HRX-OM-M090 
Chapter 4   Starting the Product 
 
4.5 Check items after starting  HRS Series 
 
 
4-8  
If the valve locates in circulating piping, do not fully close the valve 
(0L/min). The pump may be damaged. 
 
4.5  Check items after starting 
Check the following items after starting the product. 
 
 
 
 
 
 
z 
There is no leakage from piping. 
z 
There is no drain of circulating fluid from the tank drain port. 
z 
The circulating fluid pressure is within the specified range. 
z 
The tank level is within the specified range. 
 
4.6  Adjustment of Circulating Fluid 
  Flow adjustment 
If the flow rate is less than 7L/min it will not be able to achieve the specified 
cooling capacity. The adjustment of flow rate should be performed using a 
manual bypass valve and monitoring the pressure or flow rate in the 
customer’s device, referring to the recommended piping flow shown in 
Figure 3-12, until they reach the required value. 
 
 
 
 
 
 
 
 
 
 
 
When an Alarm is seen, press the [STOP] button and then turn off the 
power supply switch to stop the product, and turn off the breaker of 
the user’s power supply to isolate the product.