HRX-OM-Q026-B
Chapter 7 Control, Inspection and Cleaning
7.4 Stop for a Long Time HRSH Series
7-6
7.4 Stop for a Long Time
If there is a concern that the product will not be operated for a long period of
time or there is a risk of freezing, conduct the following operations.
1. Shut off the breaker of the customer’s power supply. (Turn off the breaker handle for
HRSH∗∗∗-A∗-40-∗ and the optional breaker for option B [Earth leakage breaker].)
2. Drain the circulating fluid completely.
Please refer to ’’7.4.1 Discharge of the circulating fluid’’ for the method of drain the
circulating fluid from the product.
3. After draining, cover the product with a sheet and store. (Prepare the sheet.)
7.4.1 Discharge of the circulating fluid and facility water
1. Shut off the breaker of the customer’s power supply.
2. Close the valve that connected to the auto-fluid fill port by the customer.
3. Open the ball valves of the drain port and drain the fluid.
4. Confirm that all the circulating fluid has been drained from the product and the user’s
machine and piping, and apply air purge from the circulating fluid return port.
5. After the drainning the circulating fluid, close the ball valve of the drain port.
z Stop the customer device and release the residual pressure before
discharging the circulating fluid.
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