REMORA S450 Pool Sand Filter Instruction Manual

Models: S450 / S500 / S650 / S700

FUNCTION

The filter uses special filter sand to remove dirt particles from pool water. The filter sand is loaded into the filter tank and functions as the permanent dirt removing media.When the control valve is in the FILTER position, the pool water which contains suspended dirt particles, is pumped through your piping system and is automatically directed by the patented filter control valve to the top of the filter tank.As the pool water is pumped through the filter, dirt particles are trapped by the sand bed, and filtered out. The cleaned Pool water is returned from the bottom of the filter tank,through the control valve and back to the pool through the piping system. This entire sequence is continuous and automatic and provides for total recirculation of pool water through your filter and piping System. After a period of time the accumulated dirt in the filter causes a resistance to flow, and the flow diminishes. Thismeans it is time to clean your filter. With the control valve in the BACKWASH position, the water flow is automatically reversed through the filter so that it is directed to the bottom of the tank, up through the sand, flushingthe previously trapped dirt and debris out the waste line. Once the filter is back-washed of dirt, set control valve toRINSE position and run pump for about 1/2 to 1 minute, and then to filter, to resume normal filtering.
NOTE: Turn pump off before changing valve position.

INSTALLATION

Only simple tools (screwdriver and wrenches), plus pipe sealant for plastic adapters, are required to install andservice the filter.

1. The filter should be placed on a level concrete slab, very firm ground, or equivalent. Position the filter so that the piping connections, control valve are convenient and accessible for operation and service.

2. Loading the sand media. Filter sand media is loaded through the top opening of the filter.
   a) Loosen the clamp lock, remove the transparent lid.
   b) Cover the diffuser with the block sand cover.
   c) We recommend: add a half tank of water in the tank, then to fill with sand, so that we can protect the bottom of the filter from the damage caused by excessive shock.
   d) Add the right amount of sand, sand surface to smooth.

3. Replace filter coping (with O’ring in place).
   a) Mount the O-ring for filter neck, covered with transparent lid.
   b) Lock the clamp lock, pay attention to the clamp lock clip on both sides are even.
   c) Install the pressure gauge and air release valve to the transparent lid.
   d) Connect the pump outlet to the valve inlet,a preliminary combination has completed.

4. Make return to pool pipe connection to control valve opening marked RETURN and complete other necessary plumbing connections, suction lines to pump, waste, etc.

5. Make electrical connections to pump per pump instructions.

6. To prevent water leakage, be sure all pipe connections are tight.

MAIN DIMENSION

DIMENSION TABLE

Model| Height A mm| Diameter B mm| Valve inch| Sand kg
---|---|---|---|---
S450| 730| 455| 1.5 “| 45
S500| 770| 535| 1.5 “| 85
S650| 850| 635| 1.5 “| 145
S700| 960| 710| 1.5 “| 210

INSTALL/START-UP OF FILTER

1. Be sure correct amount of filter media sand is in tank and that all connections have been made and are secure.
2. Depress control valve handle and rotate to BACKWASH position. (To prevent damage to control valve seal, always depress handle before turning.)
3. Prime and start pump according to pump instructions (be sure all suction and return lines are open), allowing the filter tank to fill with water. Once water is flowing out of the waste line, run the pump for at least 1 minute. The initial back-washing of the filter is recommended to remove any impurities or fine sand particles in the sand media.
4. Turn pump off and set valve to RINSE position. Start pump and operate until water in sight glass is clear, about 1/2 to 1 minute.Turn pump off and set valve to FILTER position and restart pump.The filter is now operating in the normal filter mode, filtering dirt particles from the pool water.
5. Adjust pool suction and return valves to achieve desired flow. Check system and filter for water leaks and tighten connections, bolts, nuts, as required.
6. Note the initial pressure gauge reading when the filter is clean. (It will vary from pool to pool depending upon the pump and general piping system.) As the filter removes dirt and impurities from the pool water, the accumulation in the filter will cause the pressure to rise and flow to diminish. When the pressure gauge reading is 1.5 bar, higher than the initial “clean” pressure you noted, it is time to backwash the filter (see BACKWASH under filter and control valve functions).

REPLACEMENT PARTS OF FILTER

REPLACEMENT PARTS OF MULTIPORT VALVE

FUNCTIONS OF VALVE POSITIONS

GENERAL

1. Pipe tap boss provided for optional influent pressure gauge.
2. SERVICING VALVE( Stop pump,close gate valve in suction&discharge before proceeding):
   a) Set handle in filter position. b) Remove cover screws. c) Lift cover and key assembly out.

TO ASSEMBLE:

1. Place valve key so that wedge opening is at TOP port (handle in Filter psn.). Flat edge of cover screw lug should align with flat edge of body screw lug.
2. Position cover O’Ring.
3. Secure assembly to body with cover screws. Tighten cover screws evenly and alternately. Do not overtighten.

WARNING
THIS FILTER OPERATES UNDER HIGH PRESSURE. WHEN ANY PART OF THE CIRCULATING PUMP, FILTER, VALVES, ETC.) IS SERVICED, AIR CAN ENTER THE SYSTEM AND BECOME PRESSURIZED . PRESSURIZED AIR CAN CAUSE THE LID OR VALVE TO BE BLOWN OFF WHICH CAN RESULT IN SEVERE INJURY, DEATH, OR PROPERTY DAMAGE.
TURN PUMP OFF BEFORE CHANGING VALVE POSITION.
TO PREVENT DAMAGE TO THE PUMP AND FOR PROPER OPERATION OF THE SYSTEM, CLEAN PUMP STRAINER AND SKIMMER BASKETS REGULARLY.
DO NOT UNSCREW SCREWS OF FLANGE CLAMP WHILE PUMP IS RUNNING. SYSTEM (e.g., CLAMP,
UNDER LOW TEMPERATURE SHUT OFF CONDITION, IT IS STRONGLY RECOMMEND TO TURN TO WINTERISE POSITION AND DISCHARGE ALL THE WATER INSIDE FILTER THROUGH THE BOTTOM DRAIN.

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