.5 DAPG 04 2.5 4.0 DAPG 05 2.5 4.0 6.3 Fluid Cooler Internal Volume Fluid Cooler Volume (gallons) Fluid Cooler Volume (gallons) DAFC 06 2.5 DAFC 17 6.6 DAFC 07 3.4 DAFC 21 7.4 DAFC 09 4.2 DAFC 24 9.8 DAFC 11 3.3 DAFC 29 12.3 DAFC 15 4.9 6.4 Copper Piping Internal Volume Pipe Diameter Inches O.D. Volume per 100 feet of Pipe (gallons) 5/8 1.2 3/4 1.8 7/8 2.5 1-1/8 2.5 1-5/8 4.3 2-1/8 9.2 28
6.5 Freezing Point of Aqueous Solutions Ethylene Glycol Percent by Volume Freezing Point °F Propylene Glycol Percent by Volume Freezing Point °F 0 32 0 32 10 24 10 27 20 15 20 18 30 4 30 8 40 -13 40 -6 50 -33 50 -26 29
Page 1: Mini-Plus Installation, Operation a
Page 4 and 5: 4.0 Installation of Remote Outdoor
Page 6 and 7: 1.0 INSTALLATION WARNING: There is
Page 8 and 9: densing units have factory provided
Page 10 and 11: 2.0 PIPING 2.1 Split Air Cooled Uni
Page 12 and 13: 2.1.6 Field Piping, Remote Condensi
Page 14 and 15: All chilled water pipes have a cap
Page 16 and 17: 3.0 ELECTRICAL CONNECTIONS WARNING:
Page 18 and 19: the panel. Although these existing
Page 20 and 21: Do not locate the heat exchanger in
Page 22 and 23: 5.0 CHARGING 5.1 Voltage Phase Chec
Page 24 and 25: NOTE: Charging to a full liquid lin
Page 26 and 27: (DRCU), the superheat should be 20
Page 30 and 31: 7.0 CONTROLS 7.1 Mini DAP-II Microp
Page 32 and 33: 8.0 REGULAR MAINTENANCE ITEMS 8.1 A
Page 34 and 35: 9.0 WARRANTY POLICY Seller warrants
Page 36 and 37: RECOMMENDED LINE SIZING for AIR COO
Page 38 and 39: Superheat and Suction Pressure Trou
Page 40 and 41: Condensers (Water-Cooled) ___ Check
Page 42: Notes _____________________________

Installation, Operation and Maintenance Manual - Data Aire

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