Manufacturers will stipulate the setting of new expansion valves. They are generally set to maintain a superheat of 3.5 to 5o C or 7 to…
Category: Refrigerator service diagnosis and repairs
Generally the performance of the thermostatic expansion valve depends upon the correct location of the thermal bulb. This should be clamped firmly to a horizontal…
It is recommended that a quick acting indicating thermometer be used. Two thermometer probes must be firmly attached to pipework free of frost or ice…