SMC Networks HRS090-A, Руководство по эксплуатации

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HRX-OM-S004
Chapter 7 Control, Inspection and Cleaning
7.4
Operation Stop for an Extended Period of Time HRS Series
7-8
7.4 Operation Stop for an Extended Period of Time
If there is a concern that the product will not be operated for an extended
period of time or there is a possibility of freezing in the winter time, take the
measures according to the instructions shown below.
1.
Turn OFF the earth leakage breaker of the user’s power supply. (Turn OFF the breaker
for the optional breaker for option B [Earth leakage breaker].)
2.
Discharge all the circulating fluid completely from the thermo-chiller.
Please refer to ’’7.4.1 Discharge of the circulating fluid’’ for the method of drain the
circulating fluid from the product.
3.
After discharging the circulating fluid, cover the product with a sheet (to be prepared by
user) before storing the product.
7.4.1 Discharge of the circulating fluid
1.
Turn OFF the breaker of the user’s power supply.
2.
Close the valve at the automatic water fill port.
3.
Open the ball valve at the pump drain port, and discharge the circulating fluid.
4.
Confirm that all the circulating fluid has been discharged completely from the user’s
equipment and piping, and then purge air to the circulating fluid outlet port of the
product.
5.
Close the ball valve after discharging the circulating fluid.
z Before discharging the circulating fluid, stop the user’s equipment
and release the residual pressure.