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23
Control Board (CB) Setting Menu
Category No. Item Range
IM-500SAA
Default
Water Tank
Ice Control
& Harvest
Cycle Low
Temperature
Control
74
Water Tank Ice Control Lower Temperature
See CB Setting 70, 71, 72, 74 description above.
Harvest Cycle Low Temperature Control
If control board thermistor temperature at the
beginning of harvest cycle is equal to or less than
the harvest cycle low temperature control setting, hot
gas valve repeatedly energizes for 40 seconds then
de-energizes for 40 seconds to promote a balanced
harvest across the evaporator plate.
0 to 40°C
(1°C increments)
27
E. Control Board Information Display
1. With unit on, press and hold the "SERVICE 1" button for 3 seconds. Display changes to
"n1".
2. Use the "SERVICE 1" and "SERVICE 2" buttons to move through the list.
3. Press the "RESET" button to view the item’s value.
4. Press the "RESET" button to return to list.
5. Display returns to normal if no buttons are touched for 20 seconds.
Control Board Information Display
No. Item Description
History Cleared by
Pressing and Holding
SERVICE 1 and
SERVICE 2 Buttons
Simultaneously for
5Sec. when Item Value
is Displayed?
n1
Freeze Cycle Time
During Freeze Cycle: Time since freeze cycle
started.
After Freeze Cycle: Time of previous freeze cycle.
0 to 99 min. No
n2
Freeze Cycle Completion Rate
During Freeze Cycle: Percent of freeze cycle
completed.
After Freeze Cycle: Percent of previous freeze
cycle completed.
0 to 100%
00 = 100%
No
n3
Current Evaporator (Cube Control) Thermistor
Temperature
°C No
n4
Current Control Board Thermistor Temperature °C No
n5
Water Temperature
Temperature at evaporator (cube control)
thermistor 30 seconds after pump motor
energized in freeze cycle plus the water
temperature correction value (Control Board
Setting 13).
"H" if Higher than 48°F
(9°C)
"L" if 48°F (9°C) or
Lower
No
n6
Current Condenser Thermistor Temperature
Not Applicable to IM-500SAA
°C No