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5
2. GENERAL
INFORMATION
This manual provides information relating to the installation, utilization and maintenance of the Pool Filter System. The pump
included with the filtration system is a horizontal, self-priming centrifugal pump. For the pump to function correctly, the water
temperature must not exceed 95°F/35°C. The filter included in the filtration system is equipped with a container drainage system,
pressure gauge and built-in container components. The filter container comes ready to plug-in and is supplied with a user-friendly
7 Position Multi-Port Valve integrated into the tank cover, an approved filter pump with hair and lint basket and a plastic base for
ready on-site mounting.
How Sand Filtration Works
The Pool Filter System is designed to use special silica sand to remove dirt particles from pool water. Filter sand is loaded into the
filter tank and functions as a permanent dirt and debris removing medium. Pool water, which contains dirt particles, is pumped
through the intake hose leading from the pool to the filter tank and is directed by the filter control valve to the top of the filter tank.
As water is pumped through the filter sand, dirt particles are trapped by the bed of sand and filtered out. The cleaned/filtered water
is then returned from the bottom of the filter tank, through the control valve and back to the pool through the return hose. This
sequence is continuous and automatic and provides total recirculation of pool water through your filter and hose connections.
After a period of time, the accumulated dirt in the filter causes a resistance to the flow of water and an increase in pump pressure
(psi). When this happens, it is time to clean (backwash) the filter. To backwash the system, you must change the valve to the back-
wash position. When in backwash mode, the water flow is automatically reversed through the filter so that it is directed to the
bottom of the tank, up through the sand, which flushes any trapped dirt and debris out through the waste line. Once the filter is
backwashed and cleaned of dirt, the control valve should be moved into the rinse position to allow the sand to settle. After rinsing,
the filter valve should be changed back to the filtration position to resume normal filtering.
Powering the Filter Pump
It should be noted that the Pool Filter System does not have an on/off switch. Rather, power to the filter pump is connected and
disconnected by means of plugging in and unplugging the power cord from the power source. It is important that you read and
follow the instructions on proper power supply sources (see Section 5, Power Source Requirements) to avoid overloading the pump
motor and/or electric shock.
Sand & Initial Preparation
The Pool Filter System requires a specific type of sand (not included) for optimum operation: namely, No. 20 Silica Sand with a particle
size of 0.45 mm - 0.55 mm. You can purchase this sand at most pool supply stores. While the sand will come packaged, it is important
that the sand be cleaned prior to running the filter system in filtration mode (see Section 9, Filter Operations).
Installation
Read and understand this manual carefully before installation. Failure to follow all instructions may result in electric shock, serious
personal injury or death.
3. TECHNICAL SPECIFICATIONS
Model 4516 (1/3 Horsepower Model)
Item
U.S. Units
Metric Units
Flow Rate
1,848 GPH
7 m
3
/hr
MAX Operating Pressure
30 psi
2.0 Bar
Filtration Area
1.8 ft
2
0.17
m
2
Rated Voltage
110 VAC
110 VAC
Sand Volume
30 lbs
13.6 kg
Summary of Contents for SandPRO 4516
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