U-Line 3090WCWC User Manual page 70

USER GUIDE
SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
Offsets
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Can be displayed in Celsius
Down
NOTICE
Customer care MUST be notified and approve of
any changes to the differential before they are
made. Failure to notify customer care will void
the warranty.
Offsets are used to adjust or correct thermistor readings.
Offset values are added to the current thermistor reading
and are then used by the control board to determine
cooling and defrost cycle times. Offsets have a range of
+/- 10°F (5°C). Corrected values may be viewed through
the customer "All Temps" menu or TTY output.
To access Offsets
1. Press to select "Offsets".
2. Press .
3. Press and to scroll through available
thermistors.
To change offset
4. Press , the selected thermistor will begin to flash.
5. Press or to modify offset value.
6. Press to confirm setting.
To exit the Offset menu, press
Menu" and press to confirm.
Select
RETURN TO MENU
OFFSETS
ZONE = 1°F
EVAP = 1°F
to select "Return to
Self Test
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Self test is used to initiate a self diagnostic report. Any
system faults will be displayed under Self test. If no errors
are present "no errors" will be displayed and the main
control board is functioning properly. The main control
board is extremely robust and should rarely require
service. Most issues are external to the control. Reference
troubleshooting for more information.
To access Self Test
1. Press to select "Self Test".
2. Press .
3. Press and to scroll through available
information.
To exit the Self Test, press
and press to confirm.
Differentials
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Can be displayed in Celsius
Down
Differentials are used to determine the maximum variation
from set point and have a range of 0 through 10. The
table below shows the effect of differentials on cooling
cycles with a set point of 45°F (7°C).
u-line.com
Select
RETURN TO MENU
SELF TEST
NO ERRORS
try "RELAY TOGGLE"
to select "Return to Menu"
Select
RETURN TO MENU
DIFFERENTIALS
ZONE = 1°F
Control Operation - Service 6