This causes the outdoor coils to heat up, melting off any frost and ice that may have accumulated.
(any frost and ice; may have accumulated; ) (This; causes; the outdoor coils to heat up) Context(This causes,List([0, 11))):(the outdoor coils; to heat up; )
This causes,List([0, 11))
any frost and ice This the outdoor coils
may have accumulated causes to heat up
the outdoor coils to heat up