Indoor Unit Function - Trane E4AH5E24A1J30A Installation Manual

. Indoor Unit Function

.1 Indoor Fan Speed Adjustment
This function is for the user in the installation, according to the length of the air duct to determine the
best fan speed, so that indoor air supply to achieve the best performance. If the user wants to adjust
the fan speed level, the operation is as follows:
The dip-switch for adjusting the fan speed level is located at SW1 of the indoor unit Main PCB, as
shown in Figure 9-1. Dip-switch have digital end and "ON" end, The setting of dip-switch is explained
as follows:
Figure 9-1 Indoor unit main PCB
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