HRX-OM-Q026 
Chapter  3   Transport  and  Setting  Up 
 
3.5 Circulating Fluid Supply  HRSH Series 
 
  3-34 
3.  Supply the circulating fluid to the water fill port.   
 
Please supply the circulating fluid to the fluid level between “HIGH” and 
“LOW” levels of the fluid level gauge. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fig. 3-23 Supplying the fluid to the water fill port (An example) 
 
⚫ Confirm that the valve of the drain port is closed to prevent the 
supplied circulating fluid from draining out. 
 
⚫ Confirm that the fluid level is between “HIGH” and “LOW” levels of the 
fluid level gauge. If it exceeds the specified level, the circulating fluid 
Be sure to connect the piping from the overflow port to the drainage 
pit to drain the excessive amount of the fluid from the tank.