4055552154 Genuine Terminal Block Assembly for Electrolux Group Split System Air Conditioners, Wiring Connection Block

Genuine Electrolux part 4055552154 is a terminal block assembly for a split system air conditioner. A terminal block is where the power supply and the interconnecting cable between the indoor and outdoor units are connected. Order it when a terminal has burnt, cracked, or will no longer hold a wire firmly. Because it carries mains power, it must be replaced by a licensed electrician or a licensed air conditioning technician.

Burnt terminals and loose connections in a split system

Power and control wiring in a split system passes through terminal blocks. If a screw works loose or a wire was under-tightened, the connection heats up under load. Over time that heat discolours and melts the plastic, and the unit may trip the breaker, shut down with a communication error, or run intermittently. A burnt smell or brown marks around the terminals are clear warnings. Simply tightening a scorched terminal is not a fix, as the damaged block will keep overheating.

Part details

• Genuine Electrolux part 4055552154
• Terminal block assembly for a split system
• Indoor or outdoor position not on file
• Replacement by a licensed electrician or technician

Safe replacement of the terminal block

Split systems are hard-wired, so this work needs a licensed electrician or air conditioning technician. They will isolate the circuit at the switchboard and lock it off, label each wire, move them across to the new block and tighten the screws correctly. Any wire with heat damage should be cut back to clean copper before refitting.

Questions about this part

Why did my terminal block burn?

Most burnt terminals come from a loose or poorly tightened connection that has heated up over time. Corrosion and moisture can also play a part. Your electrician should check the wiring and the circuit while fitting 4055552154.