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Delta Star® Water-Cooled Chillers

Features water cooled condenser for installations with an existing freshwater supply. Can be used in tight spaces with minimal ventilation.

A popular choice in the public aquarium and aquaculture industries, Aqua Logic’s Delta Star In-line Water Chillers feature water cooled condensers, making them ideal for installations with an existing freshwater supply. Instead of using air provided by a fan and motor, these chillers use water to cool the condenser. Their low heat emission, compact size, and quiet operation allow them to be used in tight spaces with minimal ventilation.

Not available for sale in online store. Please contact us for assistance with sizing and purchase.

Delta Star® Water-Cooled Chillers

Categories: ,

1/4 Hp – 1-1/2 Hp

  • Maintains water temperatures in the range of 40° – 80°F
  • Oversized helical titanium coil in the heat exchanger maximizes BTU transfer efficiency.
  • TITANIUM is the only heat exchanger material proven to be 100% fish and coral safe in saltwater systems.
  • Quiet, internal, spring mounted hermetic motor/compressor provides years of reliable service.
  • Low profile and compact design allows for easy placement in tight places.

Applications:

  • Living Exhibits
  • Research
  • Lobster and Seafood Holding tanks
  • Hydroponics
  • Home Aquariums
  • Cold plunge tubs
  • Animal hydrotherapy

System Requirements:

  • Sources of cooling water include; facility chilled water loop, municipal water supply, cooling tower, or well and spring water.
  • An external pump is required with Delta Star chillers to move water thru the heat exchanger. Pump not included.
  • Observe min/max flow rates critical to chiller operation in ‘Specifications’ table
    • Features
    • Sizing
    • Specifications
    • Product Literature
    • Product Inquiry
    • In-Line Tube In Shell Heat Exchanger
    • Titanium coil
    • Water Control Valve in Condenser
    • Digital Temperature Controller
    • Fresh or Saltwater Use
    • Compact Design
    • FIPT connections In/Out
    • Quiet Operation
    • Black ABS Cover
    • Remote Electronic Temperature Controller
    • Ozone Friendly Refrigerant (R-22)

    The following tables can be used to determine the appropriate Delta Star Chiller Model chiller for your application.

    Tables display the maximum water volume (Gallons) that can be maintained at a range of temperature differences below the ambient air temperature.

    Please note that the tables make the following assumptions, and that for more accurate sizing or complex systems you should contact Aqua Logic for assistance:

    • Calculations based on a closed recirculating system with chiller running full time.
    • Calculations based on a simple system with one pump, 3x per hour water turnover rate, and fluorescent lighting.
    • Please consult Aqua Logic for proper sizing if using multiple pumps, protein skimmers, high intensity lighting, or other such variables.

    Sizing Table 1- Uninsulated Tanks: Acrylic and Glass.
    Note: For Polypropylene/ethylene multiply gallons x 0.8= net gallons.

    Temperature "chill down" from ambient (oF) per tank volume (US Gallons)

    Model No. Hp Nominal BTU/hr 5 oF 10 oF 15 oF 20 oF 25 oF 30 oF 35 oF 40 oF
    DS-3 1/4 3080 592 296 197 148 118 99 85 74
    DS-4 1/3 4050 778 389 259 194 156 130 111 97
    DS-5 & DS-6 1/2 6000 1152 576 384 288 230 192 165 144
    DS-7 & DS-8 3/4 9500 1825 912 608 456 365 304 261 228
    DS-9 1 12000 3457 1729 1152 864 691 576 494 432
    DS-10 1 1/2 18000 5186 2593 1729 1297 1037 864 741 648

    Sizing Table 2 - Insulated Tanks.

    Temperature "chill down" from ambient (oF) per tank volume (US Gallons)

    Model No. Hp Nominal BTU/hr 5 oF 10 oF 15 oF 20 oF 25 oF 30 oF 35 oF 40 oF
    DS-3 1/4 3080 887 444 296 222 177 148 127 111
    DS-4 1/3 4050 1167 583 389 292 233 194 167 146
    DS-5 & DS-6 1/2 6000 1729 864 576 432 346 288 247 216
    DS-7 & DS-8 3/4 9500 2737 1369 912 684 547 456 391 342
    DS-9 1 12000 4610 2305 1537 1152 922 768 659 576
    DS-10 1 1/2 18000 6915 3457 2305 1729 1383 1152 988 864

    To ensure accurate sizing of your Delta Star chiller please provide us with details about your specific application via the ‘Request a Quote' tab.

    Model Number Horse Power BTUH Removal Capacity Volts/ Phase Amps Flow (gpm) Min/Max In/Out FIPT (in) Length (in) Width (in) Height (in) Weight (lbs)
    DS-3-WC 1/4 3,080 115 5.4 8/15 3/4" 19" 12" 11" 60
    DS-4-WC 1/3 4,050 115 7.2 10/20 3/4" 22 1/2" 13" 11" 66
    DS-5-WC 1/2 6,000 115 9.5 12/25 1-1/2" 24" 15 1/2" 13" 100
    DS-6-WC 1/2 6,000 230 4.8 12/25 1-1/2" 24" 15 1/2" 13" 100
    DS-7-WC 3/4 9,500 115 13.0 15/30 1-1/2" 24 3/8" 24" 15" 112
    DS-8-WC 3/4 9,500 230 7.0 15/30 1-1/2" 24 3/8" 24" 15" 112
    DS-9-WC 1 12,000 230 7.2 20/35 1-1/2" 26 1/2" 27 3/8" 17 3/4" 117
    DS-10-WC* 1.5 21,000 230 10.5 25/40 1-1/2" 26 1/4" 26" 18" 147

    *Uses R-22 refrigerant. Water must be pumped through the chiller. Pump is not included.

    DS-3-WC-Thru-DS-6-WC-Specifications

    DS-7-WC-Thru-DS-10-WC-Specifications-1

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