User Guide & Service Manual
USER GUIDE
u-line.com
Control Operation-Service
15. CLEAR ERROR LOG
  To clear errors, press and hold (5 seconds) when
       CLR is ashing.
16. THERMISTOR - 1 DIFFERENTIAL
  This number should not be adjusted
17.  Does not apply to this model
18. 
 Does not apply to this model
19. 
 Does not apply to this model
20. 
 INDIVIDUAL COMPONENT TOGGLE
21. MODEL NUMBER INDICATOR
  Displays the two-digit model number of the specic    
 unit. See Model list table.
22. LIGHT ALL LED SEGMENTS
  This will illuminate all the LEDs on the display to 
 ensure they work properly
23.  ACTIVATE DEFROST /HARVEST
 -Press and hold for 3 seconds to activate
24. 
 FACTORY DEFAULTS
 -Press and hold for 3 seconds to restore all values to      
 factory defaults
25. MAIN SOFTWARE
26. 
 Does not apply to this model
27. 
 FACTORY TEST MODEL
 0 = O, 1 = On
28. 
 COMPRESSOR RPM
29. 
 FREEZE TIME ADJUST (MODEL 54 ONLY)
30. 
 HARVEST TIME ADJUST (MODEL 54 ONLY)
31. 
 LOW TEMP ALARM LIMIT (MODEL 55 ONLY)
32. 
 HIGH TEMP ALARM LIMIT (MODEL 55 ONLY)
Display # Relay / Output
- Option #0 – Exit
- Option #1 – Relay 1
- Option #2 – Relay 2
- Option #3 – Relay 3
- Option #4 – Relay 4
- Option #5 – Relay 5
- Option #6 – Relay 6
- Option #7 – DC Output 1
- Option #8 – DC Output 2
- Option #9 – DC Output 3
- Option #10 – DC Output 4
- Option #11 – DC Output 5
- Option #12 – Serial output (Compressor)
SEE RELAY / OUTPUT CHART
51










