SMC Networks HRS090-A, Operation Manual

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HRX-OM-S004
Chapter 7 Control, Inspection and Cleaning
HRS Series
7.4
Operation Stop for an Extended Period of Time
7-9
7.4.2 Discharge of the facility water (Water-cooled type)
1.
Turn OFF the earth leakage breaker of the user’s power supply.
2.
Stop supplying the facility water, and make sure that there is no pressure applied inside
the piping.
3.
Remove the piping from the inlet and outlet ports of the facility water
4.
Open the front panel of the electrical unit, and open the air release valve to discharge
the facility water.
Fig. 7-4 Discharge of the facility water
5.
After discharging all the facility water, close the facility water drain valve and mount the
front panel of the electric unit back to the product.
z Before discharding the facility water, stop operation of the user’s
equipment and release the residual pressure.