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1, Installation Notes (1) Submersible multi-stage pump inlet must be in the dynamic water level below 1 m, but the diving depth shall not exceed 70 meters below the static water level, the bottom of the motor from the bottom of not less than 1 m. (2) deep well pump rated power less than 15KW motor can be used full-voltage start. (3) Rated power is greater than 15KW, the motor must be step-down start. 2, the preparation before installation (1) First check the diameter of the well, the depth of hydrostatic and power supply system is consistent with the conditions of use. (2) Check the submersible multi-stage pump to convey whether flexible, there should be no deadlock, the sub-assembly motor and electric pump coupling, pay attention to tighten the top wire. (3) Open the exhaust and water plug, fill the motor cavity filled with water. Pay attention to prevent fake, good plug, there should be no water leakage. (4) Measure the motor insulation with a 500 V megger, which should not be less than 150 megohms. (5) should be equipped with the appropriate lifting tools, such as tripod, hanging chain. (6) Install the protection switch and start equipment, start the motor in an instant (no more than 1 second), check if the steering direction of the motor is the same as the steering signage. If it is relevant, the regulator can replace any two connectors of the power supply, Plate and water filter, ready to go down. When the motor and the pump are connected for trial steering, water must be poured into the fresh water from the pump outlet until the water is throttled out of the water. 3, installation (1) See the instructions. First of all, install a pump tube on the outlet of the deep well pump and clamp it with the splint to lift it into the well. The splint is located on the platform. (2) and then use a pair of splints to clamp the other section of the hose. Then lift, lower and then connected to the pump flange flange, screw must be diagonal at the same time. Lift the lifting chain to remove the first pallet, so that the pump pipe descends the plywood and falls on the platform. In turn, install and drain the pump down until it is completely loaded and put on the manhole cover. The last pallet is not removed and placed on the manhole cover. (3) Install elbow, gate valve, water outlet, etc., and add the corresponding rubber seal. (4) The chemical pump cable should be fixed in the groove on the flange of the water pipe. Each section should be fixed with a tie rope, and the process of going down should be careful not to bump the cable. (5) If there is stuck phenomenon during the pump process, try to overcome the stuck point, and you can not forcibly pump it to avoid stabbing. (6) It is forbidden to go down well during installation. (7) The protective switch and starting device should be installed on the user's power distribution board, equipped with voltmeter, ammeter, indicator light, and placed in the right place in the well room. (8) Adopt "forbidding protection from connection from motor base to pump tube" to prevent accidents.
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