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Precautions for use and daily maintenance of water pumps and sand cylinders

Precautions for the use and daily maintenance of water pumps and sand tanks 1. Specific operating sequence of various functions of water treatment filter sand tanks: Note: "*" is very important and must be performed 1. Check before starting the filter function: * - Before starting, the multi-way valve of the filter sand tank should be adjusted to the filter state* - Check whether the corresponding valves on the pipeline are in the correct state* - Check whether the hair collector is blocked. If blocked, it must be cleaned first; check whether there is air inside. If there is air, the air must be exhausted first* - Check whether the tank cover is tight and leak-proof. If there is leakage, the tank cover must be tightened to make it tight and leak-proof* - Check whether the liquid medicine pipe of each dosing system is normal and unblocked, whether there is liquid medicine in the medicine barrel, and whether the valve on the dosing device mouth is opened to ensure that the dosing system is in a ready-to-work state* - Check if there is air accumulated in the main return water pipe. If there is, it must be removed through the drain valve. 2. Start-up sequence - first turn on one water pump motor; after the water pump motor is running normally, turn on the water pumps in turn. The standby pump does not need to be turned on. Check after startup: record the pressure gauge index on the filter to check whether backwashing is required; check the operation of the water pump to see if it is running smoothly and without noise; check whether each dosing system is running normally; go to the swimming pool and visually check whether the water is flowing out of each water injection port normally. 3. Check the filter backwash function before starting - if the pressure gauge reading on the filter sand cylinder is higher than 2.5kg/cm2 or above, the filter sand cylinder must be backwashed immediately - confirm that the relevant water pumps of the sand cylinders that need to be backwashed have Stop operation - adjust the multi-way valve on the filter sand cylinder to the backwash state - confirm that the relevant valves on the pipeline are in the correct position 4. Backwash order - first run the water pump; check and observe the clear water mirror on the sand cylinder until the water is clean; then turn off the water pump Note: If the backwash water cannot be checked, the duration of each backwash should be 2-3 minutes 5. Rinse function Check before starting: Confirm that the backwash is completed; Confirm that the water pump is turned off; adjust the multi-way valve on the filter sand cylinder to the rinse state; Confirm that the relevant valves on the pipeline are in the correct position Rinse order: Start the water pump first; After the water pump runs for 1 to 2 minutes and then looks at the clear water mirror, turn off the water pump (the water is clear as the judgment standard) 6. Drainage function check before starting - adjust the multi-way valve on the sand tank to the drainage (Waste) state - confirm that the relevant valves on the pipeline are in the correct state - check whether the hair collector is blocked. If it is blocked, it must be cleaned first; check whether there is air inside. If there is air, the air must be discharged - check whether the tank cover is tight and leak-proof. If there is air leakage, the tank cover must be tightened to make it tight and leak-proof - check whether there is air accumulated in the main return pipe. If so, it must be discharged through the exhaust valve - if there is an overflow return pipe, please close the main valve on the overflow return pipe Note: During the drainage process, please try to prevent the water pump from interrupting its operation 7. Circulation function check before starting - before starting, the multi-way valve of the filter sand tank should be adjusted to the filter (Filter) state - adjust the multi-way valve on the sand tank to the circulation (Recirculate) state - confirm that the relevant valves on the pipeline are in the correct state - check whether the hair collector is blocked. If it is blocked, it must be cleaned first; check whether there is air inside. If there is air, - Check if the tank cover is tight and leak-proof. If there is a leak, tighten the tank cover to make it tight and leak-proof. - If there is an overflow return pipe, please close the main valve on the overflow return pipe. - Check if other equipment is in good condition. After starting up, check: whether the water pump is operating normally; whether other related equipment is operating normally. 2. Equipment maintenance: 1. Maintenance of water pump and hair collector* - When the three-phase water pump is turned on for the first time after installation, be sure to confirm that it does not reverse before turning it on* - If the water pump has abnormal noise or vibration during operation, it should be stopped and checked immediately* - If the flow rate of the water pump is far lower than the designed flow rate, it should be stopped and checked immediately* - The water pump must not run idly when there is no water* - The hair collector should be checked and cleaned frequently* - After cleaning, the air in the tank should be discharged before the lid is put back on, and a layer of oil should be applied to the rubber ring to seal it* - In winter, the water pump and hair collector should be drained before the water pump needs to be shut down for a long time. 2. Filter maintenance* -The multi-way valve on the filter must not be operated under pressure and must be operated in a shutdown and pressure-free state* -The multi-way valve must be switched to the right position during operation* -When the resistance of the sand tank increases to a certain extent (2.5kg/cm2), backwashing must be performed 3. Maintenance of the dosing system* -The dosing metering pump should be cleaned with clean water after the dosing is stopped every swimming season* -No granular drugs should be present when mixing the liquid medicine* -The dosing metering pump cannot run idle for a long time* -When no drugs are added, the valve at the outlet of the metering pump should be closed* -When the swimming pool is out of use for a long time, the medicine barrel, the filter head of the metering pump, the one-way valve and the hose should be cleaned 4. Control system* -The control system should be placed in a suitable location, kept dry and ventilated, and not damp* -It is best to be operated by trained personnel, and the operation must be strictly carried out according to the panel markings. III. Other matters needing attention: 1. All kinds of disinfectants should not be stored in the machine room, because they are seriously corrosive and make it difficult to breathe and cause metal surfaces to rust. Moisture-proof measures must be taken and they should be stored in a dedicated room. 2. Before or after the start of each swimming season, the entire water treatment system should be thoroughly cleaned, maintained and serviced. If the technical level is not enough, you can contact a professional water treatment company and entrust the equipment supplier to operate the comprehensive maintenance. 3. The machine room should be well ventilated, well-lit, well-drained, and kept dry for a long time. The automatic submersible pump in the machine room should be kept open (24 hours) 4. When operating the equipment, you should be careful and abide by all operating procedures. When operating the valve, you should move slowly to prevent water clocks from damaging valves, pipes or equipment. 5. The color of the pool water cannot be changed by simply adding algaecides (copper sulfate), but should be kept clear by continuous water treatment (if there is no algae, it should be avoided as much as possible) 6. When directly placing drugs in the swimming pool, make sure that there are no swimmers in the swimming pool. After completing the direct drug placement work, the swimming pool cannot be opened immediately. Before the swimming pool is opened for use, security measures must be taken to prevent the release of drugs and harm to the human body. 7. Always pay attention to the water level in the pool. The pool should be filled with water at all times. Floating objects, oily hair and other debris on the water surface should be discharged into the overflow ditch of the swimming pool.

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a. Power failure or motor protection tripped
b. Pump doesn't vent
c. Pump doesn't fill the water
d. Suction line/hose leaking
e. Transparent cover not properly installed - check filter basket - even bolts
f . Inlet suction process is too large g.) Total resistance loss exceeds the allowable range of the pump - recalculate the required pressure
h. Mechanical shaft seal leakage
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Contact: Sandy

Email: sandy@poolking.co

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WhatsApp:+86-13922334815

Add: No. 80, Danan North Road, Dagang Village, Dagang Town, Nansha District, Guangzhou City (temporary business premises)

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