9
Service Manual for
AHPO / EPO Proofer Oven
Figure 8. AC Access and Connect Block with Panel
Removed
The AC Power Access Panel is located on the right side of
the unit next to the Control Cooling Fan.
Remove the two screws securing the panel to the unit to gain
access to the AC Connect Block.
AC INPUT VOLTAGE WIRING CONNECTIONS
Disconnect the electrical power to
the unit and follow lockout / tagout procedures.
Figure 9. AC Wiring Block
Figure 10. Possible Wiring Block Configurations
If the service procedure requires the removal of any covers or
the Control Panel, then verify that there is no voltage present
within the unit before removing them.
Refer to the Electrical Schematic at the end of this manual
for additional information and a complete wiring diagram.
1. Remove the AC Connect Block Cover Plate. The AC
Connect Block Cover Plate is located to the right of the
Control Panel Cooling Fan on the right side of the unit.
2. Referring to Figure 9, use a voltmeter to check for the
presence of voltage.
If aluminum AC supply wire is
present, the unit is not properly wired and must
be taken out of service until it is properly rewired
using copper wire.
3. With AC power removed and proper Lockout and
Tagout procedures applied, ensure that the contacts on
the Connect Block are properly tightened.
INTERNAL LAMP REPLACEMENT
Disconnect the electrical power to
the unit and follow lockout / tagout procedures.
Replacing an internal Lamp does not require removal of
any panels or covers.
