Phase Reversal Check - Hoshizaki JWE-620UA-6B Installation Manual

Wire
Retainer

6. PHASE REVERSAL CHECK

The unit is provided with a phase reversal relay to prevent operation in case of phase
reversal. To check for phase reversal, follow the steps below.
1) Make sure all wiring connections have been properly made. For details, see "5.
ELECTRICAL CONNECTION".
2) Turn on the power supply, then move the power switch (GFCI) to the "ON" position.
3) If the display is blank, move the power switch (GFCI) to the "OFF" position, turn off the
power supply, then skip to the next section. If the display shows "H7", move the power
switch (GFCI) to the "OFF" position, then proceed to step 4.
4) Turn off the power supply. Lockout/Tagout to prevent the power from being turned back
on inadvertently.
5) Swap 2 of the power wires attached to the power switch (GFCI).
6) Turn the power supply back on, then move the power switch (GFCI) to the "ON" position.
Confi rm that the display does not show "H7".
7) Move the power switch (GFCI) to the "OFF" position, then turn off the power supply.
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12
Control Box Cover (A)
* Remove 3 screws