CARVIN Laser L140C, L160C, L192C, L225C, L250C sand filter User manual

The Laser L140C, L160C, L192C, L225C, and L250C sand filters are designed for use in both in-ground and above-ground swimming pools. These filters are equipped with a dial valve that allows for filtering, backwashing, draining, and winterizing, making them ideal for maintaining clean and healthy pool water.

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CARVIN Laser Sand Filters User Manual | Manualzz

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Key features

  • Multi-function dial valve

  • Easy-to-install snap-fit laterals

  • Heavy-duty construction

  • High flow rates

  • Efficient backwashing system

  • Winterizing capabilities

  • Corrosion-resistant materials

Frequently asked questions

You should backwash your sand filter thoroughly at least once a week, and whenever the pressure gauge reads 6-8 PSI above normal.

The sand must be free of clay, loam, dirt and organic matter, and must consist of hard, durable, rounded or sub-angular grains of silica sand with no more than 1% of flat or micaceous particles. The grains should have an effective size of 0.44mm with a uniformity coefficient of 1.35. DO NOT USE "SANDBOX" SAND.

Backwash the filter for at least thirty minutes before closing down the pool for winterizing. This will clean the filter bed thoroughly. Remove the drain cap located at the base of the filter tank. Should the water not drain readily from the tank, dislodge any sand that may be blocking the drain hole, or blow out the obstruction by running the pump for a short period. Unscrew the pressure gauge from the dial valve. Remove the drain plug(s) from the pump. Take the cover off the hair and lint strainer and check that most of the water drains from the pump and strainer. Store the pump and motor indoors, or protect them from the elements and extreme temperatures.

User questions

B P

John B.

What is the required amount of sand for the different filter models?

The amount of sand required depends on the filter model: L140C requires 90 pounds, L160C requires 125 pounds, L192C requires 200 pounds, L225C requires 300 pounds, and L250C requires 400 pounds.

B P

John B.

How much sand is required for different filter models?

The amount of sand required depends on the specific model: L140C requires 90 lbs, L160C requires 125 lbs, L192C requires 200 lbs, L225C requires 300 lbs, and L250C requires 400 lbs. Ensure the sand is dry during installation and only fill the tank once it is in its final position.

B P

John B.

What is the required amount of sand for different filter models?

The sand requirements are: 90 pounds for model L140C, 125 pounds for L160C, 200 pounds for L192C, 300 pounds for L225C, and 400 pounds for L250C. Sand must be kept dry for installation and should only be added once the filter is in its final position.

B P

John B.

How much sand is required for the different filter models?

The requirements are: L140C (90 lbs), L160C (125 lbs), L192C (200 lbs), L225C (300 lbs), and L250C (400 lbs).

B P

John B.

How much sand is required for the filter?

The amount of sand required depends on the filter model: L140C needs 90 lbs, L160C needs 125 lbs, L192C needs 200 lbs, L225C needs 300 lbs, and L250C needs 400 lbs.

B P

John B.

How much sand is required for the different filter models?

The sand requirements are: 90 pounds for model L140C, 125 pounds for L160C, 200 pounds for L192C, 300 pounds for L225C, and 400 pounds for L250C.

B P

John B.

What quantity of sand is required for different filter models?

The required sand quantities are as follows: 90 pounds for model L140C, 125 pounds for L160C, 200 pounds for L192C, 300 pounds for L225C, and 400 pounds for L250C.

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