Blog

what is the primary water source for a water cooled recovery unit’s condensed coil?

What is the maximum allowable factory charge of refrigerant for Type 1 appliances using CFCs, HCFCs, or HFCs?

Which of the following statements about recycling and recovery equipment used for stationary refrigeration is FALSE?

which condition requires accessing both the high and low side of the system for refrigerant recovery when using the system-dependent (passive) recovery process?

What type of appliances are technicians certified to charge and open after passing the Type 1 examination?

Excessive running of a purge system on a low-pressure chiller generally indicates what condition?

Which of the following is NOT required for an appliance that is using an ozone-depleting refrigerant to be mothballed (thereby extending the leak repair deadline)?

Which of the following refrigerants has the lowest ozone depletion potential?

It is best practice to use dry nitrogen to break the vacuum when dehydrating by the triple evacuate method. However, it;

Which type of refrigerant is the most harmful to stratosphere ozone?