SMC Networks HRSH100-A 20 Series - Operation Stop for an Extended Period of Time; Discharge of the Circulating Fluid

HRX-OM-Q026
Chapter 7 Control, Inspection and Cleaning
7.4 Operation Stop for an Extended Period of Time HRSH 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. (For HRSH--40-
 turn the breaker handle to the OFF position as well.
Turn OFF the breaker inside the panel also when the option B, withearth leakage
breaker, has been selected.)
2. Discharge all the circulating fluid completely from the thermo-chiller.
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 tank 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.
⚫ Before discharging the circulating fluid, stop the user’s
equipment and release the residual pressure.
⚫ For relocation or long-term storage, drain the residual liquid in the piping as
much as possible. Residual liquid may drip during movement or
installation.