1. Startup
F-300BAF, F-500BAF Sequence Flow Chart and Component Operation
Flush switch in "ICE" Power switch "ON"
1. Fill Cycle 
2. Ice Purge Cycle
60 sec. timer 
3. Icemaking Cycle
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| Refill Cycle |
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| UF/S closes terminating | |||
LF/S opens |
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| 90 sec TC. | |||
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| If refill > 90 sec. TC | ||||
initiating refill |
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and 90 sec. TC |
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4. Low Water Safety
If refill achieved, icemaking cycle starts and timers are reset.
90 sec. timer 
60 sec. timer 
FR energized WCR
Low water safety ciruit closed. (Terminals 3 and 4 on timer board)
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| UF/S open | LF/S closed |
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| UF/S open |
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| Comp energized |
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| LF/S open | UF/S closed |
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| 90 sec. TC exceeded |
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LF/S closed | FMS energized | 90 sec. TC started | 90 sec. TC ended | Comp | ||||||
WCR | ||||||||||
UF/S closed | WCR continues | WCR | WCR energized | WV continues | FMS | WV continues | ||||
FR continues | ||||||||||
WCR energized | GM continues | WV energized | WV | Comp continues | WV continues | |||||
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WV | GMPR continues | Comp continues | Comp continues | GM continues | GM continues |
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GM energized | FR continues | GM continues | GM continues | FMS continues | GMPR continues |
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GMPR energized |
| FMS continues | FMS continues | GMPR continues | FR continues |
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FR continues |
| GMPR continues | GMPR continues | FR continues |
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| FR continues | FR continues |
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2. Shutdown & Restart
1. Bin control proximity switch | 2. Compressor and fan motor |
opens to stop ice production. | |
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3. Gear motor
4. Bin control proximity switch closes. Reservoir fills. LF/S and UF/S close. Gear motor starts 6.7 seconds later.
5. Compressor and fan motor energize. Ice production begins in 4
12 | Bin control operation |
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| 90 seconds |
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| 60 seconds | |
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6.7 sec.
60 seconds
to 6 minutes.
BC open | Comp |
FR | FMS |
WCR | GM continues |
FWV energized | GMPR continues |
Comp continues | FWV continues |
FMS continues |
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GM continues |
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GMPR continues |
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GM
BC closed | LF/S and UF/S close | Comp energized |
FR energized | WCR energized | FMS energized |
WV energized | WV | GM continues |
FWV | GM energized | GMPR continues |
| GMPR energized | WCR continues |
| FR continues | FR continues |
Legend:
BC - bin control Comp - compressor
FMS -
FWV - flush water valve GM - gear motor
GMPR - gear motor protect relay LF/S - lower float switch
TC - timer control UF/S - upper float switch WCR - water control relay WV - inlet water valve
Components Energized when the Flush Switch is in the FLUSH Position
The FLUSH position is used when cleaning and sanitizing the machine. When in the FLUSH position, power is supplied to the flush valve. This allows cleaner and sanitizer to drain from the evaporator assembly.
