Middleby Marshall PS500 Iii. Quick Reference Digital Temperature Controller, English, Display

SECTION3-OPERATION

III. QUICK REFERENCE: DIGITAL TEMPERATURE CONTROLLER

Display	"HEAT ON" Light
Shows the Set Point or	Lights when the
the Actual Tempera-	burner or heating ele-
ture in degrees Fahr-	ments, as appropriate
enheit (F) or Celsius	for the oven model,
(C).	are in operation.

ENGLISH

"SP LOCK" Light Lights when the set point is locked out from changes. This setting can only be changed by service personnel.

OVERTEMP Light Lights when the oven temperature is greater than 650°F (343°C). Refer to Quick Refer- ence: Troubleshoot- ing in this section.

Temperature Key Press this key once to view the Actual Tem- perature in the Dis- play.

Unlock Key

Press this key together with the Set Point Key to allow the Set Point to be changed. Changes can only be made for 60 seconds.

Up Arrow and Down Arrow Keys

Press these keys to adjust the Set Point up or down. If the Set Point will not change, refer to Set Point Key and Unlock Key in this section.

"SET PT" (setpoint)

Light

Lights when the set point is shown in the display.

"ACTUAL TEMP" Light

Lights when the Actual Tempera- ture is shown in the display.

Service Key

For use by ser- vice personnel only.

Set Point Key

Press this key together with the Unlock Key to allow the Set Point to be changed.

Changes can only be made for 60 seconds.

15