Curbs can be prefabricated, but many larger curbs are shipped unassembled.
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Q13: It should be noted that, in most
Q14: Be sure to provide proper and adequate
Q15: Improper clearances do not affect the ability
Q16: Package units are factory-assembled, factory-charged, self-contained systems
Q17: By raising the forearm in the air,
Q19: Although packaged air-conditioning equipment comes precharged with
Q20: The amount of refrigerant indicated on the
Q21: The economizer is able to increase or
Q22: Many rooftop package units are equipped with
Q23: Explain the term "free cooling."
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