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18
TRUE
SPEC SERIES: STR, STA & STG
www.truemfg.com
INITIATE A MANUAL DEFROST:
May need to unlock control.
WHY: A one time additional defrost may be necessary to clear accumulated frost / ice from evaporator coil.
HOW TO INITIATE A MANUAL DEFROST:
The method to initiate a manual defrost is determined by the Defrost Mode Parameter “DTM” preprogrammed in the controller.
REGULAR TIME DEFROST (TIM)
If controller is preprogrammed for “TIM”, press and release the Manual Defrost button until “dEF” appears.
REAL TIME CLOCK (RTC)
If controller is preprogrammed for “RTC” press the and hold the Manual Defrost button for 5 seconds until “dh1” appears.
Release the Manual Defrost button and then press and hold for an additional 5 seconds until “dEF” appears.
NOTE: Defrost will only terminate once a specific preset temperature or a preset time duration is reached.
LAE Control
Manual Activation
Up Button
Info / Set Point
Button
Stand-By
Button
Manual Defrost /
Down Button
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