2
Installation
! ATTENTION !
ALL DISHWASHERS ARE SHIPPED FROM THE FACTORY WIRED FOR SINGLE PHASE
OPERATION UNLESS SPECIFIED AT THE TIME OF ORDER.
IF YOU ARE CONVERTING A SINGLE PHASE MACHINE TO THREE PHASE BE SURE
TO FOLLOW THE BOOSTER WIRING INSTRUCTIONS ON PAGES 71-72.
Refer to the connection diagrams below to connect main incoming power to the dishwasher.
Electrical Connections - UH330 ADA with Built-in Booster
1PH and 3PH Wiring Diagrams
L1
L2
L3
N
208-230
VAC
208-230
VAC
208-230 VAC
115VAC
GRD
THREE PHASE POWER CONNECTION
Models UH330 ADA
HOW TO CONNECT 3 PHASE POWER
1. Check the data plate on the front of the
dishwasher for the phase of the machine.
.
2. Remove the lower access panel.
3. Pull power connection box forward and out.
4. The Main Terminal Block has terminals for
L1, L2, L3, Neutral and Ground.
5. Connect ground, then connect
L1, L2, L3 to 208-230VAC.
6. Connect a current carrying neutral to N.
7. Main power connections are complete.
If the data plate says the machine is 3 Phase,
then connect a 3 PH power supply.
! VERY IMPORTANT !
THE ELECTRICAL POWER MUST BE A
4-WIRE PLUS GROUND SUPPLY WHICH
INCLUDES A CURRENT CARRYING NEUTRAL.
L1
L2
L3
N
208-230
VAC
0 VAC
0 VAC
115VAC
GRD
SINGLE PHASE POWER CONNECTION
Models UH330 ADA
Do not connect power to L3
HOW TO CONNECT 1 PHASE POWER
! VERY IMPORTANT !
1. Check the data plate on the front of the
dishwasher for the phase of the machine.
.
2. Remove the lower access panel.
3. Pull power connection box forward and out.
4. The Main Terminal Block has connections
for L1, L2, L3, Neutral and Ground.
5. Connect ground, then connect
L1, L2 to 208-230VAC.
6. Connect a current carrying neutral to N.
7. Main Power connections are complete.
If the data plate says the machine is 1 Phase,
then connect a 1 PH power supply.
DO NOT CONNECT POWER TO L3.
THE ELECTRICAL POWER MUST BE A
3-WIRE PLUS GROUND SUPPLY WHICH
INCLUDES A CURRENT CARRYING NEUTRAL.
Summary of Contents for UH330 ADA
Page 41: ...33 Timer Board Connection Diagram...
Page 44: ...36 Blank Page This Page Intentionally Left Blank...
Page 46: ...38 Wash Pump Motor Assembly 1 11 12 2 3 4 5 7 8 9 10 6 13 14 15...
Page 51: ...43 Blank Page This Page Intentionally Left Blank...
Page 54: ...46 Fill Solenoid Valve 1 2 3 4 9 5 6 7 8...
Page 64: ...56 Power Input Block 1 2 3 4 5 6 7 8...
Page 66: ...58 Timer Control Board Assembly Rear View Front View 1 10 2 4 4 5 6 2 4 7 8 9 11 12 13 3...
Page 70: ...62 Control Panel 1 2 2 3 6 5 7 5 10 8 8 9 9 11 10 4 1 2 2 3 6 5 7 5 10 8 8 9 9 11 10 4...
Page 72: ...64 Panels 1 3 4 2 5 6 7 9 8...
Page 74: ...66 Door Assembly 1 10 4 5 6 6 7 7 9 9 8 10 2 3 3 5...
Page 76: ...68 Dish Racks Line Strainer PRV 1 2 3 4...
Page 78: ...70 This Page Intentionally Left Blank Blank Page...
Page 80: ...72 Electrical Schematic UH330B...
Page 81: ...73 SINGLE PHASE THREE PHASE 4 AMP FUSE Chemical Alarm Schematic...
Page 83: ...75 Blank Page This Page Intentionally Left Blank...
Page 84: ......