SmartFan® Nimbus Manual

  • Fixed Speed Control Mode

  • SETTING CONTROL MODES (switches #7, 8)

    Unless otherwise specified, the Nimbus is factory set to control fans in the Temperature Control mode. To control via a current or voltage source, remote powered transducer or fixed speed setting, set switches 7 and 8 as shown below, then refer to the control mode section you have selected to customize the Nimbus for your application.

    Table 2: Setting Control Modes
    Control Via Dip switch
      7 8
    Current or Voltage ON OFF
    Remote Powered Transducer OFF ON
    Temperature OFF OFF
    Fixed Speed ON ON

    USING FIXED SPEED MODE

    Automatic speed control can be overridden in the fixed speed mode.  To set the Nimbus to fixed speed mode, see table 2.  In the fixed speed mode, the user can select motor voltages from 27% to 99% (in 1% or 2% increments) of supply voltage using DIP switches 1 through 6, see table 7.

    Table 7: Fixed Speed Settings
    % voltage DIP switch settings
    1 2 3 4 5 6
    27% OFF OFF OFF OFF OFF OFF
    28% ON OFF OFF OFF OFF OFF
    30% OFF ON OFF OFF OFF OFF
    32% ON ON OFF OFF OFF OFF
    33% OFF OFF ON OFF OFF OFF
    35% ON OFF ON OFF OFF OFF
    36% OFF ON ON OFF OFF OFF
    37% ON ON ON OFF OFF OFF
    39% OFF OFF OFF ON OFF OFF
    40% ON OFF OFF ON OFF OFF
    41% OFF ON OFF ON OFF OFF
    42% ON ON OFF ON OFF OFF
    43% OFF OFF ON ON OFF OFF
    44% ON OFF ON ON OFF OFF
    45% OFF ON ON ON OFF OFF
    47% ON ON ON ON OFF OFF
    48% OFF OFF OFF OFF ON OFF
    49% ON OFF OFF OFF ON OFF
    50% OFF ON OFF OFF ON OFF
    51% ON ON OFF OFF ON OFF
    53% OFF OFF ON OFF ON OFF
    54% ON OFF ON OFF ON OFF
    55% OFF ON ON OFF ON OFF
    56% ON ON ON OFF ON OFF
    57% OFF OFF OFF ON ON OFF
    58% ON OFF OFF ON ON OFF
    60% OFF ON OFF ON ON OFF
    61% ON ON OFF ON ON OFF
    62% OFF OFF ON ON ON OFF
    63% ON OFF ON ON ON OFF
    64% OFF ON ON ON ON OFF
    65% ON ON ON ON ON OFF
    67% OFF OFF OFF OFF OFF ON
    68% ON OFF OFF OFF OFF ON
    69% OFF ON OFF OFF OFF ON
    70% ON ON OFF OFF OFF ON
    71% OFF OFF ON OFF OFF ON
    72% ON OFF ON OFF OFF ON
    74% OFF ON ON OFF OFF ON
    75% ON ON ON OFF OFF ON
    76% OFF OFF OFF ON OFF ON
    77% ON OFF OFF ON OFF ON
    78% OFF ON OFF ON OFF ON
    79% ON ON OFF ON OFF ON
    80% OFF OFF ON ON OFF ON
    81% ON OFF ON ON OFF ON
    82% OFF ON ON ON OFF ON
    83% ON ON ON ON OFF ON
    84% OFF OFF OFF OFF ON ON
    85% ON OFF OFF OFF ON ON
    86% OFF ON OFF OFF ON ON
    87% ON ON OFF OFF ON ON
    88% OFF OFF ON OFF ON ON
    89% ON OFF ON OFF ON ON
    90% OFF ON ON OFF ON ON
    91% ON ON ON OFF ON ON
    92% OFF OFF OFF ON ON ON
    93% ON OFF OFF ON ON ON
    94% OFF ON OFF ON ON ON
    95% ON ON OFF ON ON ON
    96% OFF OFF ON ON ON ON
    97% ON OFF ON ON ON ON
    98% OFF ON ON ON ON ON
    99% ON ON ON ON ON ON

    ADDITIONAL MANUAL PAGES

    Use the links below for addtional manual pages or for a complete manual (9 pages), click on the Operation/Installation Manual PDF link above.





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