Automist Control; Oven Temperature Sensor, How To Replace - Nu-Vu OP-2FM Owner's Manual

SERVICE AND REPLACEMENT GUIDE
H. Attach all electrical wiring as labeled. Make sure all connections are clean and tight.
IMPORTANT: THE RED LEAD FROM THE SENSOR CABLE MUST BE
INSTALLED ON THE TC "-" TERMINAL!
I. Replace the Control Access Panel and secure it with the two mounting screws. Be careful not
to pull or pinch any wires when replacing the panel. Install the Control Knob by pressing it onto
the end of the Control shaft.
J. Restore electrical power to the unit and test the replacement Control for proper operation. We
recommend that any replaced Temperature Control be checked for proper adjustment (refer to
START–UP and TEMPERATURE CONTROL, How to Adjust).
AUTOMIST Humidity Control - -
A. Remove the Knob from the Humidity Control [81] by pulling it straight out from the face of the
Proofer Control Access Panel [74] (refer to Figure #15 on page 37).
B. Remove the mounting screws on the Control Access Panel and gently pull the panel toward you.
C. Remove the mounting screws from the Humidity Control and pull it out from the back of the
Control Access Panel.
D. Label and disconnect all electrical wiring to the Humidity Control.
E. Attach the electrical wiring to the replacement Humidity Control as labeled. All connections
must be clean and tight.
F. Position the replacement Humidity Control on the back of the Control Access Panel and secure
it in place with the two mounting screws.
G. Replace the Control Access Panel and secure it with the two mounting screws. Be careful not
to pull or pinch any wires when replacing the panel. Install the Control Knob by pressing it onto
the end of the Control shaft.
H. Restore electrical power to the unit and test the Humidity Control for proper operation.

OVEN TEMPERATURE SENSOR, How To Replace:

MAKE SURE ALL POWER TO THE UNIT IS OFF. FAILURE TO DO SO MAY CAUSE
SEVERE EQUIPMENT DAMAGE OR PERSONAL INJURY!
A. Locate the Temperature Control Sensor [5] on the Oven Sidewall [53] and slide the Control
Sensor out of its mounting bracket (refer to Figure #7 on page 25).
B. Remove the Side Access Panel [76] from the Control side of your unit. Carefully pull the old
Control Sensor and its cable through the side of the Oven.
C. Remove the two mounting screws in the Oven Control Access Panel [73] and gently pull the
Control Access Panel toward you. Disconnect the Sensor wires from the Control Circuit Board
and mark each one as it is removed. Remove the old Control Sensor and cable.
D. Uncoil the new Control Sensor and its cable, using extreme care not to kink, twist or damage
it in any way!
E. Feed the Sensor end of the new cable through the side of the Oven and secure the Sensor in the
mounting bracket on the Oven Sidewall.
F. Connect the wires at the end of the Sensor cable to the Temperature Control Circuit Board.
Replace the Control Access Panel and secure it with the two mounting screws. Be careful not
to pull or pinch any wires when replacing the Control Access Panel.
NU–VU® FOOD SERVICE SYSTEMS
page 32
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OP–2FM OWNER'S MANUAL
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