Trane FARRAR ULC Series Installation, Operation And Maintenance Manual page 20

Ultra low storage chamber
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Defrost Setup
Complete the following steps to set up defrosting settings:
1.
Touch the DEFROST CYCLE TIME display to enter the length of time between automatic defrosts.
Note: The available range is 2 to 168 hours. The Factory Default and recommended setting is 24 hours and should not
be changed without consulting FARRAR.
2.
Touch the DEFROST MAX TIME display to enter the length of the defrost cycle.
Note: The available range is 5 to 60 minutes. The Factory Default and recommended setting is 30 minutes, and it
should not be changed without consulting FARRAR.
Note: When the coil temperatures warm to the designated defrost levels, defrosting is (typically) terminated
automatically.
Touch the DEFROST END TEMP display to enter the defrost automatic termination temperature.
3.
Note: The available range is 0°C to +40°C. The Factory Default and recommended setting is 5°C and should not be
changed without consulting FARRAR.
Press the right arrow
4.
Note: Only the cooling coils (evaporators) are defrosted by the automatic defrost system. This keeps the coils clear in order to
maintain air flow through the chamber. Over time, the chamber walls, shelves, doors, etc., will be covered with ice/snow that
must be removed manually. See the General Maintenance section of this manual for chamber defrosting instructions.
Figure 12: Defrost Setup Screen
to go to the next screen.
ULC SERIES INSTRUCTION MANUAL
20

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