1) K4 energizes.
2) D77 turns on.
B. 1PRS senses 840 mV.
C. 3MTR de-energized.
1) K4 de-energizes.
2) D77 turns off.
Rinse Cycle
1. 7MTR energized to add Sanitizer for 8 sec of 10
sec rinse cycle.
A. D64 turns on for 8 sec.
2. RINSE displayed.
3. 2MTR energized for 10 sec.
A. K7 energizes.
B. D72 turns on.
4. 2MTR de-energized.
A. K7 de-energizes.
B. D72 turns off.
5. READY displayed.
6. Unit stays in the ready mode until a wash cycle
is initiated or power is turned off.
Power Down Sequence
1. Push Power Button.
2. DRAIN displayed.
A. 3MTR Drain pump energized.
1) K4 energizes.
2) D77 turns on.
B. Water is pumped from sump.
C. 3MTR Drain pump de-energized.
1) K4 de-energizes.
2) D77 turns off.
3. Water is pumped from holding tank.
A. 2MTR energized for 18 sec.
1) K7 energizes.
2) D72 turns on.
B. 2MTR de-energized.
1) K7 de-energizes.
2) D72 turns off.
4. Drain pump energized for 20 sec.
A. 3MTR energized.
1) K4 energizes.
2) D77 turns on.
B. At end of 20 sec 3MTR de-energized.
1) K4 de-energies
2) D77 turns off.
5. Dishwasher shuts off.
SU-H SEQUENCE OF OPERATION
NOTE: Machine connected to Supply voltage - Power
Button has not been pushed
NOTE: Use SU-H (3 WIRE - 1PH) WIRING
DIAGRAM for sequence
Conditions 120/208-240/60/1
1. 120 VAC to 1T and 24VAC to Power Supply
Board
2. Power Supply Board 5VDC to Control Board
3. Control Board supplies 3.3 VDC processor circuit
voltage
4. L1 to one side of K11-COM / 1CON-L1 / 1CR-2
5. L2 (208-240V) to one side of 2MTR / 1MTR /
1CON-L2 / 1CR-6
6. L3/N to one side of 3MTR / 1SOL / 1CR / 1CON
7. Door closed
8. Water supply at correct temperature and manual
valve is open
9. 1 thru 4TAS closed
Power-Up Diagnostics
1. Power button pushed
2. Machine type SU-H displayed
3. Processor checks all sensors and probes for
being within range of operation
• Item name displayed on error
4. K11 relay energized - N.O. contacts close
A. L1 voltage to K6-COM / K7-COM
5. If water is detected in sump or booster/holding
tank, the machine will empty prior to filling.
A. 1PRS has a reading of 500 mV or greater a
drain cycle is initiated.
B. Sump is drained - 3MTR energized for 80
sec
C. 3MTR de-energized
SG, SU-L, SU-H DISHWASHERS - ELECTRICAL OPERATION
Page 49 of 59 F45577 (1215)
To Next Page
Loading...
