ZHRCLY CU···STOMER -SERVICE
ZHRCLY Leo Stainless Steel Single-Stage Centrifugal Pump Series Instruction Manual
Models: ABK50, ABK50D, ABK100, ABK100D, ABK120, ABK300
1. Introduction
This instruction manual provides essential information for the safe and efficient installation, operation, and maintenance of your ZHRCLY Leo Stainless Steel Single-Stage Centrifugal Pump. Please read this manual thoroughly before attempting to install or operate the pump. Retain this manual for future reference.
2. Safety Instructions
Always observe the following safety precautions to prevent personal injury and damage to the equipment:
- Ensure the pump is disconnected from the power supply before any installation, maintenance, or repair work.
- All electrical connections must be performed by a qualified electrician in accordance with local and national electrical codes.
- Do not operate the pump dry. Ensure the pump casing is filled with liquid before starting.
- Wear appropriate personal protective equipment (PPE) such as safety glasses and gloves during installation and maintenance.
- Keep children and unauthorized personnel away from the pump during operation.
- Ensure the pump is securely mounted on a stable, level surface to prevent vibration and movement.
3. Product Overview
The ZHRCLY Leo Stainless Steel Single-Stage Centrifugal Pump is designed for various applications requiring efficient liquid transfer. Its stainless steel construction ensures durability and corrosion resistance.

This image displays the ZHRCLY Leo Stainless Steel Single-Stage Centrifugal Pump. It features a stainless steel pump housing connected to a black electric motor. The pump has threaded inlet and outlet ports.
Key Components:
- Pump Casing: Stainless steel housing for liquid containment.
- Impeller: Rotates to create centrifugal force for liquid movement.
- Motor: Electric motor providing power for the impeller.
- Inlet/Outlet Ports: Threaded connections for plumbing.
- Base: Provides stable mounting for the pump.
4. Setup
4.1 Unpacking
Carefully remove the pump from its packaging. Inspect for any signs of damage during transit. Report any damage to your supplier immediately.
4.2 Placement
- Install the pump in a dry, well-ventilated area, protected from direct sunlight, rain, and freezing temperatures.
- Ensure adequate space around the pump for ventilation and future maintenance access.
- Mount the pump securely on a rigid, level foundation using appropriate fasteners.
4.3 Plumbing Connections
- Connect the suction and discharge pipes to the pump's inlet and outlet ports. Use appropriate thread sealant.
- Ensure all pipe connections are airtight to prevent air leaks, which can affect pump performance.
- Install isolation valves on both suction and discharge lines for ease of maintenance.
- Consider installing a foot valve with a strainer on the suction line if drawing water from a well or tank.
4.4 Electrical Connection
Refer to the pump's nameplate for specific voltage and current requirements. Models ABK50, ABK100, ABK120, and ABK300 operate on 380V, while ABK50D and ABK100D operate on 220V.
- Connect the pump to a dedicated electrical circuit with appropriate overcurrent protection (circuit breaker or fuse).
- Ensure proper grounding of the pump to prevent electrical shock.
- Verify that the power supply voltage matches the pump's requirements.
5. Operating Instructions
5.1 Priming the Pump
Before initial startup or after the pump has been drained, it must be primed:
- Close the discharge valve.
- Open the priming plug (if available) or slowly fill the pump casing with the liquid to be pumped until it overflows.
- Replace the priming plug securely.
- Open the suction valve completely.
5.2 Starting the Pump
- Ensure the pump is properly primed.
- Slowly open the discharge valve a quarter turn.
- Switch on the power supply to start the pump.
- Gradually open the discharge valve to the desired flow rate while monitoring pressure and flow.
5.3 Stopping the Pump
- Slowly close the discharge valve.
- Switch off the power supply to the pump.
- Close the suction valve.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your pump. Always disconnect power before performing maintenance.
6.1 Daily Checks
- Check for unusual noises or vibrations.
- Inspect for any leaks around seals and connections.
- Verify proper flow and pressure.
6.2 Monthly Checks
- Clean any debris from the motor's cooling fins to ensure proper heat dissipation.
- Inspect electrical connections for tightness and corrosion.
6.3 Annual Maintenance
- Inspect the impeller for wear or damage.
- Check mechanical seals for wear and replace if necessary.
- Lubricate motor bearings if applicable (refer to motor specifications).
7. Troubleshooting
Before attempting any repairs, ensure the pump is disconnected from the power supply.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start | No power; tripped circuit breaker; faulty motor | Check power supply; reset breaker; consult electrician |
| Pump runs but no water flow | Pump not primed; air leak in suction line; clogged impeller; closed valves | Prime pump; check suction line for leaks; clean impeller; open valves |
| Low flow or pressure | Partially clogged impeller; air in system; worn impeller/seals; undersized piping | Clean impeller; bleed air; inspect/replace worn parts; consult plumbing expert |
| Excessive noise/vibration | Cavitation; loose mounting; worn bearings; foreign object in pump | Check suction conditions; tighten mounting; inspect bearings; clear pump |
8. Specifications
The following specifications are general. Refer to your specific pump model's nameplate for precise details.
| Attribute | Detail |
|---|---|
| Brand | ZHRCLY |
| Manufacturer | Original factory |
| Pump Type | Single-Stage Centrifugal |
| Material | Stainless Steel |
| Voltage (Model Dependent) | 220V (ABK50D, ABK100D), 380V (ABK50, ABK100, ABK120, ABK300) |
| Item Weight | Approximately 20 pounds (varies by model) |
| Product Dimensions | Approximately 1 x 1 x 1 inches (packaging dimensions, actual pump dimensions vary) |
9. Warranty and Support
Your ZHRCLY Leo Stainless Steel Single-Stage Centrifugal Pump is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to your purchase documentation for specific warranty terms and duration.
For technical assistance, troubleshooting, or warranty claims, please contact your authorized dealer or the manufacturer's customer service department. Ensure you have your pump model number and purchase date available when contacting support.
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