44 / 82
EN- Raychem920series-IM-H5687405/15
INDUSTRIAL HEAT TRACING SOLUTIONS
confirm the operation by displaying a “DATABASE LOCKED” message.
IMPORTANT: 920 Operator Console configuration modification access will automatically re-lock
after approximately 5 minutes of keypad inactivity.
3.10.3 UNLOCK DATABASE
Purpose: If a PASSCODE has been enabled (PASSCODE is not set to 0) and the user wants to
modify any of the controller’s configuration pa-rameters using a 920 Operator Console, the
database must first be unlocked.
Procedure: Try modifying any configuration parameter, or select the UNLOCK DATABASE function
(at the end of the “Configuration Mode Main Menu” for V3.11 and up), and a prompt for the
PASSCODE will appear. If the correct PASSCODE is entered, the display will confirm the opera-tion
by displaying a DATABASE UNLOCKED message.
3.10.4 TEST TRACING
Purpose: The TEST TRACING feature provides an easy method of temporarily overriding the
temperature control, without having to modify the CONTROL SETPOINT temperature or any other
configuration parameter.
Procedure: Select the TEST TRACING function to force the output switch on for approximately 30
seconds. After the test time has expired, the unit will automatically revert to normal operation.
IMPORTANT:
• Thisfeatureonlyoverridestemperaturecontrol;itdoesnotoverrideothercontrolparameters
such as power limiting.
• Thisfeatureisinhibitedifthepointisinload-sheddingmode.
3.10.5 DISPLAY TEST (V3.11 AND UP)
Purpose:TheDISPLAYTESTfeatureprovidesaneasymethodofilluminatingeachdisplay
segment and all the LEDs of the 920 Operator Con-sole to ensure that they are functioning
properly.
Procedure:SelecttheDISPLAYTESTandwatchthe920consoletoverifythateachdisplay
segment and each LED is illuminated during the test sequence.
IMPORTANT:Pressinganykeyonthe920OperatorConsolekeypadduringtheDISPLAYTEST
causestheDISPLAYTESTtoabort.
3.11 COPY CONFIGURATION FUNCTIONS V3.11 AND UP
The following functions provide a quick method of setting all of the controller’s configuration
parameters to a predefined state.
3.11.1 COPY DEFAULTS TO COMMON (V3.11 AND UP)
Purpose: Loads Pentair Thermal Managament’ default configuration parameters that are common
to both Point A and Point B as defined in Appendix G.
Procedure: Enter the “Copy Configuration Sub-Menu” and select DEFAULTS TO COMMON.
IMPORTANT:
• Thisfunctionoverwritesthecommunicationconfigurationparameters,whichcouldaffect
existing communications to the controller.
• ThisfunctioncausestheOVERRIDESOURCEforeachpointtobesettoREMOTE.Thisis
because the EXTERNAL INPUT setting is set to NOT USED.
3.11.2 COPY DEFAULTS TO POINT A (V3.11 AND UP)
Purpose: Loads the point-specific Pentair Thermal Managament default configuration
parameters, as defined in Appendix G, for Point A. As well, all of Point A’s maintenance data are