CHAMPION UL-130 Manual - Manual (Page 14)

4
Installation - Model UH130, UH130B, UH230, UH230B
(Three Phase) Electrical Connections - UH130, UH130B, UH230, UH230B
Field Conversion from Single to Three Phase Operation
! VERY IMPORTANT !
ALL DISHWASHERS ARE SHIPPED FOR SINGLE PHASE OPERATION UNLESS SPECIFIED
FOR THREE PHASE AT TIME OF ORDER.
A label is attached to the main terminal block alerting the electrician that the
dishwasher is wired for single phase operation.
The dishwasher can be converted from single to three phase operation. Refer to the
instructions below and on pages 5-6.
L1 L2 L3 N
208-230
VAC
208-230
VAC
208-230 VAC
115VAC
GRD
THREE PHASE POWER CONNECTION
Models UH130B and UH230B
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.
1. Disconnect incoming power at the main
breaker or service disconnect switch
2. Lock-out and tag the breaker or service
disconnect switch to indicate that work
is being performed on the circuit.
3. Power connections are made at the
Main Terminal Block (MTB) located
at the lower right-hand side of the
dishwasher directly behind the lower
front access panel.
4. Remove the MTB cover and 2 screws
holding the MTB to the machine base
5. Pull the MTB up and forward to make
the electrical connections.
6. Provide a 3 ft. service loop in the supply
cable for machine servicing.
7. Re-install the MTB and the lower
front access panel to complete the
installation.
8. Refer to the connection diagram at left
for 3PH wiring.
! VERY IMPORTANT !
THREE PHASE UH130B and UH230B
The electrical power must be a
4-wire plus ground supply which
includes a current carrying neutral.