SMC Networks HRZD020-WS-WS Operation Manual page 107

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.
If the recovered circulating fluid is contaminated by foreign
substances, completely remove them. Do not reuse comtaminated
fluid.
Potential insufficient cooling, product 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.
6.
Upon completion of fluid draining, close the valves of the main and sub tank drain ports.
7.
Add plugs to seal off ports on the rear of
the product.
Add plugs to seal off ports on the rear of the
product.
HRZD Series
Chapter 7 Product Maintenance
Sub tank drain port
Plug
Plug
Plug
Rear
Plug
Figure 7-2 Plug Attachment
HRX-OM-M005
Circulating fluid
return
Circulating fluid
supply
Main tank drain
port
Facility water outlet
Facility water inlet
Drain pan port
7.3 Storage
7-5