Pentair SAND DOLLAR Manual Del Usuario página 6

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By setting the valve on top of the filter to the "Backwash" position, the
flow of water is automatically reversed through the filter so that the
flow of water is directed to the bottom of the filter, up through the sand
bed, flushing the dirt and debris out through the waste line. Once the
backwash procedure is complete, the valve is manually returned to
its "Filter" position to resume normal filtration. The filter's function is
to remove suspended matter from the water. It does not sanitize the
water. For sparkling clear water, the water must be sanitized as well as
balanced. Pool chemistry is a specialized area, and you should consult
your local pool service specialist for specific details. In general, proper
pool sanitation requires a free chlorine level of 1 to 2 PPM and a pH
range of 7.2 to 7.6. Your filtration system should be designed to meet
your local health codes. As a minimum, you must be sure that your
system will turnover the total volume of water in your pool at least twice
in a twenty-four hour period.
obscure objects in the water which while swimming and diving could cause serious personal
injury or death. Never swim in a pool with poor water clarity.
INSTALLATION
1. Read and understand all instructions before attempting to
install, operate or maintain your pump and sand filter system.
2. Provide space and lighting for routine maintenance access.
Locate the system close to the pool. Install electrical controls
(e.g., on/off switches, timers, control systems, etc.) at least five (5)
feet from the filter. This will allow you enough room to stand clear
of the filter during system start up.
3. Remove all individual components from carton and inspect for any
visible damage. If carton or parts are damaged contact seller or
freight company.
this product.
ground fault interrupter (GFCI) should always be installed at the power supply source of
this unit. Be sure to ground the motor before connecting to electrical AC power supply.
Failure to ground the motor can cause serious or fatal electrical shock hazard. DO NOT
ground to a gas supply pipe line.
SAND DOLLAR and CRISTAL-FLO™ II Top Mount Sand Filter Installation and User's Guide
®
Failure to operate your filter system or inadequate filtration can cause
poor water clarity obstructing visibility in your pool. Poor water clarity may
Blockage of suction fittings can cause serious or fatal injury due to
drowning. To reduce the risk of injury, do not permit children to use
Never work on the pump while it is running or power is still
connected. High voltage can cause serious or fatal injury. A suitable