What type of zone control to some communicating ductless mini-split systems use?
What will be an ideal response?
Variable refrigerant velocity systems have multiple indoor coils connected to a single outdoor condensing unit that has a variable speed compressor. The communicating control system allows the unit to match its capacity to the combined required capacity of the multiple indoor units
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A poorly or non-functioning catalyst will fail the ____________________ monitor on an OBD II vehicle.
Fill in the blank(s) with the appropriate word(s).
A system that is related to the column-mounted electric steering system is the ________ mounted system
A) Bunion B) Onion C) Pinion D) Minion
A P0107 DTC is being discussed. Technician A says a that defective MAP sensor could be the cause. Technician B says that a MAP sensor signal wire shorted-to-ground could be the cause. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Before starting the unit:
A) Purge the system with nitrogen. B) Remove the refrigerant. C) Check the low- and high-side pressures. D) Check the power supply with the unit off.