I/O Power Supply Boards Assembly; Vacuum Switch - Henny Penny OFE-322 Technical Manual

2-11. I/O POWER SUPPLY
BOARD ASSEMBLY

2-12. VACUUM SWITCH

203
The input/output power supply board assembly distributes
voltage to the various components in the fryer. The board also
receives information from components in the fryer.
1. Remove electrical power supplied to the unit.
To avoid electrical shock or property damage, move the
POWER switch to OFF and disconnect main circuit
breaker, or unplug cord at wall receptacle.
2. Remove the control panel as discussed in Complete Control
Panel Replacement Section.
3. Disconnect the wire assemblies from the board.
4. Using a nut driver or wrench, remove the four keps nuts
securing the board to the shroud.
5. Install the new I/O board assembly in reverse order.
The vacuum switch senses the airflow from the induction blower.
If the airflow is reduced below a set amount, the switch will open
and the I/O board will cut power to the gas control valve, which
will shut the pilot flame off.
1. Remove electrical power supplied to the unit.
To avoid electrical shock or property damage, move the
POWER switch to OFF and disconnect main circuit
breaker, or unplug cord at wall receptacle.
2. Remove the control panel as discussed in Complete Control
Panel Replacement Section.
3. Remove the air hose from the vacuum switch.
4. Label and remove wires from vacuum switch.
Model OFE/OFG-321,322,323,324
2-11