Control panel overview – Shellab SMO5CR-2 User Manual
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CONTROL PANEL OVERVIEW
Figure 3: Control Panel
Power Switch
The main power switch on the control panel (green lighted I/O) controls all power to the oven. It
must be in the illuminated I (ON) position before any systems or components are operational.
Temperature, Profile, and OTL Controller
The temperature controller for the oven is labeled TEMPERATURE AND HIGH LIMIT CONTROL
and consists of a Watlow EZ-Zone Controller. The control is provided with a digital display and up
and down arrow keys for adjusting
the oven’s temperature set point, performing a calibration, and
choosing pages and adjusting parameter settings while setting up heating profiles. The arrow keys
also control the operations of the oven’s Over Temperature Limit system (OTL).
Figure 4: Temperature Controller
The EZ1 button is used to quick launch Profile 1 or abort any running heating profile (see
). The EZ2 button does not have function associated
with it in the SMO5CR-2.
The green advance button is used to scroll forward through menus and parameters lists.
The
reset button is used to scroll the display back to a previous page or menu while programing
heating profiles. Pressing the reset button repeatedly returns the display to the home page.
Note: On some older Watlow Controllers the Reset button may be labeled with an infinite
∞ symbol
rather than RESET.
A small flashing “2” toward the center bottom of the display indicates when the controller is
powering the oven’s heating elements. A small flashing “1” indicates internal communications
functions within the controller.