Pump installation requirements: 1, the installation height should be less than the suction allowed to vacuum height minus the loss of water in the pipeline. Under standard conditions, the installation height is less than or equal to 10.3- (NPSH) r-0.5-hw, for suction line hydraulic losses. 2, pump outlet flange should be fitted with pressure gauge in order to observe and control the pump operating conditions; 3, the weight of the pipeline shall not be borne by the pump. 4, the pump should be installed in a ventilated place, outdoor installation should be added protective cover to avoid sun exposure and rain. Pump installation: 1, before the installation: it should be checked in the transport process without distortion or damage, whether the fastener loose or fall off. 2, the installation configuration inlet and outlet pipes: pipeline installation should try its best to reduce the pipeline fluid booster principle. Intake pipe should be added at the filter to prevent hard impurities or hard particles into the pump cavity damage shaft seal or water leaves, leading to water leakage or abnormal; inlet pipe at the check valve to facilitate water. 3, wiring: must be the correct nameplate requirements wiring, wiring, the terminal must be solid, do not allow loose, otherwise, will result in poor contact led to missing phase machine. The wiring must use overload protection device, and according to the motor nameplate current requirements to adjust the size of the protection device settings. Pump start: 1, the pump should be opened before the start of the water valve and pump exhaust valve plug, close the gate valve, the pump cavity filled with water, so that the pump can be started normally; 2, click motor, from the motor end, check Steering is in the direction of the arrow. Pump operation: 1, the pump started gradually open the outlet gate valve, adjusted to the desired conditions point; 2, the pump during operation, the operating conditions of the flow rate is not greater than the performance parameters of the table given in the flow point of the flow rate Is appropriate, while the motor running current shall not exceed the rated current. 3, Shutdown sequence: close the gate valve on the outlet pipe - motor - pressure gauge pump maintenance: 1, should always check the pump is stable during operation, mechanical seal wear and leakage, timely replacement of seals to prevent pressure water Into the motor 2, always check the motor housing temperature changes, the maximum temperature should not exceed 85 degrees, found that the temperature is too high, should immediately stop checking; 3, the pump for a long time to disable, should drain the net water to remove the embroidery , Coated with anti-rust grease for the next use.
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