Inspection After Commissioning - Emerson Liebert PEX Series User Manual

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46
Chapter 4 System Power-On Commissioning
8. Commission the FC function: Make sure that the chilled water source is supplied normally. The temperature of the
chilled water ranges from 45.6°F to 48.2°F. Set the temperature point to trigger FC demand, and the chilled water
valve is opened.
To trigger FC demand, you should:
Enter the 'SERVICE MENUS' -> 'SETPOINTS' to set S138 to '8K; enter 'USER MENUS' -> 'SETPOINTS' -> 'HUM
SET' to adjust the humidity setting value to 'T
temperature setting value 'T
triggered and the chilled water valve will be open.
Note
After commissioning, restore the temperature setpoint to the default or original setpoint.

4.3.3 Inspection After Commissioning

After commissioning, check and confirm it according to Table 4-2.
Check that all output functions are automatic
Check that the temperature & humidity setpoints and control
precisions are set correctly
Check that other functions are set correctly
setting hum
' (T
= T
setting temp
setting temp
return air temp
Table 4-2 Inspection after commissioning
Items
Liebert.PEX2 Series Air Conditioner User Manual
' (T
= T
) and then enter 'TEMP SET' to adjust the
setting hum
ambient hum
-2). Wait for 30s, and the FC requirement will be
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