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8. Freeze Timer (S4 dip switch 9 & 10)
Adjust to proper specification, or the icemaker may not operate correctly.
The freeze timer setting determines the maximum allowed freeze time to prevent possible
freeze-up issues. Upon termination of the freeze timer, the control board initiates the
harvest cycle or pump-out cycle. After 2 consecutive freeze timer terminations, the
control board shuts down the icemaker. In this case, see "II.I.3. Low Ice Production"
for possible solutions. The freeze timer is factory set and no adjustment is required.
Before changing this setting, contact Hoshizaki Technical Support at 1-800-233-1940 for
recommendations.
9. Float Switch Control Selector (S5 dip switch 1)
Do not adjust. This must be left in the factory default position or the icemaker will
not operate correctly.
Float switch selector used in applications where refill is required in the freeze cycle.
Refills set by S5 dip switch 2 and 3. Note: In single float switch with upper float operation
only 1 refill allowed. (reword).
• Single float switch application:
• With S5 dip switch 1 in the "OFF" position, control board monitors the lower float switch for
refill operation.
• With S5 dip switch 1 in the "ON" position, the control board monitors the upper float switch
for refill operation. In this case no upper float switch exists, therefore the control board
reads an open upper float switch immediately when the freeze cycle starts and initiates a
refill. Since there is no upper float switch to close and terminate the refill, the refill lasts for
a maximum of 1-min. During the 1-min. refill, LED 4 is on.
• Double float switch application: Float switch control selector determines which float
switch (upper or lower) the control board monitors for refill control during the freeze
cycle.
S4 Dip Switch Setting
No. 9
OFF
OFF
ON
ON
S5 Dip Switch Setting
No. 1
OFF
ON
NOTICE
Time
(min.)
No. 10
OFF
60
ON
50
OFF
70
ON
75
NOTICE
Upper or Lower Float Switch
Control
Lower Float Switch Enabled
Upper Float Switch Enabled
(this setting is ignored if refill counter
(S5 dip switch 2 and 3) set to 0)
44
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