26 Online Instructions: c-m-p.com/tech
FIGURE 19: In-place Quartz Tube Cleaning
APPENDIX C
OPTIONAL IN-PLACE QUARTZ TUBE CLEANING
For regular cleaning, it is recommended to clean the quartz tube following the procedure in section 4-C. If necessary, the DEL
AOP quartz tubes may alternatively be cleaned without removing them from the vessel by following the procedure below.
1. Ensure that the DEL AOP is isolated from the rest of the pool system with shut-off valves at the inlet and outlet.
2. Disconnect the union from the outlet port on the right side of the unit and remove the winterizing cap inside the unit.
(FIG 21)
3. Create an acidic cleaning solution of muriatic acid (available at all pool supply stores) and water in a ratio of four parts water
to one part acid (4:1). Always observe all safety precautions as specified by on the acid container
4. Pour the cleaning solution in the winterizing port to flow from bottom to top. This may require creating a simple
plumbing fixture to facilitate pouring in the winterizing port and filling to the top of the quartz tubes.
5. Allow the solution to soak as needed to remove any mineral build-up from the quartz tube. When cleaning is complete,
drain the unit completely and clean any acidic cleaning solution that has collected in the bottom of the unit.
6. Run the pool system immediately for an extended period to fully rinse the internal components. Special considerations
may apply depending on the cleaning system. Contact Customer Service if there is any question about compatibility with
the DEL AOP components.
Winterizing
Port (1” NPT)
Clean any solution
that collects
in the bottom
of the unit
Outlet
