Hoshizaki IM-50BAA-LM Service Manual page 12

IM-50BAA-LM
1. 30-Sec.
Cycle
Startup
Steps
Cycle
20 sec.
Startup
HGV energized
Comp energized Comp energized
AMD energized AMD energized
FM de-energized FM de-energized
WV de-energized WV energized
PM de-energized PM de-energized
HGV energized HGV energized
Shutdown and Restart Sequence Flow Chart
Shutdown
1. Bin Full
and Restart
BC Operation
BC closed 10 sec. or more.
(Ice is pushing BC actuator paddle).
Shutdown occurs at end of harvest cycle.
Legend:
AMD–actuator motor down
CBT–control board thermistor
FM–fan motor
PS–position sensor
2. Harvest Cycle
• Max. harvest time: 30 min.
WV: energized
WT<55.4°F (13°C): ET≥50°F (10°C)
(CB Setting 10)
WT≥55.4°F (13°C): 60sec.
(CB Setting 11)
ET≥50°F (10°C)
(CB Setting 1)
Water Tank Opened
(Actuator Motor PS)
Comp energized
AMD de-energized
FM de-energized
WV energized
PM de-energized
HGV energized
2. Icemaker Off
All components
de-energized.
3. Freeze Cycle
WV: energized 24 sec.
WV: energized 10 sec.
(CB Setting 12)
(CB Setting N/A)
Water Tank Closed
(Actuator Motor PS)
Comp energized Comp energized
AMU energized
AMU de-energized
FM energized FM energized
WV energized WV energized
PM de-energized PM de-energized
HGV de-energized HGV de-energized
3. Ice Level
Lowered
BC open 50 sec. or more
(Ice is not pushing
BC actuator paddle).
AMU–actuator motor up
Comp–compressor
HGV–hot gas valve
WT–water temperature
11
• Max. freeze time: 90min. (CB Setting 6)
WV: energized 12 sec.
(CB Setting 15)
Comp energized
AMU de-energized
FM energized
WV energized
PM energized
HGV de-energized
1. 30-Sec. Startup
Cycle
Icemaker restarts at
1. 30-Sec. Startup Cycle.
BC–bin control
ET–evaporator thermistor
PM–pump motor
WV–inlet water valve
WV: energized 12 sec.
(CB Setting 61)
ET≤-20.2°F (-29.0°C)
(CB Setting 2)
Comp energized
AMU de-energized
FM energized
WV energized
PM energized
HGV de-energized