The size of the copper pipe used in a condenser for a fridge can vary depending on the specific model and design of the refrigerator. It is not solely determined by the fridge's storage capacity (450 liters in this case), but also by other factors such as the cooling system's design, efficiency requirements, and the refrigerant used.
The condenser in a refrigerator is responsible for releasing heat from the refrigerant, converting it from a high-pressure gas to a high-pressure liquid. The size of the copper pipe used in the condenser will be based on the cooling capacity and heat dissipation needs of the fridge's compressor and overall cooling system.
For domestic refrigerators like a 450-liter fridge, the copper pipe size for the condenser is typically in the range of 6 to 9.52 millimeters (1/4 to 3/8 inches) in diameter. However, this is a general guideline, and it's crucial to consult the fridge's manufacturer or refer to the fridge's service manual for precise information regarding the condenser's specifications.
If you're looking to repair or replace a condenser, it's best to reach out to the manufacturer or a qualified appliance technician who can provide you with the correct information and assist with the appropriate replacement part. Attempting to modify or repair refrigeration components without proper knowledge and expertise can be hazardous and may void any warranty on the appliance.