SMC Networks HRW002-H, Operation Manual

Page: 68 / 88

HRX-OM-K003
Chapter 7 System Maintenance
7.3 Storage HRW Series
7-4
7.3.1 Draining of circulating fluid out of tank
1.
Prepare the container for circulating fluid recovery at the back of this system.
2.
Connect the drain hoses to the tank
drain port. Insert the tip of the hose into
the container.

Prepare a drain hose (Rc3/8-diameter) on your
responsibility.
3.
Remove the cap of the circulating fluid fill port.
4.
Open the valves of the tank drain port to drain the circulating fluid.
5.
Apply air purge from the the circulating fluid return to push the circulating fluid remaining in
the heat exchange back in the tank and drain it.
Figure 7-1 Container for Circulating Fluid Recovery
 Use the clean container for circulating fluid recovery. Reuse of the
recovered circulating fluid with contaminated will cause insufficient
cooling and system failure
 Be sure to wait until the circulating fluid obtains room temperature for its
draining. Potential burns can occur if disregarded.
If the recovered circulating fluid is contaminated by foreign
substances, completely remove them. Do not reuse comtaminated
fluid.
Potential insufficient cooling, system failure and froth in the
circulating fluid may occur if disregarded.
Recovered circulating fluid must be sealed in a container to prevent
contamination from moisture or foreign substances.
Stored in a cool, dark place.
Keep it from flame.
Drain port
Container for circulating
fluid recovery
Circulating fluid fill port cap
Circulating fluid supply
15cm or less
Rear