Hoshizaki HUR40A(-D) - Manual (Page 24)

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2. Temperature Display
• Displays the cabinet temperature. The factory setting is °F. To change the display to the
°C scale, see "a) Switching the Display Between Fahrenheit and Celsius (F5)" below.
• The cabinet temperature is updated every 30 seconds.
• During defrost, "dF" is displayed in place of the cabinet temperature.
a) Switching the Display Between Fahrenheit and Celsius (F5)
The factory setting is °F. To change the display to °C, follow the steps below.
1) Press and hold both the button and the unmarked, blank button for 5 seconds.
"F5" appears in the display window. (If "F0" is displayed, press the MANUAL
DEFROST button until "F5" appears.)
2) Press the unmarked, blank button to display the current setting (default: "F"). Press
the up or down button to switch to °C. Press the unmarked, blank button
again to save the setting.
3) Press and hold both the button and the unmarked, blank button for 5 seconds.
The cabinet temperature will be displayed using the newly saved temperature scale.
4) Affix the "°C" label supplied with the unit to the display panel, covering "°F" but not the
display window.
b) Adjusting the Setpoint Temperature
The setpoint temperature is the temperature at which the compressor turns on. To set
the setpoint temperature, follow the steps below.
1) Press the button to display the current setpoint temperature.
2) To change the setpoint, press and hold the button while pressing the up or
down button to raise or lower the setpoint.
Model Allowable Setpoint Range Default
Refrigerator (auxiliary code Q5 and earlier)
+21 to +53°F
(-6 to +12°C)
39°F
(4°C)
Refrigerator (auxiliary code Q6 and later)
37°F
(3°C)
Freezer (Door)
-13 to +19°F
(-25 to -7°C)
0°F
(-18°C)
Freezer (Drawer)
2°F
(-17°C)
3) After 10 seconds, the new setpoint will be saved automatically.
Note: For refrigerators, the temperature differential for the compressor to turn off is
-4.5°F (-2.5°C) for auxiliary code Q5 and earlier and -3.6°F (-2.0°C) for auxiliary
code Q6 and later. For 1-section freezers, it is -6.3°F (-3.5°C) and for 2-section
freezers, it is -3.6°F (-2.0°C).