Heat Recovery (OASD) - Johnson Controls - Metasys - LIT-12011147 - Software Application - Controller Configuration Tool - 16.0

These selections provide the logic to control a Heat Recovery Enthalpy Wheel or Glycol Loop.

The selection options for Heat Recovery are:

Enable Type

• Dry Bulb

• Enthalpy

• Always On

Enthalpy Wheel

• Single Speed

  • Modulated Bypass Dampers

• Variable Speed

  • Bypass Damper BO

• Wheel Status

  • Loss of Status Strategy

    • Automatic Restart

    • Manual Restart

      • Unit Reset Switch (BI)

• Alarm Management

  • Lockout Switch

  • Frequency Converter Fault

    • Automatic Restart

    • Manual Restart

      • Unit Reset Switch (BI)

  • Motor Overload Tripped

    • Automatic Restart

    • Manual Restart

      • Unit Reset Switch (BI)

  • Belt Alarm

    • Automatic Restart

    • Manual Restart

      • Unit Reset Switch (BI)

• Blocking Protection/Cleaning Mode: This option provides cleaning mode functionality. If the wheel is off for an extended period, the wheel turns on for a short time to keep the wheel free of dirt and dust.

Glycol Loop

• 3-Way Valve

  • Proportional Actuator

  • Incremental Actuator

• Circulation Pump

  • Pump Status

    • Loss of Status Strategy

      • Automatic Restart

      • Manual Restart

        • Unit Reset Switch (BI)

  • Alarm Management

    • Lockout Switch

    • Motor Overload Tripped

      • Automatic Restart

      • Manual Restart

        • Unit Reset Switch (BI)

  • Blocking Protection: This option provides monitoring of the command to a motor (typically a pump). If the command is off for an extended period of time (for example, 7 days), the motor starts for a short time (for example, 30 seconds). This feature prevents blocking (that is, it prevents the motor from seizing up).

Air to Air Heat Exchanger

• Modulated Bypass Dampers