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Electrical System | Section 6 |
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Harvest Sequence
5. WATER PURGE
The harvest valve(s) opens at the beginning of the water purge to divert hot refrigerant gas into the evaporator.
The water pump continues to run, and the water dump valve energizes for 45 seconds to purge the water in the sump trough. The water fill valve energizes and
After the 45 second water purge, the water fill valve, water pump and dump valve
The air compressor (when used) will energize after 35 seconds.
L1 |
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| L2 or N |
Ground |
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| Water Valve | (99) |
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| (20) | ||
(89) | (55) | (21) |
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(61) | (22) |
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High |
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Control Board |
| Harvest Valve |
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Pressure |
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(2) |
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(88) Cutout | (60) | (77) |
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(6) |
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| (80) |
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| (5) |
| Dump Valve | (75) |
| (1) |
| (76) |
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| (7) |
| (81) |
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| (4) | (57) | Water Pump |
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| (98) |
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(42) | Trans. | (58) |
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| Fuse (7a) | Terminates at |
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| Pin Connection |
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| (59) |
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| L2 |
| Contactor Coil |
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| (25) |
| (56) |
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| (26) | Air Compressor |
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Ice Thickness |
| (9) |
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| (74) |
Probe |
| (8) |
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Water Level Probe |
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| Bin Switch | |
| Low DC |
| (6) |
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| Voltage |
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| Clean |
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| Plug |
| (1) | |
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| OFF | ||
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| (2) | ICE |
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| (Red) |
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| Compressor |
| Run Capacitor | |
Contactor | Overload | (Yellow) | (46) | ||
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| (50) | ||
Contacts |
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(Black) |
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| (45) |
L1 |
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(51) | (85) | (86) |
| PTCR | |
| Fan Motor | ||||
| Fan Cycle |
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| Control |
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Run Capacitor | |
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Table |
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| 5. Water Purge (45 Seconds) | |
Toggle Switch |
| ICE | |
Bin Switch |
| Closed | |
Control Board Relays |
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#1 | Water Pump |
| ON |
#2 | Harvest Valve (Left) |
| ON |
#3 | Harvest Valve (Right) |
| ON (When Used) |
#4 | Air Compressor |
| ON; after 35 seconds |
#5 | Water Inlet Valve |
| 30 seconds OFF, |
| 15 seconds ON | ||
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#6 | Water Dump Valve |
| ON |
#7 | Contactor Coil |
| Closed / ON |
#7A | Compressor |
| ON |
#7B | Condenser Fan Motor |
| OFF; May Cycle ON |
Safety Controls (Which could stop ice machine operation) |
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| High Pressure |
| Closed |
| Main Fuse (On Control Board) |
| Closed |
Part Number |