Carrier 42QHF009DS Service Manual page 48

Amendatory capacity demand.
Meanwhile the maximum running frequency will be adjusted according to the outdoor ambient temp.
0 1
T4LimFre5_ADD
49
46
T4LimFre3_ADD
43
41
38
48 / 78
......
2
48
T4LimFre4_ADD
45
42
T4LimFre2_ADD
39
T4LimFre1_ADD
37
No limit
15 16