Accessing The Control Box Electronics; Replacing A Temperature Control Board; Replacing A Transformer, Contactor Or Relay - Dean SR114E Service & Parts Manual

1.3

Accessing the Control Box Electronics

(Transformer, Contactor and Relay)
1. Unplug the power cord.
2. Open front door of cabinet and remove the two screws from the top of the control box cover to
remove the cover.
1.4

Replacing a Temperature Control Board

1. Unplug the power cord.
Electronics.
2. Remove the 2 screws from the bottom of the controller faceplate.
3. Remove the setscrew from the controller knob.
4. Unplug the connector from the controller board.
5. Remove the nuts from each stud on the control board and slide the board from the studs. Ensure
that standoffs remain in place on studs, prior to installing new board. Install the new board by
reversing the previous procedures.
6. Perform Procedure 1.2 to recalibrate the temperature control knob.
1.5

Replacing a Transformer, Contactor or Relay

1. Unplug the power cord. Perform Procedure 1.3, Steps 1-2, Accessing the Control Box
Electronics.
2. Remove all wiring from the terminals of the transformer, contactor or relay to be replaced,
ensuring that each wire is marked for reattachment.
3. Remove the screws that secure the transformer, contactor or relay to the control box.
4. Install the new transformer, contactor or relay by reversing the preceding procedures. Make sure
you reconnect the wiring to the proper terminals.
Perform Procedure 1.3, Steps 1-2, Accessing the Control Box
1-2