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7.2 ADJUSTING THE REFRIGERATION COMPRESSOR RELAY TRIPPING DIFFERENTIAL
A. Press and hold the
[SET]
button until PA1 displays on the screen.
B. When
PA1
displays, press
[SET]
once.
0
will now display.
C. When
0
is displayed, press
[Up]
button once, setting the value to
1
. When
1
displays, press
[SET]
button.
diF
will display.
1.
diF
is the refrigeration compressor relay tripping differential. The refrigeration compressor
shuts off when the temperature reaches the set point and turns back on when the
temperature is equal to the sum of the set point and the
diF
. Default Value = 6˚F.
D. When
diF
displays, press
[SET]
to adjust the differential. Use
[UP]
and
[DOWN]
buttons to
increase or decrease the value.
E. Press
[SET]
button to save the entered value when done.
F. To return to the home screen, press the
[Stand-By]
button once.
7.3 ADJUSTING THE DEFROST ENDURANCE TIME
A. Press and hold the
[SET]
button until
PA2
is displayed on the screen.
B. Press and hold the
[SET]
button until
diF
is displayed on the screen.
C. Scroll by pressing the
[DOWN]
button until
dEt
displays on the screen. When
dEt
displays on
the screen, press the
[SET]
button.
1.
dEt
is the defrost endurance time. This is the time interval in minutes for which the unit will
defrost. Default Value = 30 minutes. This can be adjusted by pressing the
[UP]
or
[DOWN]
button.
7.4. ADJUSTING THE TIME INTERVAL BETWEEN DEFROSTING CYCLES
A. Press and hold the
[SET]
button until
PA1
displays on the screen.
B. When
PA1
displays, press the
[SET]
button once.
0
will now display.
C. When
0
displays, press the
[UP]
button once, setting the value to
1
. When
1
displays, press the
[SET]
button.
diF
will display.
D. When
diF
displays, press the
[DOWN]
button once.
PA2
will display.
E. When
PA2
is displayed, press the
[SET]
button.
F. Scroll by pressing the
[DOWN]
button until dit is displayed on the screen. When
dit
displays on
the screen, press the
[SET]
button.
1.
dit
is the defrost interval time. This is the time interval between the start of two defrost
cycles in hours. Default Value = 12 hours.
G. Use the up and down arrow buttons to increase or decrease the time interval between the start
of two defrost cycles.
1. Value Range = 0 – 250 hours.
NOTE:
Setting this value to 0 will turn off the defrost cycle.
H. Press the
[SET]
button to save the entered value when done.
I. To return to the home screen, press the
Stand-By
button once.
7.5 CHANGING THE CONTROLLER FROM FAHRENHEIT TO CELSIUS
.
A. Press and hold the
[SET]
button until
PA2
is displayed on the screen.
B. When
PA2
is displayed, press the
[SET
] button.
C. Scroll by pressing the
[DOWN]
button. When dro displays, press
[SET]
.
D. The display will now show 1.
NOTE:
1 is the default value for degrees Fahrenheit.
E. Press
[DOWN]
button once to change value to 0.
NOTE:
0 is the default value for degrees Celsius.)
F. When 0 displays, press
[SET]
. °C will display in the bottom right corner.
G. To return to the home screen, press
[Stand-By]
once.
NOTE:
Make sure the set point and relay tripping differential have been changed when changing
the unit of temperature.
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