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Instructions for Conversion of Commercial Electric Models
Voltage Conversion
1. Voltage conversion is accomplished by replacing the existing elements with elements that are rated
at the required voltage.
2. To accomplish this conversion refer to the above procedure for KW Conversion ---- Element
Changes.
3. Execute steps 1 thru 8 of that procedure.
Control Box Conversion
Control box conversion is ONLY required when converting water heater
to 18Kw 208v (Kit # 265-43942-18).
1. Open front panel of control box installed on water heater and disconnect the (6) load wires from fuse
blocks.
2. Remove (4) screws joining control box to water heater and remove control box.
Use caution to not damage any of the wire insulation when removing
control box.
3. Install new control box onto the water heater by feeding the wires through the back of the control box
and reinstall (4) mounting screws.
4. Reconnect wires to new fuse blocks. Be certain to match wire colors to Line side of fuse blocks.
Wire Harness
(Load wires)
Control Box
NOTICE
CAUTION
Figure 2. Example of control box removal/installation.
6
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