Repair manual

ENHANCEMENTS
4 --- 2
cure the burner assembly to the burner support
by tightening the three 1/4”-20 screws.
20. Reattach the union betw een the gas stack and
the new burner assembly. the nipple should
extend through the hole in the side of the con-
trol box.
21. Connect and seal the gas stack to the external
gas piping assembly. Use pipe joint com-
pound resistant t o LP gases.
22. Reinstall the piping support bracket.
23. Connect the flame sense wire to t he ignition
control (sense 4). Refer to FIGURE 3.
24. Attach the spark wire to the ignition control.
25. Reconnect the burner blower pressure sense
port on the side of the new burner to the pres-
sure switch using the tubing provided.
26. Connect the new burner blower w ires.
NOTE: On some units it may be necessary to
usethe1/4maleterminalsprovided.
27. Connect the burner valve as follows:
A .) Connect the red wire from the burner valve
to MV3 on the ignition control.
B.) Connect the white w ire from the burner
valve to the ground on the ignition control.
28. Replace any existing schematic diagrams with
the new ones provided. Schematics are pro-
vided for both integral control and remote con-
trol ovens. Be sure to use only those appropri-
ate for the oven being upgraded. Discard the
inapplicable schematics.
29. Install the new chain guard onto the chain
guard bracket using t he #10 pan had screws,
washers a nd lockwashers provided. Mount
the chain guard to the floor of the control box
reusing the hardwa re from the old chain
guard. Refer to FIGURE 4.
30. If there was a lower panel with fuses below the
control box door, replace it with the new panel
provided. Move the fuses t o the new panel. Re-
wire the fuses exactly as they were.
31. Reconnect the power to the oven.
32. Cycle the oven on to ensure all systems are
working properly, particularly the burner blow-
er and drive motor.
33. Reconnect the incoming gas line. Turn on main
gas valve and check all fittings for leaks using
proper leak checking procedures.
34. Reinstall the control box cover.
35. Perform a temperature calibration on the oven.
Dimensions are from the inside surface of the control box
1-21/32”
7-9/16”
New RTD Probe location
New High Limit Probe location
FIGURE 1