Instructions for installing secondary water supply equipment

2024-08-02

Secondary water supply equipmentInstallation and maintenance details are essential to ensure proper operation and龙8头号玩家:water supplyStability is crucial.

The following is aboutSecondary water supply equipmentDetailed data and procedures for installation and maintenance:

1.Installation details

1.1 Location selection

Environmental requirements:
- temperature range：0°C - 40°C
- Humidity range: ≤ 90% RH (no condensation)
- Ventilation requirements: Good ventilation, avoid direct sunlight and rain
Basic requirements:
- basic materials: Concrete
- Foundation thickness：≥ 200 mm
- levelness：≤ 2 mm/m
space requirements:
- operating space: Leave at least 1 meter of operation and maintenance space around the equipment

1.2 Pipe connection

water inlet pipe:
- Pipe diameter: Should be no less than the diameter of the water inlet of the equipment
- Material: Stainless steel, PVC, PE, etc.
- Filter pore size：≤ 5 mm
- Check valve pressure rating：PN16
- Gate valve pressure rating：PN16
Outlet pipe:
- Pipe diameter: Should not be less than the diameter of the equipment outlet
- Material: Stainless steel, PVC, PE, etc.
- Check valve pressure rating：PN16
- Gate valve pressure rating：PN16
- Pressure gauge range：0-1.6 MPa

1.3 Electrical connection

Power requirements:
- Voltage: 380V ± 10% (three-phase AC)
- frequency：50Hz ± 1%
- Power cord cross-sectional area:Selected according to equipment power, usually 4-16 mm²
Ground protection:
- Ground resistance：≤ 4Ω
control system:
- Launcher type: Soft starter or frequency converter
- Sensor type: Pressure sensor, flow sensor, liquid level sensor
- control Panel: With LCD display to display system status and parameters

1.4 Trial run

examine:
- Pipe connection: Make sure all pipes are firmly connected and there is no leakage.
- Electrical connection: Make sure the electrical connections are correct and well grounded
add water:
- Amount of water added: Fill the equipment and pipes with water and remove the air
start up:
- Start time: Start the equipment step by step and observe the operation status
- Operating parameters: Flow, head, pressure, etc.
debug:
- Traffic debugging: Adjust the flow rate according to actual needs to ensure that water needs are met
- Pressure debugging: Debugging pressure according to actual needs to ensure system stability

2.Maintain detailed data

2.1 Daily inspection

Running status:
- noise：≤ 70 dB
- vibration：≤ 0.1 mm
- temperature: ≤ 80°C (motor surface)
Electrical system:
- Wiring firmness: Check whether the wiring is loose
- Ground resistance：≤ 4Ω
piping system:
- Leak inspection: Check the piping system for leaks
- Blockage check: Check whether there is any blockage in the piping system

2.2 Regular maintenance

lubricating:
- Lubricating oil type: Lithium-based grease
- Lubrication cycle: Added every 3 months
clean:
- cleaning cycle: Clean every 3 months
- clean area: Equipment shell, pipe inner wall, filter, impeller
Seals:
- Inspection cycle: Check every 6 months
- Replacement cycle: Replace every 12 months

2.3 Annual maintenance

Disassembly inspection:
- Inspection cycle: Conducted every 12 months
- Check content: Wear of equipment, impellers, bearings, and seals
Replacement parts:
- Replacement cycle: Replace seriously worn parts based on the inspection results.
- Replacement parts: Impeller, bearings, seals
Motor maintenance:
- Insulation resistance：≥ 1MΩ
- Winding resistance: Check according to motor specifications

2.4 Records Management

Operation record:
- Record content: Equipment operating time, flow, head, pressure and other parameters
- Recording period:Daily record
Maintain records:
- Record content: Contents and results of each inspection, maintenance and overhaul
- Recording period: Recorded after each maintenance

