Berner International Air Curtain IDC12-3132AB-3X-T

Disconnect and lockout power from the unit

Ensure all service is performed by qualified personnel

Consider removing the Inlet Screen and Top Access Panel for easier access

Disconnect the wire harness from the motor(s)

Label and remove power wires and thermal cutout circuit wires from the heater assemblies if the unit has electric heat

Remove (4) #12 self-drilling sheet metal screws using a 5/16” hex driver

Accessing the Interior of the Unit

Vacuum and scrape dirt and debris

Check that all parts are cleaned

Ensure the blower module is accessible

Identify and label wires on heaters to be replaced

Remove wires from heaters to be replaced

Install new heaters in reverse order of removal

Check if all connections are secure