Hoshizaki KM-1601MRH/3 Ice Maker User Manual


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15
1. One Minute
Fill Cycle
2. Harvest Cycle 3. Freeze Cycle
4. Pump-Out
Cycle
Cycle Steps
WV Energized
F/S open
F/S closed
Comp energized
HGV energized
FMR energized
WV continues
Thermistor temp
reaches 48°F (9°C)
(3.9 kΩ or less)
Harvest timer starts
F/S open
Comp continues
FMR continues
HGV de-energized
WV de-energized
PM energized
FMS energized
F/S closed
Freeze cycle
operation turned
over to F/S
Pump motor stops for 2 sec.
and then reverses for 10/20
sec. each 1, 2, 5, or 10
cycles.
Comp continues
FMR continues
HGV energized
FMS de-energized
F/S Check
F/S Check
•Maximuminletwatervalvetime:6minutes
•Maximumharvesttime:20minutes
Thermistor in
control
1 to 3 minute timer in
control
•Minimumfreezetime:5minutes
•Maximumfreezetime:freezetimersetting
5 minute timer
in control
F/S in
control
Initial startup always
begins here
"E"controlboardwill
have 5 second delay
If F/S is open, compressor stops and cycle returns to 1 minute ll
Legend: Comp - compressor; FMS - self-contained fan motor; HGV - hot gas valve; WV - inlet water valve
FMR - remote fan motor; F/S - oat switch; PM - pump motor
"E" Control Board Sequence Flow Chart
KM-1601MRH/URC-21F, URC-22F
KM-1601MRH3/URC-21F, URC-22F
2. Sequence Flow Chart
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