Sub-
menu
ID
Meaning
Default R407c Default R410a
Default R407C
W/LT
Default R410a
W/LT
Comments
Metric Imperial Metric Imperial Metric Imperial Metric Imperial
C92 Load configuration from USB flash drive. Pressing ENT will execute the function immediately.
C98 Clear alarm history.
C99 Restore Factory Defaults except EC fan control parameters
Note: Please consult factory before making any changes to the parameter settings. Changing the parameters without proper instructions can
lead to poor system performance.
Table 11.2 Premium Efficiency Control Board Configuration-parameter List (continued)
Figure 11.1 Ziehl-Abegg small, medium and large fan, Liebert MC series MCS, MCM and MCL
Vertiv | Liebert® MC™ Installer/User Guide | 118