1. Product Overview
The Ebara AGC/I 1.50 T is a robust self-priming electric pump designed for a wide range of domestic and light industrial applications. Constructed from durable cast iron, it is ideal for tasks such as supplying drinking water, boosting pressure in home systems, small-scale garden irrigation, car washing, and the emptying or filling of various containers like fountains, pools, and tanks.
Key features include:
- Self-priming capability up to 8 meters depth.
- Efficient 3-phase motor (IE2 from 0.75 kW) with forced ventilation.
- Robust cast iron pump body and AISI 303 motor axle.
- Equipped with capacitor and thermal recirculation protection (single-phase models have built-in automatic protection).
- Designed for continuous operation with reliable performance.
Figure 1: Ebara AGC/I 1.50 T Self-Priming Electric Pump. This image shows the complete blue cast iron pump unit, featuring the pump housing on the left, connected to the electric motor on the right, with a black electrical connection box on top of the motor.
2. Safety Instructions
Always adhere to the following safety precautions to prevent injury and damage to the pump:
- Electrical Safety: Ensure the pump is connected to a properly grounded electrical outlet. Do not operate with damaged cords or plugs. Disconnect power before any maintenance or inspection.
- Water Temperature: Do not pump liquids exceeding 60°C (140°F). For household applications, the maximum fluid temperature is 35°C (95°F) as per EN 60335-2-41.
- Installation: Install the pump in a dry, well-ventilated area, protected from direct sunlight and freezing temperatures. Ensure stable mounting to prevent vibration.
- Pressure Limits: Do not exceed the maximum operating pressure of 10 bar (6 bar for AGA 0.60-0.75-1.00 models).
- Qualified Personnel: Installation and electrical connections should only be performed by qualified personnel in accordance with local regulations.
- Protection: The pump has IP44 protection, meaning it is protected against solid objects larger than 1mm and splashing water. It is not submersible.
3. Components and Features
The AGC/I 1.50 T pump consists of several key components:
- Pump Body: Made of cast iron, providing durability and resistance to wear.
- Motor Axle: Constructed from AISI 303 stainless steel, ensuring corrosion resistance in contact with liquid.
- Impeller/Drive: Tecnopolymer for models AGA 0.60-0.75-1.00, embossed brass for other models, designed for efficient fluid transfer.
- Mechanical Seal: Carbon, ceramic, NBR for reliable sealing and prevention of leaks.
- Electric Motor: Asynchronous 2-pole motor with forced ventilation, insulation class F, and IP44 protection. Available in single-phase (230 V ± 10% 50 Hz) and three-phase (230/400 V ± 10% 50 Hz) configurations.
- Inlet (DNA): 1 1/2 inch for this model (1 inch for AGA 0.60-0.75-1.00).
- Outlet (ID): 1 inch.
4. Setup and Installation
Proper installation is crucial for the pump's performance and longevity.
- Location: Choose a dry, well-ventilated, and frost-free location. The pump should be placed on a solid, level surface to minimize vibration.
- Mounting: Secure the pump firmly using appropriate bolts through the mounting holes on the base.
- Suction Line:
- Use a rigid, non-collapsible pipe for the suction line.
- Ensure the suction line is airtight to prevent air ingress, which can affect self-priming.
- Install a foot valve with a strainer at the end of the suction pipe in the water source to prevent debris and maintain prime.
- Keep the suction line as short and straight as possible, avoiding unnecessary bends.
- Discharge Line: Connect the discharge pipe to the pump's outlet. Install a check valve if backflow is a concern, and a gate valve for flow control.
- Electrical Connection:
- Verify that the power supply voltage and frequency match the pump's specifications (230 V ± 10% 50 Hz for single-phase, 230/400 V ± 10% 50 Hz for three-phase).
- Ensure proper grounding.
- Install appropriate circuit breakers or fuses for overload protection.
- Priming (Initial Start-up):
- Before the first start-up, fill the pump casing completely with water through the priming port until it overflows.
- Close the priming port securely.
- The pump is self-priming, but this initial fill assists in faster operation.
5. Operating Instructions
Follow these steps for safe and efficient operation:
- Pre-Operation Check:
- Ensure all connections are tight and leak-free.
- Confirm the pump casing is filled with water (for initial start or after prolonged disuse).
- Check that the suction line is submerged in the water source.
- Starting the Pump:
- Open any valves on the discharge side.
- Switch on the power supply to the pump.
- The pump will begin to draw water and self-prime. This may take a few moments.
- Monitoring Operation:
- Listen for unusual noises or excessive vibration.
- Check for leaks around connections.
- Ensure consistent water flow.
- Stopping the Pump:
- Close any valves on the discharge side if necessary.
- Switch off the power supply to the pump.
- Dry Running: Never allow the pump to run dry. This can cause severe damage to the mechanical seal and other components.
6. Maintenance
Regular maintenance ensures optimal performance and extends the pump's lifespan.
- Regular Checks: Periodically inspect the pump for any signs of leaks, corrosion, or unusual wear.
- Clean Strainer: If a foot valve with a strainer is used, regularly clean the strainer to prevent blockages and maintain flow.
- Winterization: In areas prone to freezing temperatures, drain the pump completely to prevent damage from ice expansion. Disconnect pipes and open drain plugs.
- Motor Ventilation: Ensure the motor's ventilation fins are clean and free from obstructions to prevent overheating.
- Professional Service: For internal component issues or complex repairs, contact a qualified service technician.
7. Troubleshooting
Refer to the table below for common issues and their potential solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start | No power; tripped circuit breaker; motor fault. | Check power supply; reset breaker; consult technician. |
| Pump runs but no water/low flow | Loss of prime; air leak in suction line; clogged strainer/foot valve; insufficient water source. | Re-prime pump; check suction line for leaks; clean strainer; ensure adequate water supply. |
| Pump is noisy/vibrates excessively | Air in pump/suction line; cavitation; loose mounting; worn bearings. | Bleed air; check for restricted flow; tighten mounting bolts; consult technician for bearings. |
| Pump leaks | Loose connections; damaged mechanical seal. | Tighten fittings; replace mechanical seal (professional service recommended). |
| Motor overheats | Insufficient ventilation; prolonged dry running; motor overload. | Ensure clear ventilation; avoid dry running; check for blockages or excessive load. |
8. Technical Specifications
| Specification | Value |
|---|---|
| Model | AGC/I 1.50 T |
| Part Number | 1120150004I |
| Manufacturer | Ebara |
| Power (kW) | 1.1 kW |
| Horsepower (HP) | 1.5 HP |
| Material | Cast Iron (Pump Body) |
| Motor Axle Material | AISI 303 |
| Mechanical Seal | Carbon, Ceramic, NBR |
| Insulation Class | F |
| Protection Class | IP44 |
| Voltage (Single-phase) | 230 V ± 10% 50 Hz |
| Voltage (Three-phase) | 230/400 V ± 10% 50 Hz |
| Max. Operating Pressure | 10 bar |
| Max. Fluid Temperature (Household) | 35°C (EN 60335-2-41) |
| Max. Fluid Temperature (Other applications) | 60°C |
| Self-priming Depth | Up to 8m |
| Suction Connection (DNA) | 1 1/2 inch |
| Discharge Connection (ID) | 1 inch |
| Product Dimensions | 20 x 30 x 20 cm |
| Item Weight | 28.3 kg |
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your authorized Ebara dealer or visit the official Ebara website. Keep your purchase receipt as proof of purchase for warranty claims.
Ebara is a world market leader in machinery and fluid manipulation systems, ensuring high-quality products and support.