Fault	Cause analysis	Treatment method
Device does not start	power failure: The power is not connected or the voltage is insufficient. Electrical connection issues: The wiring is loose or broken. Control system failure: Starter or control panel failure. Motor failure: The motor is burned out or the winding is short-circuited.	Check power supply: Make sure the power is on and the voltage is normal. Check wiring: Check whether the electrical connection is firm and repair loose or broken wires. Check control system: Check the starter and control panel, repair or replace faulty parts. Check the motor: Check the motor winding and insulation resistance, and replace the motor if necessary.
The device does not produce water	Water inlet pipe blocked: The filter or water inlet is blocked by debris. There is air in the device: There is air in the equipment and pipelines, causing cavitation. Impeller damaged: The impeller is worn or damaged and cannot work properly. Water absorption height is too high: The water absorption height exceeds the allowable range of the equipment.	Clean water inlet pipes: Clean the debris in the filter and water inlet to ensure smooth water flow. Exclude air: Fill the equipment and pipes with water and remove air. Check impeller: Check the impeller for wear and replace it if necessary. Adjust water absorption height: Make sure the water absorption height is within the allowable range of the equipment.
The equipment is noisy	Bearing wear: Bearings are worn or damaged, resulting in loud operating noise. Impeller unbalanced: The impeller is unbalanced or improperly installed. Equipment vibration: The connection between the equipment and the foundation is not firm, causing vibration. Pipe resonance: Improper pipe installation leads to resonance.	Check bearings: Check the wear of the bearings and replace the bearings if necessary. Check impeller: Check the balance of the impeller and reinstall or replace the impeller. Hardened equipment: Check the connection between equipment and foundation and tighten all bolts. Adjust pipeline: Check the installation condition of the pipeline and adjust the pipeline to eliminate resonance.
Equipment leaks	Seals worn: The mechanical seal or packing seal is worn, causing water leakage. Loose pipe connections: Pipe connections are loose or poorly sealed. Equipment cracks: The device is cracked or damaged.	Replace seals: Check the wear of the seals and replace them if necessary. Tighten pipe connections: Check pipe connections, reseal and tighten. Repair equipment: Check the integrity of the equipment and repair or replace damaged equipment.
Insufficient device traffic	Water inlet pipe blocked: The filter or water inlet is blocked by debris. Impeller wear: The impeller is worn or damaged, resulting in insufficient flow. There is air in the device: There is air in the equipment and pipelines, causing cavitation. Water absorption height is too high: The water absorption height exceeds the allowable range of the equipment.	Clean water inlet pipes: Clean the debris in the filter and water inlet to ensure smooth water flow. Check impeller: Check the impeller for wear and replace it if necessary. Exclude air: Fill the equipment and pipes with water and remove air. Adjust water absorption height: Make sure the water absorption height is within the allowable range of the equipment.
Insufficient equipment pressure	Impeller wear: The impeller is worn or damaged, resulting in insufficient pressure. There is air in the device: There is air in the equipment and pipelines, causing cavitation. Water absorption height is too high: The water absorption height exceeds the allowable range of the equipment. pipe leak: There is a leak in the pipeline, resulting in insufficient pressure.	Check impeller: Check the impeller for wear and replace it if necessary. Exclude air: Fill the equipment and pipes with water and remove air. Adjust water absorption height: Make sure the water absorption height is within the allowable range of the equipment. Check the pipes: Check the integrity of pipes and repair or replace leaking pipes.
Control system failure	Sensor failure: Pressure sensor, flow sensor or liquid level sensor failure. Control panel failure: The control panel displays abnormally or cannot be operated. Electrical connection issues: The wiring is loose or broken.	Check sensor: Check the connection and status of the sensor and replace the sensor if necessary. Check control panel: Check the connection and status of the control panel and replace the control panel if necessary. Check electrical connections: Check whether the electrical connection is firm and repair loose or broken wires.

Through these detailed faults and processing methods, you can effectively solve龙8头号玩家:Secondary water supply equipmentproblems encountered during operation, ensure that they are龙8头号玩家:water supplyIt can operate normally during the process, thereby effectively meeting the water needs of users.

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