Air Exhaust - Delta HCH1850 User Manual

4.4

Air Exhaust

You must carry out air exhaust procedures to get the air in the pipe naturally exhausted in
accordance with the following procedures:
1
Fully open the shut-off valve and the bypass valve.
2
Rotate the outlet water pipe's manual exhaust valve counterclockwise.
3
4
After 6~7 seconds, when the air is exhausted and the water begins to be discharged
from the pipe, turn off and lock the outlet water pipe's manual exhaust valve.
InfraSuite RowCool Precision Cooling –
Chilled Water
(Figure 4-3 : Fully open the shut-off valve and the bypass valve)
(Open)
(Figure 4-4 : Open the outlet water pipe's manual exhaust valve)
NOTE:
You must do the air exhaust procedures after any change in the pipeline structure. It
is recommended to install an automatic exhaust valve for external piping. Refer to 3.7
External Piping.
Fully open
Fully close
Outlet water pipe's
manual exhaust valve
(Rear)
30