1. Киришүү
The SEAFLO 21-Series DC Diaphragm Water Pressure Pump is a compact and versatile pump designed for a wide range of liquid transfer, spraying, circulation, filtration, and dispensing applications. This pump is self-priming and engineered to run dry without sustaining damage, ensuring reliable operation. It features a built-in pressure switch that automatically starts and stops the pump based on water demand, making it ideal for marine, RV, agricultural, and recreational uses.
2. Коопсуздук маалыматы
- Насосту орнотуудан, тейлөөдөн же кандайдыр бир техникалык тейлөөдөн мурун ар дайым электр кубатынан ажыратыңыз.
- Электр энергиясы насостун көлөмүнө дал келүүсүн текшериңизtage requirements (12V DC). Incorrect voltage can damage the pump and pose a safety risk.
- Тез күйүүчү суюктуктарды сордурбаңыз. Бул насос суу жана тез күйүүчү эмес суюктуктар үчүн гана иштелип чыккан.
- Ашыкча ысып кетпеши үчүн насосту жакшы желдетилген жерге орнотуңуз.
- Protect the pump from freezing temperatures, which can cause damage.
- Кыска туташуулардын алдын алуу үчүн бардык электр байланыштары коопсуз жана туура изоляцияланганын текшериңиз.
- Avoid exceeding the maximum pressure rating of the pump or connected plumbing.
3. Продукциянын өзгөчөлүктөрү
- Ар тараптуу колдонмолор: Suitable for marine, RV, agriculture, and recreational uses.
- Эффективдүү электр керектөө: Current draw of 1.5 Amp, with a maximum of 2.6 Amp.
- Стандарттык шланг туташуусу: Fixed 10mm (3/8") diameter hose tails for easy installation.
- High Flow Capacity: Delivers 1.1 Gallons per minute (4.0 Litres per minute).
- 12V DC электр булагы: Operates on 12V DC voltage.
- Дирилдөө Dampбүтүрүү: Soft rubber mounts reduce noise and vibration during operation.
- Self-Priming Design: Can run dry without damage and automatically primes for reliable operation.
- Автоматтык басым башкаруу: Built-in pressure switch automatically starts and stops the pump when a faucet is opened and closed.
4. Орнотуу жана орнотуу
4.1 Монтаждоо
Mount the pump in a dry, accessible location. Utilize the integrated soft rubber mounts to minimize vibration and noise. Ensure the pump is securely fastened to a stable surface. The pump can be mounted horizontally or vertically, but ensure the motor is positioned above the pump head if mounted vertically to prevent water from entering the motor in case of a leak.

Image: SEAFLO 21-Series pump with visible mounting feet for secure installation.
4.2 Сантехникалык байланыштар
The pump is equipped with fixed 10mm (3/8") hose tails for inlet and outlet connections. Ensure all plumbing connections are tight and leak-free. Use appropriate clamps for hose connections. It is recommended to install a strainer or filter on the inlet side to prevent debris from entering and damaging the pump.

Сүрөт: каптал view of the SEAFLO 21-Series pump, highlighting the inlet and outlet hose connections.
4.3 Электр зымдары
Connect the pump to a 12V DC power source. Observe correct polarity: the red wire is positive (+), and the black wire is negative (-). It is highly recommended to install an appropriately sized fuse (e.g., 5A) in the positive (+) power line close to the battery or power source to protect the pump and wiring from overcurrent.

Сүрөт: Жалпысынан view of the SEAFLO 21-Series pump, showing the electrical wiring connections.
5. Иштөө нускамалары
5.1 Баштапкы баштоо
- Ensure all plumbing connections are secure and the inlet line is submerged in water or connected to a water source.
- Open a faucet or outlet downstream from the pump to allow air to escape the system.
- Apply 12V DC power to the pump. The pump will begin to run and self-prime, expelling air from the system.
- Once a steady stream of water flows from the open faucet, close the faucet. The pump will continue to run briefly to build pressure, then the built-in pressure switch will automatically shut off the pump.
5.2 Автоматтык иштетүү
The SEAFLO 21-Series pump operates on demand. When a faucet or outlet is opened, the system pressure drops, and the pressure switch activates the pump. When the faucet is closed, the pressure builds up, and the switch automatically turns off the pump. This automatic operation conserves power and extends pump life.
5.3 Running Dry
This pump is designed to run dry without damage. However, prolonged dry running is not recommended as it can lead to unnecessary wear. Ensure a water source is available for continuous operation.
6. Техникалык тейлөө
- Үзгүлтүксүз текшерүү: Periodically check all plumbing and electrical connections for leaks, corrosion, or damage. Tighten any loose connections.
- Тазалык: Keep the exterior of the pump clean and free from dirt or debris. Do not use harsh chemicals that could damage the pump's housing.
- Кирүүчү чыпкалоочу: If an inlet strainer is installed, inspect and clean it regularly to prevent blockages that could reduce pump performance.
- Кыштоо (суук климат үчүн): In environments where freezing temperatures are expected, drain all water from the pump and plumbing system to prevent damage from ice expansion. Running RV antifreeze through the system is also an option.
7. Кыйынчылыктарды
7.1 Pump Not Running
- Кубат жок: Check power supply, fuse, and electrical connections. Ensure correct 12V DC voltage.
- Зымдар: Verify correct polarity (red to +, black to -).
- басым которуштуруу: Ensure a faucet is open to drop system pressure and activate the switch.
7.2 Low Flow or Pressure
- Clogged Inlet: Check and clean the inlet strainer or filter.
- Аба агып чыгуулары: Inspect all inlet plumbing connections for air leaks. Even small leaks can significantly reduce performance.
- Low Voltage: Ensure the power supply is providing adequate 12V DC. Voltage drop over long or thin wires can affect performance.
- Kinked Hoses: Check for any kinks or obstructions in the inlet or outlet hoses.
7.3 Pump Cycles Frequently (Short Cycling)
- Суу агып кетүү: Check for leaks in the plumbing system, including faucets, connections, and pipes. Even a small drip can cause the pump to cycle.
- Системадагы аба: Bleed air from the system by opening a faucet until a steady stream of water flows.
- Accumulator Tank (if installed): If an accumulator tank is part of the system, check its air charge.
7.4 Noisy Operation
- Бош монтаждоо: Ensure the pump is securely mounted using its rubber feet.
- Системадагы аба: Air in the water lines can cause cavitation and noise. Bleed the system.
- Дирилдөө: Ensure hoses are not touching hard surfaces that could transmit vibration.
8. Техникалык шарттар
| Спецификация | Нарк |
|---|---|
| Модель номери | SFDP1-011-080-21 |
| Тtage | 12V DC |
| Flow Rate | 1.1 GPM (4.0 LPM) |
| Макс басым | 80 PSI |
| Учурдагы чүчүкулак | 1.5A (Max 2.6A) |
| Шланга байланыштары | Fixed 10mm (3/8") Hose Tails |
| Продукциянын өлчөмдөрү (L x W x Y) | 6.65" x 3.86" x 2.44" |
| Материал | Stainless Steel (internal components), Durable Plastic (housing) |
| Self-priming | Ооба |
| Run Dry Capability | Ооба |
| Камтылган компоненттер | Насос |
9. Кепилдик жана колдоо
Кепилдик маалыматы жана техникалык колдоо үчүн, сатып алууда берилген документтерди караңыз же сатуучу менен түз байланышыңыз. Ар кандай кепилдик дооматтары үчүн сатып алганыңыздын далилин сактаңыз.
For further assistance, you may visit the official SEAFLO webсайтка же кардарларды тейлөө бөлүмүнө кайрылыңыз.