Champion UH330 ADA Installation & Operation Manual page 15

Booster Heater Conversion from 1PH to 3PH Operation (continued)
THE BOOSTER HEATER IS WIRED FOR 1PH OPERATION WHEN SHIPPED.
FOLLOW THE INSTRUCTIONS BELOW TO WIRE THE BOOSTER FOR 3PH.
3. Disconnect the existing booster heater wires and change the booster heater element
jumpers as shown in the illustration below
4. Connect wires 1H1, 1H2, and 1H3 as shown below.
Booster Heater
Connected for 1PH
1H2
Wiring Diagram - Booster heater element connections shown for 1 phase and 3 phase operation.
5. A replacement 3PH data plate is stowed on the back of the lower front access panel.
6. Replace the existing 1PH data plate on the front of the panel with the new 3PH data plate.
Discard the 1PH data plate.
7. Refer to the instructions on the next page to connect the main incoming power to the
machine.
! VERY IMPORTANT !
Wire not
connected
1H1
1H3
Booster Heater
Connected for 3PH
1H3
Installation
1H1
1H2
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