BKI COq Convection Oven - Manual (Page 30)

Convection Oven Component Replacement
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Contactors
1. Disconnect the oven power supply by turning OFF the circuit breaker in the power supply service panel.
2. Remove the side panel from the control side of the oven.
3. Loosen Contactor terminal screws and remove wires from Contactor. Record the Contactor wiring
connections before removing the wires.
4. The Contactor is mounted on a rail attached to the control panel. A release tab is located on the bottom of
the Contactor base. To remove the Contactor, insert a flat screwdriver into the release tab and pull the tab
away from the Contactor. While the release is pulled out rock that side of the Contactor up then move it
toward the control board and lift it out of the control panel.
5. Install the replacement Contactor in the same orientation as the original. Tilt the side of the Contactor with
the release tab up slightly and position the Contactor over the mounting rail. Engage the low side of the
Contactor base on the mounting rail then rock the high side down until the release tab snaps in place on the
rail.
6. Attach the wires to the replacement Contactor. Be sure to tighten the terminal screws as specified on the
Contactor.
7. Reattach the side panel to the oven and turn the power supply to the oven ON.
Controller
1. Disconnect the oven power supply by turning OFF the circuit breaker
in the power supply service panel.
2. Remove the side panel from the control side of the oven.
3. Unplug connectors from the Controller by pulling straight out on the
connector.
4. Remove the (4) retaining nuts using a 5/16” nut driver and remove the
failed Controller.
5. Install the replacement Controller over mounting studs in the same
orientation as the original. Reinstall and tighten the (4) retaining nuts.
6. CP0046 CONTROLLER - Set dip switch on replacement Controller as
shown at right.
7. Plug all connectors into replacement Controller.
8. Reattach the side panel to the oven and turn the power supply to the
oven ON.
9. Turn oven On and configure replacement controller as required. Refer to the Operation section of this
manual fro instructions.