Installation and commissioning of variable frequency constant pressure water supply equipment:
1. After the equipment is in place, level it with a level, and its horizontal and horizontal levels should be less than 0.1% .
2. After the equipment is installed and leveled, the foundation is subjected to secondary grouting with expanded cement, and the piping is carried out after 24 hours of maintenance .
3. After the motor is wired, confirm the direction of rotation to ensure that it is consistent with the standard arrow.
Frequency conversion and constant pressure water supply equipment use and operation:
1. The pump rotor should be driven before the equipment is used. There should be no friction and stuck.
2 , 500V low-voltage shaker to detect motor insulation, should be more than 0.5M .
3. Control instrument and line are not damaged.
4. Open the water pump inlet valve, close the water outlet valve, open the pump exhaust valve one by one, and close the air valve after the liquid fills the pump chamber.
5 , the transfer switch is placed in the manual position , the no-load point pump, its running direction should be consistent with the standard arrow.
6. Start and stop the pump manually and check the pump operation without abnormality.
Installation and commissioning of variable frequency constant pressure water supply equipment:
1. After the equipment is in place, level it with a level, and its horizontal and horizontal levels should be less than 0.1% .
2. After the equipment is installed and leveled, the foundation is subjected to secondary grouting with expanded cement, and the piping is carried out after 24 hours of maintenance .
3. After the motor is wired, confirm the direction of rotation to ensure that it is consistent with the standard arrow.
Frequency conversion and constant pressure water supply equipment use and operation:
1. The pump rotor should be driven before the equipment is used. There should be no friction and stuck.
2 , 500V low-voltage shaker to detect motor insulation, should be more than 0.5M .
3. Control instrument and line are not damaged.
4. Open the water pump inlet valve, close the water outlet valve, open the pump exhaust valve one by one, and close the air valve after the liquid fills the pump chamber.
5 , the transfer switch is placed in the manual position , the no-load point pump, its running direction should be consistent with the standard arrow.
6. Start and stop the pump manually and check the pump operation without abnormality.
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