48 | Regency® E18E Gas Fireplace Insert|48installationSTEP #4: SURROUND INSTALLATION919-216c 11.28.171E18SURROUND INSTALLATION1. Remove glass door and screen from unit by removing 2 screws.See below.2. Remove control box from rear surround by removing 2 screws.Disassemble control box, insert both fan control switch, fancontrol knob and on/off switch. Attach yellow and red wires toon/off switch as shown below and connect 2 female wires fromfan speed control to 2 male wire connectors from wiring harnessat appliance. Reassemble control box.NOTE: The fan speed control is secured using a lock nut. The on/off switch is simply snapped into position and control knob slidesover the fan control switch. Note the orientation of the on/off switchwires. See diagrams below.3. Run wire harness from unit through notch in mounting bracketand then to control box as shown below.4. Attach control box to left mounting bracket with 2 screws.NOTE: The screws are only a guide and do not fasten the bracket.The backing plate keeps the control box in place for ease ofservice.5. Tuck wire harness on left top groove and secure with wireclips.6. Feed power cord through left grommet. (If power outlet ison the right side of the unit, feed power cord through rightgrommet and use wire grommets to secure power cord insidethe unit). See diagram 13.4.7. Secure backing plate with mounting brackets to outer boxby screwing 4 self tapping screws on flanges.Notch inmountingbracketDiagram 13.2Diagram 13.3ONLY TRIM KIT SUPPLIED BY THE MANUFACTURER SHALL BEUSED IN THE INSTALLATION OF THIS APPLIANCE.Retainer Screws Diagram 13.1Yellow wire Red wire2 female wiresDiagram 13.4Power cord(911-245) throughsupplied grommet