Service & Troubleshooting第 88 / 110 题
Recommended routine maintenance to preserve airflow and efficiency includes what?
a.Adding refrigerant every visit
b.Replacing the compressor annually
c.Regularly replacing or cleaning air filters and cleaning coils
d.Removing the condensate trap
解析
Routine maintenance such as changing filters, cleaning evaporator and condenser coils, and clearing condensate drains preserves airflow, capacity, and efficiency. Adding refrigerant should only follow a diagnosed leak and proper charging. Regular service prevents many common failures.
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